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The state-of-the-art approaches in Generative Adversarial Networks (GANs) are able to learn a mapping function from one image domain to another with unpaired image data. However, these methods often produce artifacts and can only be able to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Hao Tang , Dan Xu , Nicu Sebe , Yan Yan

Weakly-supervised semantic segmentation (WSSS) with image-level labels has been widely studied to relieve the annotation burden of the traditional segmentation task. In this paper, we show that existing fully-annotated base categories can…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Siyuan Zhou , Li Niu , Jianlou Si , Chen Qian , Liqing Zhang

Aspect-based Sentiment Analysis (ABSA) aims to determine the sentiment polarity towards an aspect. Because of the expensive and limited labelled data, the pretraining strategy has become the de-facto standard for ABSA. However, there always…

Computation and Language · Computer Science 2023-06-27 Juhua Liu , Qihuang Zhong , Liang Ding , Hua Jin , Bo Du , Dacheng Tao

The Aspect Sentiment Triplet Extraction (ASTE) task aims to extract aspect terms, opinion terms, and their corresponding sentiment polarity from a given sentence. It remains one of the most prominent subtasks in fine-grained sentiment…

Computation and Language · Computer Science 2025-02-05 Qingling Li , Wushao Wen , Jinghui Qin

Semantic segmentation of satellite imagery is a common approach to identify patterns and detect changes around the planet. Most of the state-of-the-art semantic segmentation models are trained in a fully supervised way using Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Aditya Kulkarni , Tharun Mohandoss , Daniel Northrup , Ernest Mwebaze , Hamed Alemohammad

Cross-domain few-shot classification (CD-FSC) aims to identify novel target classes with a few samples, assuming that there exists a domain shift between source and target domains. Existing state-of-the-art practices typically pre-train on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Hengchu Lu , Yuanjie Shao , Xiang Wang , Changxin Gao

Aspect based sentiment analysis (ABSA) involves three fundamental subtasks: aspect term extraction, opinion term extraction, and aspect-level sentiment classification. Early works only focused on solving one of these subtasks individually.…

Computation and Language · Computer Science 2021-04-08 Yue Mao , Yi Shen , Chao Yu , Longjun Cai

This paper considers Aspect-based Opinion Summarization (AOS) of reviews on particular products. To enable real applications, an AOS system needs to address two core subtasks, aspect extraction and sentiment classification. Most existing…

Computation and Language · Computer Science 2015-12-01 Haibing Wu , Yiwei Gu , Shangdi Sun , Xiaodong Gu

Traditional sentiment analysis approaches tackle problems like ternary (3-category) and fine-grained (5-category) classification by learning the tasks separately. We argue that such classification tasks are correlated and we propose a…

Information Retrieval · Computer Science 2017-07-13 Georgios Balikas , Simon Moura , Massih-Reza Amini

Aspect-based Sentiment Analysis (ABSA) is a fine-grained sentiment analysis task which involves four elements from user-generated texts: aspect term, aspect category, opinion term, and sentiment polarity. Most computational approaches focus…

Aspect-based sentiment analysis (ABSA), a popular research area in NLP has two distinct parts -- aspect extraction (AE) and labeling the aspects with sentiment polarity (ALSA). Although distinct, these two tasks are highly correlated. The…

Computation and Language · Computer Science 2020-05-15 Navonil Majumder , Rishabh Bhardwaj , Soujanya Poria , Amir Zadeh , Alexander Gelbukh , Amir Hussain , Louis-Philippe Morency

Multi-domain image-to-image translation with conditional Generative Adversarial Networks (GANs) can generate highly photo realistic images with desired target classes, yet these synthetic images have not always been helpful to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Suman Sapkota , Bidur Khanal , Binod Bhattarai , Bishesh Khanal , Tae-Kyun Kim

Recently image-to-image translation has received increasing attention, which aims to map images in one domain to another specific one. Existing methods mainly solve this task via a deep generative model, and focus on exploring the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Songyao Jiang , Zhiqiang Tao , Yun Fu

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

The state-of-the-art solutions for Aspect-Level Sentiment Analysis (ALSA) were built on a variety of deep neural networks (DNN), whose efficacy depends on large amounts of accurately labeled training data. Unfortunately, high-quality…

Machine Learning · Computer Science 2019-07-02 Yanyan Wang , Qun Chen , Jiquan Shen , Boyi Hou , Murtadha Ahmed , Zhanhuai Li

Unsupervised image translation, which aims in translating two independent sets of images, is challenging in discovering the correct correspondences without paired data. Existing works build upon Generative Adversarial Network (GAN) such…

Computer Vision and Pattern Recognition · Computer Science 2018-02-20 Shuang Ma , Jianlong Fu , Chang Wen Chen , Tao Mei

Graph-based Aspect-based Sentiment Classification (ABSC) approaches have yielded state-of-the-art results, expecially when equipped with contextual word embedding from pre-training language models (PLMs). However, they ignore sequential…

Computation and Language · Computer Science 2021-10-04 Zeguan Xiao , Jiarun Wu , Qingliang Chen , Congjian Deng

Deep learning (DL) has made significant progress in angle closure classification with anterior segment optical coherence tomography (AS-OCT) images. These AS-OCT images are often acquired by different imaging devices/conditions, which…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Zhen Qiu , Yifan Zhang , Fei Li , Xiulan Zhang , Yanwu Xu , Mingkui Tan

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 objective of Aspect Based Sentiment Analysis is to capture the sentiment of reviewers associated with different aspects. However, complexity of the review sentences, presence of double negation and specific usage of words found in…

Computation and Language · Computer Science 2022-02-15 Abir Chakraborty
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