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Installation

Requirements

  • Linux or macOS (Windows is not currently officially supported)
  • Python 3.6+
  • PyTorch 1.3+
  • CUDA 9.2+ (If you build PyTorch from source, CUDA 9.0 is also compatible)
  • GCC 5+
  • mmcv 0.6.2
  • BboxToolkit 1.0

Install OBBDetection

a. Create a conda virtual environment and activate it.

conda create -n obbdetection python=3.7 -y
conda activate obbdetection

b. Install PyTorch and torchvision following the official instructions, e.g.,

conda install pytorch torchvision -c pytorch

Note: Make sure that your compilation CUDA version and runtime CUDA version match. You can check the supported CUDA version for precompiled packages on the PyTorch website.

E.g.1 If you have CUDA 10.1 installed under /usr/local/cuda and would like to install PyTorch 1.5, you need to install the prebuilt PyTorch with CUDA 10.1.

conda install pytorch cudatoolkit=10.1 torchvision -c pytorch

E.g. 2 If you have CUDA 9.2 installed under /usr/local/cuda and would like to install PyTorch 1.3.1., you need to install the prebuilt PyTorch with CUDA 9.2.

conda install pytorch=1.3.1 cudatoolkit=9.2 torchvision=0.4.2 -c pytorch

If you build PyTorch from source instead of installing the prebuilt pacakge, you can use more CUDA versions such as 9.0.

c. Clone the OBBDetection repository.

git clone https://github.com/jbwang1997/OBBDetection.git --recursive
cd OBBDetection

d. Install build requirements and then install OBBDetection.

# install the BboxToolkit
cd BboxToolkit
pip install -v -e .  # or "python setup.py develop"
cd ..

# install the OBBDetection
pip install -r requirements/build.txt
pip install mmpycocotools
pip install mmcv==0.6.2
pip install -v -e .  # or "python setup.py develop"

If you build OBBDetection on macOS, replace the last command with

CC=clang CXX=clang++ CFLAGS='-stdlib=libc++' pip install -e .

Note:

  1. The git commit id will be written to the version number with step d, e.g. 0.6.0+2e7045c. The version will also be saved in trained models. It is recommended that you run step d each time you pull some updates from github. If C++/CUDA codes are modified, then this step is compulsory.

    Important: Be sure to remove the ./build folder if you reinstall mmdet with a different CUDA/PyTorch version.

    pip uninstall mmdet
rm -rf ./build
find . -name "*.so" | xargs rm

  2. Following the above instructions, OBBDetection is installed on dev mode, any local modifications made to the code will take effect without the need to reinstall it (unless you submit some commits and want to update the version number).

  3. If you would like to use opencv-python-headless instead of opencv-python, you can install it before installing MMCV.

  4. Some dependencies are optional. Simply running pip install -v -e . will only install the minimum runtime requirements. To use optional dependencies like albumentations and imagecorruptions either install them manually with pip install -r requirements/optional.txt or specify desired extras when calling pip (e.g. pip install -v -e .[optional]). Valid keys for the extras field are: all, tests, build, and optional.

Install with CPU only

The code can be built for CPU only environment (where CUDA isn't available).

In CPU mode you can run the demo/webcam_demo.py for example. However some functionality is gone in this mode:

  • Deformable Convolution
  • Deformable ROI pooling
  • CARAFE: Content-Aware ReAssembly of FEatures
  • nms_cuda
  • sigmoid_focal_loss_cuda

So if you try to run inference with a model containing deformable convolution you will get an error. Note: We set use_torchvision=True on-the-fly in CPU mode for RoIPool and RoIAlign