Added GPU version of PyrLK based global motion estimator (videostab)

2012-04-18 13:23:41 +00:00
parent 1351f4c8ef
commit 1569c1ed52
13 changed files with 600 additions and 95 deletions
--- a/modules/gpu/test/test_global_motion.cpp
+++ b/modules/gpu/test/test_global_motion.cpp
@@ -0,0 +1,87 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
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+//  copy or use the software.
+//
+//
+//                        Intel License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
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+
+#include "precomp.hpp"
+
+#include <iostream>
+using namespace std;
+
+using namespace cv;
+
+struct CompactPoints : testing::TestWithParam<gpu::DeviceInfo>
+{
+    virtual void SetUp() { gpu::setDevice(GetParam().deviceID()); }
+};
+
+TEST_P(CompactPoints, CanCompactizeSmallInput)
+{
+    Mat src0(1, 3, CV_32FC2);
+    src0.at<Point2f>(0,0) = Point2f(0,0);
+    src0.at<Point2f>(0,1) = Point2f(0,1);
+    src0.at<Point2f>(0,2) = Point2f(0,2);
+
+    Mat src1(1, 3, CV_32FC2);
+    src1.at<Point2f>(0,0) = Point2f(1,0);
+    src1.at<Point2f>(0,1) = Point2f(1,1);
+    src1.at<Point2f>(0,2) = Point2f(1,2);
+
+    Mat mask(1, 3, CV_8U);
+    mask.at<uchar>(0,0) = 1;
+    mask.at<uchar>(0,1) = 0;
+    mask.at<uchar>(0,2) = 1;
+
+    gpu::GpuMat dsrc0(src0), dsrc1(src1), dmask(mask);
+    gpu::compactPoints(dsrc0, dsrc1, dmask);
+
+    dsrc0.download(src0);
+    dsrc1.download(src1);
+
+    ASSERT_EQ(2, src0.cols);
+    ASSERT_EQ(2, src1.cols);
+
+    ASSERT_TRUE(src0.at<Point2f>(0,0) == Point2f(0,0));
+    ASSERT_TRUE(src0.at<Point2f>(0,1) == Point2f(0,2));
+
+    ASSERT_TRUE(src1.at<Point2f>(0,0) == Point2f(1,0));
+    ASSERT_TRUE(src1.at<Point2f>(0,1) == Point2f(1,2));
+}
+
+INSTANTIATE_TEST_CASE_P(GPU_GlobalMotion, CompactPoints, ALL_DEVICES);