cv3.io.imdecode

cv3.io.imdecode(buf, flag)[source]

Decode an image from a buffer.

Parameters:

buf (numpy.ndarray) – Buffer containing the image data.
flag (int or str) – Flag specifying the color type of the decoded image. Can be one of: ‘color’, ‘gray’, ‘alpha’, ‘unchanged’ or OpenCV flags.

Returns:

Decoded image.

Return type:

numpy.ndarray

Example

>>> import cv3
>>> import numpy as np
>>> # Read image file as bytes
>>> with open('image.jpg', 'rb') as f:
...     buf = np.frombuffer(f.read(), dtype=np.uint8)
>>> # Decode image
>>> img = cv3.imdecode(buf, 'color')