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In Natural Language Processing (NLP) tasks, data often has the following two properties: First, data can be chopped into multi-views which has been successfully used for dimension reduction purposes. For example, in topic classification,…

Machine Learning · Statistics 2012-09-27 Yichao Lu , Dean P. Foster

Multi-label aspect category detection allows a given review sentence to contain multiple aspect categories, which is shown to be more practical in sentiment analysis and attracting increasing attention. As annotating large amounts of data…

Computation and Language · Computer Science 2022-06-29 Han Liu , Feng Zhang , Xiaotong Zhang , Siyang Zhao , Junjie Sun , Hong Yu , Xianchao Zhang

In this paper, we present a novel approach for object recognition in real-time by employing multilevel feature analysis and demonstrate the practicality of adapting feature extraction into a Naive Bayesian classification framework that…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Yang Cheng , Timeo Dubois

Convolutional neural networks trained without supervision come close to matching performance with supervised pre-training, but sometimes at the cost of an even higher number of parameters. Extracting subnetworks from these large…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Mathilde Caron , Ari Morcos , Piotr Bojanowski , Julien Mairal , Armand Joulin

Human adaptability relies crucially on learning and merging knowledge from both supervised and unsupervised tasks: the parents point out few important concepts, but then the children fill in the gaps on their own. This is particularly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Silvia Bucci , Antonio D'Innocente , Yujun Liao , Fabio Maria Carlucci , Barbara Caputo , Tatiana Tommasi

Our work focuses on unsupervised and generative methods that address the following goals: (a) learning unsupervised generative representations that discover latent factors controlling image semantic attributes, (b) studying how this ability…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 William Paul , I-Jeng Wang , Fady Alajaji , Philippe Burlina

We present a neural framework for opinion summarization from online product reviews which is knowledge-lean and only requires light supervision (e.g., in the form of product domain labels and user-provided ratings). Our method combines two…

Computation and Language · Computer Science 2018-08-28 Stefanos Angelidis , Mirella Lapata

To alleviate the cost of collecting and annotating large-scale point cloud datasets, we propose an unsupervised learning approach to learn features from unlabeled point cloud "3D object" dataset by using part contrasting and object…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Ling Zhang , Zhigang Zhu

Relation extraction is a type of information extraction task that recognizes semantic relationships between entities in a sentence. Many previous studies have focused on extracting only one semantic relation between two entities in a single…

Computation and Language · Computer Science 2021-03-08 Seongsik Park , Harksoo Kim

This paper presents a novel multi-task learning-based method for unsupervised domain adaptation. Specifically, the source and target domain classifiers are jointly learned by considering the geometry of target domain and the divergence…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Jing Zhang , Wanqing Li , Philip Ogunbona

Recent neural sequence-to-sequence models with a copy mechanism have achieved remarkable progress in various text generation tasks. These models addressed out-of-vocabulary problems and facilitated the generation of rare words. However, the…

Computation and Language · Computer Science 2021-12-21 Sanghyuk Choi , Jeong-in Hwang , Hyungjong Noh , Yeonsoo Lee

Unsupervised object discovery is commonly interpreted as the task of localizing and/or categorizing objects in visual data without the need for labeled examples. While current object recognition methods have proven highly effective for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 José-Fabian Villa-Vásquez , Marco Pedersoli

Convolutional neural networks (CNNs) based approaches for semantic alignment and object landmark detection have improved their performance significantly. Current efforts for the two tasks focus on addressing the lack of massive training…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Sangryul Jeon , Dongbo Min , Seungryong Kim , Kwanghoon Sohn

Image captioning is a longstanding problem in the field of computer vision and natural language processing. To date, researchers have produced impressive state-of-the-art performance in the age of deep learning. Most of these…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Zihang Meng , David Yang , Xuefei Cao , Ashish Shah , Ser-Nam Lim

This paper introduces the use of single layer and deep convolutional networks for remote sensing data analysis. Direct application to multi- and hyper-spectral imagery of supervised (shallow or deep) convolutional networks is very…

Computer Vision and Pattern Recognition · Computer Science 2015-11-26 Adriana Romero , Carlo Gatta , Gustau Camps-Valls

This paper considers the unsupervised domain adaptation problem for neural machine translation (NMT), where we assume the access to only monolingual text in either the source or target language in the new domain. We propose a cross-lingual…

Computation and Language · Computer Science 2021-09-10 Thuy-Trang Vu , Xuanli He , Dinh Phung , Gholamreza Haffari

Existing aspect extraction methods mostly rely on explicit or ground truth aspect information, or using data mining or machine learning approaches to extract aspects from implicit user feedback such as user reviews. It however remains…

Information Retrieval · Computer Science 2023-06-05 Pan Li , Yuyan Wang , Ed H. Chi , Minmin Chen

This paper presents an effective few-shot point cloud semantic segmentation approach for real-world applications. Existing few-shot segmentation methods on point cloud heavily rely on the fully-supervised pretrain with large annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Jiahui Wang , Haiyue Zhu , Haoren Guo , Abdullah Al Mamun , Cheng Xiang , Tong Heng Lee

With an exponential explosive growth of various digital text information, it is challenging to efficiently obtain specific knowledge from massive unstructured text information. As one basic task for natural language processing (NLP),…

Computation and Language · Computer Science 2020-03-27 Yan Xiao , Yaochu Jin , Ran Cheng , Kuangrong Hao

Relation extraction has been widely studied to extract new relational facts from open corpus. Previous relation extraction methods are faced with the problem of wrong labels and noisy data, which substantially decrease the performance of…

Information Retrieval · Computer Science 2018-05-01 Dongdong Yang , Senzhang Wang , Zhoujun Li
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