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Learning 3D Part Assembly from A Single Image
Yichen Li*1, Kaichun Mo*1, Lin Shao1, Minhyuk Sung2, Leonidas Guibas1
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Learning 3D Part Assembly from A Single Image Yichen Li* 1 , - - PowerPoint PPT Presentation
Learning 3D Part Assembly from A Single Image Yichen Li* 1 , - - PowerPoint PPT Presentation
Learning 3D Part Assembly from A Single Image Yichen Li* 1 , Kaichun Mo* 1 , Lin Shao 1 , Minhyuk Sung 2 , Leonidas Guibas 1 1 2 Problem Definition Image-Guided Shape Structure Decoding Input Image Input Part Geometry
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Problem Definition
Input Image Input Part Geometry Structure Decoding Assembled Shape
Image-Guided Shape Structure Decoding
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segmentation pose prediction
Geometry Conditioned Image Segmentation Graph Decoding of Part Geometry Conditioned Shape Structure
Approach
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Instance Segmentation
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Graph-Conv Pose Induction
Part Specific features Contextual Features Part Node Feature
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L2 Translation loss L2 Rotation loss Chamfer distance Rotation loss Shape Holistic chamfer distance loss
Loss Functions
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Evaluation Metric
Shape Chamfer Distance Part Accuracy
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pointnet
GRU
resnet
Per part R/T
Baseline 1 - GRU
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pointnet Instance one-hot
MLP
resnet
Per part R/T
Baseline 2 - InsOneHot
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pointnet Instance one-hot 3D global feature
MLP
resnet 2.5D global feature
Per part R/T
Baseline 3 - GlobalFeat
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Quantitative Results
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