Preface |
|
vii | |
About the Editor |
|
ix | |
Contributors |
|
xi | |
|
Chapter 1 The Future of Medical Imaging: Understanding Our True Limitations |
|
|
1 | (20) |
|
|
|
|
1 | (1) |
|
|
2 | (2) |
|
|
2 | (2) |
|
1.3 Making Health Care More Personal |
|
|
4 | (5) |
|
1.3.1 Advances in Digital and Medical Imaging |
|
|
4 | (2) |
|
1.3.2 How Telecommunications Complements Medical Imaging |
|
|
6 | (2) |
|
1.3.3 Automated Monitoring |
|
|
8 | (1) |
|
1.4 The Future of Technology |
|
|
9 | (10) |
|
1.4.1 Remembering Our Focus |
|
|
10 | (1) |
|
1.4.2 What We Can Expect from Technology |
|
|
10 | (1) |
|
|
11 | (1) |
|
|
12 | (1) |
|
1.4.5 Multiprocessor Complexity |
|
|
13 | (1) |
|
1.4.5.1 Multiprocessing Elements |
|
|
13 | (2) |
|
|
15 | (1) |
|
1.4.6.1 Lower Power into the Future |
|
|
15 | (2) |
|
1.4.6.2 Perpetual Devices |
|
|
17 | (1) |
|
1.4.7 Intergration through SoC and SiP |
|
|
17 | (2) |
|
|
19 | (1) |
|
|
20 | (1) |
|
Chapter 2 Detector Front-End Systems in X-Ray CT: From Current-Mode Readout to Photon Counting |
|
|
21 | (30) |
|
|
|
|
21 | (2) |
|
|
23 | (2) |
|
|
25 | (16) |
|
|
25 | (3) |
|
|
28 | (4) |
|
2.3.3 Monolithic Integration of CMOS Photodiode and Readout Electronics |
|
|
32 | (7) |
|
2.3.4 Realization of an In-Pixel Sigma-Delta Modulator |
|
|
39 | (2) |
|
2.4 Counting-Mode CT Detectors |
|
|
41 | (6) |
|
|
47 | (1) |
|
|
47 | (1) |
|
|
48 | (3) |
|
Chapter 3 Photon-Counting Energy-Dispersive Detector Arrays for X-Ray Imaging |
|
|
51 | (38) |
|
|
|
|
|
|
|
|
51 | (2) |
|
3.2 Conventional X-ray Computed Tomography Detectors |
|
|
53 | (2) |
|
3.3 Lower Dose in CT with Photon-Counting Detectors |
|
|
55 | (1) |
|
3.4 Energy Information in CT with Photon-Counting Detectors |
|
|
56 | (2) |
|
3.5 Photon-Counting X-ray Detectors in Medical Imaging |
|
|
58 | (1) |
|
3.6 Direct-Conversion X-ray Detectors |
|
|
59 | (2) |
|
3.7 Cadmium Telluride and Cadmium Zinc Telluride Detectors |
|
|
61 | (1) |
|
3.8 Photon-Counting Cadmium Telluride Detector Design and Fabrication for CT |
|
|
62 | (2) |
|
3.9 Photon-Counting CdTe Detector Characteristics |
|
|
64 | (4) |
|
3.9.1 CdTe Detector Dark-Current Measurements |
|
|
65 | (1) |
|
3.9.2 Fast Photon Counting with CdTe and Discrete Electronics |
|
|
66 | (2) |
|
3.10 Photon-Counting ASIC Architecture for CT |
|
|
68 | (4) |
|
3.11 Photon-Counting CT Module Characteristics |
|
|
72 | (1) |
|
3.12 Prototype Clinical Photon-Counting CT System |
|
|
72 | (4) |
|
3.13 Future Work: Detector Arrays with Parallel Drift Structures |
|
|
76 | (4) |
|
3.14 X-ray Photon Counting with Silicon Photomultipliers |
|
|
80 | (2) |
|
3.14.1 Fast Scintillators for Use with Silicon Photomultipliers (SiPMs) |
|
|
81 | (1) |
|
3.14.2 Experimental Results with Silicon Photomultipliers (SiPMs) |
|
|
82 | (1) |
|
|
82 | (2) |
|
|
84 | (1) |
|
|
85 | (4) |
|
Chapter 4 Planar and PET Systems for Drug Development |
|
|
89 | (28) |
|
|
|
|
90 | (1) |
|
|
91 | (12) |
|
|
91 | (1) |
|
4.2.2 System Construction and Data Processing |
|
|
92 | (1) |
|
|
92 | (1) |
|
|
93 | (2) |
|
|
95 | (1) |
|
4.2.2.4 Data Processing and Image Reconstruction |
|
|
95 | (1) |
|
|
96 | (1) |
|
4.2.3.1 Spatial Resolution |
|
|
96 | (2) |
|
4.2.3.2 Sensitivity and Uniformity |
|
|
98 | (1) |
|
4.2.3.3 Count-Rate Performance |
|
|
99 | (1) |
|
4.2.4 Planar Imaging Applicability |
|
|
99 | (3) |
|
|
102 | (1) |
|
4.3 Small-Animal PET Scanner |
|
|
103 | (11) |
|
|
103 | (1) |
|
4.3.2 System Construction and Data Processing |
|
|
103 | (1) |
|
|
103 | (2) |
|
4.3.2.2 Detector Ring Structure and Gantry |
|
|
105 | (1) |
|
|
106 | (2) |
|
4.3.2.4 Data Processing and Image Reconstruction |
|
|
108 | (1) |
|
4.3.3 Performance Evaluation |
|
|
108 | (1) |
|
4.3.3.1 Detector-Pair Resolution |
|
|
108 | (1) |
|
4.3.3.2 Spatial Resolution of the System |
|
|
109 | (1) |
|
|
110 | (1) |
|
4.3.3.4 Scatter Fraction and Noise-Equivalent Count Rate |
|
|
110 | (1) |
|
4.3.3.5 In Vivo Imaging Studies of Animals |
|
|
111 | (1) |
|
|
111 | (3) |
|
|
114 | (1) |
|
|
114 | (3) |
|
Chapter 5 PET Front-End Electronics |
|
|
117 | (34) |
|
|
|
|
117 | (1) |
|
|
118 | (18) |
|
5.2.1 Equivalent Models of Detectors |
|
|
118 | (1) |
|
5.2.1.1 Photomultiplier Tube Detector Equivalent Circuit |
|
|
119 | (2) |
|
5.2.1.2 Silicon Photomultiplier Detector Equivalent Circuit |
|
|
121 | (1) |
|
5.2.1.3 Direct Detector Equivalent Circuit |
|
|
122 | (2) |
|
5.2.2 Effect of Signal Characteristics on Preamplifier Selection |
|
|
124 | (1) |
|
5.2.2.1 Event-Oriented Preamplifiers |
|
|
124 | (3) |
|
5.2.2.2 Integrating Amplifiers |
|
|
127 | (2) |
|
|
129 | (1) |
|
5.2.3.1 Equivalent-Noise Charge Calculation |
|
|
130 | (6) |
|
5.3 Introduction to Charge-Division Circuits |
|
|
136 | (1) |
|
5.4 Implementation of Charge-Division Circuits |
|
|
136 | (7) |
|
5.5 Systematic and Statistical Errors |
|
|
143 | (3) |
|
|
146 | (5) |
|
Chapter 6 Design Considerations for Positron Emission Tomography (PET) Scanners Dedicated to Small-Animal Imaging |
|
|
151 | (28) |
|
|
|
151 | (1) |
|
6.2 Physics of PET Scanners |
|
|
152 | (5) |
|
6.3 Trade-offs in Scanner Designs |
|
|
157 | (4) |
|
6.4 Typical Electronics Chain for PET |
|
|
161 | (13) |
|
|
163 | (2) |
|
6.4.2 Common Detectors in PET |
|
|
165 | (1) |
|
6.4.2.1 The Photomultiplier Tube and Its Amplification Stage |
|
|
165 | (2) |
|
6.4.2.2 Avalanche Photodiode-Based Detectors and Their Amplification Stage |
|
|
167 | (1) |
|
6.4.2.3 Noise Issues for APD-Based Detectors |
|
|
167 | (4) |
|
6.4.2.4 Silicon Photomultipliers (SiPMs) |
|
|
171 | (1) |
|
6.4.2.5 Baseline Restoration and Holding |
|
|
172 | (1) |
|
6.4.2.6 Energy and Timing Measurement |
|
|
173 | (1) |
|
|
174 | (1) |
|
|
174 | (1) |
|
|
175 | (4) |
|
Chapter 7 Geiger-Mode Avalanche Photodiodes for PET/MRI |
|
|
179 | (22) |
|
|
|
|
180 | (1) |
|
7.2 Introduction to PET/MRI |
|
|
181 | (3) |
|
|
181 | (1) |
|
|
181 | (1) |
|
|
182 | (1) |
|
|
182 | (1) |
|
|
183 | (1) |
|
7.3 Other Photodetectors Used in PET/MRI Units |
|
|
184 | (6) |
|
7.3.1 The Photomultiplier Tube |
|
|
184 | (1) |
|
7.3.1.1 Structure and Principles |
|
|
184 | (1) |
|
7.3.1.2 Integration of Separate Scanners |
|
|
184 | (2) |
|
7.3.1.3 Approaches Using Optical Fibers |
|
|
186 | (1) |
|
7.3.2 Avalanche Photodiode |
|
|
187 | (1) |
|
7.3.2.1 Structure and Principles |
|
|
187 | (1) |
|
|
188 | (1) |
|
7.3.2.3 Position-Sensitive APDs |
|
|
189 | (1) |
|
|
190 | (2) |
|
7.4.1 Structure and Principles |
|
|
190 | (1) |
|
7.4.2 Basic Characteristics of G-APDs |
|
|
190 | (1) |
|
7.4.2.1 Bias Voltage and Gain |
|
|
191 | (1) |
|
7.4.2.2 Energy and Timing Resolutions |
|
|
192 | (1) |
|
|
192 | (1) |
|
7.5 MR-Compatible G-APD PET Detectors |
|
|
192 | (5) |
|
7.5.1 Approaches Used at Seoul National University |
|
|
192 | (2) |
|
|
194 | (2) |
|
|
196 | (1) |
|
|
197 | (1) |
|
|
198 | (3) |
|
Chapter 8 Current-Mode Front-End Electronics for Silicon Photomultipliers |
|
|
201 | (20) |
|
|
|
|
|
201 | (4) |
|
|
205 | (5) |
|
8.3 Current-Mode Front-End Approach |
|
|
210 | (7) |
|
8.4 Example of Multichannel Architecture |
|
|
217 | (2) |
|
|
219 | (1) |
|
|
219 | (2) |
|
Chapter 9 Integrated Charge-Measuring Systems for Radiation Detectors in CMOS Technologies |
|
|
221 | (28) |
|
|
|
221 | (2) |
|
9.2 Specifying a Charge-Measuring Integrated Circuit |
|
|
223 | (6) |
|
|
224 | (1) |
|
9.2.2 Sensor Dark Current |
|
|
225 | (2) |
|
|
227 | (1) |
|
9.2.4 Dynamic Range and Linearity |
|
|
227 | (1) |
|
9.2.5 Event Rate and Efficiency |
|
|
228 | (1) |
|
|
229 | (1) |
|
9.3 Architectures for Integrated Charge-Measuring Systems |
|
|
229 | (13) |
|
9.3.1 Full-Flash Architectures |
|
|
229 | (4) |
|
9.3.2 Architectures Based on Analog Memories |
|
|
233 | (7) |
|
9.3.3 Peak Detectors and Hold |
|
|
240 | (2) |
|
9.3.4 Full-Flash versus Analog Derandomization: Some Remarks |
|
|
242 | (1) |
|
9.4 Practical Design Aspects in Integrated Front-End Systems |
|
|
242 | (5) |
|
9.4.1 Minimizing Digital Noise |
|
|
242 | (4) |
|
|
246 | (1) |
|
|
247 | (2) |
|
Chapter 10 Current-and Charge-Sensitive Signal Conditioning for Position Determination |
|
|
249 | (36) |
|
|
|
250 | (1) |
|
|
250 | (15) |
|
|
252 | (1) |
|
10.2.1.1 Charge-Sensitive Amplifier |
|
|
252 | (1) |
|
10.2.1.2 Current-Sensitive Amplifier |
|
|
253 | (1) |
|
10.2.1.3 Comparison of CSA and ISA |
|
|
254 | (2) |
|
10.2.1.4 Real Preamplifier |
|
|
256 | (3) |
|
|
259 | (1) |
|
10.2.2.1 Gaussian Delay-Time Approximation |
|
|
259 | (3) |
|
|
262 | (1) |
|
|
263 | (2) |
|
10.3 Design Specifications |
|
|
265 | (7) |
|
|
265 | (1) |
|
|
265 | (1) |
|
|
266 | (1) |
|
10.3.3.1 Signal Linearity |
|
|
266 | (1) |
|
10.3.3.2 Position Linearity |
|
|
267 | (2) |
|
10.3.4 Equivalent Noise Charge |
|
|
269 | (1) |
|
10.3.5 Signal-to-Noise Ratio |
|
|
270 | (1) |
|
10.3.6 Position Resolution |
|
|
270 | (1) |
|
|
271 | (1) |
|
|
272 | (10) |
|
10.4.1 Operational Amplifier Noise Modeling |
|
|
272 | (2) |
|
|
274 | (3) |
|
|
277 | (2) |
|
|
279 | (3) |
|
|
282 | (1) |
|
|
283 | (1) |
|
|
283 | (2) |
|
Chapter 11 Analog-to-Digital Converters for Radiation Detection Electronics |
|
|
285 | (30) |
|
|
|
|
285 | (2) |
|
11.2 General Classification of ADCs |
|
|
287 | (3) |
|
11.3 SAR Principle of Operation |
|
|
290 | (2) |
|
11.4 SAR Versus Flash ADC |
|
|
292 | (1) |
|
11.5 State of the Art in SAR ADC Design |
|
|
293 | (5) |
|
11.5.1 Optimization of the Capacitor Array |
|
|
295 | (1) |
|
11.5.2 Optimization of the Comparator |
|
|
296 | (2) |
|
11.6 Design Example of 8-bit Current-Mode SAR |
|
|
298 | (4) |
|
11.7 Optimization Techniques in Current-Mode SAR ADCs |
|
|
302 | (1) |
|
11.8 Interleaved SAR Operation |
|
|
303 | (4) |
|
11.9 Current-Mode Interleaved SAR ADC |
|
|
307 | (1) |
|
|
308 | (1) |
|
|
309 | (6) |
|
Chapter 12 Low-Power Intergrated Front-End for Timing Applications with Semiconductor Radiation Detectors |
|
|
315 | (22) |
|
|
|
|
315 | (2) |
|
|
317 | (4) |
|
12.2.1 Timing Errors due to Noise |
|
|
317 | (1) |
|
12.2.2 Timing Errors due to Amplitude Variations |
|
|
318 | (3) |
|
12.3 Constant-Fraction Discriminator |
|
|
321 | (7) |
|
12.3.1 Principle of Operation |
|
|
321 | (2) |
|
12.3.2 Issues in Monolithic CFD Design |
|
|
323 | (1) |
|
12.3.3 Practical CFD Implementations |
|
|
324 | (4) |
|
12.4 Time-Walk Correction with Amplitude Information |
|
|
328 | (6) |
|
12.4.1 Time-Over-Threshold: Basic Principle and Practical Implementations |
|
|
328 | (2) |
|
12.4.2 Time Resolution of a Low-Power ToT Cell in 0.13-μm CMOS: A Case Study |
|
|
330 | (4) |
|
|
334 | (3) |
|
Chapter 13 Time-to-Digital Converter Circuits in Radiation Detection Systems |
|
|
337 | (24) |
|
|
|
337 | (2) |
|
|
339 | (3) |
|
13.2.1 Positron Emission Tomography |
|
|
339 | (1) |
|
13.2.2 Associated Particle Technique, Time-of-Flight Experiments |
|
|
340 | (2) |
|
13.2.3 MARIACHI Experiment |
|
|
342 | (1) |
|
|
342 | (1) |
|
13.4 Process, Voltage, and Temperature Variations |
|
|
343 | (3) |
|
13.4.1 Temperature Variations |
|
|
343 | (1) |
|
13.4.2 Voltage Variations |
|
|
344 | (2) |
|
|
346 | (1) |
|
13.6 Meta-Stability in Digital Logic |
|
|
347 | (1) |
|
13.7 TDC State of the Art |
|
|
348 | (7) |
|
13.7.1 FPGAs and CMOS-ASIC-Based TDCs |
|
|
348 | (2) |
|
13.7.2 Circuit Topologies |
|
|
350 | (1) |
|
13.7.2.1 Tapped-Delay-Line Method |
|
|
350 | (1) |
|
13.7.2.2 Vernier Technique |
|
|
351 | (1) |
|
|
352 | (1) |
|
13.7.2.4 Two-Ring Oscillator-Based Technique |
|
|
353 | (2) |
|
|
355 | (3) |
|
|
358 | (1) |
|
|
358 | (3) |
Index |
|
361 | |