essai-mm1

Hough transform for line detection. (very fast and easy solution). written by : Ebaadat Ghanbari Parmehr. Nov.21.2004. University of Tehran. Faculty of Engineering. Surveying and Geomatics Department. Photogrammetry Devision.

qpsk定时同步算法MATLAB仿真程序(qpsk timing synchronization algorithm MATLAB simulation program)

人脸识别完整程序，包含人脸检测与定位，特征提取与人脸识别环节(Face recognition complete program, including face detection and localization, feature extraction and face recognition.)

说明：  一个实现简单的无机粒子滤波matlab程序，用于学习交流(A simple unscented particle filter matlab program for learning exchanges)

说明：  matlab实现图像边缘检测，书籍源码，gui编程(Image edge detection matlab, book source, gui programming)

　　　以X射线检测焊缝图像为研究对象，针对石油焊管管端焊缝生产检验 中线阵列探测器实时成像的X射线数字图像存在的对比度不高、图像噪声及背景 起伏较大、焊缝边缘模糊且纹理较多的特点。(　　This task takes the X一ray weld seam image as the research object, in view of the X一ray image characteristics of low contrast, high image noise and fluctuated background, fuzzy weld seam edge and more texture with linear diode arrays real一time imaging in the petroleum welded pipe.Matlab simulation software is used to analysis methods of smoothing noise, gray transform enhancement, and image segmentation for image processing.)

低通Chebyshev 1型滤波器，通带边界频率为1500Hz，通带波纹小于3dB，阻带边界频率2000Hz，阻带衰减为40dB，采样频率为8000Hz(Low-pass Chebyshev 1 filter passband edge frequency of 1500Hz, less than 3dB passband ripple, stopband edge frequency 2000Hz, stop-band attenuation of 40 dB, the sampling frequency to 8000Hz)

LS-SVM Leave-One-Out Cross-Validation Demo G. C. Cawley, "Leave-one-out cross-validation based model selection criteria for weighted LS-SVMs", Proceedings of the International Joint Conference on Neural Networks (IJCNN-2006), pages 1661-1668, Vancouver, BC, Canada, July 16-21 2006. (pdf)theoval.cmp.uea.ac.uk/~gcc/matlab/

提供积分算法变步长Gill法代码，欢迎大家探讨！(Variable step integration algorithm to provide long-Gill method code, welcomed everyone to explore!)

最小二乘拟合，包括3次，9次，15次曲线拟合(Least-squares fit, including three times, nine times, 15 times Curve Fitting)