| 摘要 |
PURPOSE: A video encoding apparatus and quantization matrix transforming apparatus for the same are provided to remove quantization matrix information of a video encoding apparatus and to increase coding efficiency. CONSTITUTION: A mode selecting unit(112) selects a prediction mode in an image macro block. A quantization matrix transforming unit(114) transforms a preset quantization matrix according to the prediction mode. A residual signal generating unit(116) calculates difference between a prediction block and an image macro block. The residual signal generating unit generates a residual signal. The prediction block is generated by using the prediction mode. A quantization unit(118) quantizes the residual signal.
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