Grid Jigsaw Representation with CLIP: A New Perspective on Image Clustering

• URL: http://arxiv.org/abs/2310.17869v2
• Date: Thu, 13 Feb 2025 10:02:14 GMT
• Title: Grid Jigsaw Representation with CLIP: A New Perspective on Image Clustering
• Authors: Zijie Song, Zhenzhen Hu, Richang Hong,
• Abstract summary: We propose a new perspective on image clustering, the pretrain-based Grid Jigsaw Representation (pGJR) Inspired by human jigsaw puzzle processing, we modify the traditional jigsaw learning to gain a more sequential and incremental understanding of image structure. Our experiments demonstrate that using the pretrained model as a feature extractor can accelerate the convergence of clustering.
• Score: 33.05984601411495
• License:
• Abstract: Unsupervised representation learning for image clustering is essential in computer vision. Although the advancement of visual models has improved image clustering with efficient visual representations, challenges still remain. Firstly, existing features often lack the ability to represent the internal structure of images, hindering the accurate clustering of visually similar images. Secondly, finer-grained semantic labels are often missing, limiting the ability to capture nuanced differences and similarities between images. In this paper, we propose a new perspective on image clustering, the pretrain-based Grid Jigsaw Representation (pGJR). Inspired by human jigsaw puzzle processing, we modify the traditional jigsaw learning to gain a more sequential and incremental understanding of image structure. We also leverage the pretrained CLIP to extract the prior features which can benefit from the enhanced cross-modal representation for richer and more nuanced semantic information and label level differentiation. Our experiments demonstrate that using the pretrained model as a feature extractor can accelerate the convergence of clustering. We append the GJR module to pGJR and observe significant improvements on common-use benchmark datasets. The experimental results highlight the effectiveness of our approach in the clustering task, as evidenced by improvements in the ACC, NMI, and ARI metrics, as well as the super-fast convergence speed.

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