Image processing method and macro square differential degree between different images thereof

Abstract

The invention relates to a picture processing method and a detecting method for micro block difference between different pictures. And the picture processing method comprises the steps of: first, providing a picture macro block, which is a macro block in a processed picture; applying the detecting method on at least two pictures before the processed picture in picture input sequence to obtain a macro block difference table, where if the processed picture is a P-picture, determining whether to encode the picture macro block according to the macro block difference table or not.

Description

technical field [0001] The invention relates to an image processing method. In particular, it relates to the calculation and comparison of the pixel difference degree during image input to detect the degree of difference between the macro-blocks at the same position in the front and rear images, and then determine whether to compress into a skip mode. method, which is the detection method of the difference degree of giant blocks between different images. Background technique [0002] In the dynamic image compression technology, in order to speed up encoding / decoding or save data storage space, it is often not to encode each image completely. For example, figure 1 It is to explain the encoding sequence and processing method of each image in the dynamic image. figure 2 It is a flow chart illustrating the conventional giant block coding. Please also refer to figure 1 and figure 2 ,in figure 1 The horizontal axis of represents the input timing of moving pictures (video ...

AI Technical Summary

Problems solved by technology

[0005] However, although a megablock in image P0 is similar to a megablock in the same position in image I0, there is no guarantee that a megablock in the same position in all images (B0 and B1) between images P0 and I0 is also similar to a megablock in image P0. Similar squares

In this case, if the giant blocks in the same position of the B-picture and P-picture are too different, the image displayed after compression and decoding with the aforementioned conventional technology will be too different from the original image, that is, the encoding quality is not good

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