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We introduce OTTER, a unified open-set multi-label tagging framework that harmonizes the stability of a curated, predefined category set with the adaptability of user-driven open tags. OTTER is built upon a large-scale, hierarchically…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Jieer Ouyang , Xiaoneng Xiang , Zheng Wang , Yangkai Ding

Spelling irregularities, known now as spelling mistakes, have been found for several centuries. As humans, we are able to understand most of the misspelled words based on their location in the sentence, perceived pronunciation, and context.…

Computation and Language · Computer Science 2021-01-12 Yifei Hu , Xiaonan Jing , Youlim Ko , Julia Taylor Rayz

Contrary to popular belief, Optical Character Recognition (OCR) remains a challenging problem when text occurs in unconstrained environments, like natural scenes, due to geometrical distortions, complex backgrounds, and diverse fonts. In…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Marcin Namysl , Iuliu Konya

Pre-trained BERT models have achieved impressive accuracy on natural language processing (NLP) tasks. However, their excessive amount of parameters hinders them from efficient deployment on edge devices. Binarization of the BERT models can…

Computation and Language · Computer Science 2023-05-10 Jiayi Tian , Chao Fang , Haonan Wang , Zhongfeng Wang

We combine three methods which significantly improve the OCR accuracy of OCR models trained on early printed books: (1) The pretraining method utilizes the information stored in already existing models trained on a variety of typesets…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

We develop estimators that improve precision of heterogeneous treatment effect estimates that allow borrowing information from observational studies when the available covariates in each data source do not perfectly match. Standard…

Methodology · Statistics 2026-03-19 Samhita Pal , Jared D. Huling , Amir Asiaee

A resolution enhancement technique for optical coherence tomography (OCT), based on Generative Adversarial Networks (GANs), was developed and investigated. GANs have been previously used for resolution enhancement of photography and optical…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Kaicheng Liang , Xinyu Liu , Si Chen , Jun Xie , Wei Qing Lee , Linbo Liu , Hwee Kuan Lee

This paper presents a novel data-driven hierarchical approach to open set recognition (OSR) for robust perception in robotics and computer vision, utilizing constrained agglomerative clustering to automatically build a hierarchy of known…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Andrew Hannum , Max Conway , Mario Lopez , André Harrison

A crucial component for the scene text based reasoning required for TextVQA and TextCaps datasets involve detecting and recognizing text present in the images using an optical character recognition (OCR) system. The current systems are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Amanpreet Singh , Guan Pang , Mandy Toh , Jing Huang , Wojciech Galuba , Tal Hassner

In this chapter a general mathematical model of Optical Coherence Tomography (OCT) is presented on the basis of the electromagnetic theory. OCT produces high resolution images of the inner structure of biological tissues. Images are…

Numerical Analysis · Mathematics 2016-04-19 Peter Elbau , Leonidas Mindrinos , Otmar Scherzer

Face Recognition (FR) is increasingly used in critical verification decisions and thus, there is a need for assessing the trustworthiness of such decisions. The confidence of a decision is often based on the overall performance of the model…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Marco Huber , Philipp Terhörst , Florian Kirchbuchner , Naser Damer , Arjan Kuijper

Existing open-set recognition (OSR) studies typically assume that each image contains only one class label, with the unknown test set (negative) having a disjoint label space from the known test set (positive), a scenario referred to as…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Xu Yin , Fei Pan , Guoyuan An , Yuchi Huo , Zixuan Xie , Sung-Eui Yoon

This paper aims to evaluate mid-infrared (MIR) Optical Coherence Tomography (OCT) systems as a tool to penetrate different materials and detect sub-surface irregularities. This is useful for monitoring production processes, allowing…

In the realm of high-frequency data streams, achieving real-time learning within varying memory constraints is paramount. This paper presents Ferret, a comprehensive framework designed to enhance online accuracy of Online Continual Learning…

Machine Learning · Computer Science 2025-03-18 Yuhao Zhou , Yuxin Tian , Jindi Lv , Mingjia Shi , Yuanxi Li , Qing Ye , Shuhao Zhang , Jiancheng Lv

Fake news detection has become a major task to solve as there has been an increasing number of fake news on the internet in recent years. Although many classification models have been proposed based on statistical learning methods showing…

Computation and Language · Computer Science 2022-07-26 Daesoo Lee

The automotive industry is currently expanding digital display options with every new model that comes onto the market. This entails not just an expansion in dimensions, resolution, and customization choices, but also the capability to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Cornelius Bürkle , Fabian Oboril , Kay-Ulrich Scholl

Given the ubiquity of handwritten documents in human transactions, Optical Character Recognition (OCR) of documents have invaluable practical worth. Optical character recognition is a science that enables to translate various types of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Jamshed Memon , Maira Sami , Rizwan Ahmed Khan

We address the problem of detecting and mapping all books in a collection of images to entries in a given book catalogue. Instead of performing independent retrieval for each book detected, we treat the image-text mapping problem as a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Artemis Llabrés , Arka Ujjal Dey , Dimosthenis Karatzas , Ernest Valveny

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

Image classification models deployed in the real world may receive inputs outside the intended data distribution. For critical applications such as clinical decision making, it is important that a model can detect such out-of-distribution…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Christoph Berger , Magdalini Paschali , Ben Glocker , Konstantinos Kamnitsas
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