... 图像增强，特定应用，空间域算法，频域算法 [gap=1562]Keywords: Image Enhancement, Particular Use, Space Domain Algorithm ,Space Domain Algorithm ...
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Spatial domain algorithm is simple and can hide amount of information but algorithm robustness is bad, the secret message can be very easily destroyed by the filter, the image quantification, the transforming geometry.
空间域算法简便,信息隐藏量大,但是算法的鲁棒性差,隐藏信息很容易为滤波、图像量化、几何变形的操作破坏。
参考来源 - 基于图像分割和小波变换的信息隐藏算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文从非均匀介质中波动方程出发，提出了基于一般标架的相空间（局部角度域）波传播的步进算法。
A phase-space(local angle domain) marching algorithm of wave propagation is proposed in the general frame case, based on the wave equation for inhomogeneous media.
多聚焦图像融合的算法较多，主要由基于空间域和基于频率域的图像融合法组成。
There are many multi-focus image fusion algorithms, mainly consisted of the spatial area based and the frequency area based algorithms.
在此基础上，讨论空间域数字水印算法、变换域数字水印算法以及对数字水印的攻击研究。
On the base, the algorithm of space domain and transform domain and research on the attacks on digital watermarking are discussed.
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