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Methods that use neural networks for synthesizing 3D shapes in the form of a part-based representation have been introduced over the last few years. These methods represent shapes as a graph or hierarchy of parts and enable a variety of…

Graphics · Computer Science 2024-09-20 Yanran Guan , Oliver van Kaick

Recursive Neural Networks are non-linear adaptive models that are able to learn deep structured information. However, these models have not yet been broadly accepted. This fact is mainly due to its inherent complexity. In particular, not…

Neural and Evolutionary Computing · Computer Science 2009-11-18 Alejandro Chinea

Reconstructing 3D human shape and pose from monocular images is challenging despite the promising results achieved by the most recent learning-based methods. The commonly occurred misalignment comes from the facts that the mapping from…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Hongwen Zhang , Jie Cao , Guo Lu , Wanli Ouyang , Zhenan Sun

Reconstructing 3D human body shapes from 3D partial textured scans remains a fundamental task for many computer vision and graphics applications -- e.g., body animation, and virtual dressing. We propose a new neural network architecture for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Ahmet Serdar Karadeniz , Sk Aziz Ali , Anis Kacem , Elona Dupont , Djamila Aouada

We treat shape co-segmentation as a representation learning problem and introduce BAE-NET, a branched autoencoder network, for the task. The unsupervised BAE-NET is trained with a collection of un-segmented shapes, using a shape…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Zhiqin Chen , Kangxue Yin , Matthew Fisher , Siddhartha Chaudhuri , Hao Zhang

Parts provide a good intermediate representation of objects that is robust with respect to the camera, pose and appearance variations. Existing works on part segmentation is dominated by supervised approaches that rely on large amounts of…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Wei-Chih Hung , Varun Jampani , Sifei Liu , Pavlo Molchanov , Ming-Hsuan Yang , Jan Kautz

Learning structures of 3D shapes is a fundamental problem in the field of computer graphics and geometry processing. We present a simple yet interpretable unsupervised method for learning a new structural representation in the form of 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Nenglun Chen , Lingjie Liu , Zhiming Cui , Runnan Chen , Duygu Ceylan , Changhe Tu , Wenping Wang

Auto-regressive models have achieved impressive results in 2D image generation by modeling joint distributions in grid space. In this paper, we extend auto-regressive models to 3D domains, and seek a stronger ability of 3D shape generation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Xuelin Qian , Yu Wang , Simian Luo , Yinda Zhang , Ying Tai , Zhenyu Zhang , Chengjie Wang , Xiangyang Xue , Bo Zhao , Tiejun Huang , Yunsheng Wu , Yanwei Fu

We investigate the problem of learning to generate 3D parametric surface representations for novel object instances, as seen from one or more views. Previous work on learning shape reconstruction from multiple views uses discrete…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Jiahui Lei , Srinath Sridhar , Paul Guerrero , Minhyuk Sung , Niloy Mitra , Leonidas J. Guibas

Current methods for 3D object reconstruction from a set of planar cross-sections still struggle to capture detailed topology or require a considerable number of cross-sections. In this paper, we present, to the best of our knowledge the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Azimkhon Ostonov

Though modern neural networks have achieved impressive performance in both vision and language tasks, we know little about the functions that they implement. One possibility is that neural networks implicitly break down complex tasks into…

Computation and Language · Computer Science 2023-11-08 Michael A. Lepori , Thomas Serre , Ellie Pavlick

Layout is a fundamental component of any graphic design. Creating large varieties of plausible document layouts can be a tedious task, requiring numerous constraints to be satisfied, including local ones relating different semantic elements…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Akshay Gadi Patil , Omri Ben-Eliezer , Or Perel , Hadar Averbuch-Elor

We propose a data-driven 3D shape design method that can learn a generative model from a corpus of existing designs, and use this model to produce a wide range of new designs. The approach learns an encoding of the samples in the training…

3D shape reconstruction from a single image is a highly ill-posed problem. Modern deep learning based systems try to solve this problem by learning an end-to-end mapping from image to shape via a deep network. In this paper, we aim to solve…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Kejie Li , Ravi Garg , Ming Cai , Ian Reid

We introduce a data-driven approach to complete partial 3D shapes through a combination of volumetric deep neural networks and 3D shape synthesis. From a partially-scanned input shape, our method first infers a low-resolution -- but…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Angela Dai , Charles Ruizhongtai Qi , Matthias Nießner

3D fragment reassembly aims to recover the rigid poses of unordered fragment point clouds or meshes in a common object coordinate system to reconstruct the complete shape. The problem becomes particularly challenging as the number of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Hanze Jia , Chunshi Wang , Yuxiao Yang , Zhonghua Jiang , Yawei Luo , Shuainan Ye , Tan Tang

The primary issue in inverse halftoning is removing noisy dots on flat areas and restoring image structures (e.g., lines, patterns) on textured areas. Hence, a new structure-aware deep convolutional neural network that incorporates two…

Image and Video Processing · Electrical Eng. & Systems 2021-02-10 Chang-Hwan Son

Existing methods for single-view 3D object reconstruction directly learn to transform image features into 3D representations. However, these methods are vulnerable to images containing noisy backgrounds and heavy occlusions because the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Shuo Yang , Min Xu , Haozhe Xie , Stuart Perry , Jiahao Xia

We present a generative neural network which enables us to generate plausible 3D indoor scenes in large quantities and varieties, easily and highly efficiently. Our key observation is that indoor scene structures are inherently…

Hierarchies allow feature sharing between objects at multiple levels of representation, can code exponential variability in a very compact way and enable fast inference. This makes them potentially suitable for learning and recognizing a…

Computer Vision and Pattern Recognition · Computer Science 2014-08-26 Sanja Fidler , Marko Boben , Ales Leonardis