Graph Reasoning Transformer for Image Parsing

• URL: http://arxiv.org/abs/2209.09545v1
• Date: Tue, 20 Sep 2022 08:21:37 GMT
• Title: Graph Reasoning Transformer for Image Parsing
• Authors: Dong Zhang, Jinhui Tang, and Kwang-Ting Cheng
• Abstract summary: We propose a novel Graph Reasoning Transformer (GReaT) for image parsing to enable image patches to interact following a relation reasoning pattern. Compared to the conventional transformer, GReaT has higher interaction efficiency and a more purposeful interaction pattern. Results show that GReaT achieves consistent performance gains with slight computational overheads on the state-of-the-art transformer baselines.
• Score: 67.76633142645284
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Capturing the long-range dependencies has empirically proven to be effective on a wide range of computer vision tasks. The progressive advances on this topic have been made through the employment of the transformer framework with the help of the multi-head attention mechanism. However, the attention-based image patch interaction potentially suffers from problems of redundant interactions of intra-class patches and unoriented interactions of inter-class patches. In this paper, we propose a novel Graph Reasoning Transformer (GReaT) for image parsing to enable image patches to interact following a relation reasoning pattern. Specifically, the linearly embedded image patches are first projected into the graph space, where each node represents the implicit visual center for a cluster of image patches and each edge reflects the relation weight between two adjacent nodes. After that, global relation reasoning is performed on this graph accordingly. Finally, all nodes including the relation information are mapped back into the original space for subsequent processes. Compared to the conventional transformer, GReaT has higher interaction efficiency and a more purposeful interaction pattern. Experiments are carried out on the challenging Cityscapes and ADE20K datasets. Results show that GReaT achieves consistent performance gains with slight computational overheads on the state-of-the-art transformer baselines.

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