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Deep Learning Approaches for Pedestrian Detection: A Review of Recent Advances

Hengshuai Fan*, Weichun Bu

Abstract


Pedestrian detection represents a fundamental task in computer vision with extensive applications in intelligent transportation, autonomous driving, and smart surveillance. Practical deployment of pedestrian detection systems remains constrained by persistent challenges,
including occlusion, multi-scale target variations, illumination fluctuations, and dense crowd scenarios. This paper systematically reviews
the three-stage evolutionary trajectory of pedestrian detection technologies, analyzes mainstream architectures exemplified by the YOLO and
DETR series, summarizes core optimization techniques, and compares algorithmic performance in terms of accuracy, speed, and adaptability.
It further discusses prevailing limitations and outlines prospective research directions, thereby providing a valuable reference for algorithm
optimization and engineering implementation.

Keywords


Computer vision; Object detection; Pedestrian detection; Deep learning; Lightweight model

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References


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DOI: http://dx.doi.org/10.70711/aitr.v4i4.10159

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