Crop_photo

sar 图像定标程序，由灰度值计算后向散射系数(sar image calibration)

用画笔绘制圆角矩形，椭圆，饼形，并用不同颜色画刷进行填充。(Draw a rounded rectangle, ellipse, pie with a brush, and brush with a different color fill.)

计算信噪比的测试程序代码，利用对比敏感度函数（CSF）测量失真图像的空间频率。(Calculation of the test code SNR, the contrast sensitivity function (CSF) measurement of the spatial frequency of image distortion.)

用于小位移和桥梁形变的测量,非常好的一个算法,对研究匹配的也有参考价值,QQ:526289(for small displacement and deformation of the bridge measurement, a very good algorithm, the study also match the reference value, QQ : 526289)

free image to be used freely

说明：  本人依据一篇文献介绍的方法编的彩色图像边缘检测程序，其效果要由于一般的方法。(literature on the basis of a methodology for the Color Edge Detection procedures, the effect due to the general approach.)

包含了主要的图像质量评价的matlab源程序。图像熵，图像的方差和，以及基于边缘检测算子的质量评价函数。(Contains the main image quality evaluation of the matlab source code. Image entropy, variance and images, as well as edge detection operator based on the quality of the evaluation function.)

在matlab的环境中，使用了当前用于跟踪预测的相关向量机方法对被测对象的失效过程进程进行跟踪评估。(tracking)

：％中值滤波％otsu 自动阈值计算％利用4个方向的roberts和进行边缘提取,并二值化％膨胀处理- Otsu median filter automatically calculate threshold using 4 direction roberts and edge detection and binarization expansion deal(Otsu median filter automatically calculate threshold using 4 direction roberts and edge detection and binarization expansion deal)

比较简单的jpeg编码解码程序.( Compared with simple jpeg code decoding procedure )