Fast Search Algorithm of H.264 Based on Texture Characteristics of Macro Blocks to Be Coded
Zhendong Zheng · Video Engineering · 2009
Motion estimation algorithm used in H.264 is too complicated. To improve this situation, a method to skip some search positions by the texture characteristics of macro blocks to be coded is proposed. The method can greatly reduce the number of search positions to shorten the time on predicting. And an adaptive fast full search algorithm based on the characteristics of macro blocks is proposed. Experimental results show that the algorithm can increase the encoding speed significantly with negligible PSNR drop and bit-rate increase.