Dual-energy CT is a unique, quickly rising imaging method which deals vital new practical and particular info. during this e-book, physicists and experts from varied CT brands supply an perception into the technological foundation of, and the several techniques to, dual-energy CT. popular scientific scientists within the box clarify the pathophysiological and molecular historical past of the approach, speak about its purposes, offer special recommendation on easy methods to receive optimum effects, and supply tricks relating to medical interpretation. the main target is at the use of dual-energy CT in day-by-day scientific perform, and person sections are dedicated to imaging of the vascular procedure, the thorax, the stomach, and the extremities. reviews and suggestions are according to own event and peer-reviewed literature. lots of rigorously selected top of the range photos are incorporated to demonstrate the scientific merits of the approach.
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Extra info for Dual Energy CT in Clinical Practice
1 Noise Suppression . . . . . . . . . . . . . . 2 GSI Viewer . . . . . . . . . . . . . . . . . 38 6 Future Research/Applications . . . . . . . . . 39 References . . . . . . . . . . . . . . . . . . . 41 Abstract ›› This chapter provides an overview of the GE Discovery CT750HD dual energy imaging capability known as gemstone spectral imaging (GSI). The CT750HD is a single X-ray source system that employs fast kVp switching for dual energy acquisitions.
41 Abstract ›› This chapter provides an overview of the GE Discovery CT750HD dual energy imaging capability known as gemstone spectral imaging (GSI). The CT750HD is a single X-ray source system that employs fast kVp switching for dual energy acquisitions. This acquisition method enables precise temporal registration of the dualenergy sinograms, projection-based material decomposition, and delivers a full 50 cm material decomposition scan field of view. The subsystem technologies employed to achieve the dual energy acquisitions are detailed in the discussion of system design.
Med Phys 30(2):190–198 Gemstone Detector: Dual Energy Imaging via Fast kVp Switching Naveen Chandra and David A. Langan Contents 1 Physical Background . . . . . . . . . . . . . 35 2 System Design . . . . . . . . . . . . . . . 36 3 Image Reconstruction . . . . . . . . . . . . 37 4 Projection-Based Material Decomposition . . . . 37 5 Post Processing . . . . . . . . . . . . . . . 1 Noise Suppression . . . . . . . . . . . . . .
Dual Energy CT in Clinical Practice