How to read and display an image in OpenCV?

Sharad Jaiswal
Sharad Jaiswal

Posted On: Feb 22, 2018

 

The cv2.imread() and cv2.imshow() method is used by the OpenCV to read and show images.

  • Cv2.imread() - It requires an argument that is the path of the image file. The second option is optional. They are cv2.IMREAD_COLOR, cv2.IMREAD_GRAYSCALE, cv2.IMREAAD_UNCHANGED and they define to load a colored image, grayscale image, and load image with the alpha channel. This method returns the numpy array that contains the pixel values of the image in RGB.
  • Cv2.imshow() - It accepts two argument. The first is the name of the window where the image should be displayed and the second argument is the name of the image itself.

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