Utilizing the capability of digital watermark to convey side information, an effective error concealment method for reconstructed video is proposed.
利用数字水印传递额外信息的能力，提出了一种有效的视频误码掩盖方法。
Reseatch result shows that watermark detection error is mainly influenced by the watermark mean energy and watermarking capacity. The detection error rises with the increase of watermarking capacity.
研究结果表明，水印检测错误率主要取决于水印的平均能量和水印容量，而且随着水印容量的提高而增加。
In this paper an identifier (id) watermarking algorithm is proposed, which has the characteristics of error-correct, high redundance and adaptive watermark retrieval.
该文提出了一种新的标识符(ID)水印算法，具有误码纠错，水印高度冗余和自适应水印恢复三个特点。
The watermark is processed by convolutional encoding and interleaving before embedding, in order to improve the ability for overcoming error bit rate.
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 strength of the embedded watermark is image-adaptive according to the wavelets quantization noise, and combined with the error-correct code, it improved the characteristic to anti-attack.
根据小波域量化噪声自适应地确定嵌入强度，并结合纠错编码，提高了抗攻击能力。
The results demonstrate that the proposed technique has greatly decreased the error code rate of the retrieved watermark and improved the robustness and invisibility.
实验结果表明，该技术不仅降低了水印在传输过程中的差错率，而且可以达到提高埋藏水印的鲁棒性和隐匿性的目的。
The results demonstrate that the proposed technique has greatly decreased the error code rate of the retrieved watermark and improved the robustness and invisibility.
实验结果表明，该技术不仅降低了水印在传输过程中的差错率，而且可以达到提高埋藏水印的鲁棒性和隐匿性的目的。
应用推荐