本文给出了几种低码率空时网格码的好码。
In this paper, some optimum low rate space-time trellis codes are proposed.
近年来。在低码率的音频编码算法中也开始应用它。
Recently, it began to be applied in low - bit rate audio coding.
提出了低码率正弦变换编码算法(STC)的改进算法。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
主要研究适于窄带低码率活动图像的帧间预测编码算法。
Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper.
目前高压缩比低码率的压缩方法成为图象编码领域的研究热点。
Currently compression methods with higher compression ratio and lower bit rate become the hot spot in the area of image encoding.
结果表明，提出的方案优于DCT标准，特别是在非常低码率的情况下。
Results show that the proposed scheme outperforms the standard DCT, especially at very low bit rates.
然而在低码率传输的情况下该方案受到“方块效应”和飞蚊噪声的困扰。
But this scheme is obsessed with block effect in the instance of low bit rate transmission.
为了实现甚低码率下的透明质量语音编码，提出了一种基音周期估计算法。
A kind of robust pitch estimation algorithm is presented for parametric speech coding with transparent quality at very low bit rate.
在低码率或超高清晰度视频特别是数字电影应用中，压缩噪声会影响观看质量。
In low bit rate application or high definition player system such as digital cinema, coding artifacts will be very annoying.
低码率、低复杂性的LD -CELP算法在通信领域具有十分重要的意义。
The LD-CELP algorithm with low rate and low complexity had very important meaning in the field of communication.
实验数据表明该算法的压缩能力优于JPEG2000，尤其适于低码率压缩。
The results indicate the compression performance of the proposed algorithm is better than that of JPEG2000, especially at low bit-rate compre…
相信所做的这些工作对甚低码率视频图像编码的实际应用和推广将起到推动作用。
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.
基于表情活动单元的人脸模型自动适配是极低码率可视电话模型基编码所必需的。
The automatic adaptation of a face model using action units is necessary for the model based coding of videophone sequences at very low bit rates.
为了解决低码率视频完整性认证问题，提出了一种基于脆弱水印的视频认证方案。
In order to solve the problem of integrality authentication for low bit-rate video, a novel video authentication schema based on the fragile watermark is proposed.
块效应是视频编码中影响编码质量的一个重要问题，特别在低码率情况下尤为明显。
Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
采用的低码率视频编码方法是以全局运动补偿和局部运动补偿为核心的混合编码方法。
The coding method in low bit rate discussed in this paper is a hybrid encoding architecture, which combines global motion compensation and local motion compensation coding.
信道带宽是非常有限和宝贵的资源，而低码率语音编码技术是节省带宽的重要方法之一。
Moreover, the bandwidth is a very limited and precious resource. And the low code rate speech codes is one of the important methods to be economical bandwidth.
去方块滤波是一种用来去除低码率情况下的每个宏块的块效应，提高了解码图像的外观。
The deblocking filter is applied to every macroblock to reduce blocking distortion at low rate, which improves the appearance of the decoded images.
提出了更新算子的优化设计，以提高低码率下视频编码的可扩展性，并取得改善的重建视频质量。
An optimized update operator in lifting implementation is proposed to improve scalability under low bit rate and the quality of reconstructed video.
本文简要介绍了语音压缩编码的新进展，并且着重介绍低码率语音编码在新近几年所取得的进展。
In this paper, developments of speech compression coding are briefly introduced, and importance is attached to recent advances in speech coding at low bit rates.
该方法可使码率控制算法具有更高的效率，在低码率的情况下可以提供更好的图像质量，降低了传输延迟。
As a result, the new strategy is more efficient and can provide higher quality of image in low-delay communications, thus reducing the transmission delay.
实验证明，在低码率序列图像传输中，此多参考帧搜索算法在匹配精度和运算速度方面都有一定的优越性。
Experiments show that at low bit-rate of image sequence transmission, thus multi-reference frame search algorithm has some advantages in matching accuracy and speed of operation.
实验结果表明该算法在低码率下，相比jpeg，获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
并且，随着多媒体通信技术和VLSI技术的飞速发展，极低码率视频编码技术将会在众多领域中得到重视。
Moreover, with the rapid growth of multimedia communication technology and VLSItechnology, very low bit-rate video coding will be…
实验结果显示在低码率下，该算法能够大大节约编码的码字，而且在小运动序列时，可以显著减少编码的时间。
Experimental results show that the algorithm can save more bits at low bit-rates and greatly reduce the encoding time when small motion video sequences are encoded.
为了进一步降低码率，提出了减少信号帧间冗余信息的轨迹编码方法，同时引入了解码端频域无相位综合算法。
To give further bit reduction of the redundancy between signal frames, a novel Sinusoidal Tracking Coding algorithm has been proposed.
实验结果显示在低码率下，该算法能够大大节约编码的码字，而且在小运动序列时，可以显著减少编码的时间。
Experimental results show that the algorithm can save more bits at low bit-rates and greatly reduce the encoding Tim...
实验结果显示在低码率下，该算法能够大大节约编码的码字，而且在小运动序列时，可以显著减少编码的时间。
Experimental results show that the algorithm can save more bits at low bit-rates and greatly reduce the...
本文在分析低码率压缩码流运动矢量场以及误差曲面性质的基础上，提出一种基于时空预测的快速运动估值方法。
In this paper, based on the analysis of the characteristics of error surface and motion vector field, we propose a fast search strategy for motion estimation is proposed.
本文在分析低码率压缩码流运动矢量场以及误差曲面性质的基础上，提出一种基于时空预测的快速运动估值方法。
In this paper, based on the analysis of the characteristics of error surface and motion vector field, we propose a fast search strategy for motion estimation is proposed.
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