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首页> 外文会议>International Conference on Electrical, Electronics, and Optimization Techniques >Intra frame coding for Advanced Video Coding Standard/H.264 to control PSNR and reduce bit rate using vertical mode
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Intra frame coding for Advanced Video Coding Standard/H.264 to control PSNR and reduce bit rate using vertical mode

机译：用于高级视频编码标准/H.264的帧内编码，以使用垂直模式控制PSNR并降低比特率

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摘要

This paper proposes Intra frame coding in Advanced Video Coding Standard/H.264 to reduce bit rate and control PSNR using new technique i.e. Gaussian pulse. The previous work on Intra frame in Advanced Video Coding Standard/H.264 using fast mode decision prediction algorithm was measured the performance parameters and achieved increased in bit rate, degradation of PSNR for different quantization parameters. So that in order to avoid loss or degradation of PSNR, to avoid increment in bit rate and also save encode time in Intra frame coding, Gaussian pulse method are used. Mode 0 is Vertical intra prediction mode used for present work intra frame in AVC/H.264 and measure performance parameters such as PSNR and bit rate. The proposed algorithm is based on Gaussian pulse which is multiplied with each 4×4 transformed coefficients of 4×4 sub macro block of Intra frame which provides signal in reversible way and avoids image getting bad hit for coarse quantization step. The proposed algorithm intra frame coding tested coded and implemented using MATLAB and compared with JM 18.6 reference algorithm of H.264/AVC. The simulation results of proposed method are compared with JM 18.6 reference algorithm of H.264/AVC. The simulation results shows that the proposed algorithm achieved controlled PSNR and reduced bit rate of 34.84% and also saves encode time 64.93 % of QCIF sequences under QP 28 with different Gaussian value 0.1,0.3 and 0.6 for Vertical intra prediction mode using Gaussian pulse.
机译：本文提出了在高级视频编码标准/H.264中进行帧内编码的方法，以降低比特率并使用高斯脉冲等新技术控制PSNR。先前使用快速模式决策预测算法对高级视频编码标准/H.264中的帧内帧进行了测量，测量了性能参数，并实现了比特率的提高，不同量化参数下PSNR的下降。为了避免PSNR的损失或劣化，为了避免比特率的增加并且还节省帧内编码中的编码时间，使用了高斯脉冲方法。模式0是垂直帧内预测模式，用于AVC / H.264中的当前工作帧内帧，并测量性能参数，例如PSNR和比特率。所提出的算法是基于高斯脉冲的，该高斯脉冲与帧内帧的4×4子宏块的每个4×4变换系数相乘，从而以可逆的方式提供信号，避免了图像因粗量化步骤而受到不良影响。提出的算法帧内编码经过测试，使用MATLAB进行编码和实现，并与H.264 / AVC的JM 18.6参考算法进行了比较。将该方法的仿真结果与H.264 / AVC的JM 18.6参考算法进行了比较。仿真结果表明，所提出的算法在高斯脉冲的垂直帧内预测模式下，在QP 28下具有不同的高斯值0.1、0.3和0.6，可实现QCIF序列的受控PSNR和降低的比特率34.84％。

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