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The existing Optical Character Recognition (OCR) systems are capable of recognizing images with horizontal texts. However, when the rotation of the texts increases, it becomes harder to recognizing these texts. The performance of the OCR…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Michael Yang , Yuan Lin , ChiuMan Ho

Text-to-image diffusion models are typically trained to optimize the log-likelihood objective, which presents challenges in meeting specific requirements for downstream tasks, such as image aesthetics and image-text alignment. Recent…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Chaofeng Chen , Annan Wang , Haoning Wu , Liang Liao , Wenxiu Sun , Qiong Yan , Weisi Lin

We present a reinforcement learning approach for detecting objects within an image. Our approach performs a step-wise deformation of a bounding box with the goal of tightly framing the object. It uses a hierarchical tree-like representation…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Jonas Koenig , Simon Malberg , Martin Martens , Sebastian Niehaus , Artus Krohn-Grimberghe , Arunselvan Ramaswamy

Existing scene text spotting (i.e., end-to-end text detection and recognition) methods rely on costly bounding box annotations (e.g., text-line, word-level, or character-level bounding boxes). For the first time, we demonstrate that…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Dezhi Peng , Xinyu Wang , Yuliang Liu , Jiaxin Zhang , Mingxin Huang , Songxuan Lai , Shenggao Zhu , Jing Li , Dahua Lin , Chunhua Shen , Xiang Bai , Lianwen Jin

Text detection enables us to extract rich information from images. In this paper, we focus on how to generate bounding boxes that are appropriate to grasp text areas on books to help implement automatic text detection. We attempt not to…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Riku Anegawa , Masayoshi Aritsugi

This paper presents a scene text detection technique that exploits bootstrapping and text border semantics for accurate localization of texts in scenes. A novel bootstrapping technique is designed which samples multiple 'subsections' of a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Chuhui Xue , Shijian Lu , Fangneng Zhan

Scene text in the wild is commonly presented with high variant characteristics. Using quadrilateral bounding box to localize the text instance is nearly indispensable for detection methods. However, recent researches reveal that introducing…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Yuliang Liu , Sheng Zhang , Lianwen Jin , Lele Xie , Yaqiang Wu , Zhepeng Wang

Recently, end-to-end text spotting that aims to detect and recognize text from cluttered images simultaneously has received particularly growing interest in computer vision. Different from the existing approaches that formulate text…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Hao Wang , Pu Lu , Hui Zhang , Mingkun Yang , Xiang Bai , Yongchao Xu , Mengchao He , Yongpan Wang , Wenyu Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Chen Duan , Qianyi Jiang , Pei Fu , Jiamin Chen , Shengxi Li , Zining Wang , Shan Guo , Junfeng Luo

Handwritten text and scene text suffer from various shapes and distorted patterns. Thus training a robust recognition model requires a large amount of data to cover diversity as much as possible. In contrast to data collection and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Canjie Luo , Yuanzhi Zhu , Lianwen Jin , Yongpan Wang

Text detection and recognition in natural images have long been considered as two separate tasks that are processed sequentially. Training of two tasks in a unified framework is non-trivial due to significant dif- ferences in optimisation…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Tong He , Zhi Tian , Weilin Huang , Chunhua Shen , Yu Qiao , Changming Sun

Many approaches have recently been proposed to detect irregular scene text and achieved promising results. However, their localization results may not well satisfy the following text recognition part mainly because of two reasons: 1)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Liang Qiao , Sanli Tang , Zhanzhan Cheng , Yunlu Xu , Yi Niu , Shiliang Pu , Fei Wu

Multi-orientation scene text detection has recently gained significant research attention. Previous methods directly predict words or text lines, typically by using quadrilateral shapes. However, many of these methods neglect the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Yuliang Liu , Tong He , Hao Chen , Xinyu Wang , Canjie Luo , Shuaitao Zhang , Chunhua Shen , Lianwen Jin

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,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Masato Fujitake

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

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

The objective of augmented reality (AR) is to add digital content to natural images and videos to create an interactive experience between the user and the environment. Scene analysis and object recognition play a crucial role in AR, as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Vladislav Li , Barbara Villarini , Jean-Christophe Nebel , Thomas Lagkas , Panagiotis Sarigiannidis , Vasileios Argyriou

Scene text detection attracts much attention in computer vision, because it can be widely used in many applications such as real-time text translation, automatic information entry, blind person assistance, robot sensing and so on. Though…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Xiaobing Wang , Yingying Jiang , Zhenbo Luo , Cheng-Lin Liu , Hyunsoo Choi , Sungjin Kim

The attention-based encoder-decoder framework has recently achieved impressive results for scene text recognition, and many variants have emerged with improvements in recognition quality. However, it performs poorly on contextless texts…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Xiaoyu Yue , Zhanghui Kuang , Chenhao Lin , Hongbin Sun , Wayne Zhang

In this paper, we propose a general approach to optimize anchor boxes for object detection. Nowadays, anchor boxes are widely adopted in state-of-the-art detection frameworks. However, these frameworks usually pre-define anchor box shapes…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Yuanyi Zhong , Jianfeng Wang , Jian Peng , Lei Zhang
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