Because of the high quality and low bit rate, g.
由于具有高音质和低码速率的特点，G。
Low bit rate JPEG compressed images usually demonstrate serious blocking effects.
低比特率JPEG压缩图象往往产生严重的方块效应。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
提出了低码率正弦变换编码算法(STC)的改进算法。
High speed and low bit rate coding is very important in dynamic image compression.
进行动态图像压缩时如何兼顾较高的编码速度与较低的码率成为编码的关键。
A fast block matching motion estimation algorithm for low bit rate video coding is proposed.
提出一个用于低比特率视频编码的快速块匹配运动估计算法。
This paper presents an efficient motion estimation technique for very low bit rate video coding.
提出了一种有效的适用于甚低比特率视频编码的运动估计新技术。
Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper.
主要研究适于窄带低码率活动图像的帧间预测编码算法。
The finished encoder can compress high resolution video in real time, with low bit rate and high image quality.
实验结果表明该编码器可实现高分辨率视频的实时编码，且具有较低的码率和较好的图像质量。
The reconstructed images are recognizable at low bit rate and their quality are better than JPEG at any bit rate.
而在相同的比特率下，重构图象的质量一致优于JPEG标准。
In low bit rate application or high definition player system such as digital cinema, coding artifacts will be very annoying.
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。
Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.
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。
High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.
高清晰度，低比特率的图像压缩技术是研究井下电视的关键技术之一。
A kind of robust pitch estimation algorithm is presented for parametric speech coding with transparent quality at very low bit rate.
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。
For very low bit rate speech coding algorithms, it is important to quantize these parameters accurately using as few bits as possible.
甚低位率语音编码算法要求使用尽可能少的位率编码语音谱参数。
Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.
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。
This paper presents an implementation of multiplexing equipment, which is used widely and flexibly in low bit rate data communications.
提出了一种组合方便、应用广泛的低速数据复接设备的实现方案。
Simulation results reveal that it can achieve better performance than conventional DCT coding scheme and SA DCT method in low bit rate coding.
实验结果证明，在低码率下，使用子带dct对任意形状的VOP进行编码的方法优于传统的DCT方法和SA DCT方法。
An optimized update operator in lifting implementation is proposed to improve scalability under low bit rate and the quality of reconstructed video.
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。
Use the predominance of new programmable logic chip on digital signal domain lucubrate on the implement with FPGA of speech signal low bit rate coding.
本文利用新一代可编制逻辑器件在数字信号处理领域的优势，对语音信号低码率编码的FPGA实现进行了深入研究。
An error resilience scheme for very low bit rate speech coding was developed for speech communications on narrow band channels with high bit error rates.
为满足在高误码率的窄带信道上进行语音通信的需求，研究了一种适用于甚低速率语音通信的抗误码参数估值算法。
So it is necessary to further study the characteristics of video and compression mechanism deeply and to achieve live transmission of videos at very low bit rate.
因此，有必要继续深入研究视频图像的特点与压缩机理，以实现甚低比特率下视频图像实时传输的目标。
As one of the current most potential low bit rate speech coding schemes, waveform interpolation model with its high performance has been paid more and more attention.
波形内插语音编码模型作为当今最具潜力的低速率语音编码方案之一，因其良好的性能，越来越受到人们的重视。
In perceptual audio coding with low bit rate application, the pre-echo artifact is more distinct, and the effective detection of transient signals is the precondition.
在低比特率音频感觉编码中，预回声失真更为突出，而对其处理的前提是瞬态信号的有效检测。
Algorithms and new research results in very low bit rate speech coding is presented thoroughly in this paper, and conclusions are given through comparison and analysis.
全面论述了极低速率语音编码算法中运用的方法理论及最新的研究成果，并对这些算法进行了比较和分析，得出结论。
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.
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 research in this paper is based on the projects which are "A Low Bit Rate Multimedia Remote Instruction System" and "A Video-Audio Monitoring-Control and Alarm System".
本论文的研究来源于科研项目“低比特率多媒体远程教学系统”及“基于网上的视音频监控及报警系统”。
In the meantime, we evaluate and analyze objectively the robustness of the low bit rate speech coding algorithms with our own objective evaluating system of the speech quality.
并利用所构建的语音质量客观评价平台，对语音增强低速语音编码算法的抗背景噪声性能进行了客观评估与分析。
Our research has showed that SPIHT performs better than JPEG while the underwater images are coded in low bit rate. SPIHT also has a good progressive transmission characteristic.
并指出基于小波变换的SPIHT编码算法具有对水下图像低比特率编码性能好、可以与纠错技术结合使用等特点。
Although the video compression technique has been investigated extensively and developed rapidly, it still can not meet the requirement of live transmission at very low bit rate.
虽然视频压缩技术在当今的信息时代中得到迅猛发展，但目前现有的视频压缩技术仍不能满足甚低比特率下实时传输视频图像的要求。
It can translates high quality facial animation over low bit rate communication channels, so it can be used to improve the human-computer interface or to build virtual community.
这个系统能够在低带宽的网络上完成高品质的人脸动画传输任务，可以用于改善人机界面或构造虚拟社区。
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