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Domain generalization models aim to learn cross-domain knowledge from source domain data, to improve performance on unknown target domains. Recent research has demonstrated that diverse and rich source domain samples can enhance domain…

机器学习 · 计算机科学 2024-03-12 Jianting Chen , Ling Ding , Yunxiao Yang , Zaiyuan Di , Yang Xiang

Customizable image retrieval from large datasets remains a critical challenge, particularly when preserving spatial relationships within images. Traditional hashing methods, primarily based on deep learning, often fail to capture spatial…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Sanggeon Yun , Ryozo Masukawa , SungHeon Jeong , Mohsen Imani

Deep hashing has shown promising performance in large-scale image retrieval. However, latent codes extracted by Deep Neural Networks (DNNs) will inevitably lose semantic information during the binarization process, which damages the…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Chengyin Xu , Zenghao Chai , Zhengzhuo Xu , Hongjia Li , Qiruyi Zuo , Lingyu Yang , Chun Yuan

Due to its low storage cost and fast query speed, cross-modal hashing (CMH) has been widely used for similarity search in multimedia retrieval applications. However, almost all existing CMH methods are based on hand-crafted features which…

信息检索 · 计算机科学 2016-02-16 Qing-Yuan Jiang , Wu-Jun Li

Deep hashing has been widely applied in large-scale data retrieval due to its superior retrieval efficiency and low storage cost. However, data are often scattered in data silos with privacy concerns, so performing centralized data storage…

信息检索 · 计算机科学 2022-07-13 Meilin Yang , Jian Xu , Yang Liu , Wenbo Ding

Hashing has been widely used for large-scale search due to its low storage cost and fast query speed. By using supervised information, supervised hashing can significantly outperform unsupervised hashing. Recently, discrete supervised…

信息检索 · 计算机科学 2018-10-17 Qing-Yuan Jiang , Xue Cui , Wu-Jun Li

Deep hashing has shown promising results in image retrieval and recognition. Despite its success, most existing deep hashing approaches are rather similar: either multi-layer perceptron or CNN is applied to extract image feature, followed…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Zhenzhen Wang , Weixiang Hong , Junsong Yuan

Semantic segmentation models based on convolutional neural networks (CNNs) have gained much attention in relation to remote sensing and have achieved remarkable performance for the extraction of buildings from high-resolution aerial images.…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Younghwan Na , Jun Hee Kim , Kyungsu Lee , Juhum Park , Jae Youn Hwang , Jihwan P. Choi

The development of model ensemble attacks has significantly improved the transferability of adversarial examples, but this progress also poses severe threats to the security of deep neural networks. Existing methods, however, face two…

机器学习 · 计算机科学 2025-05-05 Zhaoyang Ma , Zhihao Wu , Wang Lu , Xin Gao , Jinghang Yue , Taolin Zhang , Lipo Wang , Youfang Lin , Jing Wang

Hyperspectral image (HSI) classification is one of the most active research topics and has achieved promising results boosted by the recent development of deep learning. However, most state-of-the-art approaches tend to perform poorly when…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Ying Qu , Razieh Kaviani Baghbaderani , Wei Li , Lianru Gao , Hairong Qi

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Aaron Chadha , Yiannis Andreopoulos

Object recognition is a key enabler across industry and defense. As technology changes, algorithms must keep pace with new requirements and data. New modalities and higher resolution sensors should allow for increased algorithm robustness.…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Samuel Rivera , Joel Klipfel , Deborah Weeks

Deep models often fail to generalize well in test domains when the data distribution differs from that in the training domain. Among numerous approaches to address this Out-of-Distribution (OOD) generalization problem, there has been a…

机器学习 · 计算机科学 2022-10-14 Qixun Wang , Yifei Wang , Hong Zhu , Yisen Wang

Empirical evidence suggests that hashing is an effective strategy for dimensionality reduction and practical nonparametric estimation. In this paper we provide exponential tail bounds for feature hashing and show that the interaction…

人工智能 · 计算机科学 2010-02-27 Kilian Weinberger , Anirban Dasgupta , Josh Attenberg , John Langford , Alex Smola

There is a growing trend in studying deep hashing methods for content-based image retrieval (CBIR), where hash functions and binary codes are learnt using deep convolutional neural networks and then the binary codes can be used to do…

计算机视觉与模式识别 · 计算机科学 2017-11-17 Deng Cai , Xiuye Gu , Chaoqi Wang

Deep hash-based retrieval techniques are widely used in facial retrieval systems to improve the efficiency of facial matching. However, it also carries the danger of exposing private information. Deep hash models are easily influenced by…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yunna Lv , Long Tang , Dengpan Ye , Caiyun Xie , Jiacheng Deng , Yiheng He

Traditional domain adaptive semantic segmentation addresses the task of adapting a model to a novel target domain under limited or no additional supervision. While tackling the input domain gap, the standard domain adaptation settings…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Rui Gong , Martin Danelljan , Dengxin Dai , Danda Pani Paudel , Ajad Chhatkuli , Fisher Yu , Luc Van Gool

Adversarial examples have gained tons of attention in recent years. Many adversarial attacks have been proposed to attack image classifiers, but few work shift attention to object detectors. In this paper, we propose Sparse Adversarial…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Jiayu Bao

Partial domain adaptation aims to transfer knowledge from a label-rich source domain to a label-scarce target domain which relaxes the fully shared label space assumption across different domains. In this more general and practical…

机器学习 · 计算机科学 2019-05-13 Jin Chen , Xinxiao Wu , Lixin Duan , Shenghua Gao

Nearest-neighbor query processing is a fundamental operation for many image retrieval applications. Often, images are stored and represented by high-dimensional vectors that are generated by feature-extraction algorithms. Since tree-based…

数据库 · 计算机科学 2019-12-17 Omid Jafari , Khandker Mushfiqul Islam , Parth Nagarkar