mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-06-07 17:44:04 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add Thickness parameter in drawMatches function

Browse Source 
This commit adds the feature of selecting the thickness
of the matches drawn by the drawMatches function.

In larger images, the default thickness of 1 pixel creates images
that are hard to visualize.
This commit is contained in:
Tiago De Gaspari 2021-06-07 10:55:23 -03:00
parent 61e30c15a9
commit 411fd2b761
2 changed files with 28 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
modules/features2d/include/opencv2/features2d.hpp
View File

@ -1314,6 +1314,13 @@ CV_EXPORTS_W void drawMatches( InputArray img1, const std::vector<KeyPoint>& key
const std::vector<char>& matchesMask=std::vector<char>(), int flags=DrawMatchesFlags::DEFAULT );
/** @overload */
CV_EXPORTS_W void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
InputArray img2, const std::vector<KeyPoint>& keypoints2,
const std::vector<DMatch>& matches1to2, InputOutputArray outImg,
const int matchesThickness, const Scalar& matchColor=Scalar::all(-1),
const Scalar& singlePointColor=Scalar::all(-1), const std::vector<char>& matchesMask=std::vector<char>(),
int flags=DrawMatchesFlags::DEFAULT );
CV_EXPORTS_AS(drawMatchesKnn) void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
InputArray img2, const std::vector<KeyPoint>& keypoints2,
const std::vector<std::vector<DMatch> >& matches1to2, InputOutputArray outImg,

25
modules/features2d/src/draw.cpp
View File

@ -183,7 +183,8 @@ static void _prepareImgAndDrawKeypoints( InputArray img1, const std::vector<KeyP
}
static inline void _drawMatch( InputOutputArray outImg, InputOutputArray outImg1, InputOutputArray outImg2 ,
const KeyPoint& kp1, const KeyPoint& kp2, const Scalar& matchColor, int flags )
const KeyPoint& kp1, const KeyPoint& kp2, const Scalar& matchColor, int flags,
const int matchesThickness )
{
RNG& rng = theRNG();
bool isRandMatchColor = matchColor == Scalar::all(-1);
@ -199,7 +200,7 @@ static inline void _drawMatch( InputOutputArray outImg, InputOutputArray outImg1
line( outImg,
Point(cvRound(pt1.x*draw_multiplier), cvRound(pt1.y*draw_multiplier)),
Point(cvRound(dpt2.x*draw_multiplier), cvRound(dpt2.y*draw_multiplier)),
color, 1, LINE_AA, draw_shift_bits );
color, matchesThickness, LINE_AA, draw_shift_bits );
}
void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
@ -207,6 +208,21 @@ void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
const std::vector<DMatch>& matches1to2, InputOutputArray outImg,
const Scalar& matchColor, const Scalar& singlePointColor,
const std::vector<char>& matchesMask, int flags )
{
drawMatches( img1, keypoints1,
img2, keypoints2,
matches1to2, outImg,
1, matchColor,
singlePointColor, matchesMask,
flags);
}
void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
InputArray img2, const std::vector<KeyPoint>& keypoints2,
const std::vector<DMatch>& matches1to2, InputOutputArray outImg,
const int matchesThickness, const Scalar& matchColor,
const Scalar& singlePointColor, const std::vector<char>& matchesMask,
int flags )
{
if( !matchesMask.empty() && matchesMask.size() != matches1to2.size() )
CV_Error( Error::StsBadSize, "matchesMask must have the same size as matches1to2" );
@ -226,11 +242,12 @@ void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
CV_Assert(i2 >= 0 && i2 < static_cast<int>(keypoints2.size()));
const KeyPoint &kp1 = keypoints1[i1], &kp2 = keypoints2[i2];
_drawMatch( outImg, outImg1, outImg2, kp1, kp2, matchColor, flags );
_drawMatch( outImg, outImg1, outImg2, kp1, kp2, matchColor, flags, matchesThickness );
}
}
}
void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
InputArray img2, const std::vector<KeyPoint>& keypoints2,
const std::vector<std::vector<DMatch> >& matches1to2, InputOutputArray outImg,
@ -254,7 +271,7 @@ void drawMatches( InputArray img1, const std::vector<KeyPoint>& keypoints1,
if( matchesMask.empty() || matchesMask[i][j] )
{
const KeyPoint &kp1 = keypoints1[i1], &kp2 = keypoints2[i2];
_drawMatch( outImg, outImg1, outImg2, kp1, kp2, matchColor, flags );
_drawMatch( outImg, outImg1, outImg2, kp1, kp2, matchColor, flags, 1 );
}
}
}