cvNamedWindow("maximum filter"); cvShowImage("maximum filter",dst); cvSaveImage("maximum filter.jpg",dst); maxminFilter(src,dst,5,5,KCV_MIN); cvNamedWindow("minimum filter"); cvShowImage("minimum filter",dst); cvSaveImage("minimum filter.jpg",dst); maxminFilter(src,dst,5,5,KCV_NMS_M...
下面是封装为类后的代码: classCrackDetector:def__init__(self,input_image_path,output_image_path):self.input_image_path=input_image_pathself.output_image_path=output_image_pathdefdetect_cracks(self):# Read input imageimg=cv2.imread(self.input_image_path)# Convert into gray scalegray=cv2.cvtCol...
193. createGaussianFilter_GPU(cv::createGaussianFilter):creates aGaussian filter engine; 194. GaussianBlur(cv::GaussianBlur):smooths an imageusing the Gaussian filter; 195. getMaxFilter_GPU:create the maximum filter: 196. getMinFilter_GPU:create the minimum filter; 197. class::StereoBM_GPU:class...
self.output_image_path=output_image_pathdefdetect_cracks(self):# Read input imageimg=cv2.imread(self.input_image_path)# Convert into gray scalegray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)# Image processing (smoothing)blur=cv2.blur(gray,(3,3))# Apply logarithmic transformimg_log=(np.log(blur+...
非极大值抑制Non-Maximum Suppression(NMS)一文搞定理论+多平台实现 - 知乎 (zhihu.com) 3.1线性插值法 4) 应用双阈值 (Double-Threshold)检测来确定真实的和潜在的边缘。 img=cv2.imread("lena.jpg",cv2.IMREAD_GRAYSCALE)#读取灰度图 v1=cv2.Canny(img,80,150)#格式:cv2.Canny(img,minval,maxval) v2=cv2...
(normally, rectangular), its neighborhood is considered and used to compute the response. In case of a linear filter, it is a weighted sum of pixel values. In case of morphological operations, it is the minimum or maximum values, and so on. The computed response is stored in the ...
# 将不同滤波器处理的结果,经过 np.maximum 输出每个位置最亮的值 defprocess(img,filters):# zeros_like:返回和输入大小相同,类型相同,用0填满的数组 accum=np.zeros_like(img)forkerninfilters:fimg=cv.filter2D(img,cv.CV_8UC3,kern)# maximum:逐位比较取其大 ...
FilterLayout GUI 将基于称为BaseLayout的通用平面布局类,我们也将在以后的章节中使用它。BaseLayout类被设计为抽象基类。 您可以将此类视为可以应用于我们尚未设计的所有布局的蓝图或秘籍-如果您愿意,可以将其作为骨架类,用作将来所有 GUI 代码的基础。 为了使用抽象类,我们需要以下import语句:...
代码语言:javascript 复制 """ 高斯噪声"""importcv2importmatplotlib.pyplotaspltimportnumpyasnp img=cv2.imread("../img/lena.jpg",1)mu,sigma=0.0,20.0noiseGause=np.random.normal(mu,sigma,img.shape)imgGaussNoise=img+noiseGause imgGaussNoise=np.uint8(cv2.normalize(imgGaussNoise,None,0,255,cv2.NO...
1intmain(intargc,char*argv[])2{3Mat image = imread("D://vvoo//123.jpg",1);4if(!image.data)5{6cout <<"image loading error"<<endl;7return-1;8}9imshow("原图", image);10Mat imageEnhance;11Mat kernel = (Mat_<float>(3,3) <<0, -1,0,0,7,0,0, -1,0);12filter2D(image...