Granular-ball Guided Masking: Structure-aware Data Augmentation

• URL: http://arxiv.org/abs/2512.21011v1
• Date: Wed, 24 Dec 2025 07:15:33 GMT
• Title: Granular-ball Guided Masking: Structure-aware Data Augmentation
• Authors: Shuyin Xia, Fan Chen, Dawei Dai, Meng Yang, Junwei Han, Xinbo Gao, Guoyin Wang,
• Abstract summary: Granular-ball Guided Masking (GBGM) is a structure-aware augmentation strategy guided by Granular-ball Computing (GBC)<n>GBGM adaptively preserves semantically rich, structurally important regions while suppressing redundant areas through a coarse-to-fine hierarchical masking process.<n>Experiments on multiple benchmarks demonstrate consistent improvements in classification accuracy and masked image reconstruction.
• Score: 97.18560547134587
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Deep learning models have achieved remarkable success in computer vision, but they still rely heavily on large-scale labeled data and tend to overfit when data are limited or distributions shift. Data augmentation, particularly mask-based information dropping, can enhance robustness by forcing models to explore complementary cues; however, existing approaches often lack structural awareness and may discard essential semantics. We propose Granular-ball Guided Masking (GBGM), a structure-aware augmentation strategy guided by Granular-ball Computing (GBC). GBGM adaptively preserves semantically rich, structurally important regions while suppressing redundant areas through a coarse-to-fine hierarchical masking process, producing augmentations that are both representative and discriminative. Extensive experiments on multiple benchmarks demonstrate consistent improvements in classification accuracy and masked image reconstruction, confirming the effectiveness and broad applicability of the proposed method. Simple and model-agnostic, it integrates seamlessly into CNNs and Vision Transformers and provides a new paradigm for structure-aware data augmentation.

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