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In interframe coding the content of the frame memory can also be utilized for the prediction of the luminances of moving area picture elements (pels), provided that their displacement has been measured and transmitted. After an analysis of methods for the optimal segmentation of the image into areas corresponding to background, translating objects, and areas not predictable from the previous frame, experimental results of the coding are given; it can be seen that the bit rates are about halved with respect to plain interframe coding.
Brofferio et al. (Fri,) studied this question.