mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-12-18 11:28:02 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

fixed several typoes and errors in the refman (ticket #1203)

Browse Source
This commit is contained in:
Vadim Pisarevsky 2011-07-22 12:50:49 +00:00
parent 1098566a2f
commit 41df54e75f
6 changed files with 39 additions and 102 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
modules/calib3d/doc/camera_calibration_and_3d_reconstruction.rst
View File

@ -852,7 +852,7 @@ Computes partial derivatives of the matrix product for each multiplied matrix.
:param dABdA: First output derivative matrix ``d(A*B)/dA`` of size :math:`\texttt{A.rows*B.cols} \times {A.rows*A.cols}` . :param dABdA: First output derivative matrix ``d(A*B)/dA`` of size :math:`\texttt{A.rows*B.cols} \times {A.rows*A.cols}` .
:param dABdA: Second output derivative matrix ``d(A*B)/dB`` of size :math:`\texttt{A.rows*B.cols} \times {B.rows*B.cols}` . :param dABdB: Second output derivative matrix ``d(A*B)/dB`` of size :math:`\texttt{A.rows*B.cols} \times {B.rows*B.cols}` .
The function computes partial derivatives of the elements of the matrix product The function computes partial derivatives of the elements of the matrix product
:math:`A*B` with regard to the elements of each of the two input matrices. The function is used to compute the Jacobian matrices in :math:`A*B` with regard to the elements of each of the two input matrices. The function is used to compute the Jacobian matrices in

2
modules/core/doc/drawing_functions.rst
View File

@ -68,7 +68,7 @@ Clips the line against the image rectangle.
:param imgSize: Image size. The image rectangle is ``Rect(0, 0, imgSize.width, imgSize.height)`` . :param imgSize: Image size. The image rectangle is ``Rect(0, 0, imgSize.width, imgSize.height)`` .
:param imgSize: Image rectangle.?? why do you list the same para twice?? :param imgRect: Image rectangle.
:param pt1: First line point. :param pt1: First line point.

16
modules/features2d/doc/common_interfaces_of_descriptor_extractors.rst
View File

@ -55,23 +55,15 @@ Computes the descriptors for a set of keypoints detected in an image (first vari
.. ocv:function:: void DescriptorExtractor::compute( const Mat& image, vector<KeyPoint>& keypoints, Mat& descriptors ) const .. ocv:function:: void DescriptorExtractor::compute( const Mat& image, vector<KeyPoint>& keypoints, Mat& descriptors ) const
:param image: Image.
:param keypoints: Keypoints. Keypoints for which a descriptor cannot be computed are removed. Sometimes new keypoints can be added, for example: ``SIFT`` duplicates keypoint with several dominant orientations (for each orientation).
:param descriptors: Descriptors. Row ``i`` is the descriptor for keypoint ``i``.
.. ocv:function:: void DescriptorExtractor::compute( const vector<Mat>& images, vector<vector<KeyPoint> >& keypoints, vector<Mat>& descriptors ) const .. ocv:function:: void DescriptorExtractor::compute( const vector<Mat>& images, vector<vector<KeyPoint> >& keypoints, vector<Mat>& descriptors ) const
:param image: Image.
:param images: Image set. :param images: Image set.
:param keypoints: Input keypoints collection. ``keypoints[i]`` are keypoints :param keypoints: Input collection of keypoints. Keypoints for which a descriptor cannot be computed are removed. Sometimes new keypoints can be added, for example: ``SIFT`` duplicates keypoint with several dominant orientations (for each orientation).
detected in ``images[i]`` . Keypoints for which a descriptor
cannot be computed are removed.
:param descriptors: Descriptor collection. ``descriptors[i]`` are descriptors computed for a ``keypoints[i]`` set.
:param descriptors: Computed descriptors. In the second variant of the method ``descriptors[i]`` are descriptors computed for a ``keypoints[i]`. Row ``j`` is the ``keypoints`` (or ``keypoints[i]``) is the descriptor for keypoint ``j``-th keypoint.
DescriptorExtractor::read DescriptorExtractor::read
----------------------------- -----------------------------

14
modules/features2d/doc/common_interfaces_of_feature_detectors.rst
View File

@ -100,19 +100,17 @@ Detects keypoints in an image (first variant) or image set (second variant).
.. ocv:function:: void FeatureDetector::detect( const Mat& image, vector<KeyPoint>& keypoints, const Mat& mask=Mat() ) const .. ocv:function:: void FeatureDetector::detect( const Mat& image, vector<KeyPoint>& keypoints, const Mat& mask=Mat() ) const
.. ocv:function:: void FeatureDetector::detect( const vector<Mat>& images, vector<vector<KeyPoint> >& keypoints, const vector<Mat>& masks=vector<Mat>() ) const
:param image: Image. :param image: Image.
:param keypoints: Detected keypoints.
:param mask: Mask specifying where to look for keypoints (optional). It must be a char matrix with non-zero values in the region of interest.
.. ocv:function:: void FeatureDetector::detect( const vector<Mat>& images, vector<vector<KeyPoint> >& keypoints, const vector<Mat>& masks=vector<Mat>() ) const
:param images: Image set. :param images: Image set.
:param keypoints: Collection of keypoints detected in input images. ``keypoints[i]`` is a set of keypoints detected in ``images[i]`` . :param keypoints: The detected keypoints. In the second variant of the method ``keypoints[i]`` is a set of keypoints detected in ``images[i]`` .
:param masks: Masks for each input image specifying where to look for keypoints (optional). ``masks[i]`` is a mask for ``images[i]`` . Each element of the ``masks`` vector must be a char matrix with non-zero values in the region of interest. :param mask: Mask specifying where to look for keypoints (optional). It must be a 8-bit integer matrix with non-zero values in the region of interest.
:param masks: Masks for each input image specifying where to look for keypoints (optional). ``masks[i]`` is a mask for ``images[i]``.
FeatureDetector::read FeatureDetector::read
------------------------- -------------------------

50
modules/gpu/doc/camera_calibration_and_3d_reconstruction.rst
View File

@ -3,8 +3,6 @@ Camera Calibration and 3D Reconstruction
.. highlight:: cpp .. highlight:: cpp
.. index:: gpu::StereoBM_GPU
gpu::StereoBM_GPU gpu::StereoBM_GPU
----------------- -----------------
.. ocv:class:: gpu::StereoBM_GPU .. ocv:class:: gpu::StereoBM_GPU
@ -87,16 +85,12 @@ gpu::StereoBM_GPU::operator ()
:param stream: Stream for the asynchronous version. :param stream: Stream for the asynchronous version.
.. index:: gpu::StereoBM_GPU::checkIfGpuCallReasonable
gpu::StereoBM_GPU::checkIfGpuCallReasonable gpu::StereoBM_GPU::checkIfGpuCallReasonable
----------------------------------------------- -----------------------------------------------
.. ocv:function:: bool gpu::StereoBM_GPU::checkIfGpuCallReasonable() .. ocv:function:: bool gpu::StereoBM_GPU::checkIfGpuCallReasonable()
Uses a heuristic method to estimate whether the current GPU is faster than the CPU in this algorithm. It queries the currently active device. Uses a heuristic method to estimate whether the current GPU is faster than the CPU in this algorithm. It queries the currently active device.
.. index:: gpu::StereoBeliefPropagation
gpu::StereoBeliefPropagation gpu::StereoBeliefPropagation
---------------------------- ----------------------------
.. ocv:class:: gpu::StereoBeliefPropagation .. ocv:class:: gpu::StereoBeliefPropagation
@ -163,8 +157,6 @@ The class implements algorithm described in [Felzenszwalb2006]_ . It can compute
``width_step`` is the number of bytes in a line including padding. ``width_step`` is the number of bytes in a line including padding.
.. index:: gpu::StereoBeliefPropagation::StereoBeliefPropagation
gpu::StereoBeliefPropagation::StereoBeliefPropagation gpu::StereoBeliefPropagation::StereoBeliefPropagation
--------------------------------------------------------- ---------------------------------------------------------
.. ocv:function:: gpu::StereoBeliefPropagation::StereoBeliefPropagation( int ndisp = DEFAULT_NDISP, int iters = DEFAULT_ITERS, int levels = DEFAULT_LEVELS, int msg_type = CV_32F) .. ocv:function:: gpu::StereoBeliefPropagation::StereoBeliefPropagation( int ndisp = DEFAULT_NDISP, int iters = DEFAULT_ITERS, int levels = DEFAULT_LEVELS, int msg_type = CV_32F)
@ -207,8 +199,6 @@ By default, :ocv:class:`StereoBeliefPropagation` uses floating-point arithmetics
10 \cdot 2^{levels-1} \cdot max \_ data \_ term < SHRT \_ MAX 10 \cdot 2^{levels-1} \cdot max \_ data \_ term < SHRT \_ MAX
.. index:: gpu::StereoBeliefPropagation::estimateRecommendedParams
gpu::StereoBeliefPropagation::estimateRecommendedParams gpu::StereoBeliefPropagation::estimateRecommendedParams
----------------------------------------------------------- -----------------------------------------------------------
@ -216,36 +206,28 @@ gpu::StereoBeliefPropagation::estimateRecommendedParams
Uses a heuristic method to compute the recommended parameters (``ndisp``, ``iters`` and ``levels``) for the specified image size (``width`` and ``height``). Uses a heuristic method to compute the recommended parameters (``ndisp``, ``iters`` and ``levels``) for the specified image size (``width`` and ``height``).
.. index:: gpu::StereoBeliefPropagation::operator ()
gpu::StereoBeliefPropagation::operator () gpu::StereoBeliefPropagation::operator ()
--------------------------------------------- ---------------------------------------------
.. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& left, const GpuMat& right, GpuMat& disparity) .. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& left, const GpuMat& right, GpuMat& disparity)
.. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& left, const GpuMat& right, GpuMat& disparity, Stream& stream) .. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& left, const GpuMat& right, GpuMat& disparity, Stream& stream)
.. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& data, GpuMat& disparity)
.. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& data, GpuMat& disparity, Stream& stream)
Enables the stereo correspondence operator that finds the disparity for the specified rectified stereo pair or data cost. Enables the stereo correspondence operator that finds the disparity for the specified rectified stereo pair or data cost.
:param left: Left image. ``CV_8UC1`` , ``CV_8UC3`` and ``CV_8UC4`` types are supported. :param left: Left image. ``CV_8UC1`` , ``CV_8UC3`` and ``CV_8UC4`` types are supported.
:param right: Right image with the same size and the same type as the left one. :param right: Right image with the same size and the same type as the left one.
:param disparity: Output disparity map. If ``disparity`` is empty, the output type is ``CV_16SC1`` . Otherwise, the output type is ``disparity.type()`` .
:param stream: Stream for the asynchronous version.
.. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& data, GpuMat& disparity)
.. ocv:function:: void gpu::StereoBeliefPropagation::operator()( const GpuMat& data, GpuMat& disparity, Stream& stream)
:param data: User-specified data cost, a matrix of ``msg_type`` type and ``Size(<image columns>*ndisp, <image rows>)`` size. :param data: User-specified data cost, a matrix of ``msg_type`` type and ``Size(<image columns>*ndisp, <image rows>)`` size.
:param disparity: Output disparity map. If the matrix is empty, it is created as the ``CV_16SC1`` matrix. Otherwise, the type is retained. :param disparity: Output disparity map. If ``disparity`` is empty, the output type is ``CV_16SC1`` . Otherwise, the type is retained.
:param stream: Stream for the asynchronous version. :param stream: Stream for the asynchronous version.
.. index:: gpu::StereoConstantSpaceBP
gpu::StereoConstantSpaceBP gpu::StereoConstantSpaceBP
-------------------------- --------------------------
.. ocv:class:: gpu::StereoConstantSpaceBP .. ocv:class:: gpu::StereoConstantSpaceBP
@ -303,8 +285,6 @@ Class computing stereo correspondence using the constant space belief propagatio
The class implements algorithm described in [Yang2010]_. ``StereoConstantSpaceBP`` supports both local minimum and global minimum data cost initialization algortihms. For more details, see the paper mentioned above. By default, a local algorithm is used. To enable a global algorithm, set ``use_local_init_data_cost`` to ``false``. The class implements algorithm described in [Yang2010]_. ``StereoConstantSpaceBP`` supports both local minimum and global minimum data cost initialization algortihms. For more details, see the paper mentioned above. By default, a local algorithm is used. To enable a global algorithm, set ``use_local_init_data_cost`` to ``false``.
.. index:: gpu::StereoConstantSpaceBP::StereoConstantSpaceBP
gpu::StereoConstantSpaceBP::StereoConstantSpaceBP gpu::StereoConstantSpaceBP::StereoConstantSpaceBP
----------------------------------------------------- -----------------------------------------------------
.. ocv:function:: gpu::StereoConstantSpaceBP::StereoConstantSpaceBP(int ndisp = DEFAULT_NDISP, int iters = DEFAULT_ITERS, int levels = DEFAULT_LEVELS, int nr_plane = DEFAULT_NR_PLANE, int msg_type = CV_32F) .. ocv:function:: gpu::StereoConstantSpaceBP::StereoConstantSpaceBP(int ndisp = DEFAULT_NDISP, int iters = DEFAULT_ITERS, int levels = DEFAULT_LEVELS, int nr_plane = DEFAULT_NR_PLANE, int msg_type = CV_32F)
@ -351,8 +331,6 @@ By default, ``StereoConstantSpaceBP`` uses floating-point arithmetics and the ``
10 \cdot 2^{levels-1} \cdot max \_ data \_ term < SHRT \_ MAX 10 \cdot 2^{levels-1} \cdot max \_ data \_ term < SHRT \_ MAX
.. index:: gpu::StereoConstantSpaceBP::estimateRecommendedParams
gpu::StereoConstantSpaceBP::estimateRecommendedParams gpu::StereoConstantSpaceBP::estimateRecommendedParams
--------------------------------------------------------- ---------------------------------------------------------
@ -360,8 +338,6 @@ gpu::StereoConstantSpaceBP::estimateRecommendedParams
Uses a heuristic method to compute parameters (ndisp, iters, levelsand nrplane) for the specified image size (widthand height). Uses a heuristic method to compute parameters (ndisp, iters, levelsand nrplane) for the specified image size (widthand height).
.. index:: gpu::StereoConstantSpaceBP::operator ()
gpu::StereoConstantSpaceBP::operator () gpu::StereoConstantSpaceBP::operator ()
------------------------------------------- -------------------------------------------
.. ocv:function:: void gpu::StereoConstantSpaceBP::operator()( const GpuMat& left, const GpuMat& right, GpuMat& disparity) .. ocv:function:: void gpu::StereoConstantSpaceBP::operator()( const GpuMat& left, const GpuMat& right, GpuMat& disparity)
@ -378,10 +354,6 @@ gpu::StereoConstantSpaceBP::operator ()
:param stream: Stream for the asynchronous version. :param stream: Stream for the asynchronous version.
.. index:: gpu::DisparityBilateralFilter
.. _gpu::DisparityBilateralFilter:
gpu::DisparityBilateralFilter gpu::DisparityBilateralFilter
----------------------------- -----------------------------
.. ocv:class:: gpu::DisparityBilateralFilter .. ocv:class:: gpu::DisparityBilateralFilter
@ -413,8 +385,6 @@ Class refinining a disparity map using joint bilateral filtering. ::
The class implements [Yang2010]_ algorithm. The class implements [Yang2010]_ algorithm.
.. index:: gpu::DisparityBilateralFilter::DisparityBilateralFilter
gpu::DisparityBilateralFilter::DisparityBilateralFilter gpu::DisparityBilateralFilter::DisparityBilateralFilter
----------------------------------------------------------- -----------------------------------------------------------
.. ocv:function:: gpu::DisparityBilateralFilter::DisparityBilateralFilter( int ndisp = DEFAULT_NDISP, int radius = DEFAULT_RADIUS, int iters = DEFAULT_ITERS) .. ocv:function:: gpu::DisparityBilateralFilter::DisparityBilateralFilter( int ndisp = DEFAULT_NDISP, int radius = DEFAULT_RADIUS, int iters = DEFAULT_ITERS)
@ -435,8 +405,6 @@ gpu::DisparityBilateralFilter::DisparityBilateralFilter
:param sigma_range: Filter range. :param sigma_range: Filter range.
.. index:: gpu::DisparityBilateralFilter::operator ()
gpu::DisparityBilateralFilter::operator () gpu::DisparityBilateralFilter::operator ()
---------------------------------------------- ----------------------------------------------
.. ocv:function:: void gpu::DisparityBilateralFilter::operator()( const GpuMat& disparity, const GpuMat& image, GpuMat& dst) .. ocv:function:: void gpu::DisparityBilateralFilter::operator()( const GpuMat& disparity, const GpuMat& image, GpuMat& dst)
@ -453,8 +421,6 @@ gpu::DisparityBilateralFilter::operator ()
:param stream: Stream for the asynchronous version. :param stream: Stream for the asynchronous version.
.. index:: gpu::drawColorDisp
gpu::drawColorDisp gpu::drawColorDisp
---------------------- ----------------------
.. ocv:function:: void gpu::drawColorDisp(const GpuMat& src_disp, GpuMat& dst_disp, int ndisp) .. ocv:function:: void gpu::drawColorDisp(const GpuMat& src_disp, GpuMat& dst_disp, int ndisp)
@ -473,8 +439,6 @@ gpu::drawColorDisp
This function draws a colored disparity map by converting disparity values from ``[0..ndisp)`` interval first to ``HSV`` color space (where different disparity values correspond to different hues) and then converting the pixels to ``RGB`` for visualization. This function draws a colored disparity map by converting disparity values from ``[0..ndisp)`` interval first to ``HSV`` color space (where different disparity values correspond to different hues) and then converting the pixels to ``RGB`` for visualization.
.. index:: gpu::reprojectImageTo3D
gpu::reprojectImageTo3D gpu::reprojectImageTo3D
--------------------------- ---------------------------
.. ocv:function:: void gpu::reprojectImageTo3D(const GpuMat& disp, GpuMat& xyzw, const Mat& Q) .. ocv:function:: void gpu::reprojectImageTo3D(const GpuMat& disp, GpuMat& xyzw, const Mat& Q)
@ -491,10 +455,6 @@ gpu::reprojectImageTo3D
:param stream: Stream for the asynchronous version. :param stream: Stream for the asynchronous version.
.. seealso:: :ocv:func:`reprojectImageTo3D` .
.. index:: gpu::solvePnPRansac
gpu::solvePnPRansac gpu::solvePnPRansac
------------------- -------------------

57
modules/gpu/doc/feature_detection_and_description.rst
View File

@ -3,7 +3,7 @@ Feature Detection and Description
.. highlight:: cpp .. highlight:: cpp
.. index:: gpu::SURF_GPU
gpu::SURF_GPU gpu::SURF_GPU
------------- -------------
@ -99,7 +99,7 @@ The class ``SURF_GPU`` uses some buffers and provides access to it. All buffers
.. seealso:: .. seealso::
:ocv:class:`SURF` :ocv:class:`SURF`
.. index:: gpu::BruteForceMatcher_GPU
gpu::BruteForceMatcher_GPU gpu::BruteForceMatcher_GPU
-------------------------- --------------------------
@ -196,7 +196,7 @@ The class ``BruteForceMatcher_GPU`` has an interface similar to the class :ocv:c
:ocv:class:`DescriptorMatcher`, :ocv:class:`DescriptorMatcher`,
:ocv:class:`BruteForceMatcher` :ocv:class:`BruteForceMatcher`
.. index:: gpu::BruteForceMatcher_GPU::match
gpu::BruteForceMatcher_GPU::match gpu::BruteForceMatcher_GPU::match
------------------------------------- -------------------------------------
@ -209,7 +209,7 @@ gpu::BruteForceMatcher_GPU::match
.. seealso:: .. seealso::
:ocv:func:`DescriptorMatcher::match` :ocv:func:`DescriptorMatcher::match`
.. index:: gpu::BruteForceMatcher_GPU::matchSingle
gpu::BruteForceMatcher_GPU::matchSingle gpu::BruteForceMatcher_GPU::matchSingle
------------------------------------------- -------------------------------------------
@ -227,7 +227,7 @@ gpu::BruteForceMatcher_GPU::matchSingle
:param mask: Mask specifying permissible matches between the input query and train matrices of descriptors. :param mask: Mask specifying permissible matches between the input query and train matrices of descriptors.
.. index:: gpu::BruteForceMatcher_GPU::matchCollection
gpu::BruteForceMatcher_GPU::matchCollection gpu::BruteForceMatcher_GPU::matchCollection
----------------------------------------------- -----------------------------------------------
@ -247,7 +247,7 @@ gpu::BruteForceMatcher_GPU::matchCollection
:param maskCollection: ``GpuMat`` containing a set of masks. It can be obtained from ``std::vector<GpuMat>`` by :ocv:func:`gpu::BruteForceMatcher_GPU::makeGpuCollection` or it may contain a user-defined mask set. This is an empty matrix or one-row matrix where each element is a ``PtrStep`` that points to one mask. :param maskCollection: ``GpuMat`` containing a set of masks. It can be obtained from ``std::vector<GpuMat>`` by :ocv:func:`gpu::BruteForceMatcher_GPU::makeGpuCollection` or it may contain a user-defined mask set. This is an empty matrix or one-row matrix where each element is a ``PtrStep`` that points to one mask.
.. index:: gpu::BruteForceMatcher_GPU::makeGpuCollection
gpu::BruteForceMatcher_GPU::makeGpuCollection gpu::BruteForceMatcher_GPU::makeGpuCollection
------------------------------------------------- -------------------------------------------------
@ -256,7 +256,7 @@ gpu::BruteForceMatcher_GPU::makeGpuCollection
Performs a GPU collection of train descriptors and masks in a suitable format for the Performs a GPU collection of train descriptors and masks in a suitable format for the
:ocv:func:`gpu::BruteForceMatcher_GPU::matchCollection` function. :ocv:func:`gpu::BruteForceMatcher_GPU::matchCollection` function.
.. index:: gpu::BruteForceMatcher_GPU::matchDownload
gpu::BruteForceMatcher_GPU::matchDownload gpu::BruteForceMatcher_GPU::matchDownload
--------------------------------------------- ---------------------------------------------
@ -268,26 +268,17 @@ gpu::BruteForceMatcher_GPU::matchDownload
:ocv:func:`gpu::BruteForceMatcher_GPU::matchSingle` or :ocv:func:`gpu::BruteForceMatcher_GPU::matchSingle` or
:ocv:func:`gpu::BruteForceMatcher_GPU::matchCollection` to CPU vector with :ocv:class:`DMatch`. :ocv:func:`gpu::BruteForceMatcher_GPU::matchCollection` to CPU vector with :ocv:class:`DMatch`.
.. index:: gpu::BruteForceMatcher_GPU::knnMatch
gpu::BruteForceMatcher_GPU::knnMatch gpu::BruteForceMatcher_GPU::knnMatch
---------------------------------------- ----------------------------------------
.. ocv:function:: void gpu::BruteForceMatcher_GPU::knnMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, std::vector< std::vector<DMatch> >&matches, int k, const GpuMat& mask = GpuMat(), bool compactResult = false) .. ocv:function:: void gpu::BruteForceMatcher_GPU::knnMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, std::vector< std::vector<DMatch> >&matches, int k, const GpuMat& mask = GpuMat(), bool compactResult = false)
Finds the k best matches for each descriptor from a query set with train descriptors. The function returns detected k (or less if not possible) matches in the increasing order by distance. .. ocv:function:: void gpu::BruteForceMatcher_GPU::knnMatch(const GpuMat& queryDescs, std::vector< std::vector<DMatch> >&matches, int k, const std::vector<GpuMat>&masks = std::vector<GpuMat>(), bool compactResult = false )
.. ocv:function:: void knnMatch(const GpuMat& queryDescs, std::vector< std::vector<DMatch> >&matches, int k, const std::vector<GpuMat>&masks = std::vector<GpuMat>(), bool compactResult = false )
.. seealso::
:ocv:func:`DescriptorMatcher::knnMatch`
.. index:: gpu::BruteForceMatcher_GPU::knnMatch
gpu::BruteForceMatcher_GPU::knnMatch
----------------------------------------
.. ocv:function:: void gpu::BruteForceMatcher_GPU::knnMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, GpuMat& trainIdx, GpuMat& distance, GpuMat& allDist, int k, const GpuMat& mask = GpuMat()) .. ocv:function:: void gpu::BruteForceMatcher_GPU::knnMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, GpuMat& trainIdx, GpuMat& distance, GpuMat& allDist, int k, const GpuMat& mask = GpuMat())
Finds the k best matches for each descriptor from a query set with train descriptors. The function returns detected k (or less if not possible) matches in the increasing order by distance. Results are stored in the GPU memory. Finds the k best matches for each descriptor from a query set with train descriptors. The function returns detected k (or less if not possible) matches in the increasing order by distance.
:param queryDescs: Query set of descriptors. :param queryDescs: Query set of descriptors.
:param trainDescs: Training set of descriptors. It is not be added to train descriptors collection stored in the class object. :param trainDescs: Training set of descriptors. It is not be added to train descriptors collection stored in the class object.
@ -299,7 +290,11 @@ gpu::BruteForceMatcher_GPU::knnMatch
:param mask: Mask specifying permissible matches between the input query and train matrices of descriptors. :param mask: Mask specifying permissible matches between the input query and train matrices of descriptors.
.. index:: gpu::BruteForceMatcher_GPU::knnMatchDownload The third variant of the method stores the results in GPU memory.
.. seealso::
:ocv:func:`DescriptorMatcher::knnMatch`
gpu::BruteForceMatcher_GPU::knnMatchDownload gpu::BruteForceMatcher_GPU::knnMatchDownload
------------------------------------------------ ------------------------------------------------
@ -307,28 +302,17 @@ gpu::BruteForceMatcher_GPU::knnMatchDownload
Downloads ``trainIdx`` and ``distance`` matrices obtained via :ocv:func:`gpu::BruteForceMatcher_GPU::knnMatch` to CPU vector with :ocv:class:`DMatch`. If ``compactResult`` is true, the ``matches`` vector does not contain matches for fully masked-out query descriptors. Downloads ``trainIdx`` and ``distance`` matrices obtained via :ocv:func:`gpu::BruteForceMatcher_GPU::knnMatch` to CPU vector with :ocv:class:`DMatch`. If ``compactResult`` is true, the ``matches`` vector does not contain matches for fully masked-out query descriptors.
.. index:: gpu::BruteForceMatcher_GPU::radiusMatch
gpu::BruteForceMatcher_GPU::radiusMatch gpu::BruteForceMatcher_GPU::radiusMatch
------------------------------------------- -------------------------------------------
.. ocv:function:: void gpu::BruteForceMatcher_GPU::radiusMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, std::vector< std::vector<DMatch> >&matches, float maxDistance, const GpuMat& mask = GpuMat(), bool compactResult = false) .. ocv:function:: void gpu::BruteForceMatcher_GPU::radiusMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, std::vector< std::vector<DMatch> >&matches, float maxDistance, const GpuMat& mask = GpuMat(), bool compactResult = false)
For each query descriptor, finds the best matches with a distance less than a given threshold. The function returns detected matches in the increasing order by distance.
.. ocv:function:: void gpu::BruteForceMatcher_GPU::radiusMatch(const GpuMat& queryDescs, std::vector< std::vector<DMatch> >&matches, float maxDistance, const std::vector<GpuMat>&masks = std::vector<GpuMat>(), bool compactResult = false) .. ocv:function:: void gpu::BruteForceMatcher_GPU::radiusMatch(const GpuMat& queryDescs, std::vector< std::vector<DMatch> >&matches, float maxDistance, const std::vector<GpuMat>&masks = std::vector<GpuMat>(), bool compactResult = false)
This function works only on devices with the compute capability :math:`>=` 1.1.
.. seealso::
:ocv:func:`DescriptorMatcher::radiusMatch`
.. index:: gpu::BruteForceMatcher_GPU::radiusMatch
gpu::BruteForceMatcher_GPU::radiusMatch
-------------------------------------------
.. ocv:function:: void gpu::BruteForceMatcher_GPU::radiusMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, GpuMat& trainIdx, GpuMat& nMatches, GpuMat& distance, float maxDistance, const GpuMat& mask = GpuMat()) .. ocv:function:: void gpu::BruteForceMatcher_GPU::radiusMatch(const GpuMat& queryDescs, const GpuMat& trainDescs, GpuMat& trainIdx, GpuMat& nMatches, GpuMat& distance, float maxDistance, const GpuMat& mask = GpuMat())
For each query descriptor, finds the best matches with a distance less than a given threshold (``maxDistance``). The results are stored in the GPU memory. For each query descriptor, finds the best matches with a distance less than a given threshold. The function returns detected matches in the increasing order by distance.
:param queryDescs: Query set of descriptors. :param queryDescs: Query set of descriptors.
@ -344,9 +328,12 @@ gpu::BruteForceMatcher_GPU::radiusMatch
:param mask: Mask specifying permissible matches between the input query and train matrices of descriptors. :param mask: Mask specifying permissible matches between the input query and train matrices of descriptors.
In contrast to :ocv:func:`gpu::BruteForceMatcher_GPU::knnMatch`, here the results are not sorted by the distance. This function works only on devices with the compute capability >= 1.1. The methods work only on devices with the compute capability :math:`>=` 1.1.
The third variant of the method stores the results in GPU memory and does not store the points by the distance.
.. seealso::
:ocv:func:`DescriptorMatcher::radiusMatch`
.. index:: gpu::BruteForceMatcher_GPU::radiusMatchDownload
gpu::BruteForceMatcher_GPU::radiusMatchDownload gpu::BruteForceMatcher_GPU::radiusMatchDownload
--------------------------------------------------- ---------------------------------------------------