常见水印攻击对灰度图像多个位平面噪声研究 关键词：Stirmark；水印攻击；位平面；噪声分布；鲁棒性 [gap=1281]Key words：Stirmark；watermark attack；bit planes；noise distribution；robustness
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bit-planes matching 位平面匹配
bit-planes image 位平面图像
the residual significant bit planes 剩余有效位平面
variable bit planes 变长位平面
bit-planes cover-Media 位平面替换
Bit-planes differenctial change detection 比特层差分运动变化检测
Bit planes are coded by context format (CF) modules in parallel.
采用与位平面数目相同的上下文形成模块实现位平面并行处理。
The experimental results show that our method achieves higher PSNR and better subjective effects than other methods even when fewer bit planes are transmitted.
实验结果表明，该方法能在传输较少比特平面时提高重构帧的PSNR和主观质量。
Comprehensively considering the image compression and robust transmission, underwater image progressive transmission based on bit planes was put forward in this paper.
针对水声信道高噪、强干扰、传输时延大、带宽很窄等特点，本文基于位平面对水声图像传输进行了研究。
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