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We demonstrate that replacing an LSTM encoder with a self-attentive architecture can lead to improvements to a state-of-the-art discriminative constituency parser. The use of attention makes explicit the manner in which information is…

计算与语言 · 计算机科学 2018-05-04 Nikita Kitaev , Dan Klein

A semi-supervised Partial Membership Latent Dirichlet Allocation approach is developed for hyperspectral unmixing and endmember estimation while accounting for spectral variability and spatial information. Partial Membership Latent…

计算机视觉与模式识别 · 计算机科学 2017-03-21 Sheng Zou , Hao Sun , Alina Zare

Utilizing the large-scale unlabeled data from the target domain via pseudo-label clustering algorithms is an important approach for addressing domain adaptation problems in speaker verification tasks. In this paper, we propose a novel…

声音 · 计算机科学 2023-05-23 Zhuo Li , Jingze Lu , Zhenduo Zhao , Wenchao Wang , Pengyuan Zhang

Distributional models are derived from co-occurrences in a corpus, where only a small proportion of all possible plausible co-occurrences will be observed. This results in a very sparse vector space, requiring a mechanism for inferring…

计算与语言 · 计算机科学 2016-08-25 Thomas Kober , Julie Weeds , Jeremy Reffin , David Weir

Partially-supervised learning can be challenging for segmentation due to the lack of supervision for unlabeled structures, and the methods directly applying fully-supervised learning could lead to incompatibility, meaning ground truth is…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Ke Zhang , Xiahai Zhuang

Deep neural networks have been widely used in communication signal recognition and achieved remarkable performance, but this superiority typically depends on using massive examples for supervised learning, whereas training a deep neural…

信号处理 · 电气工程与系统科学 2023-11-15 Weidong Wang , Hongshu Liao , Lu Gan

Semi-supervised learning (SSL) assumes that neighbor points lie in the same category (neighbor assumption), and points in different clusters belong to various categories (cluster assumption). Existing methods usually rely on similarity…

机器学习 · 统计学 2025-01-08 Shuyang Liu , Ruiqiu Zheng , Yunhang Shen , Ke Li , Xing Sun , Zhou Yu , Shaohui Lin

General unsupervised learning is a long-standing conceptual problem in machine learning. Supervised learning is successful because it can be solved by the minimization of the training error cost function. Unsupervised learning is not as…

机器学习 · 计算机科学 2015-12-04 Ilya Sutskever , Rafal Jozefowicz , Karol Gregor , Danilo Rezende , Tim Lillicrap , Oriol Vinyals

Unlabeled data learning has attracted considerable attention recently. However, it is still elusive to extract the expected high-level semantic feature with mere unsupervised learning. In the meantime, semi-supervised learning (SSL)…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Tao Han , Junyu Gao , Yuan Yuan , Qi Wang

Deep Convolutional Neural Networks (CNN) enforces supervised information only at the output layer, and hidden layers are trained by back propagating the prediction error from the output layer without explicit supervision. We propose a…

计算机视觉与模式识别 · 计算机科学 2016-06-07 Zhuolin Jiang , Yaming Wang , Larry Davis , Walt Andrews , Viktor Rozgic

In the transductive setting, where the full graph is observed but node labels are only partially available, progress in semi-supervised node classification has largely focused on architectural innovation. In this paper, we revisit an…

机器学习 · 计算机科学 2026-05-21 Brown Zaz , Mar Gonzàlez I Català , Ferran Hernandez Caralt , Moshe Eliasof , Pietro Liò

Semi-supervised learning aims to boost the accuracy of a model by exploring unlabeled images. The state-of-the-art methods are consistency-based which learn about unlabeled images by encouraging the model to give consistent predictions for…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Rongchang Xie , Chunyu Wang , Wenjun Zeng , Yizhou Wang

Autism spectrum disorder (ASD) remains a challenging condition to diagnose effectively and promptly, despite global efforts in public health, clinical screening, and scientific research. Traditional diagnostic methods, primarily reliant on…

计算机与社会 · 计算机科学 2025-03-11 Nora Fink

We present a deep generative model for unsupervised text style transfer that unifies previously proposed non-generative techniques. Our probabilistic approach models non-parallel data from two domains as a partially observed parallel…

计算与语言 · 计算机科学 2020-05-01 Junxian He , Xinyi Wang , Graham Neubig , Taylor Berg-Kirkpatrick

While significant attention has been recently focused on designing supervised deep semantic segmentation algorithms for vision tasks, there are many domains in which sufficient supervised pixel-level labels are difficult to obtain. In this…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Xide Xia , Brian Kulis

The concept of unsupervised universal sentence encoders has gained traction recently, wherein pre-trained models generate effective task-agnostic fixed-dimensional representations for phrases, sentences and paragraphs. Such methods are of…

计算与语言 · 计算机科学 2021-02-09 Subhradeep Kayal

Cross-lingual word embeddings aim to capture common linguistic regularities of different languages, which benefit various downstream tasks ranging from machine translation to transfer learning. Recently, it has been shown that these…

计算与语言 · 计算机科学 2018-11-02 Pengcheng Yang , Fuli Luo , Shuangzhi Wu , Jingjing Xu , Dongdong Zhang , Xu Sun

Deep learning has achieved unprecedented success in various object detection tasks with huge amounts of labeled data. However, obtaining large-scale annotations for medical images is extremely challenging due to the high demand of labour…

图像与视频处理 · 电气工程与系统科学 2022-03-21 Zhizhong Chai , Luyang Luo , Huangjing Lin , Hao Chen , Anjia Han , Pheng-Ann Heng

Deep neural networks (DNNs) have witnessed great successes in semantic segmentation, which requires a large number of labeled data for training. We present a novel learning framework called Uncertainty guided Cross-head Co-training (UCC)…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Jiashuo Fan , Bin Gao , Huan Jin , Lihui Jiang

Semi-supervised learning has substantially advanced medical image segmentation since it alleviates the heavy burden of acquiring the costly expert-examined annotations. Especially, the consistency-based approaches have attracted more…

图像与视频处理 · 电气工程与系统科学 2022-03-16 Zhe Xu , Yixin Wang , Donghuan Lu , Lequan Yu , Jiangpeng Yan , Jie Luo , Kai Ma , Yefeng Zheng , Raymond Kai-yu Tong
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