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Recently, self-attention mechanisms have shown impressive performance in various NLP and CV tasks, which can help capture sequential characteristics and derive global information. In this work, we explore how to extend self-attention…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Haowei Zhu , Wenjing Ke , Dong Li , Ji Liu , Lu Tian , Yi Shan

This paper focuses on the visible-thermal cross-modality person re-identification (VT Re-ID) task, whose goal is to match person images between the daytime visible modality and the nighttime thermal modality. The two-stream network is…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Haijun Liu , Xiaoheng Tan , Xichuan Zhou

This paper proposes multiscale convolutional neural network (CNN)-based deep metric learning for bioacoustic classification, under low training data conditions. The proposed CNN is characterized by the utilization of four different filter…

音频与语音处理 · 电气工程与系统科学 2019-09-04 Anshul Thakur , Daksh Thapar , Padmanabhan Rajan , Aditya Nigam

Unsupervised person re-identification aims to retrieve images of a specified person without identity labels. Many recent unsupervised Re-ID approaches adopt clustering-based methods to measure cross-camera feature similarity to roughly…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Pengna Li , Kangyi Wu , Wenli Huang , Sanping Zhou , Jinjun Wang

Person re-identification has achieved great progress with deep convolutional neural networks. However, most previous methods focus on learning individual appearance feature embedding, and it is hard for the models to handle difficult…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Yichao Yan , Qiang Zhang , Bingbing Ni , Wendong Zhang , Minghao Xu , Xiaokang Yang

We address the problem of distance metric learning in visual similarity search, defined as learning an image embedding model which projects images into Euclidean space where semantically and visually similar images are closer and dissimilar…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Xiaonan Zhao , Huan Qi , Rui Luo , Larry Davis

In data containing heterogeneous subpopulations, classification performance benefits from incorporating the knowledge of cluster structure in the classifier. Previous methods for such combined clustering and classification either 1) are…

机器学习 · 计算机科学 2023-01-04 Shivin Srivastava , Siddharth Bhatia , Lingxiao Huang , Lim Jun Heng , Kenji Kawaguchi , Vaibhav Rajan

In order to design haptic icons or build a haptic vocabulary, we require a set of easily distinguishable haptic signals to avoid perceptual ambiguity, which in turn requires a way to accurately estimate the perceptual (dis)similarity of…

机器学习 · 计算机科学 2020-10-13 Priyadarshini Kumari , Siddhartha Chaudhuri , Subhasis Chaudhuri

LiDAR-based place recognition is an essential and challenging task both in loop closure detection and global relocalization. We propose Deep Scan Context (DSC), a general and discriminative global descriptor that captures the relationship…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Jiafeng Cui , Tengfei Huang , Yingfeng Cai , Junqiao Zhao , Lu Xiong , Zhuoping Yu

Improving the classification of multi-class imbalanced data is more difficult than its two-class counterpart. In this paper, we use deep neural networks to train new representations of tabular multi-class data. Unlike the typically…

机器学习 · 计算机科学 2023-12-19 Damian Horna , Lango Mateusz , Jerzy Stefanowski

Human attribute analysis is a challenging task in the field of computer vision, since the data is largely imbalance-distributed. Common techniques such as re-sampling and cost-sensitive learning require prior-knowledge to train the system.…

计算机视觉与模式识别 · 计算机科学 2019-08-16 Yiru Wang , Weihao Gan , Jie Yang , Wei Wu , Junjie Yan

We propose a discrimination-aware learning method to improve both accuracy and fairness of biased face recognition algorithms. The most popular face recognition benchmarks assume a distribution of subjects without paying much attention to…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Ignacio Serna , Aythami Morales , Julian Fierrez , Manuel Cebrian , Nick Obradovich , Iyad Rahwan

Effectively measuring the similarity between two human motions is necessary for several computer vision tasks such as gait analysis, person identi- fication and action retrieval. Nevertheless, we believe that traditional approaches such as…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Huseyin Coskun , David Joseph Tan , Sailesh Conjeti , Nassir Navab , Federico Tombari

With the development of deep learning technologies, attribute recognition and person re-identification (re-ID) have attracted extensive attention and achieved continuous improvement via executing computing-intensive deep neural networks in…

计算机视觉与模式识别 · 计算机科学 2020-08-13 Zichuan Xu , Jiangkai Wu , Qiufen Xia , Pan Zhou , Jiankang Ren , Huizhi Liang

Video-based person re-identification (Re-ID) is an important computer vision task. The batch-hard triplet loss frequently used in video-based person Re-ID suffers from the Distance Variance among Different Positives (DVDP) problem. In this…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Zhiyuan Chen , Annan Li , Shilu Jiang , Yunhong Wang

Cloth-Changing Person Re-Identification (CC-ReID) aims to accurately identify the target person in more realistic surveillance scenarios, where pedestrians usually change their clothing. Despite great progress, limited cloth-changing…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Peini Guo , Mengyuan Liu , Hong Liu , Ruijia Fan , Guoquan Wang , Bin He

The comparative losses (typically, triplet loss) are appealing choices for learning person re-identification (ReID) features. However, the triplet loss is computationally much more expensive than the (practically more popular)…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Ye Yuan , Wuyang Chen , Yang Yang , Zhangyang Wang

We cast visual retrieval as a regression problem by posing triplet loss as a regression loss. This enables epistemic uncertainty estimation using dropout as a Bayesian approximation framework in retrieval. Accordingly, Monte Carlo (MC)…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Ahmed Taha , Yi-Ting Chen , Xitong Yang , Teruhisa Misu , Larry Davis

Change detection (CD) is an important yet challenging task in the Earth observation field for monitoring Earth surface dynamics. The advent of deep learning techniques has recently propelled automatic CD into a technological revolution.…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Haonan Guo , Bo Du , Chen Wu , Chengxi Han , Liangpei Zhang

Recent innovations in training deep convolutional neural network (ConvNet) models have motivated the design of new methods to automatically learn local image descriptors. The latest deep ConvNets proposed for this task consist of a siamese…

计算机视觉与模式识别 · 计算机科学 2016-08-02 Vijay Kumar B G , Gustavo Carneiro , Ian Reid