Masked Supervised Learning for Semantic Segmentation

• URL: http://arxiv.org/abs/2210.00923v1
• Date: Mon, 3 Oct 2022 13:30:19 GMT
• Title: Masked Supervised Learning for Semantic Segmentation
• Authors: H. Zunair and A. Ben Hamza
• Abstract summary: Masked Supervised Learning (MaskSup) is an effective single-stage learning paradigm that models both short- and long-range context. We show that the proposed method is computationally efficient, yielding an improved performance by 10% on the mean intersection-over-union (mIoU)
• Score: 5.177947445379688
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Self-attention is of vital importance in semantic segmentation as it enables modeling of long-range context, which translates into improved performance. We argue that it is equally important to model short-range context, especially to tackle cases where not only the regions of interest are small and ambiguous, but also when there exists an imbalance between the semantic classes. To this end, we propose Masked Supervised Learning (MaskSup), an effective single-stage learning paradigm that models both short- and long-range context, capturing the contextual relationships between pixels via random masking. Experimental results demonstrate the competitive performance of MaskSup against strong baselines in both binary and multi-class segmentation tasks on three standard benchmark datasets, particularly at handling ambiguous regions and retaining better segmentation of minority classes with no added inference cost. In addition to segmenting target regions even when large portions of the input are masked, MaskSup is also generic and can be easily integrated into a variety of semantic segmentation methods. We also show that the proposed method is computationally efficient, yielding an improved performance by 10\% on the mean intersection-over-union (mIoU) while requiring $3\times$ less learnable parameters.

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