Patent ID: 7792374
Filing Date: 2010-09-07
Classification: H04N

Abstract:
1. An image processing apparatus comprising: an input unit configured to input image data; a first coding unit configured to encode, in an intracoding mode, the input image data by transforming the input image data into frequency components in units of blocks and coding said frequency components; a second coding unit configured to encode, in an intercoding mode, the input image data using reference image data which is obtained by performing local decoding on the image data encoded by said first coding unit; a storing unit configured to store the reference image data; a central processing unit including a pseudo-coded reference image data generating unit configured to generate pseudo-coded reference image data by limiting the frequency components obtained by the transforming of the input image data in the first coding unit, wherein said pseudo-coded reference image data is used to correct a frame of image data encoded by the second coding unit in a case where the frame of image data encoded by the second coding unit cannot be decoded in a decoding process; a switching unit configured to output the pseudo-coded reference data generated by said pseudo-coded reference image data generating unit when coding is performed in the intercoding mode; and a multiplexing unit configured to output a stream of multiplexed data obtained by storing the pseudo-coded reference image data outputted by the switching unit into a user data area in a video plane object in a stream of the image data encoded by the second coding unit in a case where the coding is performed in the intercoding mode, and to output a stream of data in which the pseudo-coded image reference data is not stored in a case where the coding is performed in the intracoding mode.