Preface |
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xix | |
Acknowledgments |
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xxi | |
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1 | (16) |
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1.1 Introduction to Imaging |
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2 | (1) |
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1.2 Infrared and EO Systems |
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3 | (1) |
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1.3 Wavelength Dependencies |
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4 | (2) |
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6 | (1) |
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1.5 Typical Infrared Scenario |
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7 | (2) |
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1.6 Analytical Parameters |
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9 | (1) |
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1.7 Sensitivity and Resolution |
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10 | (1) |
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1.8 Linear Systems Approach |
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11 | (1) |
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12 | (1) |
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1.10 Guide to the References |
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13 | (4) |
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14 | (3) |
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17 | (32) |
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17 | (2) |
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2.2 Common One-Dimensional Functions |
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19 | (3) |
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22 | (2) |
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2.4 Convolution and Correlation |
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24 | (5) |
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2.5 The Fourier Transform |
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29 | (2) |
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2.6 Fourier Transform Properties |
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31 | (2) |
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2.7 Transform Pairs and Delta Function Properties |
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33 | (1) |
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33 | (7) |
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40 | (4) |
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41 | (1) |
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41 | (1) |
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42 | (1) |
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42 | (1) |
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42 | (2) |
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2.10 Guide to the References |
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44 | (5) |
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45 | (2) |
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47 | (1) |
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48 | (1) |
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48 | (1) |
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Chapter 3 Linear Shift-Invariant Systems |
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49 | (28) |
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51 | (1) |
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52 | (1) |
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3.3 Basics of LSI Systems |
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52 | (2) |
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54 | (6) |
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60 | (2) |
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3.6 System PSF and MTF Versus Component PSF and MTF |
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62 | (2) |
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64 | (2) |
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3.8 Spatial Sampling and Resolution |
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66 | (2) |
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3.9 Sampled Imaging Systems |
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68 | (5) |
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3.10 Guide to the References |
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73 | (4) |
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73 | (2) |
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75 | (1) |
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76 | (1) |
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77 | (48) |
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4.1 Electromagnetic Waves |
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78 | (3) |
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81 | (6) |
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84 | (3) |
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4.3 Fresnel and Fraunhofer Diffraction from an Aperture |
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87 | (4) |
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4.3.1 Fresnel Diffraction |
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88 | (1) |
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4.3.2 Fraunhofer Diffraction |
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89 | (1) |
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90 | (1) |
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4.4 Fraunhofer Diffraction from a Thin Lens |
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91 | (2) |
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4.5 Thin Lens Optical System Diffraction PSF |
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93 | (3) |
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4.6 Thin Lens Diffraction MTF |
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96 | (5) |
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96 | (2) |
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4.6.2 Incoherent Diffraction MTF |
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98 | (2) |
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4.6.3 Coherent Diffraction MTF |
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100 | (1) |
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4.7 Calculation of Diffraction MTF |
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101 | (1) |
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4.7.1 Circular Pupil: Coherent MTF |
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101 | (1) |
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4.7.2 Circular Pupil: Incoherent MTF |
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101 | (1) |
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4.8 Programs for Calculating Incoherent Diffraction MTF |
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102 | (11) |
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107 | (1) |
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108 | (3) |
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111 | (1) |
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112 | (1) |
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4.9 Applications of Diffraction Theory |
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113 | (4) |
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4.9.1 Frequency Analysis of Optical Systems |
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113 | (1) |
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4.9.2 Application to Geometric Optics |
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113 | (1) |
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4.9.3 PSF of Distributed Aperture |
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113 | (1) |
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4.9.4 Optical Image Processing |
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114 | (1) |
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4.9.5 Stellar Interferometry |
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114 | (1) |
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114 | (1) |
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4.9.7 Detector MTF from the Fraunhofer Diffraction Pattern |
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115 | (1) |
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116 | (1) |
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4.10 Light Goes Around Corners: The Poisson Spot |
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117 | (8) |
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119 | (3) |
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122 | (3) |
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Chapter 5 Sources of Radiation |
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125 | (48) |
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5.1 Radiometry and Photometry |
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126 | (8) |
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128 | (3) |
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131 | (1) |
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131 | (1) |
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131 | (1) |
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132 | (2) |
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5.2 Infrared Targets and Backgrounds |
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134 | (11) |
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5.2.1 Blackbody Radiation |
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134 | (2) |
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136 | (1) |
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136 | (2) |
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138 | (2) |
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5.2.3 Equivalent Differential Temperature (Delta T) |
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140 | (2) |
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5.2.4 Apparent Differential Temperature (Apparent Delta T) |
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142 | (3) |
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5.3 EO Targets and Backgrounds |
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145 | (6) |
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145 | (4) |
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149 | (1) |
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150 | (1) |
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5.4 Other Sensitivity Considerations |
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151 | (2) |
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5.4.1 Bidirectional Reflectance Distribution Function |
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151 | (1) |
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5.4.2 Color Considerations |
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152 | (1) |
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5.5 Target and Background Spatial Characteristics |
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153 | (9) |
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5.5.1 Bar Target Representation of Targets |
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154 | (2) |
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5.5.2 Target Delta T and Characteristic Dimension |
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156 | (1) |
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5.5.3 Summary of Target Characteristics |
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157 | (3) |
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160 | (1) |
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5.5.5 Simulation of Target Characteristics |
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161 | (1) |
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5.6 Typical Mid-Wave and Long-Wave Contrasts and Solar Effects |
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162 | (11) |
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169 | (2) |
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Design Study Exercise (with Background) |
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171 | (1) |
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171 | (1) |
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172 | (1) |
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173 | (28) |
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6.1 Atmospheric Components and Structure |
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174 | (2) |
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6.2 Atmospheric Transmission |
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176 | (2) |
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178 | (3) |
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181 | (2) |
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183 | (1) |
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184 | (3) |
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6.7 Atmospheric Modulation Transfer Function |
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187 | (2) |
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189 | (3) |
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6.9 Model Background Discussion |
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192 | (2) |
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6.10 Some Practical Considerations |
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194 | (7) |
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197 | (1) |
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Design Study Exercise (Continued) |
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198 | (1) |
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199 | (2) |
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201 | (76) |
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7.1 Light Representation and the Optical Path Length |
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202 | (1) |
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7.2 Reflection and Snell's Law of Refraction |
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203 | (2) |
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7.3 The Thin Lens Ray-Tracing Rules and Gauss's Equation |
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205 | (11) |
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216 | (1) |
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7.5 Modeling the Thick Lens |
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217 | (4) |
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221 | (4) |
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222 | (1) |
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222 | (2) |
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224 | (1) |
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7.7 Multiple-Lens Systems |
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225 | (1) |
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226 | (4) |
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230 | (3) |
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7.10 Aperture Stop, Pupils, and Rays |
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233 | (4) |
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7.11 Number and Numerical Aperture |
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237 | (10) |
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7.12 Telescopes and Angular Magnification |
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247 | (10) |
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257 | (5) |
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260 | (2) |
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262 | (2) |
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264 | (1) |
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7.16 Cold Stop and Cold Shield |
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265 | (1) |
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7.17 A Typical Optical System |
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265 | (3) |
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268 | (9) |
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271 | (3) |
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Design Study Exercise (Continued) |
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274 | (1) |
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275 | (1) |
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275 | (2) |
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277 | (66) |
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278 | (10) |
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279 | (1) |
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280 | (1) |
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281 | (1) |
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282 | (2) |
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284 | (1) |
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285 | (1) |
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285 | (2) |
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287 | (1) |
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8.1.7 Pyroelectric Detectors |
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287 | (1) |
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288 | (5) |
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289 | (1) |
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8.2.2 Multiplexed Analog Readout |
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289 | (3) |
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8.2.3 Column ADC ROIC or D-ROIC |
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292 | (1) |
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8.3 Detector Sensitivity Analysis |
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293 | (22) |
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293 | (4) |
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297 | (2) |
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299 | (1) |
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299 | (6) |
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305 | (2) |
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8.3.4 Detector Angular Subtense |
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307 | (1) |
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307 | (1) |
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8.3.5 FPA and Detector Noise (Including Detector 1/f Noise) |
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308 | (1) |
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8.3.6 Dark Current and Rule '07 |
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308 | (1) |
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309 | (2) |
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311 | (1) |
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8.3.9 FPA and ROIC Noise (Including Fixed Pattern Noise) in Staring Systems |
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311 | (2) |
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313 | (2) |
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8.4 EO Systems: Staring and Scanning Configurations |
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315 | (5) |
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8.4.1 Raster Scan Systems |
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316 | (1) |
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8.4.2 Linear Scan and TDI |
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317 | (2) |
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8.4.3 Staring Systems: Focal Plane Arrays |
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319 | (1) |
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8.5 Detector Transfer Functions |
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320 | (5) |
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324 | (1) |
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8.6 EO Detectors: Materials and Technology |
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325 | (6) |
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8.6.1 MWIR and LWIR Photon Detectors |
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326 | (2) |
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8.6.2 Far Infrared: VLWIR |
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328 | (1) |
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328 | (1) |
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329 | (2) |
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8.7 New and Emerging Infrared Detector Technology |
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331 | (12) |
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8.7.1 Ultra-Large-Format Arrays and Small Pitch |
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331 | (1) |
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8.7.2 Dual-Band Detectors (Third Generation) |
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332 | (1) |
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8.7.3 Direct Bond Hybridization |
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333 | (1) |
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8.7.4 Advanced ROIC Technology and Digital Pixel |
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334 | (2) |
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8.7.5 Next Generation Imagers |
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336 | (1) |
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8.7.6 Avalanche Photodiodes, Laser Range Gating, and Active and Passive Detectors |
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336 | (2) |
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338 | (1) |
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Design Study Exercise (Continued) |
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339 | (1) |
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340 | (3) |
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343 | (28) |
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343 | (5) |
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345 | (3) |
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9.2 Conversion of Spatial and Temporal Frequencies |
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348 | (2) |
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349 | (1) |
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9.3 Electronics Transfer Function |
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350 | (2) |
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352 | (6) |
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353 | (1) |
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353 | (1) |
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354 | (1) |
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355 | (1) |
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355 | (3) |
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358 | (1) |
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358 | (2) |
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360 | (1) |
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9.8 Uniformity Correction or NUC |
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361 | (3) |
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9.9 Design and Construction of Camera Electronics |
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364 | (7) |
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367 | (2) |
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Design Study Exercise (Continued) |
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369 | (1) |
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370 | (1) |
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Chapter 10 Image Processing |
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371 | (28) |
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10.1 Basics of Sampling Theory |
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371 | (3) |
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10.2 Applications of Image Filtering |
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374 | (3) |
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10.2.1 Localized Contrast Enhancement |
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374 | (2) |
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376 | (1) |
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10.2.3 Sensor Design Considerations |
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377 | (1) |
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10.3 Super-Resolution Image Reconstruction |
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377 | (8) |
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10.3.1 Image Acquisition: Microdither Scanner Versus Natural Jitter |
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379 | (1) |
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10.3.2 Subpixel Shift Estimation |
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379 | (2) |
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10.3.3 Image Reconstruction |
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381 | (1) |
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10.3.4 Example and Performance Estimates |
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382 | (3) |
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385 | (4) |
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385 | (4) |
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389 | (3) |
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392 | (2) |
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393 | (1) |
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10.6.2 Contrast Enhancement |
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393 | (1) |
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393 | (1) |
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394 | (1) |
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394 | (5) |
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394 | (5) |
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Chapter 11 Displays, Human Perception, and Automatic Target Recognizers |
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399 | (20) |
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400 | (1) |
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401 | (1) |
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401 | (3) |
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403 | (1) |
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11.2.1 CRT Example Results |
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403 | (1) |
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404 | (2) |
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406 | (1) |
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407 | (1) |
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11.6 Emerging Display Technologies |
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407 | (1) |
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11.7 Sampling and Display Processing |
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408 | (2) |
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11.8 Human Perception and the Human Eye |
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410 | (2) |
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412 | (1) |
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413 | (1) |
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413 | (1) |
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11.11 Automatic Target Recognition |
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414 | (5) |
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416 | (1) |
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417 | (2) |
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Chapter 12 Historical Performance Models |
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419 | (22) |
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419 | (1) |
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12.2 Johnson Model Fundamentals |
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420 | (2) |
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422 | (2) |
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12.4 The First FLIRS and Models |
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424 | (3) |
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12.5 Model Improvements for Resolution and Noise |
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427 | (3) |
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12.6 Incorporating Eye Contrast Limitations |
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430 | (2) |
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12.7 Model Improvement to Add Sampling |
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432 | (3) |
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12.8 Other Improvements Prior to the TTP Metric |
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435 | (1) |
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436 | (1) |
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12.10 Triangle Orientation Discrimination (TOD) |
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437 | (1) |
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12.11 Imager Modeling, Measurement, and Field Performance |
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438 | (3) |
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439 | (1) |
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439 | (2) |
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Chapter 13 Contrast Threshold and TTP Metric |
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441 | (42) |
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13.1 CTF of the Naked Eye |
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441 | (4) |
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13.2 CTF for the Eye-Display System |
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445 | (9) |
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13.3 Validation of Eye-Display CTF |
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454 | (11) |
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13.4 Eye-Display Contrast Threshold Model |
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465 | (6) |
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13.4.1 Eye-Display Contrast Threshold Model |
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467 | (1) |
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467 | (2) |
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13.4.3 Define Input Parameters |
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469 | (1) |
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470 | (1) |
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13.4.5 Comparison with Existing Models |
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471 | (1) |
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13.5 TTP Metric and Range Performance Modeling |
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471 | (5) |
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13.6 Guide to the References |
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476 | (7) |
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476 | (2) |
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478 | (1) |
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479 | (1) |
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13A.1 Direct Calculation of CTFeye--disp,h |
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479 | (4) |
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Chapter 14 EO and Infrared System Performance and Target Acquisition |
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483 | (72) |
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14.1 Sensitivity and Resolution |
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486 | (1) |
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487 | (6) |
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Example 14.1 Scanning System |
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492 | (1) |
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Example 14.2 Staring System |
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493 | (1) |
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14.3 EO Noise and Noise Equivalent Irradiance |
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493 | (3) |
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14.3.1 Noise Equivalent Irradiance |
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495 | (1) |
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496 | (2) |
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498 | (3) |
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14.6 MRTD (Including 2-D MRT) |
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501 | (10) |
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Example 14.3 Second-Generation FLIR |
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505 | (5) |
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510 | (1) |
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14.7 Target Acquisition with Limiting Frequency (Johnson's N50) |
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511 | (5) |
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516 | (6) |
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519 | (3) |
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14.9 Target Acquisition with the Target Task Performance (TTP) Metric (and Vollmerhausen's V50) |
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522 | (1) |
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523 | (2) |
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14.11 Classic ISR, NIIRS, and General Image Quality |
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525 | (5) |
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526 | (1) |
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526 | (3) |
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529 | (1) |
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14.12 The Performance Benefits of Dual-Band Infrared Imagers |
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530 | (12) |
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14.12.1 Dual-Band Imagers |
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530 | (1) |
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14.12.2 Long-Range Target Detection and Identification |
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531 | (2) |
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14.12.3 Imaging with Hot Targets in the FOV |
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533 | (1) |
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14.12.4 Cold-Weather Performance |
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534 | (1) |
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14.12.5 Imaging Through Turbulence |
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535 | (1) |
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14.12.6 Imaging Through Fog-Oil Smoke |
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536 | (1) |
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14.12.7 Target Contrast (Up Close) |
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536 | (1) |
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537 | (1) |
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14.12.9 Motion Blur and Integration Time |
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537 | (2) |
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14.12.10 Target Spectral Exploitation |
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539 | (1) |
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14.12.11 Signal and Image Processing: Boost, Local Area Contrast Enhancement |
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539 | (1) |
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14.12.12 Imaging Through Fog, High Humidity, Rain, Haze, Smoke, and Dust |
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540 | (1) |
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541 | (1) |
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14.13 Small Detector Infrared Systems |
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542 | (8) |
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14.13.1 Small Detector Infrared System Fundamentals |
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543 | (2) |
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14.13.2 Choosing Detector Array Dimensions for SPHD Sensors |
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545 | (1) |
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14.13.3 Practical Benefits of LWIR SPHD Sensors |
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546 | (1) |
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14.13.4 MWIR SPHD Sensors |
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546 | (2) |
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14.13.5 MWIR SPFF Sensors |
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548 | (2) |
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14.13.6 LWIR SPFF Sensors |
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550 | (1) |
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550 | (1) |
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14.14 Persistent Surveillance |
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550 | (5) |
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552 | (1) |
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552 | (3) |
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Chapter 15 Simplified Target Acquisition Model |
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555 | (14) |
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15.1 Introduction to the Simple Model |
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555 | (2) |
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557 | (2) |
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15.3 Simple Model Based on FX/d |
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559 | (2) |
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561 | (1) |
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561 | (3) |
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15.6 Probability as a Function of Range |
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564 | (2) |
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15.7 Characteristic Dimension and V50 |
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566 | (1) |
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566 | (3) |
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567 | (1) |
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568 | (1) |
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569 | (10) |
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16.1 Introduction to Pilotage |
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569 | (2) |
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16.2 TTP with Scene Contrast |
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571 | (1) |
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16.3 Vollmerhausen and Bui |
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572 | (3) |
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16.4 Scene Contrast Temperature |
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575 | (1) |
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575 | (2) |
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577 | (2) |
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577 | (1) |
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577 | (1) |
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578 | (1) |
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Chapter 17 Infrared Search and Track |
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579 | (30) |
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17.1 Introduction to IRST |
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579 | (1) |
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580 | (2) |
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582 | (2) |
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|
584 | (3) |
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17.5 Noise and Integration Time |
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|
587 | (2) |
|
|
589 | (3) |
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|
592 | (4) |
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|
592 | (1) |
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17.7.2 Differential Radiance or Intensity |
|
|
593 | (1) |
|
17.7.3 High-Speed Targets |
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|
594 | (1) |
|
17.7.4 Broadband Intensity Models/Measurements |
|
|
594 | (2) |
|
17.8 Atmospheric Background and Path Radiance |
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|
596 | (2) |
|
|
598 | (1) |
|
|
599 | (1) |
|
17.11 Optimization of System Performance |
|
|
600 | (3) |
|
17.12 Scanned Versus Staring Systems |
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|
603 | (2) |
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|
605 | (1) |
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|
606 | (3) |
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|
607 | (2) |
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|
609 | (54) |
|
|
610 | (1) |
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18.2 Introduction to Search Theory |
|
|
611 | (5) |
|
18.3 Technique for Estimating Search Parameters and Their Uncertainties |
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|
616 | (4) |
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|
616 | (4) |
|
18.4 Search Parameters and NVIPM |
|
|
620 | (4) |
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|
624 | (4) |
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|
628 | (3) |
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18.7 Multiple Observers, Single Sensor, Unlimited Time, and Shared Knowledge |
|
|
631 | (4) |
|
18.8 Independent Search with Two Sensors, Unlimited Time, and Shared Knowledge |
|
|
635 | (1) |
|
18.9 Time-Dependent Search Parameters Search Model |
|
|
636 | (10) |
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|
646 | (2) |
|
18.10.1 Neoclassical Search Model |
|
|
646 | (2) |
|
18.11 Guide to References |
|
|
648 | (15) |
|
|
648 | (1) |
|
|
649 | (1) |
|
|
650 | (1) |
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Appendix 18A Time-Unlimited FOR Search |
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|
651 | (3) |
|
Appendix 18B Detection Time and Probabilities with Shared Information |
|
|
654 | (1) |
|
18B.1 Useful Mathematical Result |
|
|
654 | (1) |
|
18B.2 The Mean Time for the First Observer to Detect a Target Given in Observers and P∞ |
|
|
655 | (1) |
|
18B.3 The Mean Time to Detect a Target with Two Observers Using Two Sensors |
|
|
656 | (3) |
|
18B.4 PDF for Detection Time with Two Observers Using Two Sensors |
|
|
659 | (1) |
|
Appendix 18C Mathematica Search Code for TDSP Search Model |
|
|
660 | (3) |
|
Chapter 19 Laboratory Measurements of Infrared Imaging System Performance |
|
|
663 | (24) |
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|
663 | (4) |
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|
667 | (3) |
|
19.3 Human Performance: MRTD |
|
|
670 | (1) |
|
|
671 | (2) |
|
19.5 Image Temporal Response and Stability/Drift |
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|
673 | (2) |
|
19.6 Operability Considerations |
|
|
675 | (1) |
|
19.7 EO Test Instrumentation |
|
|
676 | (1) |
|
19.8 Environmental Testing |
|
|
677 | (10) |
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|
679 | (2) |
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|
681 | (2) |
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|
683 | (4) |
About the Authors |
|
687 | (4) |
Index |
|
691 | |