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Opening and closing are compound operators of morphological image processing which can be used to fill holes in objects and remove small undesirable objects.

Dear colleagues! I uploaded sample code for SIMPLE-algorithm and solving lid-driven cavity flow test. 2-D Lid Driven Cavity (Matlab)

用matlab实现的最小二乘拟合圆，能输出半斤，圆心坐标，拟合误差等等(a program for cirfit)

捷联惯导初始对准程序，主惯导与子惯导初始对准(SINS initial alignment procedure, the main INS and sub-inertial alignment)

implementation of KLT CORNER DETECTOR

Newton下山法的计算程序，通过它可以求解复杂函数的根(Newton downhill method the computer program, through which can solve the root of complex functions)

sift原程序，对之前版本的一些地方进行了重要修改，算法健壮可靠，可直接运行。(Sift matlab codes which modified the former version and fixed some big problems.The rusult is reliable and robust.The program can execute directly.)

pattern recognistion book discribing baylesion classification

MRI brain scan for matlab sedgmentation

discrete continuous transform used in mobile communication, perfectly analyzed.