generic-library/opencv
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Merge pull request #6593 from bramton:documentation-update

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Vadim Pisarevsky 2016-05-31 10:32:18 +00:00
commit 40686415f9
1 changed files with 12 additions and 6 deletions
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18
modules/core/include/opencv2/core.hpp
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@ -889,7 +889,7 @@ output arrays.
The function cv::mixChannels provides an advanced mechanism for shuffling image channels. The function cv::mixChannels provides an advanced mechanism for shuffling image channels.
cv::split and cv::merge and some forms of cv::cvtColor are partial cases of cv::mixChannels . cv::split,cv::merge,cv::extractChannel,cv::insertChannel and some forms of cv::cvtColor are partial cases of cv::mixChannels.
In the example below, the code splits a 4-channel BGRA image into a 3-channel BGR (with B and R In the example below, the code splits a 4-channel BGRA image into a 3-channel BGR (with B and R
channels swapped) and a separate alpha-channel image: channels swapped) and a separate alpha-channel image:
@ -923,7 +923,7 @@ src[0].channels() + src[1].channels()-1, and so on, the same scheme is used for
channels; as a special case, when fromTo[k\*2] is negative, the corresponding output channel is channels; as a special case, when fromTo[k\*2] is negative, the corresponding output channel is
filled with zero . filled with zero .
@param npairs number of index pairs in `fromTo`. @param npairs number of index pairs in `fromTo`.
@sa cv::split, cv::merge, cv::cvtColor @sa split, merge, extractChannel, insertChannel, cvtColor
*/ */
CV_EXPORTS void mixChannels(const Mat* src, size_t nsrcs, Mat* dst, size_t ndsts, CV_EXPORTS void mixChannels(const Mat* src, size_t nsrcs, Mat* dst, size_t ndsts,
const int* fromTo, size_t npairs); const int* fromTo, size_t npairs);
@ -961,13 +961,19 @@ filled with zero .
CV_EXPORTS_W void mixChannels(InputArrayOfArrays src, InputOutputArrayOfArrays dst, CV_EXPORTS_W void mixChannels(InputArrayOfArrays src, InputOutputArrayOfArrays dst,
const std::vector<int>& fromTo); const std::vector<int>& fromTo);
/** @brief extracts a single channel from src (coi is 0-based index) /** @brief Extracts a single channel from src (coi is 0-based index)
@todo document @param src input array
@param dst output array
@param coi index of channel to extract
@sa mixChannels, split
*/ */
CV_EXPORTS_W void extractChannel(InputArray src, OutputArray dst, int coi); CV_EXPORTS_W void extractChannel(InputArray src, OutputArray dst, int coi);
/** @brief inserts a single channel to dst (coi is 0-based index) /** @brief Inserts a single channel to dst (coi is 0-based index)
@todo document @param src input array
@param dst output array
@param coi index of channel for insertion
@sa mixChannels, merge
*/ */
CV_EXPORTS_W void insertChannel(InputArray src, InputOutputArray dst, int coi); CV_EXPORTS_W void insertChannel(InputArray src, InputOutputArray dst, int coi);