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Arbitrary-shaped text detection is an important and challenging task in computer vision. Most existing methods require heavy data labeling efforts to produce polygon-level text region labels for supervised training. In order to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Mengbiao Zhao , Wei Feng , Fei Yin , Xu-Yao Zhang , Cheng-Lin Liu

The effectiveness of Neural Information Retrieval (Neu-IR) often depends on a large scale of in-domain relevance training signals, which are not always available in real-world ranking scenarios. To democratize the benefits of Neu-IR, this…

Information Retrieval · Computer Science 2021-06-03 Si Sun , Yingzhuo Qian , Zhenghao Liu , Chenyan Xiong , Kaitao Zhang , Jie Bao , Zhiyuan Liu , Paul Bennett

As pointed out by several scholars, current research on hate speech (HS) recognition is characterized by unsystematic data creation strategies and diverging annotation schemata. Subsequently, supervised-learning models tend to generalize…

Computation and Language · Computer Science 2024-05-28 Yiping Jin , Leo Wanner , Vishakha Laxman Kadam , Alexander Shvets

Diagnostic and intervention methodologies for skill assessment of autism typically requires a clinician repetitively initiating several stimuli and recording the child's response. In this paper, we propose to automate the response…

Computer Vision and Pattern Recognition · Computer Science 2020-01-30 Prashant Pandey , Prathosh AP , Manu Kohli , Josh Pritchard

Weakly-supervised text classification aims to train a classifier using only class descriptions and unlabeled data. Recent research shows that keyword-driven methods can achieve state-of-the-art performance on various tasks. However, these…

Computation and Language · Computer Science 2022-12-16 Tingyu Xia , Yue Wang , Yuan Tian , Yi Chang

Cross-media retrieval is to return the results of various media types corresponding to the query of any media type. Existing researches generally focus on coarse-grained cross-media retrieval. When users submit an image of "Slaty-backed…

Information Retrieval · Computer Science 2019-11-01 Xiangteng He , Yuxin Peng , Liu Xie

People increasingly use social media to report emergencies, seek help or share information during disasters, which makes social networks an important tool for disaster management. To meet these time-critical needs, we present a weakly…

Computation and Language · Computer Science 2020-10-06 Wenlin Yao , Cheng Zhang , Shiva Saravanan , Ruihong Huang , Ali Mostafavi

Most previous few-shot learning algorithms are based on meta-training with fake few-shot tasks as training samples, where large labeled base classes are required. The trained model is also limited by the type of tasks. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Jianyi Li , Guizhong Liu

Multi-modal retrieval is an important problem for many applications, such as recommendation and search. Current benchmarks and even datasets are often manually constructed and consist of mostly clean samples where all modalities are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Laura Hanu , James Thewlis , Yuki M. Asano , Christian Rupprecht

Threshold concepts are key terms in domain-based knowledge acquisition. They are regarded as building blocks of the conceptual development of domain knowledge within particular learners. From a linguistic perspective, however, threshold…

Computation and Language · Computer Science 2020-08-06 Andy Lücking , Sebastian Brückner , Giuseppe Abrami , Tolga Uslu , Alexander Mehler

This paper explores the weakly-supervised referring image segmentation (WRIS) problem, and focuses on a challenging setup where target localization is learned directly from image-text pairs. We note that the input text description typically…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Zaiquan Yang , Yuhao Liu , Jiaying Lin , Gerhard Hancke , Rynson W. H. Lau

Most existing text reading benchmarks make it difficult to evaluate the performance of more advanced deep learning models in large vocabularies due to the limited amount of training data. To address this issue, we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2020-02-14 Yipeng Sun , Jiaming Liu , Wei Liu , Junyu Han , Errui Ding , Jingtuo Liu

Model pre-training is a cornerstone of modern visual recognition systems. Although fully supervised pre-training on datasets like ImageNet is still the de-facto standard, recent studies suggest that large-scale weakly supervised…

Few-shot image classification aims to classify unseen classes with limited labelled samples. Recent works benefit from the meta-learning process with episodic tasks and can fast adapt to class from training to testing. Due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Da Chen , Yuefeng Chen , Yuhong Li , Feng Mao , Yuan He , Hui Xue

Recent self-supervised approaches have used large-scale image-text datasets to learn powerful representations that transfer to many tasks without finetuning. These methods often assume that there is one-to-one correspondence between its…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Reuben Tan , Bryan A. Plummer , Kate Saenko , JP Lewis , Avneesh Sud , Thomas Leung

A large fraction of textual data available today contains various types of 'noise', such as OCR noise in digitized documents, noise due to informal writing style of users on microblogging sites, and so on. To enable tasks such as…

Information Retrieval · Computer Science 2021-01-12 Anurag Roy , Shalmoli Ghosh , Kripabandhu Ghosh , Saptarshi Ghosh

Text-to-video retrieval enables users to find relevant video content using natural language queries, a task that has grown increasingly important with the rapid expansion of online video. Over the past six years, research has produced…

Weakly supervised vision-and-language pre-training (WVLP), which learns cross-modal representations with limited cross-modal supervision, has been shown to effectively reduce the data cost of pre-training while maintaining decent…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Chi Chen , Peng Li , Maosong Sun , Yang Liu

We present a dataset and classifier for detecting the language of white supremacist extremism, a growing issue in online hate speech. Our weakly supervised classifier is trained on large datasets of text from explicitly white supremacist…

Computation and Language · Computer Science 2023-06-29 Michael Miller Yoder , Ahmad Diab , David West Brown , Kathleen M. Carley

With social media datasets being increasingly shared by researchers, it also presents the caveat that those datasets are not always completely replicable. Having to adhere to requirements of platforms like Twitter, researchers cannot…

Digital Libraries · Computer Science 2018-03-08 Arkaitz Zubiaga