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Wavelet transform image enhancement
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Image enhancement is an important branch of image processing, it plays an important role to improve the image quality. By selectively stresses some of the information in the image while suppressing other information in order to improve the image's visuals, converts the image into a form more suitable to the human eye and computer analysis and processing of forms. Traditional methods to enhance image contrast increases image noise at the same time, and multi-scale Wavelet transform is multi-resolution decomposition, noise and signal can be separated on different scales, according to the noise distribution law can achieve the goal of image enhancement.
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Wavelet transform image enhancement
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Foggy circumstances, because of atmospheric scattering effect, led outdoor surveillance system captures images of low contrast, scenery is not clear, for production had a certain impact on the lives of human beings, so the decline in foggy conditions quality image sharpening method of research is of great significance.
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