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README.md

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Introduction

MMCV is a foundational library for computer vision research and supports many research projects as below:

  • MMDetection: Detection toolbox and benchmark
  • MMDetection3D: General 3D object detection toolbox and benchmark
  • MMSegmentation: Semantic segmentation toolbox and benchmark
  • MMEditing: Image and video editing toolbox
  • MMPose: Pose estimation toolbox and benchmark
  • MMAction2: Action understanding toolbox and benchmark
  • MMTracking: Video perception toolbox and benchmark
  • MMClassification: Image classification toolbox and benchmark
  • MMOCR: A Comprehensive Toolbox for Text Detection, Recognition and Understanding

It provides the following functionalities.

  • Universal IO APIs
  • Image/Video processing
  • Image and annotation visualization
  • Useful utilities (progress bar, timer, ...)
  • PyTorch runner with hooking mechanism
  • Various CNN architectures
  • High-quality implementation of common CUDA ops

See the documentation for more features and usage.

Note: MMCV requires Python 3.6+.

Installation

There are two versions of MMCV:

  • mmcv: lite, without CUDA ops but all other features, similar to mmcv<1.0.0. It is useful when you do not need those CUDA ops.
  • mmcv-full: comprehensive, with full features and various CUDA ops out of box. It takes longer time to build.

Note: Do not install both versions in the same environment, otherwise you may encounter errors like ModuleNotFound. You need to uninstall one before installing the other.

a. Install the lite version.

pip install mmcv

b. Install the full version.

Before installing mmcv-full, make sure that PyTorch has been successfully installed following the official guide.

We provide pre-built mmcv packages (recommended) with different PyTorch and CUDA versions to simplify the building.

i. Install the latest version.

The rule for installing the latest mmcv-full is as follows:

pip install mmcv-full -f https://download.openmmlab.com/mmcv/dist/{cu_version}/{torch_version}/index.html

Please replace {cu_version} and {torch_version} in the url to your desired one. For example, to install the latest mmcv-full with CUDA 11 and PyTorch 1.7.0, use the following command:

pip install mmcv-full -f https://download.openmmlab.com/mmcv/dist/cu110/torch1.7.0/index.html

For more details, please refer the the following tables and delete =={mmcv_version}.

ii. Install a specified version.

The rule for installing a specified mmcv-full is as follows:

pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/{cu_version}/{torch_version}/index.html

First of all, please refer to the Releases and replace {mmcv_version} a specified one. e.g. 1.2.2. Then replace {cu_version} and {torch_version} in the url to your desired versions. For example, to install mmcv-full==1.2.2 with CUDA 11 and PyTorch 1.7.0, use the following command:

pip install mmcv-full==1.2.2 -f https://download.openmmlab.com/mmcv/dist/cu110/torch1.7.0/index.html

For more details, please refer the the following tables.

CUDA torch 1.8 torch 1.7 torch 1.6 torch 1.5 torch 1.4 torch 1.3
11.1
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu111/torch1.8.0/index.html
11.0
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu110/torch1.7.0/index.html
10.2
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.8.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.7.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.6.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu102/torch1.5.0/index.html
10.1
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.8.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.7.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.6.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.5.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.4.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu101/torch1.3.0/index.html
9.2
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu92/torch1.7.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu92/torch1.6.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu92/torch1.5.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu92/torch1.4.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cu92/torch1.3.0/index.html
cpu
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.8.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.7.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.6.0/index.html
install
 pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.5.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.4.0/index.html
install
pip install mmcv-full=={mmcv_version} -f https://download.openmmlab.com/mmcv/dist/cpu/torch1.3.0/index.html

Another way is to compile locally by running

pip install mmcv-full

Note that the local compiling may take up to 10 mins.

c. Install full version with custom operators for onnxruntime

  • Check here for detailed instruction.

If you would like to build MMCV from source, please refer to the guide.

FAQ

If you face some installation issues, CUDA related issues or RuntimeErrors, you may first refer to this Trouble Shooting Page.

Contributing

We appreciate all contributions to improve MMCV. Please refer to CONTRIBUTING.md for the contributing guideline.

项目简介

🚀 Github 镜像仓库 🚀

源项目地址

https://github.com/open-mmlab/mmcv

发行版本 17

MMCV Release V1.3.0

全部发行版

贡献者 106

全部贡献者

开发语言

  • Python 61.1 %
  • C++ 21.6 %
  • Cuda 17.2 %
  • C 0.1 %
  • Dockerfile 0.0 %