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Existing point cloud learning methods aggregate features from neighbouring points relying on constructing graph in the spatial domain, which results in feature update for each point based on spatially-fixed neighbours throughout layers. In…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Zihao Li , Pan Gao , Hui Yuan , Ran Wei

Scene understanding is a pivotal task for autonomous vehicles to safely navigate in the environment. Recent advances in deep learning enable accurate semantic reconstruction of the surroundings from LiDAR data. However, these models…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Borna Bešić , Nikhil Gosala , Daniele Cattaneo , Abhinav Valada

Anomaly detection (AD) plays a vital role across a wide range of domains, but its performance might deteriorate when applied to target domains with limited data. Domain Adaptation (DA) offers a solution by transferring knowledge from a…

机器学习 · 统计学 2025-08-12 Tran Tuan Kiet , Nguyen Thang Loi , Vo Nguyen Le Duy

In this paper, we make two contributions to unsupervised domain adaptation (UDA) using the convolutional neural network (CNN). First, our approach transfers knowledge in all the convolutional layers through attention alignment. Most…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Guoliang Kang , Liang Zheng , Yan Yan , Yi Yang

Convolutional neural networks excel in a number of computer vision tasks. One of their most crucial architectural elements is the effective receptive field size, that has to be manually set to accommodate a specific task. Standard solutions…

计算机视觉与模式识别 · 计算机科学 2020-02-07 Domen Tabernik , Matej Kristan , Aleš Leonardis

Although deep neural networks have provided impressive gains in performance, these improvements often come at the cost of increased computational complexity and expense. In many cases, such as 3D volume or video classification tasks, not…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Sharath M Shankaranarayana , Soumava Kumar Roy , Prasad Sudhakar , Chandan Aladahalli

Unsupervised domain adaptation (UDA) has achieved unprecedented success in improving the cross-domain robustness of object detection models. However, existing UDA methods largely ignore the instantaneous data distribution during model…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Zongxian Li , Qixiang Ye , Chong Zhang , Jingjing Liu , Shijian Lu , Yonghong Tian

Existing approaches for unsupervised domain adaptive object detection perform feature alignment via adversarial training. While these methods achieve reasonable improvements in performance, they typically perform category-agnostic domain…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Vibashan VS , Vikram Gupta , Poojan Oza , Vishwanath A. Sindagi , Vishal M. Patel

Most unsupervised domain adaptation (UDA) methods assume that labeled source images are available during model adaptation. However, this assumption is often infeasible owing to confidentiality issues or memory constraints on mobile devices.…

计算机视觉与模式识别 · 计算机科学 2023-03-17 JoonHo Lee , Gyemin Lee

In this paper, we propose Attention Based Decomposition Network (ABD-Net), for point cloud decomposition into basic geometric shapes namely, plane, sphere, cone and cylinder. We show improved performance of 3D object classification using…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Siddharth Katageri , Shashidhar V Kudari , Akshaykumar Gunari , Ramesh Ashok Tabib , Uma Mudenagudi

With the growing popularity of deep-learning models, model understanding becomes more important. Much effort has been devoted to demystify deep neural networks for better interpretability. Some feature attribution methods have shown…

计算与语言 · 计算机科学 2022-04-27 Sheng Zhang , Jin Wang , Haitao Jiang , Rui Song

Local feature matching is an essential technique in image matching and plays a critical role in a wide range of vision-based applications. However, existing Transformer-based detector-free local feature matching methods encounter challenges…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Naijian Cao , Renjie He , Yuchao Dai , Mingyi He

We propose a new information aggregation method which called Localized Feature Aggregation Module based on the similarity between the feature maps of an encoder and a decoder. The proposed method recovers positional information by…

图像与视频处理 · 电气工程与系统科学 2021-12-06 Ryouichi Furukawa , Kazuhiro Hotta

Recently, Transformers have gained significant popularity in image restoration tasks such as image super-resolution and denoising, owing to their superior performance. However, balancing performance and computational burden remains a…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Leheng Zhang , Wei Long , Yawei Li , Xingyu Zhou , Xiaorui Zhao , Shuhang Gu

Existing automatic data augmentation (DA) methods either ignore updating DA's parameters according to the target model's state during training or adopt update strategies that are not effective enough. In this work, we design a novel data…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Xiaogang Xu , Hengshuang Zhao

In recommender systems, models mostly use a combination of embedding layers and multilayer feedforward neural networks. The high-dimensional sparse original features are downscaled in the embedding layer and then fed into the fully…

信息检索 · 计算机科学 2022-05-19 Mohan Hasama , Jing Li

Recently, deep convolutional neural network (CNN) have been widely used in image restoration and obtained great success. However, most of existing methods are limited to local receptive field and equal treatment of different types of…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Yucheng Hang , Qingmin Liao , Wenming Yang , Yupeng Chen , Jie Zhou

Multi-scale deformable attention (MSDeformAttn) has emerged as a key mechanism in various vision tasks, demonstrating explicit superiority attributed to multi-scale grid-sampling. However, this newly introduced operator incurs irregular…

硬件体系结构 · 计算机科学 2024-03-19 Yansong Xu , Dongxu Lyu , Zhenyu Li , Zilong Wang , Yuzhou Chen , Gang Wang , Zhican Wang , Haomin Li , Guanghui He

Towards better unsupervised domain adaptation (UDA). Recently, researchers propose various domain-conditioned attention modules and make promising progresses. However, considering that the configuration of attention, i.e., the type and the…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Kekai Sheng , Ke Li , Xiawu Zheng , Jian Liang , Weiming Dong , Feiyue Huang , Rongrong Ji , Xing Sun

Facial action unit (AU) detection remains a challenging task, due to the subtlety, dynamics, and diversity of AUs. Recently, the prevailing techniques of self-attention and causal inference have been introduced to AU detection. However,…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Zhiwen Shao , Hancheng Zhu , Yong Zhou , Xiang Xiang , Bing Liu , Rui Yao , Lizhuang Ma