Video sequence reconstruction method based on compressed sensing
A video sequence and compressed sensing technology, applied in the fields of digital video signal modification, electrical components, image communication, etc., can solve the problem of waste of sampling resources, improve the complexity of codecs, etc., to achieve shortened reconstruction time, good video quality, The effect of a small amount of data
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[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0029] like figure 1 As shown, the present invention provides a method for reconstructing video sequences based on compressed sensing, comprising the steps of:
[0030] (1) Measurement process
[0031] Step A1: grouping the original video sequence into groups of image groups GOP, and dividing them into n image groups;
[0032] Step A2: Set the image group size to m, and the first frame in each image group is the key frame , the second frame to the mth frame are non-key frames , ,…, , i is the serial number of the image group, i=1,2, ...,n;
[0033] Step A3: Sampling the key frames of each image group in blocks at a high sampling rate, corresponding to , i=1,2,...,n, the non-key frames of each image group are sampled in blocks at a low sampling rate, and the corresponding , ,…, , i=1,2,...,n;
[0034] (2) Refactoring process
[0035] ...
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