Double path coding method for mode decision based on low complexity in H.264

The traditional method of mode decision of low complexity is to compare the SAD cost of all the modes and choose the best mode with the smallest one. A new method for mode decision that is based on the result of quantization result is proposed for the DSP project design. This method is very useful in hardware designing project. In the analysis of the test result, the bitrate will reduce about 5%–25% with the same QP.