Dept of Physiology Pathophysiology Shanghai Medical College Fudan Slides: 35 Download presentation 医学信号处理的原理和方法 曹银祥 Dept. of Physiology & Pathophysiology Shanghai Medical College Fudan University X-Ray MRI 超声图象 Photo courtesy Philips Research Ultrasound examination during pregnancy DSA 数字减影血管造影 (Digital Subtraction Angiography) 图象文件格式 Bit-mapped format Tagged image file format Encapsulated Post. Script Graphical interchange format Joint Photographics Experts Group Motion Picture Experts Group Dicam 3 *. BMP *. TIF *. EPS *. GIF *. JPG *. MPG 视频格式 NTSC (National Television Systems Committee) 北美、日本 PAL (Phase Alternation Line) 欧洲、中国 SECAM (Systeme Electronique Color Avec Memoire) 法国 彩色模型 RGB模型 HIS模型 H: hue 色相 S: saturation 饱和度 I: intensity 强度,明度 CYM模型 cyan, yellow, magenta CYMK模型 CYM+black