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The performance of existing underwater object detection methods degrades seriously when facing domain shift caused by complicated underwater environments. Due to the limitation of the number of domains in the dataset, deep detectors easily…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Yang Chen , Pinhao Song , Hong Liu , Linhui Dai , Xiaochuan Zhang , Runwei Ding , Shengquan Li

Anomaly detection aims at identifying deviant samples from the normal data distribution. Contrastive learning has provided a successful way to sample representation that enables effective discrimination on anomalies. However, when…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Gaoang Wang , Yibing Zhan , Xinchao Wang , Mingli Song , Klara Nahrstedt

Few-shot remote sensing image scene classification (FS-RSISC) aims at classifying remote sensing images with only a few labeled samples. The main challenges lie in small inter-class variances and large intra-class variances, which are the…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Zhong Ji , Liyuan Hou , Xuan Wang , Gang Wang , Yanwei Pang

Graph Contrastive Learning (GCL) has emerged as a powerful tool for extracting consistent representations from graphs, independent of labeled information. However, existing methods predominantly focus on undirected graphs, disregarding the…

机器学习 · 计算机科学 2025-10-21 Daohan Su , Yang Zhang , Xunkai Li , Rong-Hua Li , Guoren Wang

Supervised deep learning needs a large amount of labeled data to achieve high performance. However, in medical imaging analysis, each site may only have a limited amount of data and labels, which makes learning ineffective. Federated…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Yawen Wu , Dewen Zeng , Zhepeng Wang , Yiyu Shi , Jingtong Hu

Infrared search and tracking (IRST) system has been widely concerned and applied in the area of national defence. Small target detection under complex background is a very challenging task in the development of system algorithm. Low…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Fan Wang

While effective in recommendation tasks, collaborative filtering (CF) techniques face the challenge of data sparsity. Researchers have begun leveraging contrastive learning to introduce additional self-supervised signals to address this.…

信息检索 · 计算机科学 2024-02-20 Peijie Sun , Le Wu , Kun Zhang , Xiangzhi Chen , Meng Wang

Hierarchical classification is a crucial task in many applications, where objects are organized into multiple levels of categories. However, conventional classification approaches often neglect inherent inter-class relationships at…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Julius Ott , Nastassia Vysotskaya , Huawei Sun , Lorenzo Servadei , Robert Wille

Recent advances in unsupervised deep graph clustering have been significantly promoted by contrastive learning. Despite the strides, most graph contrastive learning models face challenges: 1) graph augmentation is used to improve learning…

机器学习 · 计算机科学 2024-08-23 Chusheng Zeng , Bocheng Wang , Jinghui Yuan , Rong Wang , Mulin Chen

Contrastive self-supervised learning (CSL) has attracted increasing attention for model pre-training via unlabeled data. The resulted CSL models provide instance-discriminative visual features that are uniformly scattered in the feature…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Yifan Zhang , Bryan Hooi , Dapeng Hu , Jian Liang , Jiashi Feng

Intelligent fault diagnosis (IFD) plays a crucial role in ensuring the safe operation of industrial machinery and improving production efficiency. However, traditional supervised deep learning methods require a large amount of training data…

机器学习 · 计算机科学 2025-07-22 Yajiao Dai , Jun Li , Zhen Mei , Yiyang Ni , Shi Jin , Zengxiang Li , Sheng Guo , Wei Xiang

In this paper, we address Novel Class Discovery (NCD), the task of unveiling new classes in a set of unlabeled samples given a labeled dataset with known classes. We exploit the peculiarities of NCD to build a new framework, named…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Zhun Zhong , Enrico Fini , Subhankar Roy , Zhiming Luo , Elisa Ricci , Nicu Sebe

Recently, representation learning with contrastive learning algorithms has been successfully applied to challenging unlabeled datasets. However, these methods are unable to distinguish important features from unimportant ones under simply…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Toshiyuki Oshima , Kentaro Takagi , Kouta Nakata

This paper describes our approach to the DSTL Satellite Imagery Feature Detection challenge run by Kaggle. The primary goal of this challenge is accurate semantic segmentation of different classes in satellite imagery. Our approach is based…

计算机视觉与模式识别 · 计算机科学 2017-06-21 Vladimir Iglovikov , Sergey Mushinskiy , Vladimir Osin

Multimodal Attributed Graphs (MMAGs) are an expressive data model for representing the complex interconnections among entities that associate attributes from multiple data modalities (text, images, etc.). Clustering over such data finds…

机器学习 · 计算机科学 2025-11-26 Haoran Zheng , Renchi Yang , Hongtao Wang , Jianliang Xu

Detecting arbitrarily oriented tiny objects poses intense challenges to existing detectors, especially for label assignment. Despite the exploration of adaptive label assignment in recent oriented object detectors, the extreme geometry…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Chang Xu , Jian Ding , Jinwang Wang , Wen Yang , Huai Yu , Lei Yu , Gui-Song Xia

Semi-supervised learning is a sound measure to relieve the strict demand of abundant annotated datasets, especially for challenging multi-organ segmentation . However, most existing SSL methods predict pixels in a single image…

计算机视觉与模式识别 · 计算机科学 2024-05-09 Lu Wen , Zhenghao Feng , Yun Hou , Peng Wang , Xi Wu , Jiliu Zhou , Yan Wang

Recommender systems are widely deployed in various web environments, and self-supervised learning (SSL) has recently attracted significant attention in this field. Contrastive learning (CL) stands out as a major SSL paradigm due to its…

信息检索 · 计算机科学 2025-01-17 Yu Zhang , Lei Sang , Yi Zhang , Yiwen Zhang , Yun Yang

Graph Convolutional Network (GCN) has exhibited remarkable potential in improving graph-based clustering. To handle the general clustering scenario without a prior graph, these models estimate an initial graph beforehand to apply GCN.…

机器学习 · 计算机科学 2024-04-04 Mulin Chen , Bocheng Wang , Xuelong Li

Enhancing feature transferability by matching marginal distributions has led to improvements in domain adaptation, although this is at the expense of feature discrimination. In particular, the ideal joint hypothesis error in the target…

计算机视觉与模式识别 · 计算机科学 2020-06-20 Changhwa Park , Jonghyun Lee , Jaeyoon Yoo , Minhoe Hur , Sungroh Yoon