cv2imwrite
cv2.imwrite is a function in OpenCV's Python API that saves an image to a file on disk. It uses the filename extension to determine the encoder and output format (for example, JPEG, PNG, TIFF, or BMP). The function typically writes color images stored in BGR order, but it can also save grayscale images.
The signature is cv2.imwrite(filename, img, params=None) and it returns a boolean value indicating success. The filename
The optional params parameter is a list of encoding parameters specific to the target format. For example,
Return value and behavior: the function returns True if the image was written successfully and False otherwise.
Notes: imwrite relies on the backend libraries available on the system and the file extension to select