A digital method for ''eliminating'' redundant pixels in an image. The process is widely used for image scaling and for over-sampled ADCs. If every second pixel is stored in a digital image storage apparatus, the decimation factor is 2, and the image size occupies only one quarter of the original size. Decimation of a high order deteriorates the signal and unwanted artifacts are added to the picture, whether it is a video or a still picture.
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