# An Improved Method for Spot Position Detection of a Laser Tracking and Positioning System Based on a Four-Quadrant Detector

> Research article (Sensors, 2019) · cited 33× · AI/ML

**Wikidata**: [openalex:W2982344162](https://www.wikidata.org/wiki/openalex:W2982344162)  
**Source**: https://4ort.xyz/entity/an-improved-method-for-spot-position-detection-of-a-laser-tracking-and-positioning-system-based-on-a-four-quadrant-detec