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We present OCR-Quality, a comprehensive human-annotated dataset designed for evaluating and developing OCR quality assessment methods. The dataset consists of 1,000 PDF pages converted to PNG images at 300 DPI, sampled from diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yulong Zhang

This paper presents final results of the Out-Of-Vocabulary 2022 (OOV) challenge. The OOV contest introduces an important aspect that is not commonly studied by Optical Character Recognition (OCR) models, namely, the recognition of unseen…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Sergi Garcia-Bordils , Andrés Mafla , Ali Furkan Biten , Oren Nuriel , Aviad Aberdam , Shai Mazor , Ron Litman , Dimosthenis Karatzas

Digital camera and mobile document image acquisition are new trends arising in the world of Optical Character Recognition and text detection. In some cases, such process integrates many distortions and produces poorly scanned text or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Abdeslam El Harraj , Naoufal Raissouni

The DEtection TRansformer (DETR) algorithm has received considerable attention in the research community and is gradually emerging as a mainstream approach for object detection and other perception tasks. However, the current field lacks a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-14 Tianhe Ren , Shilong Liu , Feng Li , Hao Zhang , Ailing Zeng , Jie Yang , Xingyu Liao , Ding Jia , Hongyang Li , He Cao , Jianan Wang , Zhaoyang Zeng , Xianbiao Qi , Yuhui Yuan , Jianwei Yang , Lei Zhang

This research addresses a critical challenge in the field of generative models, particularly in the generation and evaluation of synthetic images. Given the inherent complexity of generative models and the absence of a standardized…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Majid Memari , Khaled R. Ahmed , Shahram Rahimi , Noorbakhsh Amiri Golilarz

The development and evaluation of machine vision in underwater environments remains challenging, often relying on trial-and-error-based testing tailored to specific applications. This is partly due to the lack of controlled, ground-truthed…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Patricia Schöntag , David Nakath , Judith Fischer , Rüdiger Röttgers , Kevin Köser

In an era where wearable technology is reshaping applications, Scene Text Detection and Recognition (STDR) becomes a straightforward choice through the lens of egocentric vision. Leveraging Meta's Project Aria smart glasses, this paper…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Joseph De Mathia , Carlos Francisco Moreno-García

Recent advancements in diffusion-based text synthesis have demonstrated significant performance in inserting and editing text within images via inpainting. However, despite the potential of text inpainting methods, three key limitations…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Agus Gunawan , Samuel Teodoro , Yun Chen , Soo Ye Kim , Jihyong Oh , Munchurl Kim

Text-to-Face (TTF) synthesis is a challenging task with great potential for diverse computer vision applications. Compared to Text-to-Image (TTI) synthesis tasks, the textual description of faces can be much more complicated and detailed…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Tianren Wang , Teng Zhang , Brian Lovell

Replacing the background and simultaneously adjusting foreground objects is a challenging task in image editing. Current techniques for generating such images relies heavily on user interactions with image editing softwares, which is a…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Yunxuan Xiao , Yikai Li , Yuwei Wu , Lizhen Zhu

We propose a post-OCR text correction approach for digitising texts in Romanised Sanskrit. Owing to the lack of resources our approach uses OCR models trained for other languages written in Roman. Currently, there exists no dataset…

Computation and Language · Computer Science 2018-09-10 Amrith Krishna , Bodhisattwa Prasad Majumder , Rajesh Shreedhar Bhat , Pawan Goyal

Image retargeting aims at altering an image size while preserving important content and minimizing noticeable distortions. However, previous image retargeting methods create outputs that suffer from artifacts and distortions. Besides, most…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Mohammad Reza Naderi , Mohammad Hossein Givkashi , Nader Karimi , Shahram Shirani , Shadrokh Samavi

Text image super-resolution is a challenging yet open research problem in the computer vision community. In particular, low-resolution images hamper the performance of typical optical character recognition (OCR) systems. In this article, we…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Chao Dong , Ximei Zhu , Yubin Deng , Chen Change Loy , Yu Qiao

A critical aspect of human visual perception is the ability to parse visual scenes into individual objects and further into object parts, forming part-whole hierarchies. Such composite structures could induce a rich set of semantic concepts…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Yining Hong , Li Yi , Joshua B. Tenenbaum , Antonio Torralba , Chuang Gan

Scene text recognition (STR) pre-training methods have achieved remarkable progress, primarily relying on synthetic datasets. However, the domain gap between synthetic and real images poses a challenge in acquiring feature representations…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Shuai Zhao , Yongkun Du , Zhineng Chen , Yu-Gang Jiang

Modern visual object trackers show impressive results on general targets, yet their performance drops substantially when dealing with scene text. Although currently underexplored, tracking text in videos is essential for dynamic text…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Chenmin Yu , Liu Yu , Daiqing Wu , Gengluo Li , Zeyu Chen , Yu Zhou

Scene text detection and document layout analysis have long been treated as two separate tasks in different image domains. In this paper, we bring them together and introduce the task of unified scene text detection and layout analysis. The…

Computer Vision and Pattern Recognition · Computer Science 2022-06-06 Shangbang Long , Siyang Qin , Dmitry Panteleev , Alessandro Bissacco , Yasuhisa Fujii , Michalis Raptis

Document digitization is essential for the digital transformation of our societies, yet a crucial step in the process, Optical Character Recognition (OCR), is still not perfect. Even commercial OCR systems can produce questionable output…

The evaluation of drag based image editing models is unreliable due to a lack of standardized benchmarks and metrics. This ambiguity stems from inconsistent evaluation protocols and, critically, the absence of datasets containing ground…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Ahmad Zafarani , Zahra Dehghanian , Mohammadreza Davoodi , Mohsen Shadroo , MohammadAmin Fazli , Hamid R. Rabiee

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