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Segmentation-based scene text detection methods have been widely adopted for arbitrary-shaped text detection recently, since they make accurate pixel-level predictions on curved text instances and can facilitate real-time inference without…

计算机视觉与模式识别 · 计算机科学 2021-05-28 Jiachen Li , Yuan Lin , Rongrong Liu , Chiu Man Ho , Humphrey Shi

Scene text detection has witnessed rapid progress especially with the recent development of convolutional neural networks. However, there still exists two challenges which prevent the algorithm into industry applications. On the one hand,…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Wenhai Wang , Enze Xie , Xiang Li , Wenbo Hou , Tong Lu , Gang Yu , Shuai Shao

Models based on attention mechanisms have shown unprecedented speech recognition performance. However, they are computationally expensive and unnecessarily complex for keyword spotting, a task targeted to small-footprint devices. This work…

音频与语音处理 · 电气工程与系统科学 2021-07-02 Biel Tura , Santiago Escuder , Ferran Diego , Carlos Segura , Jordi Luque

In this paper we propose an approach to lexicon-free recognition of text in scene images. Our approach relies on a LSTM-based soft visual attention model learned from convolutional features. A set of feature vectors are derived from an…

计算机视觉与模式识别 · 计算机科学 2017-06-07 Suman K. Ghosh , Ernest Valveny , Andrew D. Bagdanov

We propose a novel semantic segmentation algorithm by learning a deconvolution network. We learn the network on top of the convolutional layers adopted from VGG 16-layer net. The deconvolution network is composed of deconvolution and…

计算机视觉与模式识别 · 计算机科学 2015-05-19 Hyeonwoo Noh , Seunghoon Hong , Bohyung Han

Recent advances in segmentation-free keyword spotting treat this problem w.r.t. an object detection paradigm and borrow from state-of-the-art detection systems to simultaneously propose a word bounding box proposal mechanism and compute a…

计算机视觉与模式识别 · 计算机科学 2023-08-08 George Retsinas , Giorgos Sfikas , Christophoros Nikou

Word segmentation is the task of inserting or deleting word boundary characters in order to separate character sequences that correspond to words in some language. In this article we propose an approach based on a beam search algorithm and…

计算与语言 · 计算机科学 2018-12-04 Yerai Doval , Carlos Gómez-Rodríguez

To achieve high coverage of target boxes, a normal strategy of conventional one-stage anchor-based detectors is to utilize multiple priors at each spatial position, especially in scene text detection tasks. In this work, we present a simple…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Linjie Deng , Yanxiang Gong , Xinchen Lu , Yi Lin , Zheng Ma , Mei Xie

Recently, segmentation-based methods are quite popular in scene text detection, which mainly contain two steps: text kernel segmentation and expansion. However, the segmentation process only considers each pixel independently, and the…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Xi Zhao , Wei Feng , Zheng Zhang , Jingjing Lv , Xin Zhu , Zhangang Lin , Jinghe Hu , Jingping Shao

An unconstrained end-to-end text localization and recognition method is presented. The method detects initial text hypothesis in a single pass by an efficient region-based method and subsequently refines the text hypothesis using a more…

计算机视觉与模式识别 · 计算机科学 2015-04-15 Lukáš Neumann , Jiří Matas

Motivated by the success of powerful while expensive techniques to recognize words in a holistic way, object proposals techniques emerge as an alternative to the traditional text detectors. In this paper we introduce a novel object…

计算机视觉与模式识别 · 计算机科学 2017-02-02 Lluis Gomez-Bigorda , Dimosthenis Karatzas

The Handwritten Text Recognition problem has been a challenge for researchers for the last few decades, especially in the domain of computer vision, a subdomain of pattern recognition. Variability of texts amongst writers, cursiveness, and…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Lalita Kumari , Sukhdeep Singh , Vaibhav Varish Singh Rathore , Anuj Sharma

In recent years, vision transformers with text decoder have demonstrated remarkable performance on Scene Text Recognition (STR) due to their ability to capture long-range dependencies and contextual relationships with high learning…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Savas Ozkan , Andrea Maracani , Hyowon Kim , Sijun Cho , Eunchung Noh , Jeongwon Min , Jung Min Cho , Mete Ozay

Recently, scene text detection has been a challenging task. Texts with arbitrary shape or large aspect ratio are usually hard to detect. Previous segmentation-based methods can describe curve text more accurately but suffer from over…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Qi Zhao , Yufei Wang , Shuchang Lyu , Lijiang Chen

Texts from scene images typically consist of several characters and exhibit a characteristic sequence structure. Existing methods capture the structure with the sequence-to-sequence models by an encoder to have the visual representations…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Xiangcheng Du , Tianlong Ma , Yingbin Zheng , Hao Ye , Xingjiao Wu , Liang He

Convolutional neural networks with many layers have recently been shown to achieve excellent results on many high-level tasks such as image classification, object detection and more recently also semantic segmentation. Particularly for…

计算机视觉与模式识别 · 计算机科学 2015-03-10 Alexander G. Schwing , Raquel Urtasun

We propose a direct-to-word sequence model which uses a word network to learn word embeddings from letters. The word network can be integrated seamlessly with arbitrary sequence models including Connectionist Temporal Classification and…

计算与语言 · 计算机科学 2020-07-16 Ronan Collobert , Awni Hannun , Gabriel Synnaeve

Convolutional neural network (CNN) is a neural network that can make use of the internal structure of data such as the 2D structure of image data. This paper studies CNN on text categorization to exploit the 1D structure (namely, word…

计算与语言 · 计算机科学 2015-03-27 Rie Johnson , Tong Zhang

When a reader encounters a word in English, they split the word into smaller orthographic units in the process of recognizing its meaning. For example, "rough", when split according to phonemes, is decomposed as r-ou-gh (not as r-o-ugh or…

人机交互 · 计算机科学 2025-08-26 Matthew Termuende , Kevin Larson , Miguel Nacenta

Recently, a series of decomposition-based scene text detection methods has achieved impressive progress by decomposing challenging text regions into pieces and linking them in a bottom-up manner. However, most of them merely focus on…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Hao Liu , Antai Guo , Deqiang Jiang , Yiqing Hu , Bo Ren