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Automated text detection is a difficult computer vision task. In order to accurately detect and identity text in an image or video, two major problems must be addressed. The primary problem is implementing a robust and reliable method for…

计算机视觉与模式识别 · 计算机科学 2017-09-13 Teresa Nicole Brooks

Sparse decomposition has been widely used for different applications, such as source separation, image classification, image denoising and more. This paper presents a new algorithm for segmentation of an image into background and foreground…

计算机视觉与模式识别 · 计算机科学 2016-07-28 Shervin Minaee , Yao Wang

In this paper, we introduce a novel end-end framework for multi-oriented scene text detection from an instance-aware semantic segmentation perspective. We present Fused Text Segmentation Networks, which combine multi-level features during…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Yuchen Dai , Zheng Huang , Yuting Gao , Youxuan Xu , Kai Chen , Jie Guo , Weidong Qiu

Arbitrary-shaped scene text detection is a challenging task due to the variety of text changes in font, size, color, and orientation. Most existing regression based methods resort to regress the masks or contour points of text regions to…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Yuchen Su , Zhiwen Shao , Yong Zhou , Fanrong Meng , Hancheng Zhu , Bing Liu , Rui Yao

Scene text detection methods based on deep learning have achieved remarkable results over the past years. However, due to the high diversity and complexity of natural scenes, previous state-of-the-art text detection methods may still…

计算机视觉与模式识别 · 计算机科学 2018-11-22 Enze Xie , Yuhang Zang , Shuai Shao , Gang Yu , Cong Yao , Guangyao Li

In domain generalization, the knowledge learnt from one or multiple source domains is transferred to an unseen target domain. In this work, we propose a novel domain generalization approach for fine-grained scene recognition. We first…

计算机视觉与模式识别 · 计算机科学 2016-07-27 Marian George , Mandar Dixit , Gábor Zogg , Nuno Vasconcelos

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

Scalable lossless video coding is an important aspect for many professional applications. Wavelet-based video coding decomposes an input sequence into a lowpass and a highpass subband by filtering along the temporal axis. The lowpass…

图像与视频处理 · 电气工程与系统科学 2023-02-03 Daniela Lanz , Christian Herbert , André Kaup

Recently, scene text detection has received significant attention due to its wide application. However, accurate detection in complex scenes of multiple scales, orientations, and curvature remains a challenge. Numerous detection methods…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Boyuan Zhu , Fagui Liu , Xi Chen , Quan Tang

Detecting text located on the torsos of marathon runners and sports players in video is a challenging issue due to poor quality and adverse effects caused by flexible/colorful clothing, and different structures of human bodies or actions.…

计算机视觉与模式识别 · 计算机科学 2020-05-27 Sauradip Nag , Palaiahnakote Shivakumara , Umapada Pal , Tong Lu , Michael Blumenstein

Recently, Transformer-based methods, which predict polygon points or Bezier curve control points for localizing texts, are popular in scene text detection. However, these methods built upon detection transformer framework might achieve…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Maoyuan Ye , Jing Zhang , Shanshan Zhao , Juhua Liu , Bo Du , Dacheng Tao

Localizing text in low-light environments is challenging due to visual degradations. Although a straightforward solution involves a two-stage pipeline with low-light image enhancement (LLE) as the initial step followed by detector, LLE is…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Chengpei Xu , Hao Fu , Long Ma , Wenjing Jia , Chengqi Zhang , Feng Xia , Xiaoyu Ai , Binghao Li , Wenjie Zhang

We present CLIP2Video network to transfer the image-language pre-training model to video-text retrieval in an end-to-end manner. Leading approaches in the domain of video-and-language learning try to distill the spatio-temporal video…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Han Fang , Pengfei Xiong , Luhui Xu , Yu Chen

The prosperity of deep learning contributes to the rapid progress in scene text detection. Among all the methods with convolutional networks, segmentation-based ones have drawn extensive attention due to their superiority in detecting text…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jingyu Lin , Jie Jiang , Yan Yan , Chunchao Guo , Hongfa Wang , Wei Liu , Hanzi Wang

Recently, segmentation-based scene text detection methods have drawn extensive attention in the scene text detection field, because of their superiority in detecting the text instances of arbitrary shapes and extreme aspect ratios,…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Minghui Liao , Zhisheng Zou , Zhaoyi Wan , Cong Yao , Xiang Bai

This paper addresses text-supervised semantic segmentation, aiming to learn a model capable of segmenting arbitrary visual concepts within images by using only image-text pairs without dense annotations. Existing methods have demonstrated…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Ji-Jia Wu , Andy Chia-Hao Chang , Chieh-Yu Chuang , Chun-Pei Chen , Yu-Lun Liu , Min-Hung Chen , Hou-Ning Hu , Yung-Yu Chuang , Yen-Yu Lin

In this paper, we propose a spatial temporal video-text detection technique which proceed in two principal steps:potential text region detection and a filtering process. In the first step we divide dynamically each pair of consecutive video…

多媒体 · 计算机科学 2013-01-11 Baseem Bouaziz , Tarek Zlitni , Walid Mahdi

Arbitrary-shaped text detection has recently attracted increasing interests and witnessed rapid development with the popularity of deep learning algorithms. Nevertheless, existing approaches often obtain inaccurate detection results, mainly…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Tao Sheng , Zhouhui Lian

This paper considers how to separate text and/or graphics from smooth background in screen content and mixed document images and proposes two approaches to perform this segmentation task. The proposed methods make use of the fact that the…

计算机视觉与模式识别 · 计算机科学 2016-07-12 Shervin Minaee , Yao Wang

Existing deep learning based unsupervised video object segmentation methods still rely on ground-truth segmentation masks to train. Unsupervised in this context only means that no annotated frames are used during inference. As obtaining…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Sahir Shrestha , Mohammad Ali Armin , Hongdong Li , Nick Barnes