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W-SVD
- SVD图像处理，MATLAB程序 变换域小波处理程序-SVD image processing, MATLAB wavelet transform domain processing procedures
3
- 摘要:为了提高图像复原算法的性能 ,提出了一种改进的奇异值分解法估计图像的点扩散函数。从图像的退化离散模型 出发 ,对图像进行逐层分块奇异值分解 ,并自动选取奇异值重组阶数以减少噪声对估计的影响。利用理想图像奇异值向 量平均能谱指数模型 ,估计点扩散函数奇异值向量的频谱 ,再反傅里叶变换得到其时域结果。实验结果表明 ,该方法能 在不同信噪比情况下估计成像系统的点扩散函数 ,估计结果比原有估计方法有所提高 ,有望为图像复原算法的预处理提 供一种有效的手段。-Abstract : T
Algorithm-collections-for-digital-signal---E.-S.-
- SUMMARY: The Algorithms such as SVD, Eigen decomposition, Gaussian Mixture Model, HMM etc. are scattered in different fields. There is the need to collect all such algorithms for quick reference. Also there is the need to view such algorithms in ap
DWT___SVD_robust_and_secure_watermarking_scheme.z
- digital watermarking matlab GUI code. Wavelet transform dwt in combination with the svd algorithm
SVD
- The matlab code for Highpass filters
pinve_svd_qr
- calcul psodo inverse , svd decomposition , QR decomposition , matlab codes