rgb2hsv
-
skimage.color.rgb2hsv(rgb)
[source] -
RGB to HSV color space conversion.
Parameters: rgb : array_like
The image in RGB format, in a 3-D array of shape
(.., .., 3)
.Returns: out : ndarray
The image in HSV format, in a 3-D array of shape
(.., .., 3)
.Raises: ValueError
If
rgb
is not a 3-D array of shape(.., .., 3)
.Notes
The conversion assumes an input data range of [0, 1] for all color components.
Conversion between RGB and HSV color spaces results in some loss of precision, due to integer arithmetic and rounding [R51].
References
[R51] (1, 2) http://en.wikipedia.org/wiki/HSL_and_HSV Examples
>>> from skimage import color >>> from skimage import data >>> img = data.astronaut() >>> img_hsv = color.rgb2hsv(img)
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