Patent ID: 6958772

Claim:
An image sensing apparatus comprising: an image sensing device; an A/D conversion unit configured to convert an analogue image signal outputted by said image sensing device into a digital signal; a color interpolation unit configured to perform color interpolation on the digital signal converted by said A/D conversion unit and generate image data on a plurality of color planes; a gamma conversion unit configured to perform a gamma conversion on the image data generated by said color interpolation unit; a color space conversion unit configured to convert a color space of the plurality of color planes of the image data converted by said gamma conversion unit, to a color space of another colorimetric system; a pseudo color removing unit configured to reduce a color component generated by said color interpolation unit, by controlling a color difference signal converted by said color space conversion unit, so that pseudo color components of the image data are reduced; a thinning unit configured to thin the image data in which the pseudo color components are reduced by said pseudo color removing unit, wherein the thinning process complies with a predetermined compression method; and a compression unit configured to compress the image data in which the ratio of the color components are changed by said thinning unit and the pseudo color components are reduced by said pseudo color removing unit, wherein said compression unit compresses the image data according to the predetermined compression method, wherein said color space conversion unit is arranged between said gamma conversion unit and said pseudo color removing unit, and said thinning unit is arranged between said pseudo color removing unit and said compression unit.