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In visual computing, 3D geometry is represented in many different forms including meshes, point clouds, voxel grids, level sets, and depth images. Each representation is suited for different tasks thus making the transformation of one…

计算机视觉与模式识别 · 计算机科学 2022-09-02 Trevor Houchens , Cheng-You Lu , Shivam Duggal , Rao Fu , Srinath Sridhar

This paper explores convolutional generative networks as an alternative to iterative reconstruction algorithms in medical image reconstruction. The task of medical image reconstruction involves mapping of projection main data collected from…

医学物理 · 物理学 2020-12-04 V. S. S. Kandarpa , Alexandre Bousse , Didier Benoit , Dimitris Visvikis

Attributed graph embedding, which learns vector representations from graph topology and node features, is a challenging task for graph analysis. Recently, methods based on graph convolutional networks (GCNs) have made great progress on this…

机器学习 · 计算机科学 2020-07-06 Ganqu Cui , Jie Zhou , Cheng Yang , Zhiyuan Liu

This paper introduces a network for volumetric segmentation that learns from sparsely annotated volumetric images. We outline two attractive use cases of this method: (1) In a semi-automated setup, the user annotates some slices in the…

计算机视觉与模式识别 · 计算机科学 2016-06-22 Özgün Çiçek , Ahmed Abdulkadir , Soeren S. Lienkamp , Thomas Brox , Olaf Ronneberger

The (variational) graph auto-encoder and its variants have been popularly used for representation learning on graph-structured data. While the encoder is often a powerful graph convolutional network, the decoder reconstructs the graph…

机器学习 · 计算机科学 2019-11-27 Han Shi , Haozheng Fan , James T. Kwok

Mesh is a powerful data structure for 3D shapes. Representation learning for 3D meshes is important in many computer vision and graphics applications. The recent success of convolutional neural networks (CNNs) for structured data (e.g.,…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Zhongpai Gao , Junchi Yan , Guangtao Zhai , Juyong Zhang , Yiyan Yang , Xiaokang Yang

We show dense voxel embeddings learned via deep metric learning can be employed to produce a highly accurate segmentation of neurons from 3D electron microscopy images. A "metric graph" on a set of edges between voxels is constructed from…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Kisuk Lee , Ran Lu , Kyle Luther , H. Sebastian Seung

Grasp synthesis is one of the challenging tasks for any robot object manipulation task. In this paper, we present a new deep learning-based grasp synthesis approach for 3D objects. In particular, we propose an end-to-end 3D Convolutional…

机器人学 · 计算机科学 2020-09-15 Yikun Li , Lambert Schomaker , S. Hamidreza Kasaei

We present a new method for 3D shape reconstruction from a single image, in which a deep neural network directly maps an image to a vector of network weights. The network \textcolor{black}{parametrized by} these weights represents a 3D…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Gidi Littwin , Lior Wolf

We introduce RIM-Net, a neural network which learns recursive implicit fields for unsupervised inference of hierarchical shape structures. Our network recursively decomposes an input 3D shape into two parts, resulting in a binary tree…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Chengjie Niu , Manyi Li , Kai Xu , Hao Zhang

Graph self-supervised learning (SSL) has been vastly employed to learn representations from unlabeled graphs. Existing methods can be roughly divided into predictive learning and contrastive learning, where the latter one attracts more…

机器学习 · 计算机科学 2022-11-29 Jiashun Cheng , Man Li , Jia Li , Fugee Tsung

Graph, as an important data representation, is ubiquitous in many real world applications ranging from social network analysis to biology. How to correctly and effectively learn and extract information from graph is essential for a large…

机器学习 · 计算机科学 2020-10-27 Xiaodong Jiang , Ronghang Zhu , Pengsheng Ji , Sheng Li

Deep learning is emerging as a new paradigm for solving inverse imaging problems. However, the deep learning methods often lack the assurance of traditional physics-based methods due to the lack of physical information considerations in…

图像与视频处理 · 电气工程与系统科学 2020-07-20 Dongdong Chen , Mike E. Davies

In this paper a semi-supervised deep framework is proposed for the problem of 3D shape inverse rendering from a single 2D input image. The main structure of proposed framework consists of unsupervised pre-trained components which…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Shima Kamyab , S. Zohreh Azimifar

We propose a Deep Texture Encoding Network (Deep-TEN) with a novel Encoding Layer integrated on top of convolutional layers, which ports the entire dictionary learning and encoding pipeline into a single model. Current methods build from…

计算机视觉与模式识别 · 计算机科学 2016-12-12 Hang Zhang , Jia Xue , Kristin Dana

This paper presents a learning-based, lossless compression method for static point cloud geometry, based on context-adaptive arithmetic coding. Unlike most existing methods working in the octree domain, our encoder operates in a hybrid…

图像与视频处理 · 电气工程与系统科学 2021-04-21 Dat Thanh Nguyen , Maurice Quach , Giuseppe Valenzise , Pierre Duhamel

The task of predicting smooth and edge-consistent depth maps is notoriously difficult for single image depth estimation. This paper proposes a novel Bilateral Grid based 3D convolutional neural network, dubbed as 3DBG-UNet, that…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Mansi Sharma , Abheesht Sharma , Kadvekar Rohit Tushar , Avinash Panneer

Graph neural networks (GNNs) have been widely used in representation learning on graphs and achieved state-of-the-art performance in tasks such as node classification and link prediction. However, most existing GNNs are designed to learn…

机器学习 · 计算机科学 2020-02-06 Seongjun Yun , Minbyul Jeong , Raehyun Kim , Jaewoo Kang , Hyunwoo J. Kim

Nowadays, service robots are appearing more and more in our daily life. For this type of robot, open-ended object category learning and recognition is necessary since no matter how extensive the training data used for batch learning, the…

机器人学 · 计算机科学 2021-01-01 Hamidreza Kasaei

Monocular 3D face reconstruction plays a crucial role in avatar generation, with significant demand in web-related applications such as generating virtual financial advisors in FinTech. Current reconstruction methods predominantly rely on…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Haoxin Xu , Zezheng Zhao , Yuxin Cao , Chunyu Chen , Hao Ge , Ziyao Liu