# Research on Feature Extraction Method of Indoor Visual Positioning Image Based on Area Division of Foreground and Background

> Research article (ISPRS International Journal of Geo-Information, 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W3172859301](https://www.wikidata.org/wiki/openalex:W3172859301)  
**Source**: https://4ort.xyz/entity/research-on-feature-extraction-method-of-indoor-visual-positioning-image-based-on-area-division-of-foreground-and-backgr