一、前言日益发展的电子成象技术使较为古老的照相技术发生了巨大变化。拍照片不要用胶卷,这是世人多少年以来的梦想。在新一代电子照相技术的帮助下,高清晰的无胶卷照相机已经在今年上市。新的电子照相技术与录象机类似,它是把静止图象信息记录于称之为“静象磁盘”的小 I. INTRODUCTION The ever-growing technology of electronic imaging has brought about dramatic changes to the more ancient photographic techniques. Do not take pictures of film, which is the dream of many people over the world. With the help of a new generation of electrophotographic technology, high-definition filmless cameras are already available this year. The new electrophotographic technology is similar to a video recorder in that it records still image information in a small, so-called “still disk”