# Source Registry: XFeat vs SuperPoint+LightGlue Low-Texture Matching

## Source #1
- **Title**: XFeat: Accelerated Features for Lightweight Image Matching
- **Link**: https://arxiv.org/html/2404.19174v1
- **Tier**: L1
- **Publication Date**: 2024-04
- **Summary**: CVPR 2024 paper. Megadepth-1500 Table 1 (XFeat, SuperPoint, DISK with MNN). Appendix F: LightGlue vs XFeat* (61.4 vs 50.2 AUC@5°). XFeat uses dual-softmax + MNN. Textureless demo vs SIFT. ScanNet indoor generalization.
- **Related Sub-question**: 1, 2, 3, 5

## Source #2
- **Title**: LightGlue: Local Feature Matching at Light Speed
- **Link**: https://openaccess.thecvf.com/content/ICCV2023/html/Lindenberger_LightGlue_Local_Feature_Matching_at_Light_Speed_ICCV_2023_paper.html
- **Tier**: L1
- **Publication Date**: 2023
- **Summary**: ICCV 2023. Transformer matcher with self/cross-attention. Adaptive computation. Typically paired with SuperPoint.
- **Related Sub-question**: 3

## Source #3
- **Title**: Nature Sci Rep 2025 - Table 2 Relative pose estimation MegaDepth-1500
- **Link**: https://www.nature.com/articles/s41598-025-21602-5/tables/2
- **Tier**: L1
- **Publication Date**: 2025
- **Summary**: LightGlue: RANSAC 47.83%, AUC@5° 86.8, AUC@10° 96.3. SuperGlue, OmniGlue, DALGlue comparison. Detector not specified.
- **Related Sub-question**: 1

## Source #4
- **Title**: verlab/accelerated_features
- **Link**: https://github.com/verlab/accelerated_features
- **Tier**: L1
- **Summary**: XFeat implementation. Textureless scene demo. LightGlue integration (Issue #67). GlueFactory.
- **Related Sub-question**: 5

## Source #5
- **Title**: cvg/LightGlue
- **Link**: https://github.com/cvg/LightGlue
- **Tier**: L1
- **Summary**: LightGlue implementation. Issue #128: XFeat_with_lightglue. SuperPoint pairing.
- **Related Sub-question**: 5

## Source #6
- **Title**: vismatch/xfeat-lightglue
- **Link**: https://huggingface.co/vismatch/xfeat-lightglue
- **Tier**: L2
- **Summary**: Pre-trained XFeat+LightGlue model. vismatch library.
- **Related Sub-question**: 5

## Source #7
- **Title**: LightGlueStick: Joint Point-Line Matching
- **Link**: https://arxiv.org/html/2510.16438v1
- **Tier**: L1
- **Summary**: Line segments in texture-less regions. LightGlue architecture for low-texture.
- **Related Sub-question**: 3

## Source #8
- **Title**: Novel real-time matching for low-overlap agricultural UAV images with repetitive textures
- **Link**: https://www.sciencedirect.com/science/article/abs/pii/S092427162500190X
- **Tier**: L1
- **Summary**: Agricultural UAV, repetitive textures, low overlap. Global texture information for weak-textured regions.
- **Related Sub-question**: 2, 4
