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ENH: Adding tests for new stain separation functions.

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This commit is contained in:
spotter
2013-03-12 16:15:41 +01:00
parent f48097c5ca
commit c43986d6d6
2 changed files with 19 additions and 0 deletions
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skimage/color/colorconv.py
+1
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@@ -46,6 +46,7 @@ from __future__ import division
__all__ = ['convert_colorspace', 'rgb2hsv', 'hsv2rgb', 'rgb2xyz', 'xyz2rgb',
'rgb2rgbcie', 'rgbcie2rgb', 'rgb2grey', 'rgb2gray', 'gray2rgb',
'xyz2lab', 'lab2xyz', 'lab2rgb', 'rgb2lab', 'rgb2hed', 'hed2rgb',
'separate_stains', 'combine_stains',
'is_rgb', 'is_gray'
]
skimage/color/tests/test_colorconv.py
+18
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@@ -22,6 +22,8 @@ from skimage.color import (
rgb2hsv, hsv2rgb,
rgb2xyz, xyz2rgb,
rgb2hed, hed2rgb,
separate_stains,
combine_stains,
rgb2rgbcie, rgbcie2rgb,
convert_colorspace,
rgb2grey, gray2rgb,
@@ -132,6 +134,22 @@ class TestColorconv(TestCase):
img_rgb = img_as_float(self.img_rgb)
assert_array_almost_equal(hed2rgb(rgb2hed(img_rgb)), img_rgb)
# RGB<->HDX roundtrip with ubyte image
def test_hdx_rgb_roundtrip(self):
from skimage.color.colorconv import hdx_from_rgb, rgb_from_hdx
img_rgb = self.img_rgb
conv = combine_stains(separate_stains(img_rgb, hdx_from_rgb),
rgb_from_hdx)
assert_equal(img_as_ubyte(conv), img_rgb)
# RGB<->HDX roundtrip with ubyte image
def test_hdx_rgb_roundtrip(self):
from skimage.color.colorconv import hdx_from_rgb, rgb_from_hdx
img_rgb = img_as_float(self.img_rgb)
conv = combine_stains(separate_stains(img_rgb, hdx_from_rgb),
rgb_from_hdx)
assert_array_almost_equal(conv, img_rgb)
# RGB to RGB CIE
def test_rgb2rgbcie_conversion(self):
gt = np.array([[[ 0.1488856 , 0.18288098, 0.19277574],