Question

我正在运行Ubuntu 12.04，OpenCV 2.4.6.0.1和Cuda 5.5 我得到了以下代码：

BruteForceMatcher_GPU< Hamming >    matcher;
ORB_GPU orb(1000);
GpuMat patternImage_descriptors;
orb(patternImage_g, GpuMat(), patternImage_keypoints, patternImage_descriptors);

// where patternImage_g is an image I'm loading with GpuMat patternImage_g(originalImage)
// after I make it Gray and resizeing it to 640x480

// then I call
vector<GpuMat> descriptors(1);
descriptors[0] = patternImage_descriptors;
matcher.add(descriptors);
// to train the matcher and then

vector< vector<DMatch> > matches;
matcher.match(frame_descriptors, matches);

// Where frame_descriptors were extracted via ORB_GPU

然后我得到了这个编译错误：

MatchingEngineGPU.cpp: In member function 'void 
MatchingEngineGPU::processFrameFromFile(const Frame&, Frame&)':
MatchingEngineGPU.cpp:28:43: error: no matching function for call to
 'cv::gpu::BruteForceMatcher_GPU<cv::Hamming>::match(cv::gpu::GpuMat&,
 std::vector<std::vector<cv::DMatch> >&)'
MatchingEngineGPU.cpp:28:43: note: candidates are:
/usr/local/include/opencv2/gpu/gpu.hpp:1388:10: note: void
 cv::gpu::BruteForceMatcher_GPU_base::match(const cv::gpu::GpuMat&, const
 cv::gpu::GpuMat&, std::vector<cv::DMatch>&, const cv::gpu::GpuMat&)
/usr/local/include/opencv2/gpu/gpu.hpp:1388:10: note:   candidate expects 4
 arguments, 2 provided
/usr/local/include/opencv2/gpu/gpu.hpp:1404:10: note: void
 cv::gpu::BruteForceMatcher_GPU_base::match(const cv::gpu::GpuMat&,
 std::vector<cv::DMatch>&, const std::vector<cv::gpu::GpuMat>&)
/usr/local/include/opencv2/gpu/gpu.hpp:1404:10: note:   no known conversion
 for argument 2 from 'std::vector<std::vector<cv::DMatch> >' to
 'std::vector<cv::DMatch>&'

编译命令：

g++ *.hpp *.cpp `pkg-config --cflags --libs opencv`

我已经查看了BruteForceMatcher_GPU的文档，它具有以下功能：

void match(const GpuMat& query, std::vector<DMatch>& matches,
    const std::vector<GpuMat>& masks = std::vector<GpuMat>());

这可能只是一个C ++逻辑错误，但对于我的生活，我无法理解，请帮助我。

Answer 1

作为错误消息和文档状态，match引用了std::vector<DMatch>，而不是 a std::vector<std::vector<DMatch>>，是你要经过的。

从BruteForceMatcher_GPU调用match方法时的编译错误

1 个答案: