Ma Nan
ce397b35aa
fix: contrast formulation cause leak of high value fix: empty series_id cause fail to read chore: restructure folder chore!: change layer vars BREAKING CHANGE: not support 4.1 any more
38 lines
969 B
Python
38 lines
969 B
Python
import numpy as np
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def convert_to_float(image, preserve_range):
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"""Convert input image to float image with the appropriate range.
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Parameters
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----------
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image : ndarray
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Input image.
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preserve_range : bool
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Determines if the range of the image should be kept or transformed
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using img_as_float. Also see
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https://scikit-image.org/docs/dev/user_guide/data_types.html
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Notes
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-----
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* Input images with `float32` data type are not upcast.
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Returns
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-------
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image : ndarray
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Transformed version of the input.
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"""
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if image.dtype == np.float16:
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return image.astype(np.float32)
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if preserve_range:
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# Convert image to double only if it is not single or double
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# precision float
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if image.dtype.char not in 'df':
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image = image.astype(float)
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else:
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from .dtype import img_as_float
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image = img_as_float(image)
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return image
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