Robust motion detection and classification in real-life scenarios using motion vectors

Sameed Ur Rehman, Irshad Ullah, Wajahat Akbar, Altaf Hussain, Tariq Hussain, Ahmad Ali Alzubi, Insaf Ullah and Shuguang Li

PLOS ONE, 2026, vol. 21, issue 1, 1-23

Abstract: In dynamic settings such as security, autonomous driving, and robotics, effective motion detection and classification are crucial for accurate tracking amidst target and background movements. Traditional approaches, typically designed for static environments, face challenges in complex scenes with multiple types of motion. This research presents a robust algorithm for motion detection in fully dynamic scenarios, utilizing the macro block technique to generate motion vectors, followed by motion vector analysis to classify distinct types of motion. These include camera motion, object motion, background motion, and complex motion, where both background and foreground move simultaneously. By segmenting and categorizing these motion types, the proposed approach improves detection precision in cluttered, real-world environments. Furthermore, the algorithm adapts to lighting variations and is independent of specific sensor setups. Moreover, the high agreement with human judgment, achieving a 90% accuracy rate, underscores the model’s robustness and potential applicability in real-world scenarios where dynamic backgrounds are prevalent. This establishes a framework for future research in dynamic motion detection and classification.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0333191

DOI: 10.1371/journal.pone.0333191

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