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Data augmentation plays a critical role in generating high-quality positive and negative pairs necessary for effective contrastive learning. However, common practices involve using a single augmentation policy repeatedly to generate…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Nazim Bendib

Image classification is one of the most fundamental tasks in Computer Vision. In practical applications, the datasets are usually not as abundant as those in the laboratory and simulation, which is always called as Data Hungry. How to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-08 Feiyang Han , Yun Miao , Zhaoyi Sun , Yimin Wei

Aspect-Based Sentiment Analysis (ABSA) studies the consumer opinion on the market products. It involves examining the type of sentiments as well as sentiment targets expressed in product reviews. Analyzing the language used in a review is a…

Computation and Language · Computer Science 2021-03-02 Akbar Karimi , Leonardo Rossi , Andrea Prati

Video quality assessment (VQA) has attracted growing attention in recent years. While the great expense of annotating large-scale VQA datasets has become the main obstacle for current deep-learning methods. To surmount the constraint of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Hongbo Liu , Mingda Wu , Kun Yuan , Ming Sun , Yansong Tang , Chuanchuan Zheng , Xing Wen , Xiu Li

Aspect category sentiment analysis (ACSA) has achieved remarkable progress with large language models (LLMs), yet existing approaches primarily emphasize sentiment polarity while overlooking the underlying emotional dimensions that shape…

Computation and Language · Computer Science 2025-11-25 Yaping Chai , Haoran Xie , Joe S. Qin

Aspect-level sentiment classification (ASC) aims to detect the sentiment polarity of a given opinion target in a sentence. In neural network-based methods for ASC, most works employ the attention mechanism to capture the corresponding…

Computation and Language · Computer Science 2020-10-26 Fei Zhao , Zhen Wu , Xinyu Dai

Quantization-Aware Training (QAT) is a critical technique for deploying deep neural networks on resource-constrained devices. However, existing methods often face two major challenges: the highly non-uniform distribution of activations and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Shaohang Jia , Zhiyong Huang , Zhi Yu , Mingyang Hou , Shuai Miao , Han Yang

Adverse weather conditions significantly degrade the performance of LiDAR point cloud semantic segmentation networks by introducing large distribution shifts. Existing augmentation-based methods attempt to enhance robustness by simulating…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Wangkai Li , Zhaoyang Li , Yuwen Pan , Rui Sun , Yujia Chen , Tianzhu Zhang

Data Augmentation (DA) -- enriching training data by adding synthetic samples -- is a technique widely adopted in Computer Vision (CV) and Natural Language Processing (NLP) tasks to improve models performance. Yet, DA has struggled to gain…

Machine Learning · Computer Science 2024-01-24 Chao Wang , Alessandro Finamore , Pietro Michiardi , Massimo Gallo , Dario Rossi

Aspect-based sentiment analysis (ABSA) aims at automatically inferring the specific sentiment polarities toward certain aspects of products or services behind the social media texts or reviews, which has been a fundamental application to…

Computation and Language · Computer Science 2023-05-22 Hao Fei , Tat-Seng Chua , Chenliang Li , Donghong Ji , Meishan Zhang , Yafeng Ren

Aspect-based sentiment analysis (ABSA) aims to associate a text with a set of aspects and infer their respective sentimental polarities. State-of-the-art approaches are built on fine-tuning pre-trained language models, focusing on learning…

Computation and Language · Computer Science 2024-08-26 Murtadha Ahmed , Bo Wen , Shengfeng Pan , Jianlin Su , Luo Ao , Yunfeng Liu

Data augmentation is essential when applying Machine Learning in small-data regimes. It generates new samples following the observed data distribution while increasing their diversity and variability to help researchers and practitioners…

Machine Learning · Computer Science 2023-04-10 Audrey Poinsot , Alessandro Leite

Multimodal Aspect-Based Sentiment Analysis (MABSA) seeks to extract fine-grained information from image-text pairs to identify aspect terms and determine their sentiment polarity. However, existing approaches often fall short in…

Computation and Language · Computer Science 2025-10-31 Hao Liu , Lijun He , Jiaxi Liang , Zhihan Ren , Haixia Bi , Fan Li

Multimodal Sentiment Analysis (MSA) integrates complementary features from text, video, and audio for robust emotion understanding in human interactions. However, models suffer from severe data scarcity and high annotation costs, severely…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Hongyu Zhu , Lin Chen , Xin Jin , Mingsheng Shang

Aspect level sentiment classification is a fine-grained sentiment analysis task. To detect the sentiment towards a particular aspect in a sentence, previous studies have developed various attention-based methods for generating…

Computation and Language · Computer Science 2019-08-22 Mengting Hu , Shiwan Zhao , Li Zhang , Keke Cai , Zhong Su , Renhong Cheng , Xiaowei Shen

Imbalanced datasets present a significant challenge for machine learning models, often leading to biased predictions. To address this issue, data augmentation techniques are widely used in natural language processing (NLP) to generate new…

Computation and Language · Computer Science 2023-04-21 Gabriel O. Assunção , Rafael Izbicki , Marcos O. Prates

Adaptive data analysis (ADA) involves a dynamic interaction between an analyst and a dataset owner, where the analyst submits queries sequentially, adapting them based on previous answers. This process can become adversarial, as the analyst…

Human-Computer Interaction · Computer Science 2025-01-22 Amir Hossein Hadavi , Mohammad M. Mojahedian , Mohammad Reza Aref

Aspect-based Sentiment Analysis (ABSA) is an important sentiment analysis task, which aims to determine the sentiment polarity towards an aspect in a sentence. Due to the expensive and limited labeled data, data generation (DG) has become…

Computation and Language · Computer Science 2024-10-01 Qihuang Zhong , Haiyun Li , Luyao Zhuang , Juhua Liu , Bo Du

Answering complex queries on incomplete knowledge graphs is a challenging task where a model needs to answer complex logical queries in the presence of missing knowledge. Prior work in the literature has proposed to address this problem by…

Machine Learning · Computer Science 2023-07-12 Erik Arakelyan , Pasquale Minervini , Daniel Daza , Michael Cochez , Isabelle Augenstein

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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