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Learning Implicit Fields for Generative Shape Modeling

Open access
Chen, Zhiqin, Zhang, Hao·2019·2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

We advocate the use of implicit fields for learning generative models of shapes and introduce an implicit field decoder, called IM-NET, for shape generation, aimed at improving the visual quality of the generated shapes. An implicit field assigns a value to each point in 3D space, so that a shape can be extracted as an iso-surface. IM-NET is trained to perform this assignment by means of a binary classifier. Specifically, it takes a point coordinate, along with a feature vector encoding a shape, and outputs a value which indicates whether the point is outside the shape or not. By replacing conventional decoders by our implicit decoder for representation learning (via IM-AE) and shape generation (via IM-GAN), we demonstrate superior results for tasks such as generative shape modeling, interpolation, and single-view 3D reconstruction, particularly in terms of visual quality. Code and supplementary material are available at https://github.com/czq142857/implicit-decoder.

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Metadata

Authors
Chen, Z., & Zhang, H.
Venue
2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2019-06
Pages
5932-5941
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2962849139
Cited by
1,443
References
6
FWCI
181.82
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: Learning Implicit Fields for Generative Shape Modeling. https://app.cochat.ai/papers/10.1109/cvpr.2019.00609
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Chen, Z., & Zhang, H. (2019). Learning Implicit Fields for Generative Shape Modeling. 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). https://doi.org/10.1109/cvpr.2019.00609

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