https://bugs.kde.org/show_bug.cgi?id=454941
--- Comment #5 from caulier.gil...@gmail.com --- Hi, If i compare more in deep the opencv differences between build factory and binary factory: - from build factory (MSVC) where digiKam code detect OpenCV: 06:22:55 -- Found OpenCV: C:/Craft/CI-Qt515/windows-msvc2019_64-cl-debug (found version "4.5.1") found components: core objdetect imgproc imgcodecs dnn flann 06:22:55 -- OpenCV Root directory is: C:/Craft/CI-Qt515/windows-msvc2019_64-cl-debug/lib/cmake/opencv4 06:22:55 -- OpenCV: Found version 4.5.1 (required: 3.3.0) 06:22:55 -- OpenCV headers: C:/Craft/CI-Qt515/windows-msvc2019_64-cl-debug/include/opencv4 06:22:55 -- OpenCV libs : opencv_core;opencv_objdetect;opencv_imgproc;opencv_imgcodecs;opencv_dnn;opencv_flann - from the binary factory (MSVC) where digiKam code DO NOT detect OpenCV: 11:12:30 -- Found OpenCV: C:/Craft/BinaryFactory/windows-msvc2019_64-cl (found version "4.5.3") found components: core objdetect imgproc imgcodecs dnn flann 11:12:30 -- OpenCV Root directory is: C:/Craft/BinaryFactory/windows-msvc2019_64-cl/lib/cmake/opencv4 11:12:30 -- OpenCV: Found version 4.5.3 (required: 3.3.0) 11:12:30 -- OpenCV headers: C:/Craft/BinaryFactory/windows-msvc2019_64-cl/include/opencv4 11:12:30 -- OpenCV libs : opencv_core;opencv_objdetect;opencv_imgproc;opencv_imgcodecs;opencv_dnn;opencv_flann - from the binary factory (MinGW) where digiKam code detect OpenCV: 03:19:26 -- Found OpenCV: C:/Craft/BinaryFactory/windows-mingw_64-gcc (found version "4.5.3") found components: core objdetect imgproc imgcodecs dnn flann 03:19:26 -- OpenCV Root directory is: C:/Craft/BinaryFactory/windows-mingw_64-gcc/lib/cmake/opencv4 03:19:26 -- OpenCV: Found version 4.5.3 (required: 3.3.0) 03:19:26 -- OpenCV headers: C:/Craft/BinaryFactory/windows-mingw_64-gcc/include/opencv4 03:19:26 -- OpenCV libs : opencv_core;opencv_objdetect;opencv_imgproc;opencv_imgcodecs;opencv_dnn;opencv_flann So: - build factory MSVC : opencv 4.5.1 with debug symbols -> OK. - binary factory MSVC : opencv 4.5.3 with no debug symbol -> DO NOT WORK. - binary factory Mingw : opencv 4.5.3 with no debug symbol -> OK. It sound like the MSVC compiled version of opencv 4.5.3 is not well installed Best Gilles Caulier -- You are receiving this mail because: You are watching all bug changes.