Compressive-sensing-based on-satellite real-time image synthesis compression system
A compressed sensing and real-time image technology, which is applied in image communication, television, electrical components, etc., can solve the problems of large amount of computation and complex compression algorithm process, and achieve accurate and convenient bit rate control, improved stability, and accurate bit rate control Effect
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[0025] Such as figure 1 As shown, the compressed sensing-based on-board real-time image synthesis and compression system of the present invention includes: n compressed sensing measurement modules and measurement data synthesis modules.
[0026] Satellite remote sensing first performs compressed sensing measurement on the original data of each channel of the multi-channel TDICCD camera on the star to obtain the compressed data, then synthesizes the compressed data, and transmits the synthesized data stream to the ground through the digital transmission module. The ground decomposes and decodes the compressed data stream to obtain the restored image. The specific process is as follows:
[0027] Compression coding of data on 1 star
[0028] According to the compressed sensing theory, the measurement matrix is designed, and the original signal of each channel output by the multi-channel TDICCD is randomly measured through the measurement matrix to obtain the compressed data. ...
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