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Related papers: SEAL: Semantic-Aware Hierarchical Learning for Gen…

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Unsupervised out-of-distribution (OOD) Detection aims to separate the samples falling outside the distribution of training data without label information. Among numerous branches, contrastive learning has shown its excellent capability of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Menglong Chen , Xingtai Gui , Shicai Fan

Recent advances in unsupervised domain adaptation mainly focus on learning shared representations by global distribution alignment without considering class information across domains. The neglect of class information, however, may lead to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Chao Chen , Zhihang Fu , Zhihong Chen , Zhaowei Cheng , Xinyu Jin , Xian-Sheng Hua

Camera-based 3D semantic scene completion (SSC) is pivotal for predicting complicated 3D layouts with limited 2D image observations. The existing mainstream solutions generally leverage temporal information by roughly stacking history…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Bohan Li , Jiajun Deng , Wenyao Zhang , Zhujin Liang , Dalong Du , Xin Jin , Wenjun Zeng

In this paper, we propose a hierarchical contrastive learning framework, HiCL, which considers local segment-level and global sequence-level relationships to improve training efficiency and effectiveness. Traditional methods typically…

Computation and Language · Computer Science 2023-10-17 Zhuofeng Wu , Chaowei Xiao , VG Vinod Vydiswaran

In this paper, we present a novel cross-consistency based semi-supervised approach for semantic segmentation. Consistency training has proven to be a powerful semi-supervised learning framework for leveraging unlabeled data under the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Yassine Ouali , Céline Hudelot , Myriam Tami

In the process of exploring the world, the curiosity constantly drives humans to cognize new things. Supposing you are a zoologist, for a presented animal image, you can recognize it immediately if you know its class. Otherwise, you would…

Machine Learning · Computer Science 2019-08-15 Chuanxing Geng , Lue Tao , Songcan Chen

Contrastive learning has emerged as a powerful tool for graph representation learning. However, most contrastive learning methods learn features of graphs with fixed coarse-grained scale, which might underestimate either local or global…

Machine Learning · Computer Science 2022-10-24 Jun Wang , Weixun Li , Changyu Hou , Xin Tang , Yixuan Qiao , Rui Fang , Pengyong Li , Peng Gao , Guotong Xie

Semi-supervised learning (SSL) provides a powerful framework for leveraging unlabeled data when labels are limited or expensive to obtain. SSL algorithms based on deep neural networks have recently proven successful on standard benchmark…

Machine Learning · Computer Science 2019-05-28 Jiaxing Wang , Yin Zheng , Xiaoshuang Chen , Junzhou Huang , Jian Cheng

Generalized Category Discovery (GCD) aims to classify both base and novel images using labeled base data. However, current approaches inadequately address the intrinsic optimization of the co-occurrence matrix $\bar{A}$ based on cosine…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Zhong Ji , Shuo Yang , Jingren Liu , Yanwei Pang , Jungong Han

Active learning aims to alleviate the amount of labor involved in data labeling by automating the selection of unlabeled samples via an acquisition function. For example, variational adversarial active learning (VAAL) leverages an…

Machine Learning · Computer Science 2024-08-26 Zongyao Lyu , William J. Beksi

This paper studies continual learning (CL) of a sequence of aspect sentiment classification(ASC) tasks in a particular CL setting called domain incremental learning (DIL). Each task is from a different domain or product. The DIL setting is…

Computation and Language · Computer Science 2021-12-21 Zixuan Ke , Bing Liu , Hu Xu , Lei Shu

We propose a weakly-supervised framework for the semantic segmentation of circular-scan synthetic-aperture-sonar (CSAS) imagery. The first part of our framework is trained in a supervised manner, on image-level labels, to uncover a set of…

Fine-grained remote sensing datasets often use hierarchical label structures to differentiate objects in a coarse-to-fine manner, with each object annotated across multiple levels. However, embedding this semantic hierarchy into the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Jingzhou Chen , Dexin Chen , Fengchao Xiong , Yuntao Qian , Liang Xiao

The advancement of deep learning has greatly improved supervised image classification. However, labeling data is costly, prompting research into unsupervised learning methods such as contrastive learning. In real-world scenarios, fully…

Artificial Intelligence · Computer Science 2026-01-09 Shogo Nakayama , Masahiro Okuda

In this paper, we introduce Semantic-SAM, a universal image segmentation model to enable segment and recognize anything at any desired granularity. Our model offers two key advantages: semantic-awareness and granularity-abundance. To…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Feng Li , Hao Zhang , Peize Sun , Xueyan Zou , Shilong Liu , Jianwei Yang , Chunyuan Li , Lei Zhang , Jianfeng Gao

Semi-supervised change detection (SSCD) aims to detect changes between bi-temporal remote sensing images by utilizing limited labeled data and abundant unlabeled data. Existing methods struggle in complex scenarios, exhibiting poor…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Qi'ao Xu , Pengfei Wang , Yanjun Li , Tianwen Qian , Xiaoling Wang

We consider the problem of retrieving objects from image data and learning to classify them into meaningful semantic categories with minimal supervision. To that end, we propose a fully differentiable unsupervised deep clustering approach…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Steven Hickson , Anelia Angelova , Irfan Essa , Rahul Sukthankar

Outlier detection in high-dimensional tabular data is an important task in data mining, essential for many downstream tasks and applications. Existing unsupervised outlier detection algorithms face one or more problems, including inlier…

Machine Learning · Computer Science 2024-04-24 Jose Cribeiro-Ramallo , Vadim Arzamasov , Federico Matteucci , Denis Wambold , Klemens Böhm

For medical image segmentation, contrastive learning is the dominant practice to improve the quality of visual representations by contrasting semantically similar and dissimilar pairs of samples. This is enabled by the observation that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Chenyu You , Weicheng Dai , Yifei Min , Fenglin Liu , David A. Clifton , S Kevin Zhou , Lawrence Hamilton Staib , James S Duncan

Graph contrastive learning (GCL) has achieved remarkable success by following the computer vision paradigm of preserving absolute similarity between augmented views. However, this approach faces fundamental challenges in graphs due to their…

Machine Learning · Computer Science 2025-05-13 Zhiyuan Ning , Pengfei Wang , Ziyue Qiao , Pengyang Wang , Yuanchun Zhou
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