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从英文“ZOOM”来看,既有“图像放大”、也有“变焦”的含义。VCD 中的“ZOOM”功能和相机上的“变焦”基于两种不同的原理。前者是一种数字视频处理,后者是光学处理。“ZOOM”是一种重要的处理技术,在所有电脑的图象处理软件中均可找到,把“ZOOM”引入到 VCD 机中,对高清晰静止画面进行放火,在观赏图像和阅读资料上都有重要的实用意义。当然,由于 VCD 活动图
From the English “ZOOM ” point of view, both “image zoom”, but also “zoom” meaning. The “ZOOM” feature in VCD and “Zoom” on the camera are based on two different principles. The former is a digital video processing, the latter is optical processing. “ZOOM ” is an important processing technology, which can be found in the image processing software of all computers. The introduction of “ZOOM ” into the VCD player sets the high definition still image to await the appearance of images and Reading materials have important practical significance. Of course, due to VCD activity map