Laser underwater imaged image denoising and enhancing method for ocean exploration
An image and laser technology, used in image enhancement, image data processing, instruments, etc., can solve the problems of blurred images and large noise, and achieve the effect of improving image contrast and overcoming block effect.
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[0051] Embodiment: the computer simulation analysis of the inventive method
[0052] Figures 3-1 to 3-4 It is a comparison chart of the effect of different denoising and enhancement methods for 4 real laser underwater imaging images; in each group of comparison pictures (a) is the original image, (b) is the local histogram method denoising and enhancement image, (c) denoises and enhances the image by the wavelet method, and (d) denoises and enhances the image by the method of the present invention.
[0053] We can see that the method of the present invention effectively solves the problems of low contrast and obvious noise of laser underwater imaging images. Compared with the local histogram method and the wavelet method, the method of the present invention effectively overcomes the block effect caused by the local histogram method, solves the problems of large noise and image blur caused by image wavelet enhancement, and effectively suppresses image distortion while realizi...
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