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Merge pull request #12206 from jsxyhelu/3.4

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find innercircle of contour by using pointPolygonTest: (#12206)
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jsxyhelu 2018-09-12 04:58:01 +08:00 committed by Alexander Alekhin
parent 492ef14550
commit 7828854c9d
4 changed files with 9 additions and 5 deletions
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doc/tutorials/imgproc/shapedescriptors/point_polygon_test/images/Point_Polygon_Test_Result.jpg
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6
samples/cpp/tutorial_code/ShapeDescriptors/pointPolygonTest_demo.cpp
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@ -50,7 +50,8 @@ int main( void )
} }
double minVal, maxVal; double minVal, maxVal;
minMaxLoc( raw_dist, &minVal, &maxVal ); Point maxDistPt; // inscribed circle center
minMaxLoc(raw_dist, &minVal, &maxVal, NULL, &maxDistPt);
minVal = abs(minVal); minVal = abs(minVal);
maxVal = abs(maxVal); maxVal = abs(maxVal);
@ -76,10 +77,11 @@ int main( void )
} }
} }
} }
circle(drawing, maxDistPt, (int)maxVal, Scalar(255,255,255));
/// Show your results /// Show your results
imshow( "Source", src ); imshow( "Source", src );
imshow( "Distance", drawing ); imshow( "Distance and inscribed circle", drawing );
waitKey(); waitKey();
return 0; return 0;

3
samples/java/tutorial_code/ShapeDescriptors/point_polygon_test/PointPolygonTestDemo.java
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@ -72,10 +72,11 @@ class PointPolygonTest {
} }
} }
drawing.put(0, 0, drawingData); drawing.put(0, 0, drawingData);
Imgproc.circle(drawing, res.maxLoc, (int)res.maxVal, new Scalar(255, 255, 255), 2, 8, 0);
/// Show your results /// Show your results
HighGui.imshow("Source", src); HighGui.imshow("Source", src);
HighGui.imshow("Distance", drawing); HighGui.imshow("Distance and inscribed circle", drawing);
HighGui.waitKey(); HighGui.waitKey();
System.exit(0); System.exit(0);

5
samples/python/tutorial_code/ShapeDescriptors/point_polygon_test/pointPolygonTest_demo.py
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@ -29,7 +29,7 @@ for i in range(src.shape[0]):
for j in range(src.shape[1]): for j in range(src.shape[1]):
raw_dist[i,j] = cv.pointPolygonTest(contours[0], (j,i), True) raw_dist[i,j] = cv.pointPolygonTest(contours[0], (j,i), True)
minVal, maxVal, _, _ = cv.minMaxLoc(raw_dist) minVal, maxVal, _, maxDistPt = cv.minMaxLoc(raw_dist)
minVal = abs(minVal) minVal = abs(minVal)
maxVal = abs(maxVal) maxVal = abs(maxVal)
@ -46,6 +46,7 @@ for i in range(src.shape[0]):
drawing[i,j,1] = 255 drawing[i,j,1] = 255
drawing[i,j,2] = 255 drawing[i,j,2] = 255
cv.circle(drawing,maxDistPt, int(maxVal),tuple(255,255,255), 1, cv.LINE_8, 0)
cv.imshow('Source', src) cv.imshow('Source', src)
cv.imshow('Distance', drawing) cv.imshow('Distance and inscribed circle', drawing)
cv.waitKey() cv.waitKey()