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The goal of few-shot learning is to classify unseen categories with few labeled samples. Recently, the low-level information metric-learning based methods have achieved satisfying performance, since local representations (LRs) are more…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Haoxing Chen , Huaxiong Li , Yaohui Li , Chunlin Chen

The goal of stance detection is to determine the viewpoint expressed in a piece of text towards a target. These viewpoints or contexts are often expressed in many different languages depending on the user and the platform, which can be a…

Computation and Language · Computer Science 2021-12-22 Momchil Hardalov , Arnav Arora , Preslav Nakov , Isabelle Augenstein

Aspect based sentiment analysis, predicting sentiment polarity of given aspects, has drawn extensive attention. Previous attention-based models emphasize using aspect semantics to help extract opinion features for classification. However,…

Computation and Language · Computer Science 2021-04-13 Lu Xu , Lidong Bing , Wei Lu , Fei Huang

Opinion phrase extraction is one of the key tasks in fine-grained sentiment analysis. While opinion expressions could be generic subjective expressions, aspect specific opinion expressions contain both the aspect as well as the opinion…

Computation and Language · Computer Science 2019-02-08 Abhishek Laddha , Arjun Mukherjee

This paper aims to address few-shot segmentation. While existing prototype-based methods have achieved considerable success, they suffer from uncertainty and ambiguity caused by limited labeled examples. In this work, we propose attentional…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Haoliang Sun , Xiankai Lu , Haochen Wang , Yilong Yin , Xiantong Zhen , Cees G. M. Snoek , Ling Shao

Few-shot learning (FSL) has attracted considerable attention recently. Among existing approaches, the metric-based method aims to train an embedding network that can make similar samples close while dissimilar samples as far as possible and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Bin Xiao , Chien-Liang Liu , Wen-Hoar Hsaio

How can models effectively detect out-of-distribution (OOD) samples in complex, multi-label settings without extensive retraining? Existing OOD detection methods struggle to capture the intricate semantic relationships and label…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Zhendong Liu , Yi Nian , Yuehan Qin , Henry Peng Zou , Li Li , Xiyang Hu , Yue Zhao

The purpose of few-shot recognition is to recognize novel categories with a limited number of labeled examples in each class. To encourage learning from a supplementary view, recent approaches have introduced auxiliary semantic modalities…

Computer Vision and Pattern Recognition · Computer Science 2021-02-04 Siteng Huang , Min Zhang , Yachen Kang , Donglin Wang

Few-shot learning aims to train models that can recognize novel classes given just a handful of labeled examples, known as the support set. While the field has seen notable advances in recent years, they have often focused on multi-class…

Sound · Computer Science 2021-10-20 Yu Wang , Nicholas J. Bryan , Justin Salamon , Mark Cartwright , Juan Pablo Bello

Aspect-category sentiment analysis (ACSA) aims to predict the aspect categories mentioned in texts and their corresponding sentiment polarities. Some joint models have been proposed to address this task. Given a text, these joint models…

Computation and Language · Computer Science 2021-10-22 Yuncong Li , Zhe Yang , Cunxiang Yin , Xu Pan , Lunan Cui , Qiang Huang , Ting Wei

Few-shot semantic segmentation aims to learn to segment unseen class objects with the guidance of only a few support images. Most previous methods rely on the pixel-level label of support images. In this paper, we focus on a more…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Haohan Wang , Liang Liu , Wuhao Zhang , Jiangning Zhang , Zhenye Gan , Yabiao Wang , Chengjie Wang , Haoqian Wang

Aspect-level sentiment classification (ASC) aims to predict the fine-grained sentiment polarity towards a given aspect mentioned in a review. Despite recent advances in ASC, enabling machines to preciously infer aspect sentiments is still…

Computation and Language · Computer Science 2022-03-02 Bowen Xing , Ivor W. Tsang

Cross-domain few-shot hyperspectral image classification focuses on learning prior knowledge from a large number of labeled samples from source domains and then transferring the knowledge to the tasks which contain few labeled samples in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Chun Liu , Longwei Yang , Zheng Li , Wei Yang , Zhigang Han , Jianzhong Guo , Junyong Yu

Sentiment analysis is an important task in natural language processing. In recent works, pre-trained language models are often used to achieve state-of-the-art results, especially when training data is scarce. It is common to fine-tune on…

Computation and Language · Computer Science 2022-04-13 Ehsan Hosseini-Asl , Wenhao Liu , Caiming Xiong

In few-shot classification, we are interested in learning algorithms that train a classifier from only a handful of labeled examples. Recent progress in few-shot classification has featured meta-learning, in which a parameterized model for…

Recent progress in semantic segmentation is driven by deep Convolutional Neural Networks and large-scale labeled image datasets. However, data labeling for pixel-wise segmentation is tedious and costly. Moreover, a trained model can only…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Chi Zhang , Guosheng Lin , Fayao Liu , Rui Yao , Chunhua Shen

Relation classification (RC) task is one of fundamental tasks of information extraction, aiming to detect the relation information between entity pairs in unstructured natural language text and generate structured data in the form of…

Computation and Language · Computer Science 2021-01-12 Yan Xiao , Yaochu Jin , Kuangrong Hao

This paper aims at an aspect sentiment model for aspect-based sentiment analysis (ABSA) focused on micro reviews. This task is important in order to understand short reviews majority of the users write, while existing topic models are…

Computation and Language · Computer Science 2018-06-15 Reinald Kim Amplayo , Seung-won Hwang

Aspect-level sentiment classification (ASC) aims at identifying sentiment polarities towards aspects in a sentence, where the aspect can behave as a general Aspect Category (AC) or a specific Aspect Term (AT). However, due to the especially…

Computation and Language · Computer Science 2018-11-28 Zheng Li , Ying Wei , Yu Zhang , Xiang Zhang , Xin Li , Qiang Yang

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
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