A fast algorithm for the conversion of DCT coefficients to H.264 transform coefficients

This paper proposes a fast algorithm that converts DCT coefficients into integer transform coefficients, for the transform domain transcoding from MPEG-x to H.264. For the transcoding in the same resolution, the 8 /spl times/ 8 DCT coefficients are converted to four 4/spl times/ 4 integer transform coefficients by decomposing the conversion matrix into… CONTINUE READING