Patent ID: 9066105
Filing Date: 2015-06-23
Classification: H04N

Abstract:
1. An image processing apparatus comprising: an encoder configured to encode an input bit stream of image data comprising a plurality of blocks in a block unit in such a manner that data amount of the coded data is equal to a coding limit value and generate coded data; a sub-block selector configured to select at least one sub-block from the coded data, the sub-block comprising a request area on which an image processing is performed and which is smaller than the block; a decoder configured to decode the sub-block and generate decoded data; an image processor configured to perform the image processing on the decoded data and generate processed image data; and an additional data generator configured to generate additional decoding data defining the sub-block corresponding to the decoded data, wherein the additional decoding data comprises a head coordinate of a request block comprising a plurality of sub-blocks and an offset value of the request block, the offset value comprises accumulative coding amount of the first to N-th request blocks, N being an integer more than two, and a coding difference value being a difference between the accumulative coding amount and a coding limit value of each request block.