An Image Decompression Method Based on Lifting Format 9/7 Wavelet Inverse Transform
A wavelet inverse transform and decompression technology, applied in image communication, television, electrical components, etc., can solve problems not suitable for non-Euclidean space, etc., and achieve the effects of reducing repetitive calculations, short delays, and reducing processing time
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[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] The rapid implementation method of wavelet inverse transform provided by the present invention is mainly proposed for the wavelet inverse transform with higher processing speed requirement in the image decompression system, such as the 9 / 7 wavelet inverse transform based on lifting format. In the following, the specific implementation steps of the present invention will be described in detail by taking the 9 / 7 wavelet inverse transform as an example. But obviously, the method provided by the present invention can also be used for other types of wavelet inverse transforms based on lifting formats, and the beneficial effects obtained are also similar. The detailed description is expanded below.
[0037] see figure 1 As shown in the image decompression flow chart, the image decompression includes the following steps:
[0038] S...
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