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We address a challenging fine-grain classification problem: recognizing a font style from an image of text. In this task, it is very easy to generate lots of rendered font examples but very hard to obtain real-world labeled images. This…

计算机视觉与模式识别 · 计算机科学 2015-04-02 Zhangyang Wang , Jianchao Yang , Hailin Jin , Eli Shechtman , Aseem Agarwala , Jonathan Brandt , Thomas S. Huang

State-of-the-art scene text detection techniques predict quadrilateral boxes that are prone to localization errors while dealing with straight or curved text lines of different orientations and lengths in scenes. This paper presents a novel…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Chuhui Xue , Shijian Lu , Wei Zhang

We introduce a new top-down pipeline for scene text detection. We propose a novel Cascaded Convolutional Text Network (CCTN) that joints two customized convolutional networks for coarse-to-fine text localization. The CCTN fast detects text…

计算机视觉与模式识别 · 计算机科学 2016-04-01 Tong He , Weilin Huang , Yu Qiao , Jian Yao

This paper presents Diffusion Model for Scene Text Recognition (DiffusionSTR), an end-to-end text recognition framework using diffusion models for recognizing text in the wild. While existing studies have viewed the scene text recognition…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Masato Fujitake

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…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Seonghyeon Kim , Seung Shin , Yoonsik Kim , Han-Cheol Cho , Taeho Kil , Jaeheung Surh , Seunghyun Park , Bado Lee , Youngmin Baek

Detecting incidental scene text is a challenging task because of multi-orientation, perspective distortion, and variation of text size, color and scale. Retrospective research has only focused on using rectangular bounding box or horizontal…

计算机视觉与模式识别 · 计算机科学 2017-03-07 Yuliang Liu , Lianwen Jin

Scene text recognition has been an important, active research topic in computer vision for years. Previous approaches mainly consider text as 1D signals and cast scene text recognition as a sequence prediction problem, by feat of CTC or…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Zhaoyi Wan , Fengming Xie , Yibo Liu , Xiang Bai , Cong Yao

The use of deep learning techniques has exploded during the last few years, resulting in a direct contribution to the field of artificial intelligence. This work aims to be a review of the state-of-the-art in scene recognition with deep…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Alina Matei , Andreea Glavan , Estefania Talavera

In this work we present a state-of-the-art approach for unconstrained natural scene text recognition. We propose a cascade approach that incorporates a convolutional neural network (CNN) architecture followed by a long short term memory…

计算机视觉与模式识别 · 计算机科学 2016-07-22 Ahmed Mamdouh A. Hassanien

Scene text recognition (STR) enables computers to recognize and read the text in various real-world scenes. Recent STR models benefit from taking linguistic information in addition to visual cues into consideration. We propose a novel…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Jie Wu , Ying Peng , Shengming Zhang , Weigang Qi , Jian Zhang

Finding and localizing the conceptual changes in two scenes in terms of the presence or removal of objects in two images belonging to the same scene at different times in special care applications is of great significance. This is mainly…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Ali Atghaei , Ehsan Rahnama , Kiavash Azimi , Hassan Shahbazi

Modern scene text recognition systems often depend on large end-to-end architectures that require extensive training and are prohibitively expensive for real-time scenarios. In such cases, the deployment of heavy models becomes impractical…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Ritabrata Chakraborty , Shivakumara Palaiahnakote , Umapada Pal , Cheng-Lin Liu

Contrary to popular belief, Optical Character Recognition (OCR) remains a challenging problem when text occurs in unconstrained environments, like natural scenes, due to geometrical distortions, complex backgrounds, and diverse fonts. In…

计算机视觉与模式识别 · 计算机科学 2019-06-06 Marcin Namysl , Iuliu Konya

Local feature extraction is a standard approach in computer vision for tackling important tasks such as image matching and retrieval. The core assumption of most methods is that images undergo affine transformations, disregarding more…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Guilherme Potje , Felipe Cadar , Andre Araujo , Renato Martins , Erickson R. Nascimento

We propose an end-to-end trainable network that can simultaneously detect and recognize text of arbitrary shape, making substantial progress on the open problem of reading scene text of irregular shape. We formulate arbitrary shape text…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Siyang Qin , Alessandro Bissacco , Michalis Raptis , Yasuhisa Fujii , Ying Xiao

Many scene text recognition approaches are based on purely visual information and ignore the semantic relation between scene and text. In this paper, we tackle this problem from natural language processing perspective to fill the gap…

计算机视觉与模式识别 · 计算机科学 2018-10-31 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

The superior performance of Deformable Convolutional Networks arises from its ability to adapt to the geometric variations of objects. Through an examination of its adaptive behavior, we observe that while the spatial support for its neural…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Xizhou Zhu , Han Hu , Stephen Lin , Jifeng Dai

Visual text recognition is undoubtedly one of the most extensively researched topics in computer vision. Great progress have been made to date, with the latest models starting to focus on the more practical "in-the-wild" setting. However, a…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Ayan Kumar Bhunia , Pinaki Nath Chowdhury , Aneeshan Sain , Yi-Zhe Song

Scene text detection remains a grand challenge due to the variation in text curvatures, orientations, and aspect ratios. One of the hardest problems in this task is how to represent text instances of arbitrary shapes. Although many methods…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Tao Sheng , Jie Chen , Zhouhui Lian

Scene Text Recognition (STR), the task of recognizing text against complex image backgrounds, is an active area of research. Current state-of-the-art (SOTA) methods still struggle to recognize text written in arbitrary shapes. In this…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Ron Litman , Oron Anschel , Shahar Tsiper , Roee Litman , Shai Mazor , R. Manmatha