我是OpenCV的新手,我在运行模板匹配代码时遇到声明失败错误。错误消息如下OpenCV错误:声明失败(scn == 3 || scn == 4)在cvtColor
OpenCV Error: Assertion failed (scn == 3 || scn == 4) in cvtColor,
file /home/travis/miniconda/conda-bld/conda_1485299292920/work/opencv-
3.2.0/modules/imgproc/src/color.cpp, line 9748
Traceback (most recent call last):
File "opencv_basics.py", line 6, in <module>
img_gray = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)
cv2.error: /home/travis/miniconda/conda-
bld/conda_1485299292920/work/opencv-
3.2.0/modules/imgproc/src/color.cpp:9748: error: (-215) scn == 3 ||
scn == 4 in function cvtColor
这是我试图运行的代码。
import cv2
import numpy as np
#Template Matching
img_rgb = cv2.imread('opencv-template-matching-python-tutorial.jpg')
img_gray = cv2.cvtColor(img_rgb, cv2.COLOR_BGR2GRAY)
template = cv2.imread('opencv-template-for-matching.jpg',0)
w, h = template.shape[::-1]
res = cv2.matchTemplate(img_gray,template,cv2.TM_CCOEFF_NORMED)
threshold = 0.8
loc = np.where(res >= threshold)
for pt in zip(*loc[::-1]):
cv2.rectangle(img_rgb, pt, (pt[0] + w, pt[1] + h), (0,255,255), 2)
cv2.imshow('Detected',img_rgb)
的GDrive的文件夹链接使用的图像是here
我尝试重新安装opencv3却是徒劳的。 我使用python 3.5和OpenCV 3.2.0。 在你解决我的问题之前,我阅读了同样问题的其他问题,但他们不适合我。
谢谢,船长。 – papabiceps