| 摘要 |
An image compressing apparatus including an input unit for inputting a plurality of spatial frequency component data of a block which is one of a plurality of blocks constituting an image, a discriminating unit for discriminating an image type of the block according to the spatial frequency component data input by the inputting unit with a predetermined value, a selecting unit for selecting one quantizing method from among a plurality of different quantizing methods, which respectively correspond to a plurality of image types, in accordance with the image type discriminated by the discriminating unit, and a quantizing unit for quantizing the spatial frequency component data of the block input by the inputting unit in accordance with the quantizing unit selected by the selecting unit.
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