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200 papers

Metaphors are ubiquitous in natural language, and their detection plays an essential role in many natural language processing tasks, such as language understanding, sentiment analysis, etc. Most existing approaches for metaphor detection…

Computation and Language · Computer Science 2020-09-29 Shashwat Aggarwal , Ramesh Singh

As a multimodal medium combining images and text, memes frequently convey implicit harmful content through metaphors and humor, rendering the detection of harmful memes a complex and challenging task. Although recent studies have made…

Computation and Language · Computer Science 2026-04-02 Hexiang Gu , Qifan Yu , Yuan Liu , Zikang Li , Saihui Hou , Jian Zhao , Zhaofeng He

The age of social media is flooded with Internet memes, necessitating a clear grasp and effective identification of harmful ones. This task presents a significant challenge due to the implicit meaning embedded in memes, which is not…

Computation and Language · Computer Science 2024-01-25 Hongzhan Lin , Ziyang Luo , Wei Gao , Jing Ma , Bo Wang , Ruichao Yang

Deep CNNs have achieved great success in text detection. Most of existing methods attempt to improve accuracy with sophisticated network design, while paying less attention on speed. In this paper, we propose a general framework for text…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Xiaoyu Yue , Zhanghui Kuang , Zhaoyang Zhang , Zhenfang Chen , Pan He , Yu Qiao , Wei Zhang

Sarcasm in social media, frequently conveyed through the interplay of text and images, presents significant challenges for sentiment analysis and intention mining. Existing multi-modal sarcasm detection approaches have been shown to…

Computation and Language · Computer Science 2025-11-14 Junjie Chen , Hang Yu , Subin Huang , Sanmin Liu , Linfeng Zhang

Rumors spread dramatically fast through online social media services, and people are exploring methods to detect rumors automatically. Existing methods typically learn semantic representations of all reposts to a rumor candidate for…

Social and Information Networks · Computer Science 2018-11-13 Changhe Song , Cunchao Tu , Cheng Yang , Zhiyuan Liu , Maosong Sun

The literature in automated sarcasm detection has mainly focused on lexical, syntactic and semantic-level analysis of text. However, a sarcastic sentence can be expressed with contextual presumptions, background and commonsense knowledge.…

Computation and Language · Computer Science 2018-05-17 Devamanyu Hazarika , Soujanya Poria , Sruthi Gorantla , Erik Cambria , Roger Zimmermann , Rada Mihalcea

This work builds upon the Euphemism Detection Shared Task proposed in the EMNLP 2022 FigLang Workshop, and extends it to few-shot and zero-shot settings. We demonstrate a few-shot and zero-shot formulation using the dataset from the shared…

Computation and Language · Computer Science 2022-10-25 Sedrick Scott Keh

Content moderation is the process of screening and monitoring user-generated content online. It plays a crucial role in stopping content resulting from unacceptable behaviors such as hate speech, harassment, violence against specific…

Computation and Language · Computer Science 2023-01-02 Álvaro Huertas-García , Alejandro Martín , Javier Huertas Tato , David Camacho

Scene text detection methods based on deep learning have achieved remarkable results over the past years. However, due to the high diversity and complexity of natural scenes, previous state-of-the-art text detection methods may still…

Computer Vision and Pattern Recognition · Computer Science 2018-11-22 Enze Xie , Yuhang Zang , Shuai Shao , Gang Yu , Cong Yao , Guangyao Li

Fake news travels at unprecedented speeds, reaches global audiences and puts users and communities at great risk via social media platforms. Deep learning based models show good performance when trained on large amounts of labeled data on…

Information Retrieval · Computer Science 2021-06-28 Yaqing Wang , Fenglong Ma , Haoyu Wang , Kishlay Jha , Jing Gao

Extremely low-light text images are common in natural scenes, making scene text detection and recognition challenging. One solution is to enhance these images using low-light image enhancement methods before text extraction. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Che-Tsung Lin , Chun Chet Ng , Zhi Qin Tan , Wan Jun Nah , Xinyu Wang , Jie Long Kew , Pohao Hsu , Shang Hong Lai , Chee Seng Chan , Christopher Zach

E-commerce platforms increasingly rely on Large Language Models (LLMs) and Vision Language Models (VLMs) to detect illicit or misleading product content. However, these models remain vulnerable to evasive content, which refers to inputs…

Computation and Language · Computer Science 2026-05-28 Ancheng Xu , Zhihao Yang , Jingpeng Li , Guanghu Yuan , Longze Chen , Liang Yan , Jiehui Zhou , Zhen Qin , Hengyu Chang , Yukun Chen , Hamid Alinejad-Rokny , Min Yang

Unsupervised Camouflaged Object Detection (UCOD) remains a challenging task due to the high intrinsic similarity between target objects and their surroundings, as well as the reliance on noisy pseudo-labels that hinder fine-grained texture…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Shuo Jiang , Gaojia Zhang , Min Tan , Yufei Yin , Gang Pan

Online memes are a powerful yet challenging medium for content moderation, often masking harmful intent behind humor, irony, or cultural symbolism. Conventional moderation systems "especially those relying on explicit text" frequently fail…

Information Retrieval · Computer Science 2025-10-20 Sayantan Adak , Somnath Banerjee , Rajarshi Mandal , Avik Halder , Sayan Layek , Rima Hazra , Animesh Mukherjee

Internet censorship is a phenomenon of societal importance and attracts investigation from multiple disciplines. Several research groups, such as Censored Planet, have deployed large scale Internet measurement platforms to collect network…

Machine Learning · Computer Science 2023-02-28 Shawn P. Duncan , Hui Chen

Current exposure correction methods have three challenges, labor-intensive paired data annotation, limited generalizability, and performance degradation in low-level computer vision tasks. In this work, we introduce an innovative…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Ruodai Cui , Li Niu , Guosheng Hu

Existing methods of hypernymy detection mainly rely on statistics over a big corpus, either mining some co-occurring patterns like "animals such as cats" or embedding words of interest into context-aware vectors. These approaches are…

Computation and Language · Computer Science 2018-06-13 Wenpeng Yin , Dan Roth

Detecting toxic language including sexism, harassment and abusive behaviour, remains a critical challenge, particularly in its subtle and context-dependent forms. Existing approaches largely focus on isolated message-level classification,…

Automated event detection from news corpora is a crucial task towards mining fast-evolving structured knowledge. As real-world events have different granularities, from the top-level themes to key events and then to event mentions…

Computation and Language · Computer Science 2022-07-05 Yunyi Zhang , Fang Guo , Jiaming Shen , Jiawei Han