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In this paper, a real-time entropy decoder for HD video is designed, the whole decoding process is controlled under a finite state machine and the codeword is divided into three parts such as SPS/PPS/SliceHeader, CAVLC and EXP-Golomb. Due to variable length code, the five syntax elements of CAVLC will be parsed step by step. In the proposed implementation, a look-up table algorithm based on pos (the...
H.264 video applications based on mobile handheld devices are becoming more and more popular. How to protect the security has become an important topic. However, the significant power consumption of video encryption algorithms executing the limited battery capacity of handheld devices restricts the abroad use. In this paper, we propose a low power partial encryption scheme based on H.264, it combines...
In this paper, a real-time CAVLC decoder for HD video is designed. The whole decoding process is controlled under a finite state machine with ten states. Due to variable length code, the five syntax elements will be parsed step by step. In the proposed scheme, we exploit a look-up table algorithm based on pos (the number of zero) and may be divided into sub-table according to priority in the same...
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