P_out_width

this is an good edge detection

瑞利衰落信道仿真，需要的朋友可以参考一下的。(Rayleigh fading channel simulation, the needs of friends can refer to it.)

BPSK信号衰落的仿真；计算BPSK平均，分散与矢量数据的标准差(Evaluation program of fading counter based BPSK transmission scheme calculate mean, dispersion and standard deviation for the vector data)

说明：  非常好的优化文章，介绍了最先进的优化方法，以及多目标的方法(Optimization of very good article about the most advanced optimization methods, and multi-objective approach)

In this paper, a multimodal image fusion algorithm based on multiresolution transform and particle swarm optimization (PSO) is proposed. Firstly, the source images are decomposed into low-frequency coefficients and high-frequency coefficients by the dual-tree complex wavelet transform (DTCWT). Then, the high-frequency coefficients are fused by the maximum selection fusion rule. The low-frequency coefficients are fused by weighted average method based on regions, and the weights are estimated by the PSO to gain optimal fused images. Finally, the fused image is reconstructed by the inverse DTCWT. The experiments demonstrate that the proposed image fusion method can illustrate better performance than the methods based on the DTCWT, the support value transform (SVT), and the nonsubsampled contourlet transform (NSCT).

matlab仿真代码，基于密度的DBSCAN聚类算法，对数据进行聚类处理。(Matlab simulation code, density-based DBSCAN clustering algorithm, clustering data processing.)

详细的kalman滤波程序,对于初学者很有用(kalman filter)

The random walker algorithm was introduced in the paper: Leo Grady and Gareth Funka-Lea, "Multi-Label Image Segmentation for Medical Applications Based on Graph-Theoretic Electrical Potentials", in Proceedings of the 8th ECCV04, Workshop on Computer Vision Approaches to Medical Image Analysis and Mathematical Methods in Biomedical Image Analysis, p. 230-245, May 15th, 2004, Prague, Czech Republic, Springer-Verlag. Available at: http://cns.bu.edu/~lgrady/grady2004multilabel.pdf

遥感盐分反演，介绍了matlab进行数学建模，并采用bp神经网络等内容(Remote sensing of salt inversion, introduced matlab mathematical modeling, and the use of neural networks and other content bp)

说明：  采用五点差分格式解决椭圆问题，这里是3个详例。(Using a five-point difference scheme to solve elliptic problems, here are three detailed examples.)