医学影像分析与实作教材教学课件.ppt

醫學影像分析與實作;OUTLINE; Most nuclear medicine imaging systems present their information as digital images. A digital image is stored in the computer as an array or matrix of count values and is displayed by assigning a gray or color scale that depends on the number of counts in each element. ;Digital Image;Image formation;Frame mode ;List mode;Sampling;Frame mode Acquisition;Resolution;Spatial Resolution ;Statistical Noise;Increase Spatial resolution;Byte mode V.S. Word mode;Byte mode V.S. Word mode;Byte mode V.S. Word mode;臨床診斷上使用的應用軟體;Image Enhancement;Image Enhancement;Image Enhancement;Image Enhancement;Image Enhancement;;;Image Enhancement;;Image Enhancement;Parathyroid subtractuin;Image Enhancement;影像量化分析;Point processing operation;Point processing operation;Gray scales and color table;Gray and color table;Gray scales and color display;Gray scales and color display;Lung perfusion/ventilation ratio;Tl201 myocardial perfusion study;Creating ROIs;Create ROI;Curve Generation and Analysis;The Moving Average method;The Moving Average method;Data smoothing by curve Fitting;Clinical Mathematic in Nuclear Medicine;Example for Ventricular Ejection Fraction;Multiple gate mode;Ejection Fraction;Ejection Fraction;Ejection Fraction;Ejection Fraction;Ejection fraction;Gastric empty time study;Example for renal function ;Analysis tools; Arithmetic v.s. Geometric ROI information (RINFO);Image ratio;Image ratio;Gate’s method ;Start;GFR renal function study;Conclusion;THE END;practice