| 摘要 |
An image compressing apparatus, including an image component dividing unit to divide an input image into a mask component, a foreground component, and a background component, a mask encoding unit to compress the mask component and to output mask component data, a foreground encoding unit to compress the foreground component and to output foreground component data, a background encoding unit to segment the background component into a plurality of segments, to respectively compress the segments at sampling rates in response to gradients of the respective segments, and to output the compressed background component data, segmentation information and sampling rate information, and a bit stream output unit to combine the mask component data, the foreground component data, the compressed background component data, the segmentation information and the sampling rate information to output the combined result as a bit stream.
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