Open Source Computer Vision Library https://opencv.org/

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opencv/samples/cpp/tutorial_code

History

float13 1accf3b3f4 Tutorial - Make required input args positional. ... I think it would help to change all 3 of the the input file arguments to be "positional" for consistency with the other tutorials. This also simplifies the command line input to run this tutorial by reducing typing, and helpfully prints the "usage" info if any of the 3 required inputs are missing. I'm new to OpenCV and working through the tutorials. I kept getting runtime errors with this one until I realized that the arguments weren't positional, and I was missing the "--input1", "--input2, "--input3" flags preceding the filenames. All of the previous tutorials had required filenames as positional arguments and didn't require this. The original code would require each input to be specified like this: ./compareHist_Demo --input1 filename1 --input2 filename2 --input3 filename3 But with this change, the above command is simplified to: ./compareHist_Demo filename1 filename2 filename3 This avoids a confusing runtime error to make things simpler for newcomers like me :)		5 years ago
..
HighGUI	Update Samples	5 years ago
Histograms_Matching	Tutorial - Make required input args positional.	5 years ago
ImgProc	Update Samples	5 years ago
ImgTrans	Update Samples	5 years ago
ShapeDescriptors	Update Samples	5 years ago
TrackingMotion	Update Samples	5 years ago
calib3d	cmake(samples): use LINK_PRIVATE in target_link_libraries	6 years ago
core	Update Samples	5 years ago
features2D	Update Samples	5 years ago
gpu	Merge branch 'thrust_tutorial' of http://github.com/dtmoodie/opencv into thrust_tutorial	9 years ago
imgcodecs/GDAL_IO	Update documentation ( tutorials )	8 years ago
introduction	Update Samples	5 years ago
ml	Update Samples	5 years ago
objectDetection	Update Samples	5 years ago
photo	Update Samples	5 years ago
snippets	add imgproc snippets	7 years ago
video	Update Samples	5 years ago
videoio	update samples: waitKey() usage	8 years ago
viz	samples: avoid using of legacy code constructions in viz sample	7 years ago
xfeatures2D	Update Samples	5 years ago