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...
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.cvtColor(img,cv2.COLOR_BGR2GRA...
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...
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...
然后,派生自该类的任何类,例如FilterLayout,都必须指定具有该确切签名的方法的完全充实的实现。 稍后您将看到,这将使我们能够创建自定义布局。但是首先,让我们进入 GUI 构造器。GUI 构造器BaseLayout构造器接受一个 ID(-1),一个标题字符串(‘Fun with Filters’),一个视频捕获对象以及一个可选参数,该参数指定每秒...
(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 ...
1．程序界面 该程序界面上的各控件都用数字序号①，②，③，…标注，其名称、类型及属性设置见表21.1。序号 名称 ① viewLabel 类型QLabel 属性设置 geometry:宽度600,高度386;frameShape:Box;frameShadow:Sunken;text:空 ② contrastVerticalSlider QSlider maximum:100;value:33;tickPosition:TicksBelow;...
6. minMaxLoc(cvMinMaxLoc):finds the global minimum andmaximum in a whole array or sub-array; 7. namedWindow(cvNamedWindow):creates a window; 8. destroyWindow(cvDestroyWindow):destroys a window; 9. destroyAllWindows(cvDestroyAllWindows):destroys all of the HighGUIwindows; ...
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...
kernel=np.array([[1,1,1],[1,-8,1],[1,1,1]])dst=cv.filter2D(image,cv.CV_32F,kernel)lpls_2=cv.convertScaleAbs(dst)cv.imshow("Laplace_2",lpls_2)if__name__=="__main__":src=cv.imread(r"./test/018.jpg")src=cv.resize(src,None,fx=0.5,fy=0.5)cv.imshow...