采用SP交织算法、纠错编码,给出了一种基于图像的抗突发误码的大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.
水印在嵌入前经过卷积编码和交织处理,以提高其抗误码能力。
The watermark is processed by convolutional encoding and interleaving before embedding, in order to improve the ability for overcoming error bit rate.
与传统的JPEG标准相比,JPEG2000标准采用了离散小波变换、内嵌编码等技术,从而具有了渐进传输、感兴趣区域压缩、抗误码等新特性。
Compared with the JPEG standard, JPEG2000 standard adopts some different compress technique, such as the Discrete Wavelet Transform, Embedded Coding and so on.
该方法是在权衡考虑影响视频主观质量多种因素的基础上,并综合了传输、鲁棒性编码和解码端错误隐藏等技术的抗误码方法。
With weighting the factors of video subjective quality, it integrates the technology of transmission, robust coding and error resilience of the decoder.
仿真结果也表明,这种方法能在比特误码率和码长之间取得一个较好的平衡,而且,编码图像能得到很好的抗噪声性能。
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.
相对于以往的标准,H . 264标准拥有更高的编码效率,更宽的码率范围,更好的图像质量,更强的网络友好性和抗误码能力。
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.
此外,新算法还提高了输出码流的抗误码性能和编码器流控的精确程度。
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.
此外,新算法还提高了输出码流的抗误码性能和编码器流控的精确程度。
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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