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Due to the large success in object detection and instance segmentation, Mask R-CNN attracts great attention and is widely adopted as a strong baseline for arbitrary-shaped scene text detection and spotting. However, two issues remain to be…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Xugong Qin , Yu Zhou , Youhui Guo , Dayan Wu , Zhihong Tian , Ning Jiang , Hongbin Wang , Weiping Wang

Weakly supervised multimodal video anomaly detection has gained significant attention, yet the potential of the text modality remains under-explored. Text provides explicit semantic information that can enhance anomaly characterization and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Shengyang Sun , Jiashen Hua , Junyi Feng , Xiaojin Gong

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

In this paper, we propose a novel method called Rotational Region CNN (R2CNN) for detecting arbitrary-oriented texts in natural scene images. The framework is based on Faster R-CNN [1] architecture. First, we use the Region Proposal Network…

Computer Vision and Pattern Recognition · Computer Science 2017-07-03 Yingying Jiang , Xiangyu Zhu , Xiaobing Wang , Shuli Yang , Wei Li , Hua Wang , Pei Fu , Zhenbo Luo

Text spotting is an interesting research problem as text may appear at any random place and may occur in various forms. Moreover, ability to detect text opens the horizons for improving many advanced computer vision problems. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Aarushi Agrawal , Prerana Mukherjee , Siddharth Srivastava , Brejesh Lall

Existing scene text spotting (i.e., end-to-end text detection and recognition) methods rely on costly bounding box annotations (e.g., text-line, word-level, or character-level bounding boxes). For the first time, we demonstrate that…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Dezhi Peng , Xinyu Wang , Yuliang Liu , Jiaxin Zhang , Mingxin Huang , Songxuan Lai , Shenggao Zhu , Jing Li , Dahua Lin , Chunhua Shen , Xiang Bai , Lianwen Jin

Most text detection methods hypothesize texts are horizontal or multi-oriented and thus define quadrangles as the basic detection unit. However, text in the wild is usually perspectively distorted or curved, which can not be easily tackled…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Jiaming Liu , Chengquan Zhang , Yipeng Sun , Junyu Han , Errui Ding

Existing scene text spotters are designed to locate and transcribe texts from images. However, it is challenging for a spotter to achieve precise detection and recognition of scene texts simultaneously. Inspired by the glimpse-focus…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Jiahao Lyu , Jin Wei , Gangyan Zeng , Zeng Li , Enze Xie , Wei Wang , Yu Zhou

Text in natural images contains rich semantics that are often highly relevant to objects or scene. In this paper, we focus on the problem of fully exploiting scene text for visual understanding. The main idea is combining word…

Computer Vision and Pattern Recognition · Computer Science 2017-05-31 Xiang Bai , Mingkun Yang , Pengyuan Lyu , Yongchao Xu , Jiebo Luo

The recent large-scale Contrastive Language-Image Pretraining (CLIP) model has shown great potential in various downstream tasks via leveraging the pretrained vision and language knowledge. Scene text, which contains rich textual and visual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Wenwen Yu , Yuliang Liu , Wei Hua , Deqiang Jiang , Bo Ren , Xiang Bai

The Multiple Instance Hybrid Estimator for discriminative target characterization from imprecisely labeled hyperspectral data is presented. In many hyperspectral target detection problems, acquiring accurately labeled training data is…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Changzhe Jiao , Chao Chen , Ronald G. McGarvey , Stephanie Bohlman , Licheng Jiao , Alina Zare

The detection and recognition of unconstrained text is an open problem in research. Text in comic books has unusual styles that raise many challenges for text detection. This work aims to identify text characters at a pixel level in a comic…

Computer Vision and Pattern Recognition · Computer Science 2020-10-09 Julián Del Gobbo , Rosana Matuk Herrera

Text recognition is a popular research subject with many associated challenges. Despite the considerable progress made in recent years, the text recognition task itself is still constrained to solve the problem of reading cropped line text…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Tianwei Wang , Yuanzhi Zhu , Lianwen Jin , Dezhi Peng , Zhe Li , Mengchao He , Yongpan Wang , Canjie Luo

It is challenging to detect curve texts due to their irregular shapes and varying sizes. In this paper, we first investigate the deficiency of the existing curve detection methods and then propose a novel Conditional Spatial Expansion (CSE)…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Zichuan Liu , Guosheng Lin , Sheng Yang , Fayao Liu , Weisi Lin , Wang Ling Goh

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…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Xixuan Hao , Aozhong Zhang , Xianze Meng , Bin Fu

Nowadays, scene text recognition has attracted more and more attention due to its diverse applications. Most state-of-the-art methods adopt an encoder-decoder framework with the attention mechanism, autoregressively generating text from…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Xiaomeng Yang , Zhi Qiao , Yu Zhou

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),…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Pengfei Wang , Chengquan Zhang , Fei Qi , Shanshan Liu , Xiaoqiang Zhang , Pengyuan Lyu , Junyu Han , Jingtuo Liu , Errui Ding , Guangming Shi

Currently, the destruction of the sequence structure in handwritten text has become one of the main bottlenecks restricting the recognition task. The typical situations include additional specific markers (the text swapping modification)…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zi-Rui Wang

Object proposal technique with dense anchoring scheme for scene text detection were applied frequently to achieve high recall. It results in the significant improvement in accuracy but waste of computational searching, regression and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Anna Zhu , Hang Du , Shengwu Xiong

Object Proposals is a recent computer vision technique receiving increasing interest from the research community. Its main objective is to generate a relatively small set of bounding box proposals that are most likely to contain objects of…

Computer Vision and Pattern Recognition · Computer Science 2015-09-09 Lluis Gomez , Dimosthenis Karatzas