17.8 Comparison of CT, MRI, Ultrasonic, and PET Images ........ 352

17.9 Summary ............................................................................... 353

Problems........................................................................................... 353

Chapter 18 Other Biomedical Imaging Techniques ............................................ 355

18.1 Introduction and Overview.................................................... 355

18.2 Optical Microscopy ............................................................... 355

18.3 Fluorescent Microscopy ........................................................ 357

18.4 Confocal Microscopy ............................................................360

18.5 Near-Field Scanning Optical Microscopy ............................. 362

18.6 Electrical Impedance Imaging ..............................................364

18.7 Electron Microscopy ............................................................. 366

18.7.1 Transmission Electron Microscopy..........................367

18.7.2 Scanning Electron Microscopy ................................ 367

18.8 Infrared Imaging ................................................................... 369

18.9 Biometrics .............................................................................. 370

18.9.1 Biometrics Methodology .......................................... 371

18.9.2 Biometrics Using Fingerprints ................................. 372

18.9.3 Biometrics Using Retina Scans ................................ 373

18.9.4 Biometrics Using Iris Scans ..................................... 374

18.10 Summary ............................................................................... 374

Problems........................................................................................... 375

Index...................................................................................................................... 377

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Contents