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Although deep learning-based segmentation models have achieved impressive performance on public benchmarks, generalizing well to unseen environments remains a major challenge. To improve the model's generalization ability to the new domain…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Yunlong Zhang , Yuxuan Sun , Sunyi Zheng , Zhongyi Shui , Chenglu Zhu , Lin Yang

Continuous sign language recognition (SLR) is a challenging task that requires learning on both spatial and temporal dimensions of signing frame sequences. Most recent work accomplishes this by using CNN and RNN hybrid networks. However,…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Ka Leong Cheng , Zhaoyang Yang , Qifeng Chen , Yu-Wing Tai

Image segmentation is a fundamental task in computer vision. Data annotation for training supervised methods can be labor-intensive, motivating unsupervised methods. Current approaches often rely on extracting deep features from pre-trained…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Amit Aflalo , Shai Bagon , Tamar Kashti , Yonina Eldar

Many contrastive representation learning methods learn a single global representation of an entire image. However, dense contrastive representation learning methods such as DenseCL (Wang et al., 2021) can learn better representations for…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Berk Iskender , Zhenlin Xu , Simon Kornblith , En-Hung Chu , Maryam Khademi

Graph contrastive learning (GCL) aims to align the positive features while differentiating the negative features in the latent space by minimizing a pair-wise contrastive loss. As the embodiment of an outstanding discriminative unsupervised…

机器学习 · 计算机科学 2023-12-27 Jiangmeng Li , Yifan Jin , Hang Gao , Wenwen Qiang , Changwen Zheng , Fuchun Sun

This paper introduces a semi-supervised contrastive learning framework and its application to text-independent speaker verification. The proposed framework employs generalized contrastive loss (GCL). GCL unifies losses from two different…

音频与语音处理 · 电气工程与系统科学 2020-06-09 Nakamasa Inoue , Keita Goto

Curriculum learning can improve neural network training by guiding the optimization to desirable optima. We propose a novel curriculum learning approach for image classification that adapts the loss function by changing the label…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Urun Dogan , Aniket Anand Deshmukh , Marcin Machura , Christian Igel

Loop closure detection (LCD) is an indispensable part of simultaneous localization and mapping systems (SLAM); it enables robots to produce a consistent map by recognizing previously visited places. When robots operate over extended…

机器人学 · 计算机科学 2017-04-18 Dongdong Bai , Chaoqun Wang , Bo Zhang , Xiaodong Yi , Xuejun Yang

We revisit two popular convolutional neural networks (CNN) in person re-identification (re-ID), i.e, verification and classification models. The two models have their respective advantages and limitations due to different loss functions. In…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Zhedong Zheng , Liang Zheng , Yi Yang

Contrastive learning has emerged as an essential approach for self-supervised learning in visual representation learning. The central objective of contrastive learning is to maximize the similarities between two augmented versions of an…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Hengkui Dong , Xianzhong Long , Yun Li , Lei Chen

Contrastive learning (CL), which can extract the information shared between different contrastive views, has become a popular paradigm for vision representation learning. Inspired by the success in computer vision, recent work introduces CL…

机器学习 · 计算机科学 2022-12-15 Xumeng Gong , Cheng Yang , Chuan Shi

Clustering of hyperspectral images is a fundamental but challenging task. The recent development of hyperspectral image clustering has evolved from shallow models to deep and achieved promising results in many benchmark datasets. However,…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Yaoming Cai , Zijia Zhang , Yan Liu , Pedram Ghamisi , Kun Li , Xiaobo Liu , Zhihua Cai

High-throughput interpretation of robotically gathered seafloor visual imagery can increase the efficiency of marine monitoring and exploration. Although recent research has suggested that location metadata can enhance self-supervised…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Cailei Liang , Adrian Bodenmann , Emma J Curtis , Samuel Simmons , Kazunori Nagano , Stan Brown , Adam Riese , Blair Thornton

In Computer Vision, self-supervised contrastive learning enforces similar representations between different views of the same image. The pre-training is most often performed on image classification datasets, like ImageNet, where images…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Benjamin Missaoui , Chongbin Yuan

Graph contrastive learning (GCL), standing as the dominant paradigm in the realm of graph pre-training, has yielded considerable progress. Nonetheless, its capacity for out-of-distribution (OOD) generalization has been relatively…

机器学习 · 计算机科学 2024-05-28 Zixu Wang , Bingbing Xu , Yige Yuan , Huawei Shen , Xueqi Cheng

Detecting lane markings in road scenes poses a challenge due to their intricate nature, which is susceptible to unfavorable conditions. While lane markings have strong shape priors, their visibility is easily compromised by lighting…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Ali Zoljodi , Sadegh Abadijou , Mina Alibeigi , Masoud Daneshtalab

Graph Neural Networks (GNNs) are powerful learning methods for recommender systems owing to their robustness in handling complicated user-item interactions. Recently, the integration of contrastive learning with GNNs has demonstrated…

机器学习 · 计算机科学 2024-08-12 Junfeng Long , Hao Wu

Graph contrastive learning (GCL) has emerged as a pivotal technique in the domain of graph representation learning. A crucial aspect of effective GCL is the caliber of generated positive and negative samples, which is intrinsically dictated…

机器学习 · 计算机科学 2024-02-19 Xinjian Zhao , Liang Zhang , Yang Liu , Ruocheng Guo , Xiangyu Zhao

Most graph contrastive learning (GCL) methods heavily rely on cross-view contrast, thus facing several concomitant challenges, such as the complexity of designing effective augmentations, the potential for information loss between views,…

机器学习 · 计算机科学 2024-12-13 Qingqiang Sun , Chaoqi Chen , Ziyue Qiao , Xubin Zheng , Kai Wang

Global Navigation Satellite System (GNSS) signals are fundamental in applications across navigation, transportation, and industrial networks. However, their extremely low received power makes them highly vulnerable to radio-frequency…

信号处理 · 电气工程与系统科学 2025-12-09 Zawar Hussain , Arslan Majal , Aamir Hussain Chughtai , Talha Nadeem
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