Merge pull request #217 from jet47:fix-tvl1-test
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aabb40e34d
@ -107,10 +107,41 @@ namespace
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}
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}
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}
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bool isFlowCorrect(Point2f u)
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{
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return !cvIsNaN(u.x) && !cvIsNaN(u.y) && (fabs(u.x) < 1e9) && (fabs(u.y) < 1e9);
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}
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double calcRMSE(const Mat_<Point2f>& flow1, const Mat_<Point2f>& flow2)
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{
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double sum = 0.0;
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int counter = 0;
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for (int i = 0; i < flow1.rows; ++i)
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{
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for (int j = 0; j < flow1.cols; ++j)
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{
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const Point2f u1 = flow1(i, j);
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const Point2f u2 = flow2(i, j);
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if (isFlowCorrect(u1) && isFlowCorrect(u2))
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{
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const Point2f diff = u1 - u2;
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sum += diff.ddot(diff);
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++counter;
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}
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}
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}
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return sqrt(sum / (1e-9 + counter));
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}
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}
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TEST(Video_calcOpticalFlowDual_TVL1, Regression)
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{
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const double MAX_RMSE = 0.01;
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const string frame1_path = TS::ptr()->get_data_path() + "optflow/RubberWhale1.png";
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const string frame2_path = TS::ptr()->get_data_path() + "optflow/RubberWhale2.png";
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const string gold_flow_path = TS::ptr()->get_data_path() + "optflow/tvl1_flow.flo";
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@ -130,7 +161,11 @@ TEST(Video_calcOpticalFlowDual_TVL1, Regression)
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#else
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Mat_<Point2f> gold;
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readOpticalFlowFromFile(gold, gold_flow_path);
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double err = norm(gold, flow, NORM_INF);
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EXPECT_EQ(0.0f, err);
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ASSERT_EQ(gold.rows, flow.rows);
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ASSERT_EQ(gold.cols, flow.cols);
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const double err = calcRMSE(gold, flow);
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EXPECT_LE(err, MAX_RMSE);
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#endif
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}
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