The visual effect is an important fact in the coding algorithm. So the saliency of visual attention(SVA) can be used to
determine the region of interest(ROI) in the ROI image coding. A novel SVA based ROI(SVA-ROI) image coding
scheme is presented for the reconnaissance satellite systems. As the SVA of the original image and reconstructed image
are usually the same, the same ROI can be automatically determined in the encoder and decoder with the SVA. Then the
ROI side information is no need to be transmitted and the compression efficiency can be improved. Experimental results
have demonstrated that SVA-ROI has better visual effect than the similar algorithms, which will be suitable for the
reconnaissance satellite systems.
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