Multi-scale Information Assembly for Image Matting

• URL: http://arxiv.org/abs/2101.02391v2
• Date: Wed, 3 Mar 2021 11:06:54 GMT
• Title: Multi-scale Information Assembly for Image Matting
• Authors: Yu Qiao, Yuhao Liu, Qiang Zhu, Xin Yang, Yuxin Wang, Qiang Zhang, and Xiaopeng Wei
• Abstract summary: We propose a multi-scale information assembly framework (MSIA-matte) to pull out high-quality alpha mattes from single RGB images. We can achieve state-of-the-art performance compared to most existing matting networks.
• Score: 35.43994064645042
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Image matting is a long-standing problem in computer graphics and vision, mostly identified as the accurate estimation of the foreground in input images. We argue that the foreground objects can be represented by different-level information, including the central bodies, large-grained boundaries, refined details, etc. Based on this observation, in this paper, we propose a multi-scale information assembly framework (MSIA-matte) to pull out high-quality alpha mattes from single RGB images. Technically speaking, given an input image, we extract advanced semantics as our subject content and retain initial CNN features to encode different-level foreground expression, then combine them by our well-designed information assembly strategy. Extensive experiments can prove the effectiveness of the proposed MSIA-matte, and we can achieve state-of-the-art performance compared to most existing matting networks.

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