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Abstract:
Neural implicit representations are highly effective for single-view 3D reconstruction (SVR). It represents 3D shapes as neural fields and conditions shape prediction on input image features. Image features can be less effective when significant variations of occlusions, views, and appearances exist from the image. To learn more robust features, we design a new feature encoding scheme that works in both image and shape space. Specifically, we present a geometry-aware 2D convolutional kernel to learn image appearance and view information along with geometric relations. The convolutional kernel operates at the 2D projections of a point-based 3D geometric structure, called spatial pattern. Furthermore, to enable the network to discover adaptive spatial patterns that capture non-local contexts, the kernel is devised to be deformable and exploited by a spatial pattern generator. Experimental results on both synthetic and real datasets demonstrate the superiority of the proposed method. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2023.
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ISSN: 0302-9743
Year: 2023
Volume: 14359 LNCS
Page: 210-227
Language: English
0 . 4 0 2
JCR@2005
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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