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We propose to utilize self-supervised techniques in the 2D domain for fine-grained 3D shape segmentation tasks. This is inspired by the observation that view-based surface representations are more effective at modeling high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Gopal Sharma , Kangxue Yin , Subhransu Maji , Evangelos Kalogerakis , Or Litany , Sanja Fidler

Convolutional Neural Networks (CNNs) were recently shown to provide state-of-the-art results for object category viewpoint estimation. However different ways of formulating this problem have been proposed and the competing approaches have…

Computer Vision and Pattern Recognition · Computer Science 2016-09-14 Francisco Massa , Renaud Marlet , Mathieu Aubry

Point clouds captured by different sensors such as RGB-D cameras and LiDAR possess non-negligible domain gaps. Most existing methods design different network architectures and train separately on point clouds from various sensors.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Shengjun Zhang , Xin Fei , Yueqi Duan

Due to the absence of more efficient diagnostic tools, the spread of mpox continues to be unchecked. Although related studies have demonstrated the high efficiency of deep learning models in diagnosing mpox, key aspects such as model…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yubiao Yue , Xiaoqiang Shi , Li Qin , Xinyue Zhang , Jialong Xu , Zipei Zheng , Zhenzhang Li , Yang Li

Convolution on 3D point clouds that generalized from 2D grid-like domains is widely researched yet far from perfect. The standard convolution characterises feature correspondences indistinguishably among 3D points, presenting an intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Haoran Zhou , Yidan Feng , Mingsheng Fang , Mingqiang Wei , Jing Qin , Tong Lu

Deep convolutional neural networks achieve remarkable visual recognition performance, at the cost of high computational complexity. In this paper, we have a new design of efficient convolutional layers based on three schemes. The 3D…

Computer Vision and Pattern Recognition · Computer Science 2017-01-25 Min Wang , Baoyuan Liu , Hassan Foroosh

Synthesizing high-fidelity videos from real-world multi-view input is challenging because of the complexities of real-world environments and highly dynamic motions. Previous works based on neural radiance fields have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Feng Wang , Sinan Tan , Xinghang Li , Zeyue Tian , Yafei Song , Huaping Liu

Recent Transformer-based 3D object detectors learn point cloud features either from point- or voxel-based representations. However, the former requires time-consuming sampling while the latter introduces quantization errors. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Honghui Yang , Wenxiao Wang , Minghao Chen , Binbin Lin , Tong He , Hua Chen , Xiaofei He , Wanli Ouyang

The 3D point cloud perception has emerged as a fundamental role for a wide range of applications. In particular, with the rapid development of neural networks, the voxel-based networks attract great attention due to their excellent…

Hardware Architecture · Computer Science 2024-10-01 Xipeng Lin , Shanshi Huang , Hongwu Jiang

Technology to recognize the type of component represented by a point cloud is required in the reconstruction process of an as-built model of a process plant based on laser scanning. The reconstruction process of a process plant through…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Hyungki Kim , Duhwan Mun

Current 3D self-supervised learning methods of 3D scenes face a data desert issue, resulting from the time-consuming and expensive collecting process of 3D scene data. Conversely, 3D shape datasets are easier to collect. Despite this,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Tuo Feng , Wenguan Wang , Ruijie Quan , Yi Yang

In this paper, we investigate the combination of voxel-based methods and point-based methods, and propose a novel end-to-end two-stage 3D object detector named SGNet for point clouds scenes. The voxel-based methods voxelize the scene to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Hao Peng , Guofeng Tong , Zheng Li , Yaqi Wang , Yuyuan Shao

Point clouds are the native output of many real-world 3D sensors. To borrow the success of 2D convolutional network architectures, a majority of popular 3D perception models voxelize the points, which can result in a loss of local geometric…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Yuwen Xiong , Mengye Ren , Renjie Liao , Kelvin Wong , Raquel Urtasun

Modern digital engineering design process commonly involves expensive repeated simulations on varying three-dimensional (3D) geometries. The efficient prediction capability of neural networks (NNs) makes them a suitable surrogate to provide…

Computational Engineering, Finance, and Science · Computer Science 2024-06-17 Junyan He , Seid Koric , Diab Abueidda , Ali Najafi , Iwona Jasiuk

We consider the problem of scaling deep generative shape models to high-resolution. Drawing motivation from the canonical view representation of objects, we introduce a novel method for the fast up-sampling of 3D objects in voxel space…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Edward Smith , Scott Fujimoto , David Meger

Recent advancements in convolutional neural network (CNN)-based techniques for remote sensing pansharpening have markedly enhanced image quality. However, conventional convolutional modules in these methods have two critical drawbacks.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Xueyang Wang , Zhixin Zheng , Jiandong Shao , Yule Duan , Liang-Jian Deng

As an important part of linear perspective, vanishing points (VPs) provide useful clues for mapping objects from 2D photos to 3D space. Existing methods are mainly focused on extracting structural features such as lines or contours and then…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yin-Bo Liu , Ming Zeng , Qing-Hao Meng

Porting state of the art deep learning algorithms to resource constrained compute platforms (e.g. VR, AR, wearables) is extremely challenging. We propose a fast, compact, and accurate model for convolutional neural networks that enables…

Computer Vision and Pattern Recognition · Computer Science 2017-06-14 Hessam Bagherinezhad , Mohammad Rastegari , Ali Farhadi

Transformers exhibit great advantages in handling computer vision tasks. They model image classification tasks by utilizing a multi-head attention mechanism to process a series of patches consisting of split images. However, for complex…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Haichao Zhang , Kuangrong Hao , Witold Pedrycz , Lei Gao , Xuesong Tang , Bing Wei

Depth is a vital piece of information for autonomous vehicles to perceive obstacles. Due to the relatively low price and small size of monocular cameras, depth estimation from a single RGB image has attracted great interest in the research…

Robotics · Computer Science 2021-11-25 Xingshuai Dong , Matthew A. Garratt , Sreenatha G. Anavatti , Hussein A. Abbass