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The central aim is to review various vision-based navigation techniques for UAVs and identify challenges.

Vision-Based Navigation Techniques for Unmanned Aerial Vehicles: Review and Challenges

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The central aim is to review various vision-based navigation techniques for UAVs and identify challenges.
Comprehensive review of existing vision-based UAV navigation techniques.
Categorization and qualitative comparison of techniques based on capabilities.
Discussion of open research challenges in vision-based navigation design.
Identified major components of visual navigation include visual localization and mapping, obstacle avoidance, and path planning.
Highlighted advantages of cheaper visual sensors over traditional GPS-based methods.
Outlined key research challenges that hinder the implementation of robust vision-based navigation systems.

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Review of vision-based navigation techniques for unmanned aerial vehicles, revealing challenges in implementation.

Arafat et al. (2023) studied this question.

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