# ECHO: An Efficient Heuristic Viewpoint Determination Method on Frontier-Based Autonomous Exploration for Quadrotors

> Research article (IEEE Robotics and Automation Letters, 2023) · cited 45× · AI/ML

**Wikidata**: [openalex:W4379382242](https://www.wikidata.org/wiki/openalex:W4379382242)  
**Source**: https://4ort.xyz/entity/echo-an-efficient-heuristic-viewpoint-determination-method-on-frontier-based-autonomous-exploration-for-quadrotors