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In the presence of heterogeneous data, where randomly rotated objects fall into multiple underlying categories, it is challenging to simultaneously classify them into clusters and synchronize them based on pairwise relations. This gives…

机器学习 · 统计学 2023-09-15 Yifeng Fan , Yuehaw Khoo , Zhizhen Zhao

Existing techniques to encode spatial invariance within deep convolutional neural networks only model 2D transformation fields. This does not account for the fact that objects in a 2D space are a projection of 3D ones, and thus they have…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Sunghun Joung , Seungryong Kim , Hanjae Kim , Minsu Kim , Ig-Jae Kim , Junghyun Cho , Kwanghoon Sohn

While the depth of convolutional neural networks has attracted substantial attention in the deep learning research, the width of these networks has recently received greater interest. The width of networks, defined as the size of the…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Peng Liu , Xiaoxiao Zhou , Yangjunyi Li , El Basha Mohammad D , Ruogu Fang

In this paper, we propose a novel network framework for indoor 3D object detection to handle variable input frame numbers in practical scenarios. Existing methods only consider fixed frames of input data for a single detector, such as…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Zhenyu Wu , Xiuwei Xu , Ziwei Wang , Chong Xia , Linqing Zhao , Jiwen Lu , Haibin Yan

In 2D image processing, some attempts decompose images into high and low frequency components for describing edge and smooth parts respectively. Similarly, the contour and flat area of 3D objects, such as the boundary and seat area of a…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Mutian Xu , Junhao Zhang , Zhipeng Zhou , Mingye Xu , Xiaojuan Qi , Yu Qiao

Due to object detection's close relationship with video analysis and image understanding, it has attracted much research attention in recent years. Traditional object detection methods are built on handcrafted features and shallow trainable…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Zhong-Qiu Zhao , Peng Zheng , Shou-tao Xu , Xindong Wu

Object detection has been one of the most active topics in computer vision for the past years. Recent works have mainly focused on pushing the state-of-the-art in the general-purpose COCO benchmark. However, the use of such detection…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Manuel Carranza-García , Pedro Lara-Benítez , Jorge García-Gutiérrez , José C. Riquelme

Deep object recognition models have been very successful over benchmark datasets such as ImageNet. How accurate and robust are they to distribution shifts arising from natural and synthetic variations in datasets? Prior research on this…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Ali Borji

Most of the existing bi-modal (RGB-D and RGB-T) salient object detection methods utilize the convolution operation and construct complex interweave fusion structures to achieve cross-modal information integration. The inherent local…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Youwei Pang , Xiaoqi Zhao , Lihe Zhang , Huchuan Lu

In this work, we explore the trade-offs of explicit structural priors, particularly group equivariance. We address this through theoretical analysis and a comprehensive empirical study. To enable controlled and fair comparisons, we…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Sharvaree Vadgama , Mohammad Mohaiminul Islam , Domas Buracas , Christian Shewmake , Artem Moskalev , Erik Bekkers

Recently, discriminatively learned correlation filters (DCF) has drawn much attention in visual object tracking community. The success of DCF is potentially attributed to the fact that a large amount of samples are utilized to train the…

计算机视觉与模式识别 · 计算机科学 2016-11-16 Kai Chen , Wenbing Tao

This paper presents RadioGUNet, a UNet-based deep learning framework for pathloss estimation in wireless communication. Unlike other frameworks, it leverages group equivariant convolutional networks, which are known to increase the…

网络与互联网体系结构 · 计算机科学 2025-11-25 Ziyue Yang , Feng Liu , Yifei Jin , Konstantinos Vandikas

Weight sharing in convolutional neural networks (CNNs) ensures that their feature maps will be translation-equivariant. However, although conventional convolutions are equivariant to translation, they are not equivariant to other isometries…

天体物理仪器与方法 · 物理学 2021-03-10 Anna M. M. Scaife , Fiona Porter

Under mild conditions on the noise level of the measurements, rotation averaging satisfies strong duality, which enables global solutions to be obtained via semidefinite programming (SDP) relaxation. However, generic solvers for SDP are…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Álvaro Parra , Shin-Fang Chng , Tat-Jun Chin , Anders Eriksson , Ian Reid

Detection of arbitrarily rotated objects is a challenging task due to the difficulties of locating the multi-angle objects and separating them effectively from the background. The existing methods are not robust to angle varies of the…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Lei Liu , Zongxu Pan , Bin Lei

Recent learning-based visual localization methods use global descriptors to disambiguate visually similar places, but existing approaches often derive these descriptors from geometric cues alone (e.g., covisibility graphs), limiting their…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Son Tung Nguyen , Alejandro Fontan , Michael Milford , Tobias Fischer

In recent years the use of convolutional layers to encode an inductive bias (translational equivariance) in neural networks has proven to be a very fruitful idea. The successes of this approach have motivated a line of research into…

Despite receiving significant attention from the research community, the task of segmenting and tracking objects in monocular videos still has much room for improvement. Existing works have simultaneously justified the efficacy of dilated…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Christian Schmidt , Ali Athar , Sabarinath Mahadevan , Bastian Leibe

Vision-centric Bird's Eye View (BEV) perception holds considerable promise for autonomous driving. Recent studies have prioritized efficiency or accuracy enhancements, yet the issue of domain shift has been overlooked, leading to…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Rongyu Zhang , Jiaming Liu , Xiaoqi Li , Xiaowei Chi , Dan Wang , Li Du , Yuan Du , Shanghang Zhang

Recent point cloud completion models, including transformer-based, denoising-based, and other state-of-the-art approaches, generate globally plausible shapes from partial inputs but often leave local geometric inconsistencies. We propose…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Bhanu Pratap Paregi , Vaibhav Kumar