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Semantic image synthesis aims to generate photo realistic images given a semantic segmentation map. Despite much recent progress, training them still requires large datasets of images annotated with per-pixel label maps that are extremely…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Marlène Careil , Jakob Verbeek , Stéphane Lathuilière

Aspect-based sentiment analysis aims to identify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sentiment…

Computation and Language · Computer Science 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei

In this paper, we introduce a new framework called the sentiment-aspect attribution module (SAAM). SAAM works on top of traditional neural networks and is designed to address the problem of multi-aspect sentiment classification and…

Computation and Language · Computer Science 2020-12-16 Yifan Zhang , Fan Yang , Marjan Hosseinia , Arjun Mukherjee

Generalized text representations are the foundation of many natural language understanding tasks. To fully utilize the different corpus, it is inevitable that models need to understand the relevance among them. However, many methods ignore…

Computation and Language · Computer Science 2022-08-22 Zhaoye Fei , Yu Tian , Yongkang Wu , Xinyu Zhang , Yutao Zhu , Zheng Liu , Jiawen Wu , Dejiang Kong , Ruofei Lai , Zhao Cao , Zhicheng Dou , Xipeng Qiu

For many computer vision applications, such as image description and human identification, recognizing the visual attributes of humans is an essential yet challenging problem. Its challenges originate from its multi-label nature, the large…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

Generalized Category Discovery is a crucial real-world task. Despite the improved performance on known categories, current methods perform poorly on novel categories. We attribute the poor performance to two reasons: biased knowledge…

Computation and Language · Computer Science 2023-12-29 Wenbin An , Feng Tian , Wenkai Shi , Yan Chen , Yaqiang Wu , Qianying Wang , Ping Chen

Target-Based Sentiment Analysis aims to detect the opinion aspects (aspect extraction) and the sentiment polarities (sentiment detection) towards them. Both the previous pipeline and integrated methods fail to precisely model the innate…

Computation and Language · Computer Science 2020-04-15 Shu Liu , Wei Li , Yunfang Wu , Qi Su , Xu Sun

Semantic segmentation has been continuously investigated in the last ten years, and majority of the established technologies are based on supervised models. In recent years, image-level weakly supervised semantic segmentation (WSSS),…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Xiangrong Zhang , Zelin Peng , Peng Zhu , Tianyang Zhang , Chen Li , Huiyu Zhou , Licheng Jiao

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

Many high performance machine learning models for Aspect-Based Sentiment Classification (ABSC) produce black box models, and therefore barely explain how they classify a certain sentiment value towards an aspect. In this paper, we propose…

Computation and Language · Computer Science 2021-03-31 Lisa Meijer , Flavius Frasincar , Maria Mihaela Trusca

Multi-Label Few-Shot Aspect Category Detection (FS-ACD) is a new sub-task of aspect-based sentiment analysis, which aims to detect aspect categories accurately with limited training instances. Recently, dominant works use the prototypical…

Computation and Language · Computer Science 2022-10-11 Fei Zhao , Yuchen Shen , Zhen Wu , Xinyu Dai

Recent studies have shown remarkable success in image-to-image translation for attribute transfer applications. However, most of existing approaches are based on deep learning and require an abundant amount of labeled data to produce good…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Ricard Durall , Franz-Josef Pfreundt , Janis Keuper

We introduce a novel parameterized convolutional neural network for aspect level sentiment classification. Using parameterized filters and parameterized gates, we incorporate aspect information into convolutional neural networks (CNN).…

Computation and Language · Computer Science 2019-09-16 Binxuan Huang , Kathleen M. Carley

Most existing weakly supervised semantic segmentation (WSSS) methods rely on Class Activation Mapping (CAM) to extract coarse class-specific localization maps using image-level labels. Prior works have commonly used an off-line heuristic…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Lian Xu , Mohammed Bennamoun , Farid Boussaid , Wanli Ouyang , Ferdous Sohel , Dan Xu

Attention-based learning for fine-grained image recognition remains a challenging task, where most of the existing methods treat each object part in isolation, while neglecting the correlations among them. In addition, the multi-stage or…

Computer Vision and Pattern Recognition · Computer Science 2018-06-15 Ming Sun , Yuchen Yuan , Feng Zhou , Errui Ding

This paper proposes a novel attention model for semantic segmentation, which aggregates multi-scale and context features to refine prediction. Specifically, the skeleton convolutional neural network framework takes in multiple different…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Shiqi Yang , Gang Peng

Fine-grained recognition is challenging due to its subtle local inter-class differences versus large intra-class variations such as poses. A key to address this problem is to localize discriminative parts to extract pose-invariant features.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Xiao Liu , Tian Xia , Jiang Wang , Yi Yang , Feng Zhou , Yuanqing Lin

Large pretrained language models (LMs) like BERT have improved performance in many disparate natural language processing (NLP) tasks. However, fine tuning such models requires a large number of training examples for each target task.…

Computation and Language · Computer Science 2022-01-28 Jixuan Wang , Kuan-Chieh Wang , Frank Rudzicz , Michael Brudno

Aspect Sentiment Triplet Extraction (ASTE) is an emerging task to extract a given sentence's triplets, which consist of aspects, opinions, and sentiments. Recent studies tend to address this task with a table-filling paradigm, wherein word…

Computation and Language · Computer Science 2023-12-27 Kun Peng , Lei Jiang , Hao Peng , Rui Liu , Zhengtao Yu , Jiaqian Ren , Zhifeng Hao , Philip S. Yu

We consider the task of fine-grained sentiment analysis from the perspective of multiple instance learning (MIL). Our neural model is trained on document sentiment labels, and learns to predict the sentiment of text segments, i.e. sentences…

Computation and Language · Computer Science 2018-01-29 Stefanos Angelidis , Mirella Lapata