文章目錄

• 1、color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'

1、color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’

# -*- coding: utf-8 -*- """ Created on Fri Jan 3 21:06:22 2014@author: duan """ import numpy as np import cv2cap = cv2.VideoCapture(0) while (True):# Capture frame-by-frameret, frame = cap.read()# Our operations on the frame come heregray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)# Display the resulting framecv2.imshow('frame', gray)if cv2.waitKey(1) & 0xFF == ord('q'):break# When everything done, release the capturecap.release()cv2.destroyAllWindows()

報錯：

D:\Yolov3_Tensorflow\python\python.exe D:/Yolov3_Tensorflow/download/test_Intel_realsense/test_camera.py [ WARN:0] terminating async callback Traceback (most recent call last):File "D:/Yolov3_Tensorflow/download/test_Intel_realsense/test_camera.py", line 16, in <module>gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) cv2.error: OpenCV(4.1.0) C:\projects\opencv-python\opencv\modules\imgproc\src\color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor'Process finished with exit code 1

解釋：

錯誤五：cv2.error: OpenCV(4.1.0)
/io/opencv/modules/imgproc/src/color.cpp:182: error: (-215:Assertion
failed) !_src.empty() in function ‘cvtColor’

表示讀入圖片出錯，檢查下攝像頭能否正常驅(qū)動、打開，讀入圖片等等，自己報錯是因為，把攝像頭插在usb分線上會報錯，直接插在usb口上不會報錯。

參考文章1：有關(guān)opencv報錯

參考文章2：解決182: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor’（python+opencv灰度轉(zhuǎn)換）

參考文章3：運(yùn)行報錯error: (-215:Assertion failed) !ssize.empty() in function ‘cv::resize’

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