• 采用SP交织算法纠错编码,给出一种基于图像突发误码容量数据嵌入隐秘传输方法

    By using SP algorithm and error correction code technology, a combating burst error and large capacity data hiding method for secret transmission was proposed based on images.

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  • 分析发现同步变长误码扩散概率与其分布有关

    It is found that the error resiliency of SVLC is related with its code distance distribution.

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  • 文章MPEG - 4视频压缩原理出发,介绍MPEG - 4采用主要压缩方法误码技术

    Based on the principle of MPEG-4 video compression, key compression methods and error resilient technologies used in MPEG-4 are introduced.

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  • 实验结果表明算法具有很好的误码性能,压缩效率JPEG-LSJPEG2000略有下降

    The experiment results show that the algorithm has good error feature and the compression efficiency is slightly lower than that of JPEG-LS and JPEG2000.

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  • 由于H。 264覆盖所有宽带宽带应用具有强的误码特性H

    Because H. 264 can cover all the application of low broadband and high broadband and has the feature of strong strong error resilience.

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  • 降低窄带误码信道语音传输的失真,针对基音参数提出了一种解码端差错算法

    A pitch error resilience scheme was developed to reduce speech distortion through narrow band channels with high bit-error-rates.

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  • 水印嵌入经过卷积编码交织处理提高误码能力

    The watermark is processed by convolutional encoding and interleaving before embedding, in order to improve the ability for overcoming error bit rate.

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  • 针对SPIHT算法误码性能的缺陷,提出一种可以有效提高误码性能的方法。

    Because of the SPIHT algorithms bad error-resistance characteristic, an effective scheme is proposed to improve the robustness against communication channel errors.

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  • 模拟结果表明方案压缩较高的传输误码情况表现出良好误码能力。

    Simulation results show that the proposed scheme has higher compression ratio and performs well on channels with high bit error rate(BER).

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  • 数据分割作为一种误码方法H . 264标准中得到较大的改进应用得也很广泛

    Data partitioning, as one of error resilience methods, has been improved in H. 264 and has been widely used.

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  • 仿真结果表明这种方法比特误码之间取得一个好的平衡而且编码图像能得到很好的噪声性能

    The simulation results also show that the method can get better balance between bit error rate and code length, and the image can get better anti-noise property.

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  • 满足在误码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误码参数估值算法。

    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.

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  • 数值分析结果表明方案天线RAKE分集基础上进一步增强径分集效果,大地改善误码性能提高系统衰落能力。

    Results of the performance analysis show this scheme provides more benefit of diversity to overcome fading than the conventional single antenna RAKE receiver, and so gets better BER performance.

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  • 利用理想条件下概率分布计算同步误码扩散概率。

    By using the probability distribution in perfect condition, the error resiliency of synchronized variable length codes (SVLC) is counted.

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  • 给出了一种基于离散无记忆信模型分析误码扩散能力

    The analysis of error resiliency of variable length codes (VLC) by Discrete Memoryless Source model is proposed.

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  • 数值计算结果显示同步变长码误码扩散概率随其移位对称数增加而减少

    The numerical calculation results demonstrate that the error resiliency of SVLC decreases with increasing shift symmetry.

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  • 文中对新构建系统误码性能进行分析,仿真结果表明系统具有理想误码性能多址干扰能力强具有非常广阔的应用前景

    Simulation results show that the system has the ideal bit error rate performance and the high capability of multi-access interference, thus having a broad application future.

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  • 与传统的JPEG标准相比JPEG2000标准采用了离散变换内嵌编码技术从而具有了渐进传输、感兴趣区域压缩误码等新特性。

    Compared with the JPEG standard, JPEG2000 standard adopts some different compress technique, such as the Discrete Wavelet Transform, Embedded Coding and so on.

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  • 此外算法还提高了输出码误码性能编码器精确程度。

    In addition, the new method improves the robustness of video bit stream against channel errors and makes the rate controlling operation of video encoders more accurate.

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  • 相对以往标准H . 264标准拥有更高编码效率更宽范围更好图像质量强的网络友好误码能力

    Compared to earlier standards, The H. 264 standard has a higher coding efficiency, a wider range of bit rate, better image quality, more network-friendly and anti-error capacity.

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  • 该方法是在权衡考虑影响视频主观质量多种因素基础上,并综合了传输、鲁棒性编码解码端错误隐藏等技术误码方法。

    With weighting the factors of video subjective quality, it integrates the technology of transmission, robust coding and error resilience of the decoder.

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  • 提出了一种基于量子神经元量子寄存器的多用户检测方案计算机仿真结果表明:本文提出的检测器误码远近”效应方面均具有良好的性能

    A multiuser detector based on quantum neuron and quantum register is proposed. Computer simulation results show that the method has powerful properties both in bit error rate and near-far resistance.

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  • 现场应用表明站具有能力强,测量精度通讯误码响应速度快等特点。

    Field application reveals the high anti-interference ability, high precision measurement, low error rate communications, and fast response of the sub-station.

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  • 目前H . 264中最新误码方法参数灵活次序冗余片技术

    In H. 264 there are some latest error resilience methods, such as Parameter Set, Flexible Macro-Block Order and Redundancy Slice.

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  • 实验结果表明方案大大增强分级视频数据误码能力,明显改善视频流媒体的传输质量。

    The experiment results show that the proposed scheme can largely improve the error resilience of the scalable video bit stream and the performance of video streaming network transmission system.

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  • 海上实验结果表明传输距离12公里时,系统误码为10 - 2至10 - 3,具有多途起伏干扰能力。

    The field experimental results show: the system provides the performances of anti-interference of multipath and fluctuation, with the bit error rates on the order of 10-2 to 10-3 at distance 12km.

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  • 因此为了获得人眼可接受图像质量必须采取适合的误码措施

    Therefore, proper techniques for error resilience must be applied in order to achieve acceptable quality of restored video.

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  • 通过辅以非均衡差错保护策略,采用灵活条带集技术可以增强关注区域误码能力。

    It' s a new coding layer added between picture and slice layers, which can be used to encode regions of interest.

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  • 通过辅以非均衡差错保护策略,采用灵活条带集技术可以增强关注区域误码能力。

    It' s a new coding layer added between picture and slice layers, which can be used to encode regions of interest.

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