Curriculum-guided Change Detection Training: Toward Accurate Serac Fall Monitoring

• URL: http://arxiv.org/abs/2606.28012v1
• Date: Fri, 26 Jun 2026 12:14:11 GMT
• Title: Curriculum-guided Change Detection Training: Toward Accurate Serac Fall Monitoring
• Abstract summary: Change Detection (CD) aims to identify semantic or structural changes from nearly registered multi-temporal images.<n>Most deep CD methods rely on uniform sampling during training.<n>We propose a curriculum learning framework tailored for change detection.
• Score: 0.3262230127283452
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Change Detection (CD) aims to identify semantic or structural changes from nearly registered multi-temporal images. While recent advances in training methodologies have largely focused on semi-supervised learning and consistency regularization, alternative training paradigms remain underexplored. In particular, most deep CD methods rely on uniform sampling during training, implicitly assuming that all training samples contribute equally to the optimization process. However, such naive sampling can introduce noisy gradients and hinder robust representation learning. To address this limitation, we propose a curriculum learning framework tailored for change detection. Our approach investigates two complementary difficulty measures: the Solar Angular Gap (SAG), a physically grounded proxy for acquisition-condition variability, and the Structural Similarity Index Measure (SSIM), which evaluates appearance similarity between image pairs. Based on these criteria, the framework progressively introduces challenging samples during training, enabling models to learn robust representations in a coarse-to-fine manner. We evaluate our method on the challenging SeracFallDet benchmark, where results demonstrate consistent improvements of the proposed approach over standard uniform-sampling strategies for both pixel-based and object-based approaches. These results highlight the potential of curriculum learning to improve robustness in deep change detection. Importantly, our training framework is orthogonal to existing CD architectures, making it readily applicable to a broad range of methods.

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