西昌城乡规划与建设局网站,如何在各大平台推广,php网站建设设计制作方案,网站开发啊通过直方图反向投影#xff0c;根据目标衣服颜色的特征来进行定位
cv2.calcHist([roi_hsv],[0,1],None,[32,48],[0,180,0,256])其中[32,48]表示bin的个数#xff0c;可以修改#xff0c;当然范围越小越精确
import cv2
import numpy as np
from matplotlib import pyplot …通过直方图反向投影根据目标衣服颜色的特征来进行定位
cv2.calcHist([roi_hsv],[0,1],None,[32,48],[0,180,0,256])其中[32,48]表示bin的个数可以修改当然范围越小越精确
import cv2
import numpy as np
from matplotlib import pyplot as pltdef back_projection():sample cv2.imread(rG:\Juptyer_workspace\study\opencv\opencv3\yg1.jpg)target cv2.imread(rG:\Juptyer_workspace\study\opencv\opencv3\yg.jpg)roi_hsv cv2.cvtColor(sample,cv2.COLOR_BGR2HSV)target_hsv cv2.cvtColor(target,cv2.COLOR_BGR2HSV)cv2.imshow(sample,sample)cv2.imshow(target,target)roiHist cv2.calcHist([roi_hsv],[0,1],None,[32,48],[0,180,0,256])cv2.normalize(roiHist,roiHist,0,255,cv2.NORM_MINMAX)dst cv2.calcBackProject([target_hsv],[0,1],roiHist,[0,180,0,256],1)cv2.imshow(back_projection,dst)back_projection()
cv2.waitKey(0)
cv2.destroyAllWindows()效果图如下
