D:\python\hpy_py\pythonProject\.venv\op.py:2: SyntaxWarning: invalid escape sequence '\p' img = cv.imread("D:\python\hpy_py\shiiue\feng2.png")[ WARN:0@0.012] global 网页链接 cv::findDecoder imread_('D:\python\hpy_py\shiiueeng2.png'): can't open/read file: check file path/integrityTraceback (most recent call last): File "D:\python\hpy_py\pythonProject\.venv\op.py", line 4, in <module> cv.imshow("Display window", img)cv2.error: OpenCV(4.9.0) D:\a\opencv-python\opencv-python\opencv\modules\highgui\src\window.cpp:971: error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'cv::imshow'