---
license: mit
tags:
  - kornia
  - orientation-estimation
  - feature-detection
---

# kornia/orinet

Pretrained weights for **OriNet**,
used by [`kornia.feature.LAFOrienter`](https://kornia.readthedocs.io/en/latest/feature.html).

OriNet is a CNN that regresses the dominant gradient orientation for a keypoint patch,
trained with a Siamese setup to produce consistent orientations across viewpoints.
Companion to AffNet. ECCV 2018.

**Original repo:** [ducha-aiki/affnet](https://github.com/ducha-aiki/affnet)

## Weights

| File | Description |
|------|-------------|
| `OriNet.pth` | Default checkpoint |

## Citation

```bibtex
@inproceedings{AffNet2018,
    author    = {D. Mishkin and F. Radenovic and J. Matas},
    title     = {{Repeatability is Not Enough}: Learning Affine Regions
                 via Discriminability},
    booktitle = {ECCV},
    year      = {2018}
}
```