mindspore.dataset.vision.write_jpeg

mindspore.dataset.vision.write_jpeg(filename, image, quality=75)[source]

Write the image data into a JPEG file.

Parameters

  • filename (str) – The path to the file to be written.

  • image (Union[numpy.ndarray, mindspore.Tensor]) – The image data to be written.

  • quality (int, optional) – Quality of the resulting JPEG file, in range of [1, 100]. Default: 75.

Raises

  • TypeError – If filename is not of type str.

  • TypeError – If image is not of type numpy.ndarray or mindspore.Tensor.

  • TypeError – If quality is not of type int.

  • RuntimeError – If the filename does not exist or not a common file.

  • RuntimeError – If the data type of image is not uint8.

  • RuntimeError – If the shape of image is not <H, W> or <H, W, 1> or <H, W, 3>.

  • RuntimeError – If quality is less than 1 or greater than 100.

Supported Platforms:

CPU

Examples

>>> import mindspore.dataset.vision as vision
>>> import numpy as np
>>> # Generate a random image with height=120, width=340, channels=3
>>> image = np.random.randint(256, size=(120, 340, 3), dtype=np.uint8)
>>> vision.write_jpeg("/path/to/file", image)