| 摘要 |
In an image processing apparatus, an object region is extracted from image data that has been input, and an important region where degradation in image quality is to be reduced is selected with use of a feature quantity of image data of the object region or a peripheral region in a periphery of the object region. Among portions of the input image data, an image data portion outside of the important region is compressed and encoded with use of a first quantization step value, and an image data portion of the important region is compressed and encoded with use of a second quantization step value that is smaller than the first quantization step value.
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