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- 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
svd_lmmse
- OFDM系统中基于奇异值分解降秩的MMSE信道估计算法,非常经典-OFDM channel estimation by singular value decomposition.pdf
SVD-based-watermarking
- 基于SVD的DCT域和DWT域的经典水印算法,该算法通过提取水印水印的主成分并把该主成分嵌入到奇异值矩阵,鲁邦性非常高。-the principal components of the watermark are embedded into the host image in discrete cosine transform (DCT) and for the second method, those are embedded into the host image in discrete
Analysis-KSVD-IEEE-TSP
- 稀疏字典学习的K-SVD法介绍的论文,是算法的理论基础。-Sparse Dictionary Learning K-SVD method presented papers, the theoretical basis of the algorithm.
MVDR
- 奇异值分解波束形成,自适应波束形成仿真。由均匀线阵形式,确定阵列的导向矢量;由阵列导向矢量,对接收信号进行建模仿真;根据约束条件,实现自适应波束形成算法;考察算法性能与信噪比,采样率,观测时间等参数的关系。 -SVD beamforming, adaptive beamforming simulation. Form by the ULA to determine the array steering vector by the array steering vector, the rec
estimation-algorithm-
- 基于SVD和Toeplitz的高效DOA估计算法-Toeplitz estimation algorithm based on SVD and efficient DOA
DOA-Chen-
- 基于增广数据陈SVD的MNM 信号DOA估计算法-Estimation algorithm based on the augmented data signal DOA Chen SVD of MNM
KSVD-of-speech-enhancemant
- 基于字典学习的语音增强中字典更新的算法,称作近似K-SVD算法,其中包含了OMP算法用于稀疏编码计算系数矩阵-Dictionary-based learning dictionary speech enhancement algorithm update, called approximate K-SVD algorithm, which contains the sparse coding algorithm is used to calculate the coefficient matri
K-SVD
- K均值,K-SVD算法,字典学习,英文版算法的翻译-K-means, K-SVD algorithm, dictionary learning algorithm in English translation
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- 一个SVD-QR合作节点选择算法为基础的虚拟MIMO的WSN -源码-An SVD-QR cooperative node selection algorithm based virtual MIMO in WSN- source
Channel-Estimation-Algorithm-
- 基于EMD-SVD差分谱的DWT域LMMSE自适应信道估计算法-An Adaptive Channel Estimation Algorithm for DWT Domain Based on EMD- SVD Differential Spectrum
SVD原理
- 介绍了SVD算法的由来以及数学原理,使读者更清晰的了解该算法的原理