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Understanding the meaning of text in images of natural scenes like highway signs or store front emblems is particularly challenging if the text is foreshortened in the image or the letters are artistically distorted. We introduce a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Qitong Wang , Yi Zheng , Margrit Betke

Curve text or arbitrary shape text is very common in real-world scenarios. In this paper, we propose a novel framework with the local segmentation network (LSN) followed by the curve connection to detect text in horizontal, oriented and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Zhao Zhou , Hao Ye , Luhui Chen , Yingbin Zheng

Printed text recognition is an important problem for industrial OCR systems. Printed text is constructed in a standard procedural fashion in most settings. We develop a mathematical model for this process that can be applied to the backward…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Wei Tang , John Corring , Ying Wu , Gang Hua

Recent end-to-end trainable methods for scene text spotting, integrating detection and recognition, showed much progress. However, most of the current arbitrary-shape scene text spotters use region proposal networks (RPN) to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Minghui Liao , Guan Pang , Jing Huang , Tal Hassner , Xiang Bai

We propose Hierarchical Text Spotter (HTS), a novel method for the joint task of word-level text spotting and geometric layout analysis. HTS can recognize text in an image and identify its 4-level hierarchical structure: characters, words,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Shangbang Long , Siyang Qin , Yasuhisa Fujii , Alessandro Bissacco , Michalis Raptis

Text detection, the key technology for understanding scene text, has become an attractive research topic. For detecting various scene texts, researchers propose plenty of detectors with different advantages: detection-based models enjoy…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

End-to-end text spotting aims to jointly optimize text detection and recognition within a unified framework. Despite significant progress, designing an accurate and efficient end-to-end text spotter for arbitrary-shaped text remains…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Yuchen Su , Zhineng Chen , Yongkun Du , Zuxuan Wu , Hongtao Xie , Yu-Gang Jiang

Scene text recognition (STR) is the task of recognizing character sequences in natural scenes. While there have been great advances in STR methods, current methods still fail to recognize texts in arbitrary shapes, such as heavily curved or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Junyeop Lee , Sungrae Park , Jeonghun Baek , Seong Joon Oh , Seonghyeon Kim , Hwalsuk Lee

Object detection and recognition are important problems in computer vision. Since these problems are meta-heuristic, despite a lot of research, practically usable, intelligent, real-time, and dynamic object detection/recognition methods are…

Computer Vision and Pattern Recognition · Computer Science 2013-02-22 Dilip K. Prasad

Large geometry (e.g., orientation) variances are the key challenges in the scene text detection. In this work, we first conduct experiments to investigate the capacity of networks for learning geometry variances on detecting scene texts,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Youjiang Xu , Jiaqi Duan , Zhanghui Kuang , Xiaoyu Yue , Hongbin Sun , Yue Guan , Wayne Zhang

Video text spotting is still an important research topic due to its various real-applications. Previous approaches usually fall into the four-staged pipeline: text detection in individual images, framewisely recognizing localized text…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhanzhan Cheng , Jing Lu , Yi Niu , Shiliang Pu , Fei Wu , Shuigeng Zhou

Recognizing text in natural images is a challenging task with many unsolved problems. Different from those in documents, words in natural images often possess irregular shapes, which are caused by perspective distortion, curved character…

Computer Vision and Pattern Recognition · Computer Science 2016-04-20 Baoguang Shi , Xinggang Wang , Pengyuan Lyu , Cong Yao , Xiang Bai

Recognizing texts from camera images is a known hard problem because of the difficulties in text detection from the varied and complicated background. In this paper we propose a novel and efficient method to detect text region from images…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Basavaraj Kaladagi , Jagadeesh Pujari

Unconstrained text recognition is an important computer vision task, featuring a wide variety of different sub-tasks, each with its own set of challenges. One of the biggest promises of deep neural networks has been the convergence and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Mohamed Yousef , Khaled F. Hussain , Usama S. Mohammed

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

Recent end-to-end scene text spotters have achieved great improvement in recognizing arbitrary-shaped text instances. Common approaches for text spotting use region of interest pooling or segmentation masks to restrict features to single…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Seonghyeon Kim , Seung Shin , Yoonsik Kim , Han-Cheol Cho , Taeho Kil , Jaeheung Surh , Seunghyun Park , Bado Lee , Youngmin Baek

Detecting vehicles in aerial images is difficult due to complex backgrounds, small object sizes, shadows, and occlusions. Although recent deep learning advancements have improved object detection, these models remain susceptible to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Mikael Yeghiazaryan , Sai Abhishek Siddhartha Namburu , Emily Kim , Stanislav Panev , Celso de Melo , Fernando De la Torre , Jessica K. Hodgins

Scene-text spotting is a task that predicts a text area on natural scene images and recognizes its text characters simultaneously. It has attracted much attention in recent years due to its wide applications. Existing research has mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Masato Fujitake

We present Text2Room, a method for generating room-scale textured 3D meshes from a given text prompt as input. To this end, we leverage pre-trained 2D text-to-image models to synthesize a sequence of images from different poses. In order to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Lukas Höllein , Ang Cao , Andrew Owens , Justin Johnson , Matthias Nießner

We present a hierarchical method for segmenting text areas in natural images. The method assumes that the text is written with a contrasting color on a more or less uniform background. But no assumption is made regarding the language or…

Computer Vision and Pattern Recognition · Computer Science 2008-02-01 Syed Ali Raza Jafri , Mireille Boutin , Edward J. Delp