CFTrack: Enhancing Lightweight Visual Tracking through Contrastive Learning and Feature Matching

• URL: http://arxiv.org/abs/2502.19705v1
• Date: Thu, 27 Feb 2025 02:46:00 GMT
• Title: CFTrack: Enhancing Lightweight Visual Tracking through Contrastive Learning and Feature Matching
• Authors: Juntao Liang, Jun Hou, Weijun Zhang, Yong Wang,
• Abstract summary: CFTrack is a lightweight tracker that integrates contrastive learning and feature matching to enhance discriminative feature representations.<n>We show that CFTrack surpasses many state-of-the-art lightweight trackers, operating at 136 frames per second on the NVIDIA Jetson NX platform.
• Score: 7.205438642578179
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Achieving both efficiency and strong discriminative ability in lightweight visual tracking is a challenge, especially on mobile and edge devices with limited computational resources. Conventional lightweight trackers often struggle with robustness under occlusion and interference, while deep trackers, when compressed to meet resource constraints, suffer from performance degradation. To address these issues, we introduce CFTrack, a lightweight tracker that integrates contrastive learning and feature matching to enhance discriminative feature representations. CFTrack dynamically assesses target similarity during prediction through a novel contrastive feature matching module optimized with an adaptive contrastive loss, thereby improving tracking accuracy. Extensive experiments on LaSOT, OTB100, and UAV123 show that CFTrack surpasses many state-of-the-art lightweight trackers, operating at 136 frames per second on the NVIDIA Jetson NX platform. Results on the HOOT dataset further demonstrate CFTrack's strong discriminative ability under heavy occlusion.

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