エッジと形状を考慮した深層ネットワークによる布地デスタッキングのための最上層布地の精密セグメンテーション
Precise Top-Layer Fabric Segmentation for Fabric Destacking with Edge- and Shape-Aware Deep Networks
布地のデスタッキングにおいて、最上層の布地を正確にセグメンテーションするための新しい学習アーキテクチャを提案。エッジ認識と形状認識の2つの分岐を導入し、CADモデルから得た参照マスクを用いて形状整合を図ることで、既存手法より高い精度を実現した。
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著者: Wenbo Dong, Dipankar Bhattacharya, Akinari Kobayashi, Akira Seino, Fuyuki Tokuda, Xuzhao Huang, Kai Tang, Norman C. Tien, Kazuhiro Kosuge
分類: cs.CV, cs.RO
原文アブストラクト
Fabric destacking requires precise segmentation of the topmost fabric layer, a task complicated by subtle fabric boundaries and high visual similarity between fabric layers. Existing semantic and edge-based segmentation approaches often struggle with these complexities, limiting the performance of robotic manipulation for different tasks. In this work, a novel segmentation training architecture tailored for top-layer fabric segmentation in stacked fabrics is proposed. The method extends the classical encoder-decoder framework by introducing two specialized branches - an edge-aware branch and a shape-aware branch - that are used to supervise the backbone network for better tuning. The edge-aware branch enhances boundary delineation, while the shape-aware branch guides the network to capture and align the overall fabric shape with reference masks derived from Computer Aided Design (CAD) models. Experiments on a real-world fabric dataset demonstrate that the training approach outperforms established baselines, verifying the effectiveness of the multi-branch design through both quantitative results and ablation studies.