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Merge branch 'bugfix' into OpenCV_2.4

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ser1zw 2012-05-13 23:46:16 +09:00
commit b7ddd4005b
1 changed files with 2 additions and 4 deletions
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6
examples/contours/bounding-box-detect-canny.rb
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@ -10,9 +10,7 @@ cvmat = OpenCV::CvMat.load("rotated-boxes.jpg")
# The "canny" edge-detector does only work with grayscale images # The "canny" edge-detector does only work with grayscale images
# so to be sure, convert the image # so to be sure, convert the image
# otherwise you will get something like: # otherwise you will get an OpenCV::CvStsAssert exception.
# terminate called after throwing an instance of 'cv::Exception'
# what(): /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_opencv/work/OpenCV-2.2.0/modules/imgproc/src/canny.cpp:67: error: (-210) in function cvCanny
cvmat = cvmat.BGR2GRAY cvmat = cvmat.BGR2GRAY
# Use the "canny" edge detection algorithm (http://en.wikipedia.org/wiki/Canny_edge_detector) # Use the "canny" edge detection algorithm (http://en.wikipedia.org/wiki/Canny_edge_detector)
@ -53,7 +51,7 @@ while contour
# The corner of the rectangle with the lowest y and x position is the anchor (see image here: http://bit.ly/lT1XvB) # The corner of the rectangle with the lowest y and x position is the anchor (see image here: http://bit.ly/lT1XvB)
# The zero angle position is always straight up. # The zero angle position is always straight up.
# Positive angle values are clockwise and negative values counter clockwise (so -60 means 60 degree counter clockwise) # Positive angle values are clockwise and negative values counter clockwise (so -60 means 60 degree counter clockwise)
box = contour.min_area_rect box = contour.min_area_rect2
puts "found minimal rectangle with its center at (#{box.center.x.round},#{box.center.y.round}), width of #{box.size.width.round}px, height of #{box.size.height.round} and an angle of #{box.angle.round} degree" puts "found minimal rectangle with its center at (#{box.center.x.round},#{box.center.y.round}), width of #{box.size.width.round}px, height of #{box.size.height.round} and an angle of #{box.angle.round} degree"
end end
contour = contour.h_next contour = contour.h_next