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Though deep learning based scene text detection has achieved great progress, well-trained detectors suffer from severe performance degradation for different domains. In general, a tremendous amount of data is indispensable to train the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Yudi Chen , Wei Wang , Yu Zhou , Fei Yang , Dongbao Yang , Weiping Wang

Scene text retrieval aims to localize and search all text instances from an image gallery, which are the same or similar to a given query text. Such a task is usually realized by matching a query text to the recognized words, outputted by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hao Wang , Xiang Bai , Mingkun Yang , Shenggao Zhu , Jing Wang , Wenyu Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Linjie Deng , Yanxiang Gong , Xinchen Lu , Yi Lin , Zheng Ma , Mei Xie

The current trend in object detection and localization is to learn predictions with high capacity deep neural networks trained on a very large amount of annotated data and using a high amount of processing power. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Bastien Moysset , Christoper Kermorvant , Christian Wolf

Many current state-of-the-art methods for text recognition are based on purely local information and ignore the semantic correlation between text and its surrounding visual context. In this paper, we propose a post-processing approach to…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

Achieving tight bounding boxes of a shape while guaranteeing complete boundness is an essential task for efficient geometric operations and unsupervised semantic part detection. But previous methods fail to achieve both full coverage and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Chanhyeok Park , Minhyuk Sung

Recently, there has been an increasing interest in end-to-end speech recognition that directly transcribes speech to text without any predefined alignments. One approach is the attention-based encoder-decoder framework that learns a mapping…

Computation and Language · Computer Science 2017-02-02 Suyoun Kim , Takaaki Hori , Shinji Watanabe

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

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…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Xiangcheng Du , Tianlong Ma , Yingbin Zheng , Hao Ye , Xingjiao Wu , Liang He

Over the past few years, the field of scene text detection has progressed rapidly that modern text detectors are able to hunt text in various challenging scenarios. However, they might still fall short when handling text instances of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Minghang He , Minghui Liao , Zhibo Yang , Humen Zhong , Jun Tang , Wenqing Cheng , Cong Yao , Yongpan Wang , Xiang Bai

Given a textual phrase and an image, the visual grounding problem is the task of locating the content of the image referenced by the sentence. It is a challenging task that has several real-world applications in human-computer interaction,…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Davide Rigoni , Luciano Serafini , Alessandro Sperduti

Performing data augmentation for learning deep neural networks is known to be important for training visual recognition systems. By artificially increasing the number of training examples, it helps reducing overfitting and improves…

Computer Vision and Pattern Recognition · Computer Science 2019-09-23 Nikita Dvornik , Julien Mairal , Cordelia Schmid

A novel framework named Markov Clustering Network (MCN) is proposed for fast and robust scene text detection. MCN predicts instance-level bounding boxes by firstly converting an image into a Stochastic Flow Graph (SFG) and then performing…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Zichuan Liu , Guosheng Lin , Sheng Yang , Jiashi Feng , Weisi Lin , Wang Ling Goh

Interference detection of arbitrary geometric objects is not a trivial task due to the heavy computational load imposed by implementation issues. The hierarchically structured bounding boxes help us to quickly isolate the contour of…

Graphics · Computer Science 2016-11-14 L. A. Rivera , Vania V. Estrela , P. C. P. Carvalho

Speech emotion recognition (SER) systems often struggle in real-world environments, where ambient noise severely degrades their performance. This paper explores a novel approach that exploits prior knowledge of testing environments to…

Sound · Computer Science 2025-11-11 Seong-Gyun Leem , Daniel Fulford , Jukka-Pekka Onnela , David Gard , Carlos Busso

Different from Object Detection, Visual Grounding deals with detecting a bounding box for each text-image pair. This one box for each text-image data provides sparse supervision signals. Although previous works achieve impressive results,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Weitai Kang , Gaowen Liu , Mubarak Shah , Yan Yan

Inspired by deep convolution segmentation algorithms, scene text detectors break the performance ceiling of datasets steadily. However, these methods often encounter threshold selection bottlenecks and have poor performance on text…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Guiqin Zhao

Fine-tuning object detection (OD) models on combined datasets assumes annotation compatibility, yet datasets often encode conflicting spatial definitions for semantically equivalent categories. We propose an agentic label harmonization…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Renyu Li , Vladimir Kirilenko , Yao You , Crag Wolfe

Digital camera and mobile document image acquisition are new trends arising in the world of Optical Character Recognition and text detection. In some cases, such process integrates many distortions and produces poorly scanned text or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Abdeslam El Harraj , Naoufal Raissouni

Text detection in natural scene images is an important prerequisite for many content-based image analysis tasks. In this paper, we propose an accurate and robust method for detecting texts in natural scene images. A fast and effective…

Computer Vision and Pattern Recognition · Computer Science 2014-06-23 Xu-Cheng Yin , Xuwang Yin , Kaizhu Huang , Hong-Wei Hao