• Low bit rate JPEG compressed images usually demonstrate serious blocking effects.

    比特JPEG压缩图象往往产生严重的方块效应

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  • A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.

    提出正弦变换编码算法(STC)的改进算法。

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  • But this scheme is obsessed with block effect in the instance of low bit rate transmission.

    然而传输情况下方案受到方块效应飞蚊噪声困扰。

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  • A fast block matching motion estimation algorithm for low bit rate video coding is proposed.

    提出一个用于比特视频编码快速匹配运动估计算法

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  • Interframe prediction coding algorithm for narrow band low bit rate image sequence is presented in this paper.

    主要研究适于窄带活动图像预测编码算法

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  • The finished encoder can compress high resolution video in real time, with low bit rate and high image quality.

    实验结果表明编码器实现分辨率视频实时编码,且具有较低的好的图像质量。

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  • The reconstructed images are recognizable at low bit rate and their quality are better than JPEG at any bit rate.

    相同的比特下,重构图象质量一致优于JPEG标准。

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  • Provided are audio encoding and decoding apparatuses capable of recovering a high-quality audio signal at a low bit rate.

    本发明提供了一种能够比特时恢复高质量音频信号音频编码解码装置

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  • In low bit rate application or high definition player system such as digital cinema, coding artifacts will be very annoying.

    超高清晰度视频特别是数字电影应用中压缩噪声影响观看质量。

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  • Therefore what has been studied should be a promotion to make very low bit rate video coding work in practice and in wide use.

    相信做的这些工作视频图像编码实际应用推广起到推动作用

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  • High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.

    清晰度比特图像压缩技术研究井下电视关键技术之一

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  • A kind of robust pitch estimation algorithm is presented for parametric speech coding with transparent quality at very low bit rate.

    为了实现率下透明质量语音编码提出了基音周期估计算法

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  • Therefore, researchers in the related field are constantly seeking new coding method to provide a high quality voice at low bit rate.

    因此,人们不断寻求新的编码方法,以求比特的前提下,提供较高的语音质量

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  • For very low bit rate speech coding algorithms, it is important to quantize these parameters accurately using as few bits as possible.

    低位语音编码算法要求使用尽可能率编码语音谱参数

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  • Block artifact is one of major causations which reduce the quality of pictures in video coding, especially at the time of low bit rate.

    效应视频编码影响编码质量重要问题,特别率情况下尤为明显。

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  • This paper presents an implementation of multiplexing equipment, which is used widely and flexibly in low bit rate data communications.

    提出一种组合方便应用广泛的低速数据复接设备实现方案

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  • Simulation results reveal that it can achieve better performance than conventional DCT coding scheme and SA DCT method in low bit rate coding.

    实验结果证明下,使用子带dct对任意形状的VOP进行编码方法优于传统的DCT方法SA DCT方法。

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  • An optimized update operator in lifting implementation is proposed to improve scalability under low bit rate and the quality of reconstructed video.

    提出更新算子优化设计提高视频编码的可扩展性取得改善重建视频质量

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  • 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数字信号处理领域优势语音信号编码的FPGA实现进行了深入研究。

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  • 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.

    满足在误码率窄带信道上进行语音通信的需求,研究了一种适用于速率语音通信的抗误码参数估值算法。

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  • 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.

    因此必要继续深入研究视频图像特点压缩机理实现比特率下视频图像实时传输的目标。

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  • First, the theoretical foundations of wavelet based video coder as well as a new video coder for low bit rate video compression used in this research are presented.

    首先,论文介绍基于小波视频编码器的基本原理,提出一种新的适用于比特压缩场景的视频编码器方案。

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  • 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具潜力速率语音编码方案之一良好性能越来越受到人们的重视

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  • 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.

    比特音频感觉编码中,回声失真更为突出,对其处理的前提瞬态信号有效检测

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  • 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.

    全面论述速率语音编码算法中运用的方法理论最新研究成果,并对这些算法进行比较分析得出结论

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  • 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.

    采用的视频编码方法是以全局运动补偿局部运动补偿为核心的混合编码方法。

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  • 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".

    论文的研究来源于科研项目比特多媒体远程教学系统基于网上的视音频监控报警系统”。

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  • 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分析

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  • 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编码算法具有水下图像比特编码性能、可以与纠错技术结合使用等特点

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  • 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信息时代中得到迅猛发展,目前现有的视频压缩技术不能满足比特率下实时传输视频图像的要求

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