# High-Accuracy Positioning in GNSS-Blocked Areas by Using the MSCKF-Based SF-RTK/IMU/Camera Tight Integration

> Research article (Remote Sensing, 2023) · cited 13× · AI/ML

**Wikidata**: [openalex:W4380080557](https://www.wikidata.org/wiki/openalex:W4380080557)  
**Source**: https://4ort.xyz/entity/high-accuracy-positioning-in-gnss-blocked-areas-by-using-the-msckf-based-sf-rtk-imu-camera-tight-integration