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implemented CvMat#threshold, modified CvMat#threshold_* to return threshold value calculated in Otsu's algorithm.

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ser1zw 2011-01-30 03:49:47 +09:00
parent 6b6a771207
commit b61adde119
5 changed files with 162 additions and 25 deletions
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16
test/test_opencv.rb
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@ -43,6 +43,14 @@ class TestOpenCV < OpenCVTestCase
assert_equal(2, CV_GAUSSIAN)
assert_equal(3, CV_MEDIAN)
assert_equal(4, CV_BILATERAL)
# Thresholding types
assert_equal(0, CV_THRESH_BINARY)
assert_equal(1, CV_THRESH_BINARY_INV)
assert_equal(2, CV_THRESH_TRUNC)
assert_equal(3, CV_THRESH_TOZERO)
assert_equal(4, CV_THRESH_TOZERO_INV)
assert_equal(8, CV_THRESH_OTSU)
end
def test_symbols
@ -129,6 +137,14 @@ class TestOpenCV < OpenCVTestCase
assert_equal(2, SMOOTHING_TYPE[:gaussian])
assert_equal(3, SMOOTHING_TYPE[:median])
assert_equal(4, SMOOTHING_TYPE[:bilateral])
# Thresholding types
assert_equal(0, THRESHOLD_TYPE[:binary])
assert_equal(1, THRESHOLD_TYPE[:binary_inv])
assert_equal(2, THRESHOLD_TYPE[:trunc])
assert_equal(3, THRESHOLD_TYPE[:tozero])
assert_equal(4, THRESHOLD_TYPE[:tozero_inv])
assert_equal(8, THRESHOLD_TYPE[:otsu])
end
def test_cvt_color_funcs