opencv如何用ORB特征提取并过滤?

  • Z时代
  • 2024-02-20
  • 分类：IT

import sys
import cv2 as cv
import numpy as np
def main_func():
    imgCat = cv.imread("cat.jpg")
    imgSmallCat = cv.imread("smallCat.jpg")
    orb = cv.ORB_create()
    kpCat, desCat = orb.detectAndCompute(imgCat,None)
    kpSmallCat, desSmallCat = orb.detectAndCompute(imgSmallCat, None)
    bf = cv.BFMatcher_create(cv.NORM_HAMMING, crossCheck=True)
    matches = bf.match(desCat, desSmallCat)
    matchImg = cv.drawMatches(imgCat, kpCat, imgSmallCat, kpSmallCat, matches, None)
    cv.imshow("Cat", imgCat)
    cv.imshow("SmallCat", imgSmallCat)
    cv.imshow('match', matchImg)
    cv.waitKey(0)
if __name__ == '__main__':
    main_func()

opencv如何用ORB特征提取并过滤?

cv2.xfeatures2d.SIFT 要老版本opencv
所以不想用SIFT
直接用ORB

比如我只要 横着的线
不要竖着的线

应该怎么过滤

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