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Related papers: EventSTR: A Benchmark Dataset and Baselines for Ev…

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Event cameras are bio-inspired sensors providing significant advantages over standard cameras such as low latency, high temporal resolution, and high dynamic range. We propose a novel structured-light system using an event camera to tackle…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Manasi Muglikar , Guillermo Gallego , Davide Scaramuzza

Event cameras are bio-inspired sensors that capture the per-pixel intensity changes asynchronously and produce event streams encoding the time, pixel position, and polarity (sign) of the intensity changes. Event cameras possess a myriad of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Xu Zheng , Yexin Liu , Yunfan Lu , Tongyan Hua , Tianbo Pan , Weiming Zhang , Dacheng Tao , Lin Wang

Scene text detection is an important step of scene text recognition system and also a challenging problem. Different from general object detection, the main challenges of scene text detection lie on arbitrary orientations, small sizes, and…

Computer Vision and Pattern Recognition · Computer Science 2018-04-30 Minghui Liao , Baoguang Shi , Xiang Bai

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

Recently, video scene text detection has received increasing attention due to its comprehensive applications. However, the lack of annotated scene text video datasets has become one of the most important problems, which hinders the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Jiajun Zhu , Xiufeng Jiang , Zhiwei Jia , Shugong Xu , Shan Cao

Event cameras record visual information as asynchronous pixel change streams, excelling at scene perception under unsatisfactory lighting or high-dynamic conditions. Existing multimodal large language models (MLLMs) concentrate on natural…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Shaoyu Liu , Jianing Li , Guanghui Zhao , Yunjian Zhang , Xin Meng , Fei Richard Yu , Xiangyang Ji , Ming Li

Event cameras sense intensity changes and have many advantages over conventional cameras. To take advantage of event cameras, some methods have been proposed to reconstruct intensity images from event streams. However, the outputs are still…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Lin Wang , Tae-Kyun Kim , Kuk-Jin Yoon

The rapid development of the autonomous driving industry has led to a significant accumulation of autonomous driving data. Consequently, there comes a growing demand for retrieving data to provide specialized optimization. However, directly…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Tao Tang , Dafeng Wei , Zhengyu Jia , Tian Gao , Changwei Cai , Chengkai Hou , Peng Jia , Kun Zhan , Haiyang Sun , Jingchen Fan , Yixing Zhao , Fu Liu , Xiaodan Liang , Xianpeng Lang , Yang Wang

Event cameras are neuromorphic sensors that capture asynchronous and sparse event stream when per-pixel brightness changes. The state-of-the-art processing methods for event signals typically aggregate events into a frame or a grid.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Beibei Yang , Weiling Li , Yan Fang

Recently, transformer-based methods have achieved promising progresses in object detection, as they can eliminate the post-processes like NMS and enrich the deep representations. However, these methods cannot well cope with scene text due…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Jingqun Tang , Wenqing Zhang , Hongye Liu , MingKun Yang , Bo Jiang , Guanglong Hu , Xiang Bai

Recognizing scene text is a challenging problem, even more so than the recognition of scanned documents. This problem has gained significant attention from the computer vision community in recent years, and several methods based on energy…

Computer Vision and Pattern Recognition · Computer Science 2016-03-24 Anand Mishra , Karteek Alahari , C. V. Jawahar

Scene-text recognition is remarkably better in Latin languages than the non-Latin languages due to several factors like multiple fonts, simplistic vocabulary statistics, updated data generation tools, and writing systems. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Sanjana Gunna , Rohit Saluja , C. V. Jawahar

Segmentation-based methods are widely used for scene text detection due to their superiority in describing arbitrary-shaped text instances. However, two major problems still exist: 1) current label generation techniques are mostly empirical…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Chenwei Cui , Liangfu Lu , Zhiyuan Tan , Amir Hussain

Robustness certification, which aims to formally certify the predictions of neural networks against adversarial inputs, has become an integral part of important tool for safety-critical applications. Despite considerable progress, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Daqian Shao , Lukas Fesser , Marta Kwiatkowska

We study the problem of estimating optical flow from event cameras. One important issue is how to build a high-quality event-flow dataset with accurate event values and flow labels. Previous datasets are created by either capturing real…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Xinglong Luo , Kunming Luo , Ao Luo , Zhengning Wang , Ping Tan , Shuaicheng Liu

Recently, semantic segmentation and general object detection frameworks have been widely adopted by scene text detecting tasks. However, both of them alone have obvious shortcomings in practice. In this paper, we propose a novel end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Yuan Li , Yuanjie Yu , Zefeng Li , Yangkun Lin , Meifang Xu , Jiwei Li , Xi Zhou

Recently, the semantics of scene text has been proven to be essential in fine-grained image classification. However, the existing methods mainly exploit the literal meaning of scene text for fine-grained recognition, which might be…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Hao Wang , Junchao Liao , Tianheng Cheng , Zewen Gao , Hao Liu , Bo Ren , Xiang Bai , Wenyu Liu

Due to the enormous technical challenges and wide range of applications, scene text recognition (STR) has been an active research topic in computer vision for years. To tackle this tough problem, numerous innovative methods have been…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Cheng Da , Peng Wang , Cong Yao

Scene text detection based on deep neural networks have progressed substantially over the past years. However, previous state-of-the-art methods may still fall short when dealing with challenging public benchmarks because the performances…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Sihwan Kim , Taejang Park

The diversity in length constitutes a significant characteristic of text. Due to the long-tail distribution of text lengths, most existing methods for scene text recognition (STR) only work well on short or seen-length text, lacking the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Changxu Cheng , Peng Wang , Cheng Da , Qi Zheng , Cong Yao