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Recognition of ancient Tamil characters has always been a challenge for epigraphers. This is primarily because the language has evolved over the several centuries and the character set over this time has both expanded and diversified. This…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Lalitha Giridhar , Aishwarya Dharani and , Velmathi Guruviah

We are presenting a method to recognise geographical references in free text. Our tool must work on various languages with a minimum of language-dependent resources, except a gazetteer. The main difficulty is to disambiguate these place…

In this paper, we investigate the usage of fine-grained font recognition on OCR for books printed from the 15th to the 18th century. We used a newly created dataset for OCR of early printed books for which fonts are labeled with bounding…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Mathias Seuret , Janne van der Loop , Nikolaus Weichselbaumer , Martin Mayr , Janina Molnar , Tatjana Hass , Florian Kordon , Anguelos Nicolau , Vincent Christlein

Our daily life is surrounded by textual information. Nowadays, the automatic collection of textual information becomes possible owing to the drastic improvement of scene text detectors and recognizer. The purpose of this paper is to conduct…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Koki Takeshita , Juntaro Shioyama , Seiichi Uchida

Historic variations of spelling poses a challenge for full-text search or natural language processing on historical digitized texts. To minimize the gap between the historic orthography and contemporary spelling, usually an automatic…

Computation and Language · Computer Science 2025-02-26 Anton Ehrmanntraut

Textual information in a captured scene plays an important role in scene interpretation and decision making. Though there exist methods that can successfully detect and interpret complex text regions present in a scene, to the best of our…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Prasun Roy , Saumik Bhattacharya , Subhankar Ghosh , Umapada Pal

Recent advancements in prompt tuning have successfully adapted large-scale models like Contrastive Language-Image Pre-trained (CLIP) for downstream tasks such as scene text detection. Typically, text prompt complements the text encoder's…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Xingtao Lin , Heqian Qiu , Lanxiao Wang , Ruihang Wang , Linfeng Xu , Hongliang Li

The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

Conventional approaches to image-text retrieval mainly focus on indexing visual objects appearing in pictures but ignore the interactions between these objects. Such objects occurrences and interactions are equivalently useful and important…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Manh-Duy Nguyen , Binh T. Nguyen , Cathal Gurrin

Visual text recognition is undoubtedly one of the most extensively researched topics in computer vision. Great progress have been made to date, with the latest models starting to focus on the more practical "in-the-wild" setting. However, a…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Ayan Kumar Bhunia , Pinaki Nath Chowdhury , Aneeshan Sain , Yi-Zhe Song

Recent advances in segmentation-free keyword spotting treat this problem w.r.t. an object detection paradigm and borrow from state-of-the-art detection systems to simultaneously propose a word bounding box proposal mechanism and compute a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 George Retsinas , Giorgos Sfikas , Christophoros Nikou

Even today in Twenty First Century Handwritten communication has its own stand and most of the times, in daily life it is globally using as means of communication and recording the information like to be shared with others. Challenges in…

Artificial Intelligence · Computer Science 2012-05-18 Yusuf Perwej , Ashish Chaturvedi

The amount of digital video data is increasing over the world. It highlights the need for efficient algorithms that can index, retrieve and browse this data by content. This can be achieved by identifying semantic description captured…

Multimedia · Computer Science 2013-01-11 Bassem Bouaziz , Walid Mahdi , Tarek Zlitni , Abdelmajid ben Hamadou

Historical maps provide valuable information and knowledge about the past. However, as they often feature non-standard projections, hand-drawn styles, and artistic elements, it is challenging for non-experts to identify and interpret them.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ziyi Liu , Claudio Affolter , Sidi Wu , Yizi Chen , Lorenz Hurni

Text detection is frequently used in vision-based mobile robots when they need to interpret texts in their surroundings to perform a given task. For instance, delivery robots in multilingual cities need to be capable of doing multilingual…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Hsin-Ju Lin , Tsu-Chun Chung , Ching-Chun Hsiao , Pin-Yu Chen , Wei-Chen Chiu , Ching-Chun Huang

This paper focuses on the problem of script identification in scene text images. Facing this problem with state of the art CNN classifiers is not straightforward, as they fail to address a key characteristic of scene text instances: their…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Lluis Gomez , Anguelos Nicolaou , Dimosthenis Karatzas

Arbitrary-shaped text detection has recently attracted increasing interests and witnessed rapid development with the popularity of deep learning algorithms. Nevertheless, existing approaches often obtain inaccurate detection results, mainly…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Tao Sheng , Zhouhui Lian

Maps are fundamental medium to visualize and represent the real word in a simple and 16 philosophical way. The emergence of the 3rd wave information has made a proportion of maps are available to be generated ubiquitously, which would…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Xiran Zhou , Yi Wen , Honghao Li , Kaiyuan Li , Zhenfeng Shao , Zhigang Yan , Xiao Xie

Scene text images have different shapes and are subjected to various distortions, e.g. perspective distortions. To handle these challenges, the state-of-the-art methods rely on a rectification network, which is connected to the text…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Yew Lee Tan , Ernest Yu Kai Chew , Adams Wai-Kin Kong , Jung-Jae Kim , Joo Hwee Lim

The paper introduces a new method for discrimination of documents given in different scripts. The document is mapped into a uniformly coded text of numerical values. It is derived from the position of the letters in the text line, based on…

Computer Vision and Pattern Recognition · Computer Science 2016-09-22 Darko Brodic , Alessia Amelio , Zoran N. Milivojevic , Milena Jevtic