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Wildbook IA - wbia_pie_v2

The repository is forked and further updated/maintained with WildMe

Pose Invariant Embedding Re-identification Plug-in - Part of the WildMe / Wildbook IA Project.

A plugin for re-identification of wildlife individuals based on unique natural body markings. Updated implementation with PyTorch (first version here).

Installation

./run_developer_setup.sh

REST API

With the plugin installed, register the module name with the WBIAControl.py file in the wbia repository located at wbia/wbia/control/WBIAControl.py. Register the module by adding the string (for example, wbia_plugin_identification_example) to the list AUTOLOAD_PLUGIN_MODNAMES.

Then, load the web-based WBIA IA service and open the URL that is registered with the @register_api decorator.

cd ~/code/wbia/
python dev.py --web

Navigate in a browser to http://127.0.0.1:5000/api/plugin/example/helloworld/ where this returns a formatted JSON response, including the serialized returned value from the wbia_plugin_identification_example_hello_world() function

{"status": {"cache": -1, "message": "", "code": 200, "success": true}, "response": "[wbia_plugin_identification_example] hello world with WBIA controller <WBIAController(testdb1) at 0x11e776e90>"}

Python API

python
>>> import wbia_pie_v2
>>> from wbia_pie_v2._plugin import DEMOS, CONFIGS, MODELS
>>> species = 'whale_shark'
>>> test_ibs = wbia_pie_v2._plugin.wbia_pie_v2_test_ibs(DEMOS[species], species, 'test2021')
>>> aid_list = test_ibs.get_valid_aids(species=species)
>>> rank1 = test_ibs.evaluate_distmat(aid_list, CONFIGS[species], use_depc=False)
>>> expected_rank1 = 0.81366
>>> assert abs(rank1 - expected_rank1) < 1e-2

The function from the plugin is automatically added as a method to the ibs object as ibs.pie_embedding(), which is registered using the @register_ibs_method decorator.

Code Style and Development Guidelines

Contributing

It's recommended that you use pre-commit to ensure linting procedures are run on any commit you make. (See also pre-commit.com)

Reference pre-commit's installation instructions for software installation on your OS/platform. After you have the software installed, run pre-commit install on the command line. Now every time you commit to this project's code base the linter procedures will automatically run over the changed files. To run pre-commit on files preemtively from the command line use:

git add .
pre-commit run

# or

pre-commit run --all-files

Brunette

Our code base has been formatted by Brunette, which is a fork and more configurable version of Black (https://black.readthedocs.io/en/stable/).

Flake8

Try to conform to PEP8. You should set up your preferred editor to use flake8 as its Python linter, but pre-commit will ensure compliance before a git commit is completed.

To run flake8 from the command line use:

flake8

This will use the flake8 configuration within setup.cfg, which ignores several errors and stylistic considerations. See the setup.cfg file for a full and accurate listing of stylistic codes to ignore.

PyTest

Our code uses Google-style documentation tests (doctests) that uses pytest and xdoctest to enable full support. To run the tests from the command line use:

pytest

To run doctests with +REQUIRES(--web-tests) do:

pytest --web-tests

Results and Examples

Quantitative and qualitative results are presented here

Implementation details

Dependencies

  • Python >= 3.7
  • PyTorch >= 1.5
  • Torchvision >= 0.8

Source Data

Key annotations required:

  • bounding box containing a pattern of interest
  • unique name of an animal individual

Training

Run the training script:

cd wbia_pie_v2
python train.py --cfg <path_to_config_file> <additional_optional_params>

Configuration files are listed in wbia_pie_v2/configs folder. For example, the following line trains the model with parameters specified in the config file:

python train.py --cfg configs/01_whaleshark_cropped_resnet50.yaml

To override a parameter in config, add this parameter as a command line argument:

python train.py --cfg configs/01_whaleshark_cropped_resnet50.yaml train.batch_size 48

To evaluate a model on the test subset, set the parameter test.evaluate True and parameter test.visrank True to visualize results. Provide a path to the model saved during training. For example:

python train.py --cfg configs/01_whaleshark_cropped_resnet50.yaml test.evaluate True model.load_weights <path_to_trained_model>

Acknowledgement

The code is adapted from TorchReid library for person re-identification.

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