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我試圖偵測的利益點(關鍵點)在作爲指紋識別munitiaes:opencv的cornerHarris錯誤
import cv2 as cv
import numpy as np
input = cv.imread("C:\Users\ADNAN\Desktop\FingClass.png");
input2 = cv.threshold(input,127,255,cv.THRESH_BINARY)[1];
dst = cv.cornerHarris(input2,2,3,0.04);
但cornerHarris拋出一個錯誤,我不明白
cv2.error: C:\builds\master_PackSlaveAddon-win32-vc12èstativ\opencv\modules\imgproc\src\corner.cpp:287: rror: (-215) src.type() == cv_8uc1 || src.type() == cv_32FC1 in function cv::cornerEigenValsVecs