[Ask for Help] simple_camera.cpp:10:10: fatal error: opencv2/opencv.hpp: No such file or directory

[zinwalin]

Describe the issue jetson@nano:~/CSI-Camera$ g++ -std=c++11 -Wall -I/usr/lib/opencv simple_camera.cpp -L/usr/lib -lopencv_core -lopencv_highgui -lopencv_videoio -o simple_camera simple_camera.cpp:10:10: fatal error: opencv2/opencv.hpp: No such file or directory #include <opencv2/opencv.hpp> ^~~~~~~~~~~~~~~~~~~~ compilation terminated.

What version of L4T/JetPack L4T/JetPack version: jetson@nano:~/CSI-Camera$ jetson_release

• NVIDIA Jetson Nano (Developer Kit Version)
  • Jetpack 4.5.1 [L4T 32.5.1]
  • NV Power Mode: MAXN - Type: 0
  • jetson_stats.service: active
• Libraries:
  • CUDA: 10.2.89
  • cuDNN: 8.0.0.180
  • TensorRT: 7.1.3.0
  • Visionworks: 1.6.0.501
  • OpenCV: 4.1.1 compiled CUDA: NO
  • VPI: ii libnvvpi1 1.0.15 arm64 NVIDIA Vision Programming Interface library
  • Vulkan: 1.2.70

What version of OpenCV OpenCV version: jetson@nano:~/CSI-Camera$ python Python 2.7.17 (default, Sep 30 2020, 13:38:04) [GCC 7.5.0] on linux2 Type "help", "copyright", "credits" or "license" for more information.

import cv2 cv2.version '4.1.1'

Python Version Python version if applicable: jetson@nano:~/CSI-Camera$ python3 --version Python 3.6.9 jetson@nano:~/CSI-Camera$ python --version Python 2.7.17

To Reproduce Steps to reproduce the behavior: For example, what command line did you run?

Expected behavior A clear and concise description of what you expected to happen.

Additional context Add any other context about the problem here.

[RobotianViking]

Location of included OpenCV include files are placed in /usr/include/opencv4 Compiled it succesfully with g++ -std=c++11 -Wall -I/usr/include/opencv4 simple_camera.cpp -L/usr/lib -lopencv_core -lopencv_highgui -lopencv_videoio -o simple_camera