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modify CvMat#normalize to take an optional operation mask.

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This commit is contained in:
ser1zw 2012-10-02 00:23:07 +09:00
parent e0b0a5ed24
commit 42cd2bd9d1
2 changed files with 22 additions and 3 deletions
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11
ext/opencv/cvmat.cpp
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@ -2393,8 +2393,8 @@ rb_abs_diff(VALUE self, VALUE val)
VALUE
rb_normalize(int argc, VALUE *argv, VALUE self)
{
VALUE alphaVal, betaVal, normTypeVal;
rb_scan_args(argc, argv, "03", &alphaVal, &betaVal, &normTypeVal);
VALUE alphaVal, betaVal, normTypeVal, maskVal;
rb_scan_args(argc, argv, "04", &alphaVal, &betaVal, &normTypeVal, &maskVal);
const double alpha = alphaVal != Qnil ? NUM2DBL(alphaVal) : 1.0;
const double beta = betaVal != Qnil ? NUM2DBL(betaVal) : 0.0;
@ -2405,11 +2405,18 @@ rb_normalize(int argc, VALUE *argv, VALUE self)
const cv::Mat selfMat(CVMAT(self));
cv::Mat destMat(CVMAT(dest));
if (NIL_P(maskVal)) {
cv::normalize(selfMat, destMat, alpha, beta, normType);
}
else {
cv::Mat maskMat(MASK(maskVal));
cv::normalize(selfMat, destMat, alpha, beta, normType, -1, maskMat);
}
} catch (cv::Exception& e) {
raise_cverror(e);
}
return dest;
}

12
test/test_cvmat.rb
View file

@ -2023,6 +2023,15 @@ class TestCvMat < OpenCVTestCase
assert_in_delta(x, mminmax[i][0], 0.001)
}
mask = mat.to_8u.zero
mask[0, 0] = CvScalar.new(255, 0, 0)
mask[1, 0] = CvScalar.new(255, 0, 0)
minf = mat.normalize(1, 0, CV_NORM_INF, mask)
expected = [0.0, 0.0, 1.0, 0.0]
expected.each_with_index { |x, i|
assert_in_delta(x, minf[i][0], 0.001)
}
assert_raise(TypeError) {
mat.normalize(DUMMY_OBJ, 0, CV_NORM_INF)
}
@ -2032,6 +2041,9 @@ class TestCvMat < OpenCVTestCase
assert_raise(TypeError) {
mat.normalize(1, 0, DUMMY_OBJ)
}
assert_raise(TypeError) {
mat.normalize(1, 0, CV_NORM_INF, DUMMY_OBJ)
}
end
def test_count_non_zero