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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
Smooth-Music
- Smooth-Music ，Direction of Arrival Estimation In a communication situation, assuming flat fading,there may be multipath components from many directions. These components would be correlated with each other. Correlated components reduce the rank of
KN_rank_estimation
- 信号源数目估计,A matlab implementation of the rank estimation algorithm,Determining the number of components in a factor model from limited noisy data-Signal source number estimation, A matlab implementation of the rank estimation algorithm, Determining the
ISARcode
- ISAR成像 包络对齐采用相关法对齐，相位聚焦采用多普勒中心跟踪法 和秩估计法-ISAR imaging envelope alignment using correlation method align phase focusing using the Doppler centroid tracking method and rank estimation method
matlab
- test2: 一、 基本最小二乘法一次算法 二、 基本最小二乘法递推算法 三、 最小二乘遗忘因子一次完成算法 四、 最小二乘遗忘因子递推算法 五、 最小二乘限定记忆算法 六、 最小二乘偏差补偿算法 七、 增广最小二乘算法 八、 广义最小二乘算法 test3: 一、 辅助变量自适应滤波算法 二、 辅助变量纯滞后算法 三、 辅助变量Tally原理算法 四、 多级最小二乘算法 五、 各类改进最小二乘算法的特点 test4: 1、 第二类随
base-paper2
- Abstract—A novel algorithm to remove rain or snow streaks a video sequence using temporal correlation and low-rank matrix completion is proposed in this paper. Based on the observation that rain streaks are too small and move too fast to aff
U
- 针对弱噪声情况，根据Hankel矩阵的秩估计模型的阶次，内涵数据，可直接运行。-For weak noise situation, according to Hankel matrix rank estimation model order, connotation data can be run directly.
paper2
- Channel Estimation for Millimeter Wave MIMO-OFDM Systems via Low-Rank Tensor Decomposition
1-comp
- In this paper, we investigate blind channel estimation for Multiple Input Multiple Output (MIMO) multi-carrier CDMA (MC-CDMA) systems in the uplink scenario. An Autocorrelation Contribution Matrix (ACM) method is proposed in comparison with the sub
__RARE_DOA_ALGORITHM_CRB__
- DOA estimation with rare algorithm and crb