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The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

As free online encyclopedias with massive volumes of content, Wikipedia and Wikidata are key to many Natural Language Processing (NLP) tasks, such as information retrieval, knowledge base building, machine translation, text classification,…

Conversations on social media (SM) are increasingly being used to investigate social issues on the web, such as online harassment and rumor spread. For such issues, a common thread of research uses adversarial reactions, e.g., replies…

Computation and Language · Computer Science 2021-03-15 Sumeet Kumar , Ramon Villa Cox , Matthew Babcock , Kathleen M. Carley

We present SemiOccam, an image recognition network that leverages semi-supervised learning in a highly efficient manner. Existing works often rely on complex training techniques and architectures, requiring hundreds of GPU hours for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Rui Yann , Tianshuo Zhang , Xianglei Xing

As the problem of drug abuse intensifies in the U.S., many studies that primarily utilize social media data, such as postings on Twitter, to study drug abuse-related activities use machine learning as a powerful tool for text classification…

Social and Information Networks · Computer Science 2019-04-04 Han Hu , NhatHai Phan , James Geller , Stephen Iezzi , Huy Vo , Dejing Dou , Soon Ae Chun

Recently, self-supervised representation learning gives further development in multimedia technology. Most existing self-supervised learning methods are applicable to packaged data. However, when it comes to streamed data, they are…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Zhiwei Lin , Yongtao Wang , Hongxiang Lin

During crisis events, people often use social media platforms such as Twitter to disseminate information about the situation, warnings, advice, and support. Emergency relief organizations leverage such information to acquire timely crisis…

Computation and Language · Computer Science 2023-10-24 Henry Peng Zou , Yue Zhou , Weizhi Zhang , Cornelia Caragea

Node classification in real world graphs often suffers from label scarcity and noise, especially in high stakes domains like human trafficking detection and misinformation monitoring. While direct supervision is limited, such graphs…

Machine Learning · Computer Science 2025-06-04 Pratheeksha Nair , Reihaneh Rabbany

This article aims to provide the information retrieval community with some reflections on recent advances in retrieval learning by analyzing the reproducibility of image-text retrieval models. Due to the increase of multimodal data over the…

Information Retrieval · Computer Science 2022-08-30 Jun Rao , Fei Wang , Liang Ding , Shuhan Qi , Yibing Zhan , Weifeng Liu , Dacheng Tao

Webly supervised learning becomes attractive recently for its efficiency in data expansion without expensive human labeling. However, adopting search queries or hashtags as web labels of images for training brings massive noise that…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Jingkang Yang , Weirong Chen , Litong Feng , Xiaopeng Yan , Huabin Zheng , Wayne Zhang

Query suggestion, a technique widely adopted in information retrieval, enhances system interactivity and the browsing experience of document collections. In cross-modal retrieval, many works have focused on retrieving relevant items from…

Information Retrieval · Computer Science 2024-12-19 Giacomo Pacini , Fabio Carrara , Nicola Messina , Nicola Tonellotto , Giuseppe Amato , Fabrizio Falchi

With the advancement in technology and the expansion of broadcasting, cross-media retrieval has gained much attention. It plays a significant role in big data applications and consists in searching and finding data from different types of…

Information Retrieval · Computer Science 2020-08-05 Sadaqat ur Rehman , Muhammad Waqas , Shanshan Tu , Anis Koubaa , Obaid ur Rehman , Jawad Ahmad , Muhammad Hanif , Zhu Han

This paper proposes a new evaluation protocol for cross-media retrieval which better fits the real-word applications. Both image-text and text-image retrieval modes are considered. Traditionally, class labels in the training and testing…

Computer Vision and Pattern Recognition · Computer Science 2017-03-13 Ruoyu Liu , Yao Zhao , Liang Zheng , Shikui Wei , Yi Yang

Numerous fake images spread on social media today and can severely jeopardize the credibility of online content to public. In this paper, we employ deep networks to learn distinct fake image related features. In contrast to authentic…

Multimedia · Computer Science 2016-11-17 Zhiwei Jin , Juan Cao , Jiebo Luo , Yongdong Zhang

Text-to-image retrieval is an essential task in cross-modal information retrieval, i.e., retrieving relevant images from a large and unlabelled dataset given textual queries. In this paper, we propose VisualSparta, a novel (Visual-text…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Xiaopeng Lu , Tiancheng Zhao , Kyusong Lee

Image descriptions can help visually impaired people to quickly understand the image content. While we made significant progress in automatically describing images and optical character recognition, current approaches are unable to include…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Oleksii Sidorov , Ronghang Hu , Marcus Rohrbach , Amanpreet Singh

Vision-language models (VLMs) excel in various visual benchmarks but are often constrained by the lack of high-quality visual fine-tuning data. To address this challenge, we introduce VisCon-100K, a novel dataset derived from interleaved…

Computation and Language · Computer Science 2025-02-25 Gokul Karthik Kumar , Iheb Chaabane , Kebin Wu

Supervised ASR models have reached unprecedented levels of accuracy, thanks in part to ever-increasing amounts of labelled training data. However, in many applications and locales, only moderate amounts of data are available, which has led…

Popular social media networks provide the perfect environment to study the opinions and attitudes expressed by users. While interactions in social media such as Twitter occur in many natural languages, research on stance detection (the…

Computation and Language · Computer Science 2021-01-29 Elena Zotova , Rodrigo Agerri , German Rigau

A semantic parser maps natural language commands (NLs) from the users to executable meaning representations (MRs), which are later executed in certain environment to obtain user-desired results. The fully-supervised training of such parser…

Computation and Language · Computer Science 2019-12-02 Ansong Ni , Pengcheng Yin , Graham Neubig