Patent application number | Description | Published |
20120213278 | MOVING IMAGE CODING DEVICE, MOVING IMAGE DECODING DEVICE, MOVING IMAGE CODING/DECODING SYSTEM, MOVING IMAGE CODING METHOD AND MOVING IMAGE DECODING METHOD - A frequency transformation determination unit determines whether a plurality of adjacent transformation target regions with the partition boundary interposed therebetween are integrated or not. A transformation coefficient generation unit generates, by applying one frequency transformation, a transformation coefficient for the transformation target regions where the frequency transformation determination unit determined to integrate. | 08-23-2012 |
20120251012 | IMAGE FILTER, ENCODING DEVICE, DECODING DEVICE, AND DATA STRUCTURE - An image filter ( | 10-04-2012 |
20120300849 | ENCODER APPARATUS, DECODER APPARATUS, AND DATA STRUCTURE - An encoding device of the present embodiment includes: an adaptive filter ( | 11-29-2012 |
20130058410 | ENCODING DEVICE, DECODING DEVICE, AND DATA STRUCTURE - A video encoding device includes a side information determination section and a side information encoding section. The side information determination section sets a quantization parameter for each macroblock in such a manner that a difference between quantization parameters for each pair of macroblocks with successive encoding orders is equal to one of n difference values, and transforms the difference into one of n indices with respect to each pair. The side information encoding section generates a binary sequence having a length corresponding to the size of the absolute value of the index. The total of absolute values of the n indices is smaller than the total of absolute values of the n difference values. | 03-07-2013 |
20130121414 | IMAGE INTRA-PREDICTION MODE ESTIMATION DEVICE, IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE, AND ENCODED IMAGE DATA - A coding device and a decoding device are configured to include an estimated prediction mode deciding section ( | 05-16-2013 |
20140140416 | OFFSET DECODING DEVICE, OFFSET CODING DEVICE, IMAGE FILTERING DEVICE, AND DATA STRUCTURE - An adaptive offset filter ( | 05-22-2014 |
20140307801 | ARITHMETIC DECODING DEVICE, IMAGE DECODING DEVICE, ARITHMETIC CODING DEVICE, IMAGE CODING DEVICE, AND ARITHMETIC DECODING METHOD - The amount of processing is reduced with high coding efficiency maintained. There is provided an arithmetic decoding device including syntax decoding means for decoding each of at least a first syntax element and a second syntax element indicating a transform coefficient using arithmetic decoding with a context or arithmetic decoding without a context. The syntax decoding means performs decoding that at least includes not decoding the first syntax element and decoding the second syntax element using the arithmetic decoding without a context, and decoding the first syntax element using the arithmetic decoding with a context and decoding the second syntax element using the arithmetic decoding without a context. | 10-16-2014 |
20140348247 | ARITHMETIC DECODING DEVICE, IMAGE DECODING DEVICE, AND ARITHMETIC CODING DEVICE - To reduce the amount of processing related to coding and decoding of transform coefficients, a sub-block coefficient presence/absence flag indicating whether or not at least one non-zero transform coefficient is included is decoded for each of two or more sub-blocks obtained by dividing a unit region, and a context index of a target sub-block is derived on the basis of transform coefficient presence/absence flags each indicating whether or not a transform coefficient is 0. In accordance with the sub-block coefficient presence/absence flags of adjacent sub-blocks that are adjacent to the target sub-block, the context index of the target sub-block is derived. | 11-27-2014 |