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We develop new algorithms for simultaneous learning of multiple tasks (e.g., image classification, depth estimation), and for adapting to unseen task/domain distributions within those high-level tasks (e.g., different environments). First,…

Machine Learning · Computer Science 2020-06-16 Kiran Lekkala , Laurent Itti

Recognizing useful named entities plays a vital role in medical information processing, which helps drive the development of medical area research. Deep learning methods have achieved good results in medical named entity recognition (NER).…

Computation and Language · Computer Science 2022-11-10 Junzhe Jiang , Mingyue Cheng , Qi Liu , Zhi Li , Enhong Chen

This article proposes a meta-learning method for estimating the conditional average treatment effect (CATE) from a few observational data. The proposed method learns how to estimate CATEs from multiple tasks and uses the knowledge for…

Machine Learning · Statistics 2023-05-22 Tomoharu Iwata , Yoichi Chikahara

Recent works have made great progress in semantic segmentation by exploiting richer context, most of which are designed from a spatial perspective. In contrast to previous works, we present the concept of class center which extracts the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Fan Zhang , Yanqin Chen , Zhihang Li , Zhibin Hong , Jingtuo Liu , Feifei Ma , Junyu Han , Errui Ding

The task of predicting affective information in the wild such as seven basic emotions or action units from human faces has gradually become more interesting due to the accessibility and availability of massive annotated datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Phan Tran Dac Thinh , Hoang Manh Hung , Hyung-Jeong Yang , Soo-Hyung Kim , Guee-Sang Lee

Affective Behavior Analysis is an important part in human-computer interaction. Existing multi-task affective behavior recognition methods suffer from the problem of incomplete labeled datasets. To tackle this problem, this paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Lingfeng Wang , Shisen Wang , Jin Qi , Kenji Suzuki

Aspect-based Sentiment Analysis (ABSA) is a critical task in Natural Language Processing (NLP) that focuses on extracting sentiments related to specific aspects within a text, offering deep insights into customer opinions. Traditional…

Boundary and edge cues are highly beneficial in improving a wide variety of vision tasks such as semantic segmentation, object recognition, stereo, and object proposal generation. Recently, the problem of edge detection has been revisited…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Zhiding Yu , Chen Feng , Ming-Yu Liu , Srikumar Ramalingam

Many deep learning applications, like keyword spotting, require the incorporation of new concepts (classes) over time, referred to as Class Incremental Learning (CIL). The major challenge in CIL is catastrophic forgetting, i.e., preserving…

Machine Learning · Computer Science 2022-04-28 Dong Ma , Chi Ian Tang , Cecilia Mascolo

In this paper, we define and study a new task called Context-Aware Semantic Expansion (CASE). Given a seed term in a sentential context, we aim to suggest other terms that well fit the context as the seed. CASE has many interesting…

Computation and Language · Computer Science 2020-01-01 Jialong Han , Aixin Sun , Haisong Zhang , Chenliang Li , Shuming Shi

Aspect-based sentiment analysis (ABSA), a nuanced task in text analysis, seeks to discern sentiment orientation linked to specific aspect terms in text. Traditional approaches often overlook or inadequately model the explicit syntactic…

Computation and Language · Computer Science 2023-12-08 Ullman Galen , Frey Lee , Woods Ali

Aspect-based sentiment classification (ASC) aims to judge the sentiment polarity conveyed by the given aspect term in a sentence. The sentiment polarity is not only determined by the local context but also related to the words far away from…

Computation and Language · Computer Science 2025-02-11 Hao Niu , Yun Xiong , Xiaosu Wang , Philip S. Yu

Deep learning models dealing with image understanding in real-world settings must be able to adapt to a wide variety of tasks across different domains. Domain adaptation and class incremental learning deal with domain and task variability…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Marco Toldo , Umberto Michieli , Pietro Zanuttigh

Deep neural networks are highly effective when a large number of labeled samples are available but fail with few-shot classification tasks. Recently, meta-learning methods have received much attention, which train a meta-learner on massive…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Yucan Zhou , Yu Wang , Jianfei Cai , Yu Zhou , Qinghua Hu , Weiping Wang

Domain adaptation tasks such as cross-domain sentiment classification aim to utilize existing labeled data in the source domain and unlabeled or few labeled data in the target domain to improve the performance in the target domain via…

Computation and Language · Computer Science 2022-01-03 Dongbo Xi , Fuzhen Zhuang , Ganbin Zhou , Xiaohu Cheng , Fen Lin , Qing He

To address the problem of catastrophic forgetting due to the invisibility of old categories in sequential input, existing work based on relatively simple categorization tasks has made some progress. In contrast, video captioning is a more…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Huiyu Xiong , Lanxiao Wang , Heqian Qiu , Taijin Zhao , Benliu Qiu , Hongliang Li

Most neural network-based classifiers extract features using several hidden layers and make predictions at the output layer by utilizing these extracted features. We observe that not all features are equally pronounced in all classes; we…

Machine Learning · Computer Science 2022-11-22 Yifan Hao , Huiping Cao , K. Selcuk Candan , Jiefei Liu , Huiying Chen , Ziwei Ma

We propose a meta-learning method for semi-supervised learning that learns from multiple tasks with heterogeneous attribute spaces. The existing semi-supervised meta-learning methods assume that all tasks share the same attribute space,…

Machine Learning · Computer Science 2023-11-10 Tomoharu Iwata , Atsutoshi Kumagai

Meta-learning has emerged as a prominent technology for few-shot text classification and has achieved promising performance. However, existing methods often encounter difficulties in drawing accurate class prototypes from support set…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Xinyue Liu , Yunlong Gao , Linlin Zong , Bo Xu

Multi-domain aspect-based sentiment analysis (ABSA) seeks to capture fine-grained sentiment across diverse domains. While existing research narrowly focuses on single-domain applications constrained by methodological limitations and data…

Computation and Language · Computer Science 2024-03-05 Songhua Yang , Xinke Jiang , Hanjie Zhao , Wenxuan Zeng , Hongde Liu , Yuxiang Jia