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We propose a novel model for 3D semantic completion from a single depth image, based on a single encoder and three separate generators used to reconstruct different geometric and semantic representations of the original and completed scene,…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

Knowledge distillation (KD), known for its ability to transfer knowledge from a cumbersome network (teacher) to a lightweight one (student) without altering the architecture, has been garnering increasing attention. Two primary categories…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Yaomin Huang , Zaomin Yan , Chaomin Shen , Faming Fang , Guixu Zhang

Projector photometric compensation aims to modify a projector input image such that it can compensate for disturbance from the appearance of projection surface. In this paper, for the first time, we formulate the compensation problem as an…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Bingyao Huang , Haibin Ling

The matching of 3D shapes has been extensively studied for shapes represented as surface meshes, as well as for shapes represented as point clouds. While point clouds are a common representation of raw real-world 3D data (e.g. from laser…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Dongliang Cao , Florian Bernard

Establishing point-to-point correspondences across multiple 3D shapes is a fundamental problem in computer vision and graphics. In this paper, we introduce DcMatch, a novel unsupervised learning framework for non-rigid multi-shape matching.…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Tianwei Ye , Yong Ma , Xiaoguang Mei

Full projector compensation aims to modify a projector input image to compensate for both geometric and photometric disturbance of the projection surface. Traditional methods usually solve the two parts separately and may suffer from…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Bingyao Huang , Tao Sun , Haibin Ling

We introduce techniques for rapidly transferring the information stored in one neural net into another neural net. The main purpose is to accelerate the training of a significantly larger neural net. During real-world workflows, one often…

机器学习 · 计算机科学 2016-04-26 Tianqi Chen , Ian Goodfellow , Jonathon Shlens

Depth completion is a crucial task in autonomous driving, aiming to convert a sparse depth map into a dense depth prediction. Due to its potentially rich semantic information, RGB image is commonly fused to enhance the completion effect.…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Moyun Liu , Bing Chen , Youping Chen , Jingming Xie , Lei Yao , Yang Zhang , Joey Tianyi Zhou

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

3D object reconstruction from a single image is a highly under-determined problem, requiring strong prior knowledge of plausible 3D shapes. This introduces challenges for learning-based approaches, as 3D object annotations are scarce in…

计算机视觉与模式识别 · 计算机科学 2017-11-10 Jiajun Wu , Yifan Wang , Tianfan Xue , Xingyuan Sun , William T Freeman , Joshua B Tenenbaum

Point cloud completion task aims to predict the missing part of incomplete point clouds and generate complete point clouds with details. In this paper, we propose a novel point cloud completion network, namely CompleteDT. Specifically,…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Jun Li , Shangwei Guo , Shaokun Han

As the application of deep learning has expanded to real-world problems with insufficient volume of training data, transfer learning recently has gained much attention as means of improving the performance in such small-data regime.…

机器学习 · 计算机科学 2019-05-16 Yunhun Jang , Hankook Lee , Sung Ju Hwang , Jinwoo Shin

Previous transfer learning methods based on deep network assume the knowledge should be transferred between the same hidden layers of the source domain and the target domains. This assumption doesn't always hold true, especially when the…

机器学习 · 计算机科学 2018-09-25 Jianzhe Lin , Qi Wang , Rabab Ward , Z. Jane Wang

Uncertainty estimation is at the core of Active Learning (AL). Most existing methods resort to complex auxiliary models and advanced training fashions to estimate uncertainty for unlabeled data. These models need special design and hence…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Tianyang Wang , Xi Xiao , Gaofei Chen , Xiaoying Liao , Guo Cheng , Yingrui Ji

With more deep learning techniques being introduced into the knowledge tracing domain, the interpretability issue of the knowledge tracing models has aroused researchers' attention. Our previous study(Lu et al. 2020) on building and…

人工智能 · 计算机科学 2021-11-02 Deliang Wang , Yu Lu , Qinggang Meng , Penghe Chen

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…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Hongwen Zhang , Jie Cao , Guo Lu , Wanli Ouyang , Zhenan Sun

Point completion refers to completing the missing geometries of an object from incomplete observations. Main-stream methods predict the missing shapes by decoding a global feature learned from the input point cloud, which often leads to…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Bingchen Gong , Yinyu Nie , Yiqun Lin , Xiaoguang Han , Yizhou Yu

Incompleteness is a common problem for existing knowledge graphs (KGs), and the completion of KG which aims to predict links between entities is challenging. Most existing KG completion methods only consider the direct relation between…

机器学习 · 计算机科学 2019-09-27 Yao Zhu , Hongzhi Liu , Zhonghai Wu , Yang Song , Tao Zhang

Transfer learning for partial differential equations (PDEs) is to develop a pre-trained neural network that can be used to solve a wide class of PDEs. Existing transfer learning approaches require much information of the target PDEs such as…

数值分析 · 数学 2023-01-30 Zezhong Zhang , Feng Bao , Lili Ju , Guannan Zhang

Semantic shape completion is a challenging problem in 3D computer vision where the task is to generate a complete 3D shape using a partial 3D shape as input. We propose a learning-based approach to complete incomplete 3D shapes through…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Swaminathan Gurumurthy , Shubham Agrawal