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Live, low-latency 2D and 3D tracking from single or multiple high-speed cameras

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strawlab/strand-braid

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Strand-Braid

User's Guide

Description

Strand Camera is low-latency camera acquisition and tracking software. It is useful for 2D tracking of animals, robots, or other moving objects. It also serves as the basis for 3D tracking using Braid.

Braid is multi-camera acquisition and tracking software. It is useful for 3D tracking of animals, robots, or other moving objects. It operates with low latency and is suitable for closed-loop experimental systems such as virtual reality for freely moving animals.

This repository is a mono repository that houses the source code for both pieces of software as well as many other related pieces, mostly written as Rust crates.

Users, as opposed to developers, of this software should refer to the strand-braid-user directory which contains user documentation and scripts for interacting with the software and performing data analysis.

Documentation

Discussion

Citation

While a new publication specifically about Braid should be written, in the meantime, please cite the following paper about the predecessor to Braid:

  • Straw AD, Branson K, Neumann TR, Dickinson MH. Multicamera Realtime 3D Tracking of Multiple Flying Animals. Journal of The Royal Society Interface 8(11), 395-409 (2011) doi:10.1098/rsif.2010.0230

If you additionally make use of 3D tracking of objects under water with cameras above water (i.e. perform fish tracking), please additionally cite this:

  • Stowers JR*, Hofbauer M*, Bastien R, Griessner J⁑, Higgins P⁑, Farooqui S⁑, Fischer RM, Nowikovsky K, Haubensak W, Couzin ID, Tessmar-Raible K✎, Straw AD✎. Virtual Reality for Freely Moving Animals. Nature Methods 14, 995–1002 (2017) doi:10.1038/nmeth.4399

Installing

Please see the Installation section of our User Guide.

Building for Development

Prerequisites

Install rust.

Install wasm-pack.

Install your camera drivers. Currently Basler Pylon and Allied Vision Vimba are supported.

First checkout the git repository into a location which will below be called /path/to/strand-braid:

cd /path/to # <---- change this to a suitable filesystem directory
git clone https://github.com/strawlab/strand-braid
cd strand-braid # now in /path/to/strand-braid

Strand Camera

First, build the browser user interface (BUI) for Strand Camera. This will build files in strand-cam/yew_frontend/pkg which get included in the Strand Cam executable:

cd /path/to/strand-braid/strand-cam/yew_frontend
wasm-pack build --target web

Then, build the Strand Cam executable for Basler cameras using the Pylon drivers, which must be preinstalled:

cd /path/to/strand-braid/strand-cam/strand-cam-pylon
cargo build --release
# By default, the executable will be put in /path/to/strand-braid/target/release/strand-cam-pylon

Alternatively or additionally, build the Strand Cam executable for Allied Vision cameras using the Vimba drivers, which must be preinstalled:

cd /path/to/strand-braid/strand-cam/strand-cam-vimba
cargo build --release
# By default, the executable will be put in /path/to/strand-braid/target/release/strand-cam-vimba

Many compile-time options exist to adjust the exact features used, but the instructions above should build a working copy of Strand Camera albeit with potentially reduced features and performance.

Braid

We will build braid-run which is the main runtime application we call "Braid".

First, build the browser user interface (BUI) for Braid. This will build files in braid/braid-run/braid_frontend/pkg which get included in the braid-run executable:

cd /path/to/strand-braid/braid/braid-run/braid_frontend
wasm-pack build --target web

Then, build the braid-run executable:

cd /path/to/strand-braid/braid/braid-run
cargo build --release
# By default, the executable will be put in /path/to/strand-braid/target/release/braid-run

License

This software is developed by Prof. Dr. Andrew Straw at the University of Freiburg, Germany.

This open-source software is distributable under the terms of the Affero General Public License v1.0 only. See COPYRIGHT and LICENSE.txt for more details.

Future license plans

We have a goal to release many of the generally useful crates under licenses such as the MIT license, the Apache License (Version 2.0), and BSD-like licenses. Please get in touch if there are specific pieces of code where this would be helpful so we can judge interest and prioritize this.

Contributions

Any kinds of contributions are welcome as a pull request.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this software by you, as defined in the Apache-2.0 license, shall be dual licensed under the terms of the

without any additional terms or conditions. (This helps us realize the future license plans as described above.)

Code of conduct

Anyone who interacts with this software in any space, including but not limited to this GitHub repository, must follow our code of conduct.

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Live, low-latency 2D and 3D tracking from single or multiple high-speed cameras

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