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Merge pull request #23442 from LaurentBerger:tuto_findFile

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Fix image loading in tutorials code #23442

Fixes https://github.com/opencv/opencv/issues/23378

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [X] I agree to contribute to the project under Apache 2 License.
- [X] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [X] The PR is proposed to the proper branch
- [X] There is a reference to the original bug report and related work
- [X] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [X] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
Laurent Berger
2023-04-06 12:02:00 +02:00
committed by GitHub
parent 793c966c40
commit 9742c73254
7 changed files with 63 additions and 33 deletions
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samples/cpp/tutorial_code/Histograms_Matching/calcBackProject_Demo1.cpp
+3 -2
View File
@@ -26,8 +26,9 @@ void Hist_and_Backproj(int, void* );
int main( int argc, char* argv[] )
{
//! [Read the image]
CommandLineParser parser( argc, argv, "{@input | | input image}" );
Mat src = imread( parser.get<String>( "@input" ) );
CommandLineParser parser( argc, argv, "{@input |Back_Projection_Theory0.jpg| input image}" );
samples::addSamplesDataSearchSubDirectory("doc/tutorials/imgproc/histograms/back_projection/images");
Mat src = imread(samples::findFile(parser.get<String>( "@input" )) );
if( src.empty() )
{
cout << "Could not open or find the image!\n" << endl;