dst = cv2.pointPolygonTest(cnt,(50,50),True) print dst #图像的掩模 mask = np.zeros(imgr.shape,np.uint8) cv2.drawContours(mask,[cnt],0,255,-1) cv2.imshow('1',imgr) cv2.waitKey(0) cv2.destroyAllWindows() import cv2 import numpy as np from matplotlib import pyplot as plt #直方图 ...
cv2.drawContours(img,contours[0],0,(0,0,255),3) cv2.drawContours(img,contours[1],0,(0,0,255),3) 1. 2. 3. 分别绘制两个轮廓,同时通过: print(len(contours[0])) print(len(contours[1])) ''' 结果如下: 4 368 ''' 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 输...
(src1.MAT, src2.MAT)) Return dst } Static DrawContours(image, contours, contourIdx, color, thickness := 1, lineType := 8, hierarchy := CV2.MAT()) { contours := ComArrayMake(contours) color := ComArrayMake(color) this.CV.DrawContours(image.MAT, contours, contourIdx, color, ...
contours, _ = cv2.findContours(bordes, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_NONE) cv2.drawContours(img, contours, -1, (255, 0, 0), 2) for i in contours: x, y, w, h = cv2.boundingRect(i) center = ((x+x+w)//2, (y+y+h)//2) cv2.circle(img, (center), 2, (255, 0, ...
(temp) #seq=cv.FindContours(cv.fromarray(dst),self.mem,cv.CV_RETR_EXTERNAL,cv.CV_CHAIN_APPROX_SIMPLE) #cntr,h=cv2.findContours(dst,cv.CV_RETR_EXTERNAL,cv.CV_CHAIN_APPROX_SIMPLE) #print cntr,h #cv.DrawContours(cv.fromarray(temp),seq,(255,255,255),(255,255,255),1,cv.CV_FILLED) ...
cv2.drawContours(image, [c], -1, (0, 255, 0), 2) cv2.imshow("Image", image) cv2.waitKey(0) cv.drawContours(image, [c], -1, (0, 255, 0), 2) cv.imshow("Image", image) cv.waitKey(0) 18 changes: 9 additions & 9 deletions 18 modules/ximgproc/samples/selectivesearchse...
(src1.MAT, src2.MAT)) Return dst } Static DrawContours(image, contours, contourIdx, color, thickness := 1, lineType := 8, hierarchy := CV2.MAT()) { contours := ComArrayMake(contours) color := ComArrayMake(color) this.CV.DrawContours(image.MAT, contours, contourIdx, color, ...
res = cv.drawContours(draw_img,contours,-1,(0,255,0),2) #输入原图,轮廓,所有轮廓,轮廓颜色,线条粗细 cv.imshow("res",res) cv.waitKey(0) cv.destroyAllWindows() #边界轮廓做近似,以下为近似的函数,类似于二分法,最大高度差与阈值作比较,小于阈值则可以近似,抑制一般设置周长的多少倍 ...
cv2.drawContours(gray,contours,-1,(255,255,0),3) #绘制白色轮廓 plt.figure(figsize=(10,10)) plt.subplot(1,2,1) plt.imshow(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))#BGR转RGB plt.xlabel(u'hand.png') plt.subplot(1,2,2) plt.imshow(cv2.cvtColor(gray, cv2.COLOR_BGR2RGB)) ...
Static DrawContours(image, contours, contourIdx, color, thickness := 1, lineType := 8, hierarchy := CV2.MAT_Init()) { contours := ComArrayMake(contours) color := ComArrayMake(color) this.CV.DrawContours(image.MAT, contours, contourIdx, color, thickness, lineType, hierarchy)...