![]() I’d start by cleaning up older opencv packages and installing necessary dependencies for building opencv. Resolved: Matplotlib figures not showing up or displaying.Complete installation of JetPack-3.3 (or JetPack-3.2.1 or JetPack-3.1) on the target Jetson TX2.I was kind of reluctant to remove OpenCV4Tegra and re-build OpenCV by myself. After some research, I found the recommended solution to this problem was to re-compile OpenCV. It appeared that the pre-installed OpenCV4Tegra (2.4.13.1) only provided bindings for python2.7. When I started programming with python3 on Jetson TX2, I found that import cv2 did not work. update: I added installation steps for python2, as well as the resulting cmake configuration on my Jetson TX2. Install python3/python2 ‘matplotlib’ before building opencv (this is recommended by opencv’s official documentation). Using Qt/OpenGL backend instead of GTK+ (this resolves the ‘protobuf double free’ issue for caffe: reference) 4. Added more apt package clean-up steps at the beginning 3. ![]() update: Verified opencv-3.4.2 built and run OK under JetPack-3.3. If you are installing OpenCV on a Jetson Nano, or on a Jetson TX2 / AGX Xavier with JetPack-4.2, do check out the new post. update: Added the Installing OpenCV 3.4.6 on Jetson Nano post. ![]() How to Install OpenCV (3.4.0) on Jetson TX2 ![]()
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