Relational Self-supervised Distillation with Compact Descriptors for Image Copy Detection

• URL: http://arxiv.org/abs/2405.17928v5
• Date: Sat, 09 Nov 2024 16:02:12 GMT
• Title: Relational Self-supervised Distillation with Compact Descriptors for Image Copy Detection
• Authors: Juntae Kim, Sungwon Woo, Jongho Nang,
• Abstract summary: We propose a novel method that achieves competitive performance by using a lightweight network and compact descriptors. We introduce relational self-supervised distillation for flexible representation in a smaller feature space. For the DISC2021 benchmark, ResNet-50 and EfficientNet-B0 are used as the teacher and student models.
• Score: 4.336779198334904
• License:
• Abstract: Image copy detection is the task of detecting edited copies of any image within a reference database. While previous approaches have shown remarkable progress, the large size of their networks and descriptors remains a disadvantage, complicating their practical application. In this paper, we propose a novel method that achieves competitive performance by using a lightweight network and compact descriptors. By utilizing relational self-supervised distillation to transfer knowledge from a large network to a small network, we enable the training of lightweight networks with smaller descriptor sizes. We introduce relational self-supervised distillation for flexible representation in a smaller feature space and apply contrastive learning with a hard negative loss to prevent dimensional collapse. For the DISC2021 benchmark, ResNet-50 and EfficientNet-B0 are used as the teacher and student models, respectively, with micro average precision improving by 5.0\%/4.9\%/5.9\% for 64/128/256 descriptor sizes compared to the baseline method. The code is available at \href{https://github.com/juntae9926/RDCD}{https://github.com/juntae9926/RDCD}.

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