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摘要:为了实现图像的细节增强，特别是纹理细节增强，同时尽可能保持图像的结构完整，提出了一种基于双边纹理滤波的图像多尺度分解方法。首先，对图像进行多尺度双边纹理滤波分解，分别得到一幅基本图像和一系列细节纹理图像。接着，类似于小波增强方法，对细节图像采用多尺度自适应增强方法，得到一系列增强后的纹理细节图像。最后，将基本图像和增强后细节图像相加，重构出最后的增强图像。实验结果表明：本文提出的增强方法能够在突出边缘的同时，较好地增强图像中的纹理细节信息。将基于双边纹理滤波的多尺度分解引入图像增强，能更好地体现图像纹理细节特征，为增强图像提供更加丰富的信息。Abstract:In order to realize image enhancement, especially in texture details, and preserve the structure integrity of image, we propose a multi-scale bilateral texture filter based image decomposition method and a multi-scale adaptive enhancement strategy. First, we decompose the source images by multi-scale bilateral texture filter, and a structure image and a series of detailed images are obtained. Then,we adopt a multi-scale adaptive enhancement for the detailed images. Finally, the enhanced image can be reconstructed by adding the structure based image and the enhanced detailed images. Experiments show that the presented method can enhance the structure information and detailed information in the enhanced image. The proposed method can better reflect the image details, and provide more abundant texture information when introducing the multi-scale bilateral texture filter decomposition into image enhancement.
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图 1双边纹理滤波处理效果图
Figure 1.Overall process and intermediate images of our bilateral texture filtering
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