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In this paper, we present a method for enhancing the accuracy of scene text recognition tasks by judging whether the image and text match each other. While previous studies focused on generating the recognition results from input images,…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Masato Fujitake

A novel scene text recognizer based on Vision-Language Transformer (VLT) is presented. Inspired by Levenshtein Transformer in the area of NLP, the proposed method (named Levenshtein OCR, and LevOCR for short) explores an alternative way for…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Cheng Da , Peng Wang , Cong Yao

Deep learning based methods have achieved surprising progress in Scene Text Recognition (STR), one of classic problems in computer vision. In this paper, we propose a feasible framework for multi-lingual arbitrary-shaped STR, including…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Jinjin Zhang , Wei Wang , Di Huang , Qingjie Liu , Yunhong Wang

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…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

Pedestrian detection remains a critical problem in various domains, such as computer vision, surveillance, and autonomous driving. In particular, accurate and instant detection of pedestrians in low-light conditions and reduced visibility…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Bahareh Ghari , Ali Tourani , Asadollah Shahbahrami , Georgi Gaydadjiev

Single-shot low-light image enhancement (SLLIE) remains challenging due to the limited availability of diverse, real-world paired datasets. To bridge this gap, we introduce the Low-Light Smartphone Dataset (LSD), a large-scale,…

计算机视觉与模式识别 · 计算机科学 2026-01-01 S M A Sharif , Abdur Rehman , Zain Ul Abidin , Fayaz Ali Dharejo , Radu Timofte , Rizwan Ali Naqvi

Low-light image enhancement (LLIE) aims to improve the visibility of images captured in poorly lit environments. Prevalent event-based solutions primarily utilize events triggered by motion, i.e., ''motion events'' to strengthen only the…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Lei Sun , Yuhan Bao , Jiajun Zhai , Jingyun Liang , Yulun Zhang , Kaiwei Wang , Danda Pani Paudel , Luc Van Gool

In the field of scene text spotting, previous OCR methods primarily relied on image encoders and pre-trained text information, but they often overlooked the advantages of incorporating human language instructions. To address this gap, we…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Chen Duan , Qianyi Jiang , Pei Fu , Jiamin Chen , Shengxi Li , Zining Wang , Shan Guo , Junfeng Luo

Recently, scene text detection has become an active research topic in computer vision and document analysis, because of its great importance and significant challenge. However, vast majority of the existing methods detect text within local…

计算机视觉与模式识别 · 计算机科学 2016-07-06 Cong Yao , Xiang Bai , Nong Sang , Xinyu Zhou , Shuchang Zhou , Zhimin Cao

Most existing Low-light Image Enhancement (LLIE) methods either directly map Low-Light (LL) to Normal-Light (NL) images or use semantic or illumination maps as guides. However, the ill-posed nature of LLIE and the difficulty of semantic…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Han Zhou , Wei Dong , Xiaohong Liu , Shuaicheng Liu , Xiongkuo Min , Guangtao Zhai , Jun Chen

With the rapid development of OCR technology, mixed-scene text recognition has become a key technical challenge. Although deep learning models have achieved significant results in specific scenarios, their generality and stability still…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Da Chang , Yu Li

Low-light is an inescapable element of our daily surroundings that greatly affects the efficiency of our vision. Research works on low-light has seen a steady growth, particularly in the field of image enhancement, but there is still a lack…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Yuen Peng Loh , Chee Seng Chan

Low-light image enhancement (LLIE) is a pervasive yet challenging problem, since: 1) low-light measurements may vary due to different imaging conditions in practice; 2) images can be enlightened subjectively according to diverse preferences…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Rongkai Zhang , Lanqing Guo , Siyu Huang , Bihan Wen

Low-light scenes are prevalent in real-world applications (e.g. autonomous driving and surveillance at night). Recently, multi-object tracking in various practical use cases have received much attention, but multi-object tracking in dark…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Xinzhe Wang , Kang Ma , Qiankun Liu , Yunhao Zou , Ying Fu

Existing methods for enhancing dark images captured in a very low-light environment assume that the intensity level of the optimal output image is known and already included in the training set. However, this assumption often does not hold,…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Evgeny Hershkovitch Neiterman , Michael Klyuchka , Gil Ben-Artzi

Text Recognition is one of the challenging tasks of computer vision with considerable practical interest. Optical character recognition (OCR) enables different applications for automation. This project focuses on word detection and…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Ebin Zacharias , Martin Teuchler , Bénédicte Bernier

Pre-trained vision-language models~(VLMs) are the de-facto foundation models for various downstream tasks. However, scene text recognition methods still prefer backbones pre-trained on a single modality, namely, the visual modality, despite…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Shuai Zhao , Ruijie Quan , Linchao Zhu , Yi Yang

This paper describes the COCO-Text dataset. In recent years large-scale datasets like SUN and Imagenet drove the advancement of scene understanding and object recognition. The goal of COCO-Text is to advance state-of-the-art in text…

计算机视觉与模式识别 · 计算机科学 2016-06-21 Andreas Veit , Tomas Matera , Lukas Neumann , Jiri Matas , Serge Belongie

Multi-modal models have shown appealing performance in visual recognition tasks, as free-form text-guided training evokes the ability to understand fine-grained visual content. However, current models cannot be trivially applied to scene…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Yongkun Du , Zhineng Chen , Yuchen Su , Caiyan Jia , Yu-Gang Jiang

Low-light environments pose significant challenges for image enhancement methods. To address these challenges, in this work, we introduce the HUE dataset, a comprehensive collection of high-resolution event and frame sequences captured in…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Burak Ercan , Onur Eker , Aykut Erdem , Erkut Erdem