ShelfChange3D: 小売棚監視のための物体レベル3D変化検出
ShelfChange3D: Object-Level 3D Change Detection for Retail Shelf Monitoring
RGB-D観測のペアから棚の商品変化を物体レベルの3Dバウンディングボックスで検出するタスクを定式化し、大規模データセットと幾何補正を組み込んだエンドツーエンド手法を提案した。
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著者: Lingyi Zhou, Yunke Wang, Mengyu Zheng, Wenbo Wang, Zijian Wang, Chang Xu
分類: cs.CV
原文アブストラクト
Reliable shelf monitoring is an important capability for retail automation, yet existing out-of-stock detection methods mainly operate in image space and lack metric 3D localization for downstream robotic systems. We formulate shelf monitoring as object-level 3D change detection: given two RGB-D observations captured at different times, the goal is to identify changed products and localize each change with a 3D bounding box. To support this task, we introduce ShelfChange3D, comprising 145K synthetic and 5K real-world paired RGB-D observations with object-level 3D change annotations. We further propose ChangeBox, an end-to-end framework that jointly reasons over paired observations and predicts object-level 3D change boxes. To improve localization accuracy, we introduce a geometry-based refinement stage that exploits depth and gravity prior to estimate relative pose and refine predicted boxes. Experiments show that ChangeBox outperforms existing change detection baselines, with further gains from refinement and effective transfer from synthetic to real-world observations.