mmcv.image.rescale_size¶

mmcv.image.rescale_size(old_size: tuple, scale: Union[float, int, tuple], return_scale: bool = False) → tuple [source]¶

Calculate the new size to be rescaled to.

Parameters

old_size (tuple[int]) – The old size (w, h) of image.
scale (float | tuple[int]) – The scaling factor or maximum size. If it is a float number, then the image will be rescaled by this factor, else if it is a tuple of 2 integers, then the image will be rescaled as large as possible within the scale.
return_scale (bool) – Whether to return the scaling factor besides the rescaled image size.

Returns

The new rescaled image size.

Return type

tuple[int]