Object-level Correlation for Few-Shot Segmentation

• URL: http://arxiv.org/abs/2509.07917v1
• Date: Tue, 09 Sep 2025 16:58:28 GMT
• Title: Object-level Correlation for Few-Shot Segmentation
• Authors: Chunlin Wen, Yu Zhang, Jie Fan, Hongyuan Zhu, Xiu-Shen Wei, Yijun Wang, Zhiqiang Kou, Shuzhou Sun,
• Abstract summary: Few-shot semantic segmentation (FSS) aims to segment objects of novel categories in the query images given only a few annotated support samples.<n>We propose an Object-level Correlation Network (OCNet) by establishing the object-level correlation between the support target object and query general objects.<n>The generated object-level correlation can mine the query target feature and suppress the hard pixel noise for the final prediction.
• Score: 37.247888341920984
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Few-shot semantic segmentation (FSS) aims to segment objects of novel categories in the query images given only a few annotated support samples. Existing methods primarily build the image-level correlation between the support target object and the entire query image. However, this correlation contains the hard pixel noise, \textit{i.e.}, irrelevant background objects, that is intractable to trace and suppress, leading to the overfitting of the background. To address the limitation of this correlation, we imitate the biological vision process to identify novel objects in the object-level information. Target identification in the general objects is more valid than in the entire image, especially in the low-data regime. Inspired by this, we design an Object-level Correlation Network (OCNet) by establishing the object-level correlation between the support target object and query general objects, which is mainly composed of the General Object Mining Module (GOMM) and Correlation Construction Module (CCM). Specifically, GOMM constructs the query general object feature by learning saliency and high-level similarity cues, where the general objects include the irrelevant background objects and the target foreground object. Then, CCM establishes the object-level correlation by allocating the target prototypes to match the general object feature. The generated object-level correlation can mine the query target feature and suppress the hard pixel noise for the final prediction. Extensive experiments on PASCAL-${5}^{i}$ and COCO-${20}^{i}$ show that our model achieves the state-of-the-art performance.

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