I have installed opencv on my jetson nano. But I get this error:
stiv@nano:~/yolo-tensorrt/build$ cmake ..
-- gflags found
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Found CUDA: /usr/local/cuda (found version "10.0")
-- CUDA version:$(CUDA_VERSION)
-- CUDA 10 detected
-- Found OpenCV: /usr/local (found version "4.1.2")
-- Configuring done
-- Generating done
-- Build files have been written to: /home/stiv/yolo-tensorrt/build
stiv@nano:~/yolo-tensorrt/build$ make
[ 7%] Building NVCC (Device) object CMakeFiles/detector.dir/modules/detector_generated_kernel.cu.o
Scanning dependencies of target detector
[ 14%] Building CXX object CMakeFiles/detector.dir/modules/calibrator.cpp.o
In file included from /home/stiv/yolo-tensorrt/modules/ds_image.h:28:0,
from /home/stiv/yolo-tensorrt/modules/calibrator.h:29,
from /home/stiv/yolo-tensorrt/modules/calibrator.cpp:26:
/home/stiv/yolo-tensorrt/modules/trt_utils.h:32:10: fatal error: opencv2/opencv.hpp: No such file or directory
#include <opencv2/opencv.hpp>
^~~~~~~~~~~~~~~~~~~~
compilation terminated.
CMakeFiles/detector.dir/build.make:69: recipe for target 'CMakeFiles/detector.dir/modules/calibrator.cpp.o' failed
make[2]: *** [CMakeFiles/detector.dir/modules/calibrator.cpp.o] Error 1
CMakeFiles/Makefile2:104: recipe for target 'CMakeFiles/detector.dir/all' failed
make[1]: *** [CMakeFiles/detector.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2
stiv@nano:~/yolo-tensorrt/build$ locate opencv2/opencv.hpp
/home/stiv/jsoft/opencv-4.1.2/include/opencv2/opencv.hpp
/home/stiv/jsoft-1.0/opencv-4.1.2/include/opencv2/opencv.hpp
/usr/include/opencv4/opencv2/opencv.hpp
/usr/local/include/opencv4/opencv2/opencv.hpp