专利汇可以提供SYSTEM AND METHOD FOR PROVIDING SINGLE-LAYER VIDEO ENCODED BITSTREAMS SUITABLE FOR REDUCED-COMPLEXITY DECODING专利检索,专利查询,专利分析的服务。并且A method and system (10) of reducing the computation load of an MPEG decoder by changing the encoding algorithms in a video-processing system are provided. During an encoding mode, a stream of data blocks is received and at least one motion vector and one motion compensation prediction value for each macro-block are generated (12). The prediction value is transformed (14) into a set of DCT coefficients. Prior to the quantizing step, the set of DCT coefficients are modified (14) according to predetermined criteria. To this end, the total energy level of the DCT coefficients excluding the lowest 2x2 DCT coefficients is computed, and last column and last row of the DCT coefficients is discarded alternatively until the total energy level of the DCT coefficients reaches a predetermined energy level. Thereafter, the discarded column or row is assigned to a predetermined value. The modified DCT coefficients are then quantified (16) and encoded (20), thereby generating a bit stream of encoded macro-blocks, which are subsequently decoded according to a conventional decoding process.,下面是SYSTEM AND METHOD FOR PROVIDING SINGLE-LAYER VIDEO ENCODED BITSTREAMS SUITABLE FOR REDUCED-COMPLEXITY DECODING专利的具体信息内容。
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