Moving Region-based Fast Encoding Scheme for HEVC Inter Coding

Abstract

This paper proposes a fast inter encoding scheme for High Efficiency Video Coding (HEVC) by utilizing a moving region (MR) to enhance the video quality of our previous scheme for HEVC. Our previous scheme modeled the coding tree unit (CTU) partitioning problem as an optimization problem and solved it by a simple optimizer called a genetic algorithm (GA). To improve the quality of our previous work especially at a low bitrate, the motion information of each CTU is analyzed with the frame difference method. Next, the CTU is categorized into two groups: MR and non-MR. Then, the partitioning pattern (PP) of the current CTU is calculated by GA if the current CTU is in MR. Otherwise, PP from the collocated CTU of the previous key frame is utilized. According to the experimental results, MR- based algorithm can achieve an improved vide