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fixed Video_calcOpticalFlowDual_TVL1 test (Bug #2597)

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uses RMSE instead of bitwise equivalence
This commit is contained in:
Vladislav Vinogradov 2012-12-10 12:58:33 +04:00
parent 722dedb04d
commit 53f1e73535
1 changed files with 37 additions and 2 deletions
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39
modules/video/test/test_tvl1optflow.cpp
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@ -107,10 +107,41 @@ namespace
}
}
}
bool isFlowCorrect(Point2f u)
{
return !cvIsNaN(u.x) && !cvIsNaN(u.y) && (fabs(u.x) < 1e9) && (fabs(u.y) < 1e9);
}
double calcRMSE(const Mat_<Point2f>& flow1, const Mat_<Point2f>& flow2)
{
double sum = 0.0;
int counter = 0;
for (int i = 0; i < flow1.rows; ++i)
{
for (int j = 0; j < flow1.cols; ++j)
{
const Point2f u1 = flow1(i, j);
const Point2f u2 = flow2(i, j);
if (isFlowCorrect(u1) && isFlowCorrect(u2))
{
const Point2f diff = u1 - u2;
sum += diff.ddot(diff);
++counter;
}
}
}
return sqrt(sum / (1e-9 + counter));
}
}
TEST(Video_calcOpticalFlowDual_TVL1, Regression)
{
const double MAX_RMSE = 0.01;
const string frame1_path = TS::ptr()->get_data_path() + "optflow/RubberWhale1.png";
const string frame2_path = TS::ptr()->get_data_path() + "optflow/RubberWhale2.png";
const string gold_flow_path = TS::ptr()->get_data_path() + "optflow/tvl1_flow.flo";
@ -130,7 +161,11 @@ TEST(Video_calcOpticalFlowDual_TVL1, Regression)
#else
Mat_<Point2f> gold;
readOpticalFlowFromFile(gold, gold_flow_path);
double err = norm(gold, flow, NORM_INF);
EXPECT_EQ(0.0f, err);
ASSERT_EQ(gold.rows, flow.rows);
ASSERT_EQ(gold.cols, flow.cols);
const double err = calcRMSE(gold, flow);
EXPECT_LE(err, MAX_RMSE);
#endif
}