#OPENCV CONVERT IMAGE FORMAT HOW TO#
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Our script then saved the image to disk using the JPG format, taking advantage of OpenCV’s ability to automatically convert the image to the desired file type. We have also printed the image dimensions to the terminal ( width, height, and number of channels), based on the values of the underlying NumPy array shape. The function will fail if the file does not exist or if the image format is unsupported by OpenCV. If an image cannot be read by OpenCV, you should carefully check if the input filename was given correctly, as the cv2.imread function returns a NoneType Python object upon failure. The library also simplifies displaying an image on screen and allowing user interaction with the opened window. OpenCV conveniently handles reading and writing a wide variety of image file formats (e.g., JPG, PNG, TIFF).

Save the image back to disk with cv2.imwrite.Display the image on screen with cv2.imshow.Load an image from disk as a NumPy array using the cv2.imread function.✓ Access on mobile, laptop, desktop, etc.Ĭlick here to join PyImageSearch University Summary.✓ Easy one-click downloads for code, datasets, pre-trained models, etc.

#OPENCV CONVERT IMAGE FORMAT CODE#

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#OPENCV CONVERT IMAGE FORMAT HOW TO#

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Opencv convert image format