Learning Shape Abstractions by Assembling Volumetric Primitives
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Abstract (arXiv)
We present a learning framework for abstracting complex shapes by learning to assemble objects using 3D volumetric primitives. In addition to generating simple and geometrically interpretable explanations of 3D objects, our framework also allows us to automatically discover and exploit consistent structure in the data. We demonstrate that using our method allows predicting shape representations which can be leveraged for obtaining a consistent parsing across the instances of a shape collection and constructing an interpretable shape similarity measure. We also examine applications for image-based prediction as well as shape manipulation.
Key facts. Cited by 181 papers in the map (data through 7 Oct 2026). First posted on arXiv 1 Dec 2016.
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Citing papers per year: 2021: 46; 2022: 37; 2023: 37; 2024: 21; 2025: 20; 2026: 20.
181 papers.
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- 2021Deep Marching Tetrahedra: a Hybrid Representation for High-Resolution 3D Shape Synthesiscited by 459
- 2023LucidDreamer: Domain-free Generation of 3D Gaussian Splatting Scenescited by 228
- 2021ATISS: Autoregressive Transformers for Indoor Scene Synthesiscited by 195
- 2023Flexible Isosurface Extraction for Gradient-Based Mesh Optimizationcited by 138
- 2021Im2Vec: Synthesizing Vector Graphics without Vector Supervisioncited by 114
- 2021A-SDF: Learning Disentangled Signed Distance Functions for Articulated Shape Representationcited by 113
- 2021Neural Parts: Learning Expressive 3D Shape Abstractions with Invertible Neural Networkscited by 101
- 2022Semantic Abstraction: Open-World 3D Scene Understanding from 2D Vision-Language Modelscited by 95
- 2024SceneScript: Reconstructing Scenes With An Autoregressive Structured Language Modelcited by 95
- 2022What's in your hands? 3D Reconstruction of Generic Objects in Handscited by 90
- 2021Deep Implicit Moving Least-Squares Functions for 3D Reconstructioncited by 67
- 2023SALAD: Part-Level Latent Diffusion for 3D Shape Generation and Manipulationcited by 66
38 more
- 2022LASSIE: Learning Articulated Shapes from Sparse Image Ensemble via 3D Part Discoverycited by 65
- 2022High-fidelity 3D GAN Inversion by Pseudo-multi-view Optimizationcited by 65
- 2024Real2Code: Reconstruct Articulated Objects via Code Generationcited by 64
- 2021CAPRI-Net: Learning Compact CAD Shapes with Adaptive Primitive Assemblycited by 62
- 2022Approximate Convex Decomposition for 3D Meshes with Collision-Aware Concavity and Tree Searchcited by 61
- 2022Control-NeRF: Editable Feature Volumes for Scene Rendering and Manipulationcited by 57
- 2024Part123: Part-aware 3D Reconstruction from a Single-view Imagecited by 54
- 2021CSG-Stump: A Learning Friendly CSG-Like Representation for Interpretable Shape Parsingcited by 51
- 2021KeypointDeformer: Unsupervised 3D Keypoint Discovery for Shape Controlcited by 50
- 20243D Convex Splatting: Radiance Field Rendering with 3D Smooth Convexescited by 50
- 2023SECAD-Net: Self-Supervised CAD Reconstruction by Learning Sketch-Extrude Operationscited by 46
- 2021Unsupervised Learning for Cuboid Shape Abstraction via Joint Segmentation from Point Cloudscited by 44
- 2022Towards High-Fidelity Single-view Holistic Reconstruction of Indoor Scenescited by 43
- 2022Neural Shape Mating: Self-Supervised Object Assembly with Adversarial Shape Priorscited by 42
- 2021ARAPReg: An As-Rigid-As Possible Regularization Loss for Learning Deformable Shape Generatorscited by 40
- 2023D2CSG: Unsupervised Learning of Compact CSG Trees with Dual Complements and Dropoutscited by 39
- 2022ExtrudeNet: Unsupervised Inverse Sketch-and-Extrude for Shape Parsingcited by 38
- 2023Differentiable Blocks World: Qualitative 3D Decomposition by Rendering Primitivescited by 37
- 2023PartNeRF: Generating Part-Aware Editable 3D Shapes without 3D Supervisioncited by 36
- 2021HPNet: Deep Primitive Segmentation Using Hybrid Representationscited by 35
- 2022PartAfford: Part-level Affordance Discovery from 3D Objectscited by 35
- 2022Point Primitive Transformer for Long-Term 4D Point Cloud Video Understandingcited by 35
- 2023Make Encoder Great Again in 3D GAN Inversion through Geometry and Occlusion-Aware Encodingcited by 35
- 2022Neural Template: Topology-aware Reconstruction and Disentangled Generation of 3D Meshescited by 34
- 2024Img2CAD: Reverse Engineering 3D CAD Models from Images through VLM-Assisted Conditional Factorizationcited by 34
- 2021PC2WF: 3D Wireframe Reconstruction from Raw Point Cloudscited by 33
- 2022VAEL: Bridging Variational Autoencoders and Probabilistic Logic Programmingcited by 31
- 2021Continual Neural Mapping: Learning An Implicit Scene Representation from Sequential Observationscited by 30
- 2021PartGlot: Learning Shape Part Segmentation from Language Reference Gamescited by 30
- 2022Hi-LASSIE: High-Fidelity Articulated Shape and Skeleton Discovery from Sparse Image Ensemblecited by 30
- 2021Scene Synthesis via Uncertainty-Driven Attribute Synchronizationcited by 29
- 2021Robust and Accurate Superquadric Recovery: a Probabilistic Approachcited by 29
- 2022SPAGHETTI: Editing Implicit Shapes Through Part Aware Generationcited by 28
- 2021Unsupervised Learning of Fine Structure Generation for 3D Point Clouds by 2D Projection Matchingcited by 26
- 2023Self-Supervised Category-Level Articulated Object Pose Estimation with Part-Level SE(3) Equivariancecited by 26
- 2023GINA-3D: Learning to Generate Implicit Neural Assets in the Wildcited by 25
- 2021CPFN: Cascaded Primitive Fitting Networks for High-Resolution Point Cloudscited by 24
- 2024SceneDreamer360: Text-Driven 3D-Consistent Scene Generation with Panoramic Gaussian Splattingcited by 24
50 most cited of 181 All 181 (JSON)
- 2026Point2Part: Unified 3D Partitioning from Point Prompts29 Sep 2026
- 2026Imagine3D-LLM: Teaching MLLMs to Imagine 3D Scenes Before Answering29 Sep 2026
- 2026Superquadric Primitive Decomposition of 3D point clouds via Geometric-Aware Inlier Refinement28 Sep 2026
- 2026PART: Learning 3D Part Assembly and Retrieval with Transformers17 Sep 2026
- 2026DepthBenchCAD: When Does Deeper Auditing Yield More Reliable Conclusions?14 Sep 2026
- 2026SNAP3D: Physically Grounded 3D Parts for Assembly from a Single Image11 Sep 2026
- 2026Amortized Set Prediction for Inverse IFS Reconstruction from Density Maps25 Aug 2026
- 2026PartMat: Material-Aware 3D Part Decomposition with a Single Global Latent3 Aug 2026
- 2026Hi-TOPS: Hierarchical Topology-aware Scoring Prior for 3D Part Decomposition1 Aug 2026
- 2026Prompting Image Generators for Training-free Primitive Shape Abstraction6 Jul 2026
- 2026SuperFlex: Deformable Superquadrics for Point Cloud Decomposition1 Jul 2026
- 2026Articulation in Prime: Primitive-Based Articulated Object Understanding from a Single Casual Video18 May 2026
38 more
- 2026D-Prism: Differentiable Primitives for Structured Dynamic Modeling18 Apr 2026
- 2026Patchwork: A compact representation for 3D polygonal shapes24 Mar 2026
- 2026DualPrim: Compact 3D Reconstruction with Positive and Negative Primitives17 Mar 2026
- 2026Learning Convex Decomposition via Feature Fields10 Mar 2026
- 2026BoxSplitGen: A Generative Model for 3D Part Bounding Boxes in Varying Granularity24 Feb 2026
- 2026Electrostatics-Inspired Surface Reconstruction (EISR): Recovering 3D Shapes as a Superposition of Poisson's PDE Solutions12 Feb 2026
- 2026Deep Sketch-Based 3D Modeling: A Survey22 Jan 2026
- 2026Unified Primitive Proxies for Structured Shape Completion2 Jan 2026
- 2025Name That Part: 3D Part Segmentation and Naming19 Dec 2025
- 2025Residual Primitive Fitting of 3D Shapes with SuperFrusta9 Dec 2025
- 2025Fast SceneScript: Fast and Accurate Language-Based 3D Scene Understanding via Multi-Token Prediction5 Dec 2025
- 2025C3G: Learning Compact 3D Representations with 2K Gaussians3 Dec 2025
- 2025Learning to Grasp Anything by Playing with Random Toys14 Oct 2025
- 2025Light-SQ: Structure-aware Shape Abstraction with Superquadrics for Generated Meshes29 Sep 2025
- 2025GaussianArt: Unified Modeling of Geometry and Motion for Articulated Objects20 Aug 2025
- 2025Generative Blocks World: Moving Things Around in Pictures25 Jun 2025
- 2025PrITTI: Primitive-based Generation of Controllable and Editable 3D Semantic Urban Scenes23 Jun 2025
- 2025SAR2Struct: Extracting 3D Semantic Structural Representation of Aircraft Targets from Single-View SAR Image7 Jun 2025
- 2025WIR3D: Visually-Informed and Geometry-Aware 3D Shape Abstraction7 May 2025
- 2025PrimitiveAnything: Human-Crafted 3D Primitive Assembly Generation with Auto-Regressive Transformer7 May 2025
- 2025CasaGPT: Cuboid Arrangement and Scene Assembly for Interior Design28 Apr 2025
- 2025ESCT3D: Efficient and Selectively Controllable Text-Driven 3D Content Generation with Gaussian Splatting14 Apr 2025
- 2025SuperDec: 3D Scene Decomposition with Superquadric Primitives1 Apr 2025
- 2025Deep Polycuboid Fitting for Compact 3D Representation of Indoor Scenes19 Mar 2025
- 2025Aligning Instance-Semantic Sparse Representation towards Unsupervised Object Segmentation and Shape Abstraction with Repeatable Primitives10 Mar 2025
- 2025Separability Membrane: 3D Active Contour for Point Cloud Surface Reconstruction7 Mar 2025
- 2025GenAnalysis: Joint Shape Analysis by Learning Man-Made Shape Generators with Deformation Regularizations2 Mar 2025
- 2025PartSDF: Part-Based Implicit Neural Representation for Composite 3D Shape Parametrization and Optimization18 Feb 2025
- 20243D Part Segmentation via Geometric Aggregation of 2D Visual Features5 Dec 2024
- 20243D Convex Splatting: Radiance Field Rendering with 3D Smooth Convexes22 Nov 2024
- 2024SceneDreamer360: Text-Driven 3D-Consistent Scene Generation with Panoramic Gaussian Splatting25 Aug 2024
- 2024Self-supervised Learning of Hybrid Part-aware 3D Representations of 2D Gaussians and Superquadrics20 Aug 2024
- 2024Differentiable Convex Polyhedra Optimization from Multi-view Images22 Jul 2024
- 2024TreeSBA: Tree-Transformer for Self-Supervised Sequential Brick Assembly22 Jul 2024
- 2024Img2CAD: Reverse Engineering 3D CAD Models from Images through VLM-Assisted Conditional Factorization19 Jul 2024
- 2024PASTA: Controllable Part-Aware Shape Generation with Autoregressive Transformers18 Jul 2024
- 2024DepGAN: Leveraging Depth Maps for Handling Occlusions and Transparency in Image Composition16 Jul 2024
- 20243D Geometric Shape Assembly via Efficient Point Cloud Matching15 Jul 2024
50 newest of 181 All 181 (JSON)
- 2023SALAD: Part-Level Latent Diffusion for 3D Shape Generation and Manipulationcited by 66
- 2024Part123: Part-aware 3D Reconstruction from a Single-view Imagecited by 54
- 2023Spice-E : Structural Priors in 3D Diffusion using Cross-Entity Attentioncited by 7
- 2026BoxSplitGen: A Generative Model for 3D Part Bounding Boxes in Varying Granularitycited by 1
- 2026PartMat: Material-Aware 3D Part Decomposition with a Single Global Latentcited by 0
- 2026PartMat: Material-Aware 3D Part Decomposition with a Single Global Latent3 Aug 2026
- 2026BoxSplitGen: A Generative Model for 3D Part Bounding Boxes in Varying Granularity24 Feb 2026
- 2024Part123: Part-aware 3D Reconstruction from a Single-view Image27 May 2024
- 2023Spice-E : Structural Priors in 3D Diffusion using Cross-Entity Attention29 Nov 2023
- 2023SALAD: Part-Level Latent Diffusion for 3D Shape Generation and Manipulation21 Mar 2023
- 2021Deep Marching Tetrahedra: a Hybrid Representation for High-Resolution 3D Shape Synthesiscited by 459
- 2023LucidDreamer: Domain-free Generation of 3D Gaussian Splatting Scenescited by 228
- 2021ATISS: Autoregressive Transformers for Indoor Scene Synthesiscited by 195
- 2023Flexible Isosurface Extraction for Gradient-Based Mesh Optimizationcited by 138
- 2021Im2Vec: Synthesizing Vector Graphics without Vector Supervisioncited by 114
- 2021A-SDF: Learning Disentangled Signed Distance Functions for Articulated Shape Representationcited by 113
- 2021Neural Parts: Learning Expressive 3D Shape Abstractions with Invertible Neural Networkscited by 101
- 2024SceneScript: Reconstructing Scenes With An Autoregressive Structured Language Modelcited by 95
- 2022What's in your hands? 3D Reconstruction of Generic Objects in Handscited by 90
- 2021Deep Implicit Moving Least-Squares Functions for 3D Reconstructioncited by 67
- 2022LASSIE: Learning Articulated Shapes from Sparse Image Ensemble via 3D Part Discoverycited by 65
- 2022High-fidelity 3D GAN Inversion by Pseudo-multi-view Optimizationcited by 65
12 most cited of 172 All 172 (JSON)
- 2026Point2Part: Unified 3D Partitioning from Point Prompts29 Sep 2026
- 2026Superquadric Primitive Decomposition of 3D point clouds via Geometric-Aware Inlier Refinement28 Sep 2026
- 2026PART: Learning 3D Part Assembly and Retrieval with Transformers17 Sep 2026
- 2026DepthBenchCAD: When Does Deeper Auditing Yield More Reliable Conclusions?14 Sep 2026
- 2026SNAP3D: Physically Grounded 3D Parts for Assembly from a Single Image11 Sep 2026
- 2026Amortized Set Prediction for Inverse IFS Reconstruction from Density Maps25 Aug 2026
- 2026Hi-TOPS: Hierarchical Topology-aware Scoring Prior for 3D Part Decomposition1 Aug 2026
- 2026Prompting Image Generators for Training-free Primitive Shape Abstraction6 Jul 2026
- 2026SuperFlex: Deformable Superquadrics for Point Cloud Decomposition1 Jul 2026
- 2026Articulation in Prime: Primitive-Based Articulated Object Understanding from a Single Casual Video18 May 2026
- 2026D-Prism: Differentiable Primitives for Structured Dynamic Modeling18 Apr 2026
- 2026Patchwork: A compact representation for 3D polygonal shapes24 Mar 2026
12 newest of 172 All 172 (JSON)