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LEARNING TO GENERATE 3D SHAPES WITH GENERATIVE CELLULAR AUTOMATA

★ ★ ★ ★ ☆

Overview

Paper Summary › Explain Like I'm Five › Conflicts of Interest › Identified Limitations › Rating Explanation › Good to know › Topic Hierarchy › File Information ›

Paper Summary

Paperzilla title
Growing 3D Shapes Like Cells: A New Algorithm for Shape Generation

This paper proposes Generative Cellular Automata (GCA), a new method for generating 3D shapes in a computer. GCA mimics cell growth by iteratively adding voxels to a shape, focusing computation on a small, local area around the existing shape. Experiments show it can complete missing parts of shapes and generate entirely new shapes.

Explain Like I'm Five

This paper introduces a new way to create 3D shapes using a computer, inspired by how cells grow. It focuses on filling in the shape piece by piece, looking only at nearby areas, which saves computer memory.

Possible Conflicts of Interest

None identified

Identified Limitations

Modified Baseline Comparison
The comparison with state-of-the-art methods was not entirely fair, as the authors modified the baseline models to support higher resolution, potentially impacting their performance.
Convergence Claims Not Fully Substantiated
The authors claim GCA converges to a single, correct mode in most cases. However, they demonstrate counterexamples where this is not true. Additionally, the visual convergence analysis presented is not quantitative and appears subjective.
Connectivity Assumption
The method relies on the assumption that occupied voxels are connected, limiting its applicability to certain types of shapes.

Rating Explanation

This paper presents a novel and efficient approach to 3D shape generation. The use of sparse convolutions and the cellular automata concept allows for scalability to higher resolutions. The experimental results demonstrate the effectiveness of the method in shape completion and generation. However, the modified baseline comparison and the somewhat unsubstantiated convergence claims slightly lower the rating.

Good to know

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File Information

Original Title: LEARNING TO GENERATE 3D SHAPES WITH GENERATIVE CELLULAR AUTOMATA
Uploaded: August 17, 2025 at 02:34 PM
Privacy: Public