The efficient video coding technique aims to improve the video coding efficiency from two aspects of reducing the video coding computation complexity and improving the video compression ratio.
本发明旨在从降低视频编码计算复杂度和提高视频压缩比两个方面改善视频编码的效率。
The computation in video codec mainly concentrates on motion estimation, which is the bottleneck of realization of real time video codec.
运动估计是视频图像编码中运算量很大的部分，也是影响系统实时性能的瓶颈。
In recent years, GPU has been used for general purpose computation increasingly, the GPU for video compression has broad application prospects.
近年来GPU逐渐被用于通用计算，将GPU用于视频图像压缩领域具有广阔的应用前景。
In the whole process of video coding, motion estimation requries a major amount of computation, which becomes the bottleneck of the video coding.
在整个视频编码过程中，运动估计占了主要的运算量，成为视频编码的瓶颈。
Variable Length coding is one of the key technologies in video coding with large computation requirement.
变长编码是视频编码中的关键技术之一，计算量大。
Video transcoding for reduced spatial resolution needs a lot of computation. Restricted by real-time demand, the quality of transcoded stream will decrease in variant degree.
视频空间分辨率下变换转换编码过程的运算量较大，受实时性、输出码率的限制，转换后的图像质量会有一定程度的下降。
Video transcoding for reduced spatial resolution needs a lot of computation. Restricted by real-time demand, the quality of transcoded stream will decrease in variant degree.
视频空间分辨率下变换转换编码过程的运算量较大，受实时性、输出码率的限制，转换后的图像质量会有一定程度的下降。
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