# Learn then match: A fast coarse-to-fine depth image-based indoor localization framework for dark environments via deep learning and keypoint-based geometry alignment

> Research article (ISPRS Journal of Photogrammetry and Remote Sensing, 2022) · cited 25× · AI/ML

**Wikidata**: [openalex:W4311403618](https://www.wikidata.org/wiki/openalex:W4311403618)  
**Source**: https://4ort.xyz/entity/learn-then-match-a-fast-coarse-to-fine-depth-image-based-indoor-localization-framework-for-dark-environments-via-deep-le