Cover -- Half Title -- Series Page -- Title Page -- Copyright Page -- Contents -- Preface -- Editors -- Contributors -- 1. Radiation Detection in SPECT and PET -- 2. Imaging Technologies and Potential Clinical Applications of Photon Counting X-Ray Computed Tomography -- 3. Optimized Energy Bins for K-Edge Imaging Using a Photon Counting Detector -- 4. Spectral Photon-Counting CT System Based on Si-PM Coupled with Novel Ceramic Scintillators -- 5. Spectral X-Ray Computed Micro Tomography: 3-Dimensional Chemical Imaging by Using a Pixelated Semiconductor Detector