Seg2Track-SAM2

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Seg2Track-SAM2 최신버젼 다운로드

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# Seg2Track-SAM2

Diogo Mendonça, Tiago Barros, Cristiano Premebida, Urbano J.Nunes

[[Paper](https://arxiv.org/abs/2509.11772.)]

Recent advances in foundation models like SAM2 have demonstrated strong zero-shot generalization for video segmentation. However, directly applying SAM2 to Multi-Object Tracking and Segmentation (MOTS) is limited by challenges in identity management and memory efficiency.

Seg2Track-SAM2 addresses these challenges by:
- Integrating pre-trained object detectors with SAM2
- Introducing a novel Seg2Track module for track initialization, management, and reinforcement
- Remaining detector-agnostic and requiring no fine-tuning
  
![Seg2Track-SAM2 architecture](https://raw.githubusercontent.com/hcmr-lab/Seg2Track-SAM2/main/assets/pipeline.png)

## Installation

SAM 2 needs to be installed first before use. The code requires `python>=3.10`, as well as `torch>=2.5.1` and `torchvision>=0.20.1`. Please follow the instructions [here](https://pytorch.org/get-started/locally/) to install both PyTorch and TorchVision dependencies. You can install SAM 2 on a GPU machine using:

```bash
git clone https://github.com/facebookresearch/sam2.git && cd sam2

pip install -e .
```
If you are installing on Windows, it's strongly recommended to use [Windows Subsystem for Linux (WSL)](https://learn.microsoft.com/en-us/windows/wsl/install) with Ubuntu.

To use the SAM 2 predictor and run the example notebooks, `jupyter` and `matplotlib` are required and can be installed by:

```bash
pip install -e ".[notebooks]"
```

Note:
1. It's recommended to create a new Python environment via [Anaconda](https://www.anaconda.com/) for this installation and install PyTorch 2.5.1 (or higher) via `pip` following https://pytorch.org/. If you have a PyTorch version lower than 2.5.1 in your current environment, the installation command above will try to upgrade it to the latest PyTorch version using `pip`.
2. The step above requires compiling a custom CUDA kernel with the `nvcc` compiler. If it isn't already available on your machine, please install the [CUDA toolkits](https://developer.nvidia.com/cuda-toolkit-archive) with a version that matches your PyTorch CUDA version.
3. If you see a message like `Failed to build the SAM 2 CUDA extension` during installation, you can ignore it and still use SAM 2 (some post-processing functionality may be limited, but it doesn't affect the results in most cases).

### Execution

This model is ready to run KITTI and MOT datasets with the kitti_run and mot_run scripts, respectively. In order to run said scripts, it is necessary to supply a configuration file with the flag --config (check configs folder for some examples).

Detections must be supplied on the config file. This must follow the format defined for TrackRCNN detections (supplied in KITTI) or MOT detectors.

### Download Checkpoints

All the model checkpoints can be downloaded by running:

```bash
cd checkpoints && \
./download_ckpts.sh && \
cd ..
```

or individually from:

- [sam2.1_hiera_tiny.pt](https://dl.fbaipublicfiles.com/segment_anything_2/092824/sam2.1_hiera_tiny.pt)
- [sam2.1_hiera_small.pt](https://dl.fbaipublicfiles.com/segment_anything_2/092824/sam2.1_hiera_small.pt)
- [sam2.1_hiera_base_plus.pt](https://dl.fbaipublicfiles.com/segment_anything_2/092824/sam2.1_hiera_base_plus.pt)
- [sam2.1_hiera_large.pt](https://dl.fbaipublicfiles.com/segment_anything_2/092824/sam2.1_hiera_large.pt)

## License

The SAM 2 model checkpoints, SAM 2 demo code (front-end and back-end), and SAM 2 training code are licensed under [Apache 2.0](./LICENSE), however the [Inter Font](https://github.com/rsms/inter?tab=OFL-1.1-1-ov-file) and [Noto Color Emoji](https://github.com/googlefonts/noto-emoji) used in the SAM 2 demo code are made available under the [SIL Open Font License, version 1.1](https://openfontlicense.org/open-font-license-official-text/).

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