Multifunctional image processing method based on wavelet transform
A wavelet transform and image processing technology, applied in the field of image processing, can solve problems such as unfavorable image analysis and processing, difficult to identify details, and images containing noise
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[0071] Such as figure 1 , figure 2 As shown, the present invention provides a multifunctional image processing method based on wavelet transform, specifically including: wavelet image reconstruction, wavelet image compression, and wavelet image enhancement.
[0072] For wavelet image decomposition and reconstruction: a multi-layer two-dimensional discrete wavelet reconstruction algorithm is adopted, and the processing steps are as follows:
[0073] ①Use the sym4 function to decompose the image;
[0074] ② Use the sym4 function to reconstruct the image;
[0075] ③ Use the formula to detect the reconstruction error.
[0076] Different from Fourier analysis, the wavelet base (wavelet function) is not the only one. Different application environments can choose different wavelet functions. In image processing, the symmetry of wavelet is used to avoid phase shift in image processing, and the vanishing moment order The wavelet transform with a large number makes the energy more ...
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