The strategy of segment transform and the whole wavelet coefficients modification is adopted to improve the robustness of the digital watermark.
采纳分段变换及整体修改策略,增强了数字水印嵌入的稳定性;
This paper adopts watershed transform to segment those images, but this method easily products the over segmentation which results in the edge line buried in disorderly watershed line.
本文采用分水岭变换对尿沉渣图像进行分割,但此算法容易造成图像的过分割,导致图像的轮廓线掩埋在杂乱的分水岭线中。
In order to extend the spatial describing ability of ICA basis images, wavelet transform was combined with ICA, which make it be able to segment texture images with large textons.
把小波变换和ICA算法相结合,扩展ICA纹理基元的空间尺度描述能力,使其能准确分割有较大纹理结构的纹理图像。
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