apex_ditecpsf

巴特沃斯低通滤波器的C语言实现原理以及程序，对理解滤波器原理有很好的帮助(Butterworth low-pass filter, and a program in C language implementation principle for understanding the principles of good help filter)

二维Otsu法图像分割matlab代码，可进行图像分割计算。(Two-dimensional Otsu method matlab code for image segmentation, image segmentation can be calculated.)

压缩文件里有四种图像分割的算法源代码，即阈值法、区域增长法、分裂合并法和K均值法。图片可用于检验。(The rar folder includes four source code of image segmentation,ie.thresholding, region growing, splitting and merging, kmeans. The images are able to be used for evaluation and verification. )

可见光波长和颜色的对应生成代码，可以保存问为图片(Corresponding to the wavelength of visible light and color to generate code that can be saved to ask for the picture)

说明：  打包的二维三维图形图像处理源代码 稀有资源(packed 2D and 3D graphics processing source of scarce resources)

求图像在hsv颜色空间下三个通道的颜色矩(colormoment in hsv colorspace)

目前最重要的图像变化检测评价标准：roc曲线，以及roc曲线下面积。(ROC curve of image change detection)

用matlab对指纹识别图像算法的实现，包括分割，增强，二值化，细化，提取和匹配(Using matlab fingerprint image algorithm, including segmentation, enhancement, binarization, thinning, extraction and matching)

这是完整的一套人脸表情识别,从样本训练到目标的识别.采用PCA来提取特征(This is the complete set of Facial Expression Recognition from the sample to the target identification training. Using PCA to extract the characteristics of)

圆形，孔型工件的尺寸测量，主要采用canny算子检测边缘，并进行亚像素细分，还有GUI，测量精度在0.1mm(Circular hole workpiece size measurement using canny operator edge detection and subpixel, as well as GUI, measurement accuracy of 0.1mm)