optical-flow-MEMFOF-Tartan-T – AI Model by egorchistov | AlphaNeural AI

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egorchistov/
optical-flow-MEMFOF-Tartan-T

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MEMFOF-Tartan-T

📄 Paper | 🌐 Project Page | 💻 Code | 🚀 Colab | 🤗 Demo

🔍 MEMFOF is a memory-efficient optical flow method for Full HD video that combines high accuracy with low VRAM usage.

⚠️ Note: This particular checkpoint is intended only for further fine-tuning and is not recommended for direct use in applications.

🛠️ Usage

Install MEMFOF via the package manager:

pip3 install git+https://github.com/msu-video-group/memfof

Then use the following snippet to compute backward and forward optical flow for three consecutive frames:

python

import torch
from memfof import MEMFOF

device = "cuda" if torch.cuda.is_available() else "cpu"
model = MEMFOF.from_pretrained("egorchistov/optical-flow-MEMFOF-Tartan-T").eval().to(device)

with torch.inference_mode():
    # [B=1, T=3, C=3, H=1080, W=1920]
    example_input = torch.randint(0, 256, [1, 3, 3, 1080, 1920], device=device)
    # [B=1, C=2, H=1080, W=1920]
    backward_flow, forward_flow = model(example_input)["flow"][-1].unbind(dim=1)

📚 Citation

@article{bargatin2025memfof,
  title={MEMFOF: High-Resolution Training for Memory-Efficient Multi-Frame Optical Flow Estimation},
  author={Bargatin, Vladislav and Chistov, Egor and Yakovenko, Alexander and Vatolin, Dmitriy},
  journal={arXiv preprint arXiv:2506.23151},
  year={2025}
}