labelme: 同步更新官方最新版 Labelme https://github.com/wkentaro/labelme

<h1 align="center">
  <img src="labelme/icons/icon.png"><br/>labelme
</h1>

<h4 align="center">
  Image Polygonal Annotation with Python
</h4>

<div align="center">
  <a href="#starter-guide"><b>Starter Guide</b></a>
  | <a href="#installation"><b>Installation</b></a>
  | <a href="#usage"><b>Usage</b></a>
  | <a href="#examples"><b>Examples</b></a>
  
  
</div>

<br/>

## Description

Labelme is a graphical image annotation tool inspired by <http://labelme.csail.mit.edu>.  
It is written in Python and uses Qt for its graphical interface.

<img src="examples/instance_segmentation/data_dataset_voc/JPEGImages/2011_000006.jpg" width="19%" /> <img src="examples/instance_segmentation/data_dataset_voc/SegmentationClass/2011_000006.png" width="19%" /> <img src="examples/instance_segmentation/data_dataset_voc/SegmentationClassVisualization/2011_000006.jpg" width="19%" /> <img src="examples/instance_segmentation/data_dataset_voc/SegmentationObject/2011_000006.png" width="19%" /> <img src="examples/instance_segmentation/data_dataset_voc/SegmentationObjectVisualization/2011_000006.jpg" width="19%" />  
<i>VOC dataset example of instance segmentation.</i>

<img src="examples/semantic_segmentation/.readme/annotation.jpg" width="30%" /> <img src="examples/bbox_detection/.readme/annotation.jpg" width="30%" /> <img src="examples/classification/.readme/annotation_cat.jpg" width="35%" />  
<i>Other examples (semantic segmentation, bbox detection, and classification).</i>

<img src="https://user-images.githubusercontent.com/4310419/47907116-85667800-de82-11e8-83d0-b9f4eb33268f.gif" width="30%" /> <img src="https://user-images.githubusercontent.com/4310419/47922172-57972880-deae-11e8-84f8-e4324a7c856a.gif" width="30%" /> <img src="https://user-images.githubusercontent.com/14256482/46932075-92145f00-d080-11e8-8d09-2162070ae57c.png" width="32%" />  
<i>Various primitives (polygon, rectangle, circle, line, and point).</i>

## Features

- [x] Image annotation for polygon, rectangle, circle, line and point. ([tutorial](examples/tutorial))
- [x] Image flag annotation for classification and cleaning. ([#166](https://github.com/labelmeai/labelme/pull/166))
- [x] Video annotation. ([video annotation](examples/video_annotation))
- [x] GUI customization (predefined labels / flags, auto-saving, label validation, etc). ([#144](https://github.com/labelmeai/labelme/pull/144))
- [x] Exporting VOC-format dataset for semantic/instance segmentation. ([semantic segmentation](examples/semantic_segmentation), [instance segmentation](examples/instance_segmentation))
- [x] Exporting COCO-format dataset for instance segmentation. ([instance segmentation](examples/instance_segmentation))

## Starter Guide

If you're new to Labelme, you can get started with [Labelme Starter](https://labelme.io/starter) (FREE), which contains:

- **Installation guides** for all platforms: Windows, macOS, and Linux 💻
- **Step-by-step tutorials**: first annotation to editing, exporting, and integrating with other programs 📕
- **A compilation of valuable resources** for further exploration 🔗.

## Installation

There are options:

- Platform agnostic installation: [Anaconda](#anaconda)
- Platform specific installation: [Ubuntu](#ubuntu), [macOS](#macos), [Windows](#windows)
- Pre-build binaries from [the release section](https://github.com/labelmeai/labelme/releases)

### Anaconda

You need install [Anaconda](https://www.continuum.io/downloads), then run below:

```bash
# python3
conda create --name=labelme python=3
source activate labelme
# conda install -c conda-forge pyside2
# conda install pyqt
# pip install pyqt5  # pyqt5 can be installed via pip on python3
pip install labelme
# or you can install everything by conda command
# conda install labelme -c conda-forge
```

### Ubuntu

```bash
sudo apt-get install labelme

# or
sudo pip3 install labelme

# or install standalone executable from:
# https://github.com/labelmeai/labelme/releases

# or install from source
pip3 install git+https://github.com/labelmeai/labelme
```

### macOS

```bash
brew install pyqt  # maybe pyqt5
pip install labelme

# or install standalone executable/app from:
# https://github.com/labelmeai/labelme/releases

# or install from source
pip3 install git+https://github.com/labelmeai/labelme
```

### Windows

Install [Anaconda](https://www.continuum.io/downloads), then in an Anaconda Prompt run:

```bash
conda create --name=labelme python=3
conda activate labelme
pip install labelme

# or install standalone executable/app from:
# https://github.com/labelmeai/labelme/releases

# or install from source
pip3 install git+https://github.com/labelmeai/labelme
```

## Usage

Run `labelme --help` for detail.  
The annotations are saved as a [JSON](http://www.json.org/) file.

```bash
labelme  # just open gui

# tutorial (single image example)
cd examples/tutorial
labelme apc2016_obj3.jpg  # specify image file
labelme apc2016_obj3.jpg -O apc2016_obj3.json  # close window after the save
labelme apc2016_obj3.jpg --nodata  # not include image data but relative image path in JSON file
labelme apc2016_obj3.jpg \
  --labels highland_6539_self_stick_notes,mead_index_cards,kong_air_dog_squeakair_tennis_ball  # specify label list

# semantic segmentation example
cd examples/semantic_segmentation
labelme data_annotated/  # Open directory to annotate all images in it
labelme data_annotated/ --labels labels.txt  # specify label list with a file
```

### Command Line Arguments
- `--output` specifies the location that annotations will be written to. If the location ends with .json, a single annotation will be written to this file. Only one image can be annotated if a location is specified with .json. If the location does not end with .json, the program will assume it is a directory. Annotations will be stored in this directory with a name that corresponds to the image that the annotation was made on.
- The first time you run labelme, it will create a config file in `~/.labelmerc`. You can edit this file and the changes will be applied the next time that you launch labelme. If you would prefer to use a config file from another location, you can specify this file with the `--config` flag.
- Without the `--nosortlabels` flag, the program will list labels in alphabetical order. When the program is run with this flag, it will display labels in the order that they are provided.
- Flags are assigned to an entire image. [Example](examples/classification)
- Labels are assigned to a single polygon. [Example](examples/bbox_detection)

### FAQ

- **How to convert JSON file to numpy array?** See [examples/tutorial](examples/tutorial#convert-to-dataset).
- **How to load label PNG file?** See [examples/tutorial](examples/tutorial#how-to-load-label-png-file).
- **How to get annotations for semantic segmentation?** See [examples/semantic_segmentation](examples/semantic_segmentation).
- **How to get annotations for instance segmentation?** See [examples/instance_segmentation](examples/instance_segmentation).

## Examples

* [Image Classification](examples/classification)
* [Bounding Box Detection](examples/bbox_detection)
* [Semantic Segmentation](examples/semantic_segmentation)
* [Instance Segmentation](examples/instance_segmentation)
* [Video Annotation](examples/video_annotation)

## How to develop

```bash
git clone https://github.com/labelmeai/labelme.git
cd labelme

# Install anaconda3 and labelme
curl -L https://github.com/wkentaro/dotfiles/raw/main/local/bin/install_anaconda3.sh | bash -s .
source .anaconda3/bin/activate
pip install -e .
```

### How to build standalone executable

Below shows how to build the standalone executable on macOS, Linux and Windows.

```bash
# Setup conda
conda create --name labelme python=3.9
conda activate labelme

# Build the standalone executable
pip install .
pip install 'matplotlib<3.3'
pip install pyinstaller
pyinstaller labelme.spec
dist/labelme --version
```

### How to contribute

Make sure below test passes on your environment.  
See `.github/workflows/ci.yml` for more detail.

```bash
pip install -r requirements-dev.txt

ruff format --check  # `ruff format` to auto-fix
ruff check  # `ruff check --fix` to auto-fix
MPLBACKEND='agg' pytest -vsx tests/
```

## Acknowledgement

This repo is the fork of [mpitid/pylabelme](https://github.com/mpitid/pylabelme).

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