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The reading of arbitrarily-shaped text has received increasing research attention. However, existing text spotters are mostly built on two-stage frameworks or character-based methods, which suffer from either Non-Maximum Suppression (NMS),…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Pengfei Wang , Chengquan Zhang , Fei Qi , Shanshan Liu , Xiaoqiang Zhang , Pengyuan Lyu , Junyu Han , Jingtuo Liu , Errui Ding , Guangming Shi

We present ShapeFormer, a transformer-based network that produces a distribution of object completions, conditioned on incomplete, and possibly noisy, point clouds. The resultant distribution can then be sampled to generate likely…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Xingguang Yan , Liqiang Lin , Niloy J. Mitra , Dani Lischinski , Daniel Cohen-Or , Hui Huang

In this work, we introduce SPFormer, a novel Vision Transformer enhanced by superpixel representation. Addressing the limitations of traditional Vision Transformers' fixed-size, non-adaptive patch partitioning, SPFormer employs superpixels…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Jieru Mei , Liang-Chieh Chen , Alan Yuille , Cihang Xie

Irregular scene text recognition has attracted much attention from the research community, mainly due to the complexity of shapes of text in natural scene. However, recent methods either rely on shape-sensitive modules such as bounding box…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Shangbang Long , Yushuo Guan , Kaigui Bian , Cong Yao

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

We demonstrate that a generative model for object shapes can achieve state of the art results on challenging scene text recognition tasks, and with orders of magnitude fewer training images than required for competing discriminative…

计算机视觉与模式识别 · 计算机科学 2016-11-10 Xinghua Lou , Ken Kansky , Wolfgang Lehrach , CC Laan , Bhaskara Marthi , D. Scott Phoenix , Dileep George

The goal of text spotting is to perform text detection and recognition in an end-to-end manner. Although the diversity of luminosity and orientation in scene texts has been widely studied, the font diversity and shape variance of the same…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Xixuan Hao , Aozhong Zhang , Xianze Meng , Bin Fu

The ascension of Unmanned Aerial Vehicles (UAVs) in various fields necessitates effective UAV image segmentation, which faces challenges due to the dynamic perspectives of UAV-captured images. Traditional segmentation algorithms falter as…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Deyi Ji , Wenwei Jin , Hongtao Lu , Feng Zhao

Pursuing efficient text shape representations helps scene text detection models focus on compact foreground regions and optimize the contour reconstruction steps to simplify the whole detection pipeline. Current approaches either represent…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Chuang Yang , Xu Han , Tao Han , Han Han , Bingxuan Zhao , Qi Wang

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

Optical high-resolution imagery and OSM data are two important data sources of change detection (CD). Previous related studies focus on utilizing the information in OSM data to aid the CD on optical high-resolution images. This paper…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Hongruixuan Chen , Cuiling Lan , Jian Song , Clifford Broni-Bediako , Junshi Xia , Naoto Yokoya

Detection and recognition of scene texts of arbitrary shapes remain a grand challenge due to the super-rich text shape variation in text line orientations, lengths, curvatures, etc. This paper presents a mask-guided multi-task network that…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Chuhui Xue , Shijian Lu , Steven Hoi

The research focus of scene text detection and recognition has shifted to arbitrary shape text in recent years, where the text shape representation is a fundamental problem. An ideal representation should be compact, complete, efficient,…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Wei Wang , Yu Zhou , Jiahao Lv , Dayan Wu , Guoqing Zhao , Ning Jiang , Weiping Wang

Change detection in remote sensing imagery is essential for a variety of applications such as urban planning, disaster management, and climate research. However, existing methods for identifying semantically changed areas overlook the…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Maximilian Bernhard , Niklas Strauß , Matthias Schubert

The irregular contour representation is one of the tough challenges in scene text detection. Although segmentation-based methods have achieved significant progress with the help of flexible pixel prediction, the overlap of geographically…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Xu Han , Junyu Gao , Chuang Yang , Yuan Yuan , Qi Wang

Text segmentation tasks have a very wide range of application values, such as image editing, style transfer, watermark removal, etc.However, existing public datasets are of poor quality of pixel-level labels that have been shown to be…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Yibo Wang , Yunhu Ye , Yuanpeng Mao , Yanwei Yu , Yuanping Song

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

Recent advancements in text-to-image generation have been propelled by the development of diffusion models and multi-modality learning. However, since text is typically represented sequentially in these models, it often falls short in…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Guibao Shen , Luozhou Wang , Jiantao Lin , Wenhang Ge , Chaozhe Zhang , Xin Tao , Yuan Zhang , Pengfei Wan , Zhongyuan Wang , Guangyong Chen , Yijun Li , Ying-Cong Chen

Pedestrian attribute recognition (PAR) has received increasing attention because of its wide application in video surveillance and pedestrian analysis. Extracting robust feature representation is one of the key challenges in this task. The…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Xinwen Fan , Yukang Zhang , Yang Lu , Hanzi Wang

Identifying polyps is challenging for automatic analysis of endoscopic images in computer-aided clinical support systems. Models based on convolutional networks (CNN), transformers, and their combinations have been proposed to segment…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Nguyen Thanh Duc , Nguyen Thi Oanh , Nguyen Thi Thuy , Tran Minh Triet , Dinh Viet Sang