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This paper presents a scene text detection technique that exploits bootstrapping and text border semantics for accurate localization of texts in scenes. A novel bootstrapping technique is designed which samples multiple 'subsections' of a…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Chuhui Xue , Shijian Lu , Fangneng Zhan

The continuous growth of the e-commerce industry attracts fraudsters who exploit stolen credit card details. Companies often investigate suspicious transactions in order to retain customer trust and address gaps in their fraud detection…

密码学与安全 · 计算机科学 2025-06-16 Shaun Shuster , Eyal Zaloof , Asaf Shabtai , Rami Puzis

The rise of digital payments has accelerated the need for intelligent and scalable systems to detect fraud. This research presents an end-to-end, feature-rich machine learning framework for detecting credit card transaction anomalies and…

Recent deep learning models have demonstrated strong capabilities for classifying text and non-text components in natural images. They extract a high-level feature computed globally from a whole image component (patch), where the cluttered…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

Deep Convolutional Neural Networks (CNNs), such as Dense Convolutional Networks (DenseNet), have achieved great success for image representation by discovering deep hierarchical information. However, most existing networks simply stacks the…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Zhao Zhang , Zemin Tang , Yang Wang , Zheng Zhang , Choujun Zhan , Zhengjun Zha , Meng Wang

With the increase of credit card usage, the volume of credit card misuse also has significantly increased. As a result, financial organizations are working hard on developing and deploying credit card fraud detection methods, in order to…

机器学习 · 计算机科学 2019-12-09 Niloofar Yousefi , Marie Alaghband , Ivan Garibay

Effective representation of a text is critical for various natural language processing tasks. For the particular task of Chinese sentiment analysis, it is important to understand and choose an effective representation of a text from…

计算与语言 · 计算机科学 2018-08-10 Pengfei Liu , Ji Zhang , Cane Wing-Ki Leung , Chao He , Thomas L. Griffiths

Like other problems in computer vision, offline handwritten Chinese character recognition (HCCR) has achieved impressive results using convolutional neural network (CNN)-based methods. However, larger and deeper networks are needed to…

计算机视觉与模式识别 · 计算机科学 2017-02-28 Xuefeng Xiao , Lianwen Jin , Yafeng Yang , Weixin Yang , Jun Sun , Tianhai Chang

In this paper, we present an effective method to analyze the recognition confidence of handwritten Chinese character, based on the softmax regression score of a high performance convolutional neural networks (CNN). Through careful and…

计算机视觉与模式识别 · 计算机科学 2015-05-26 Meijun He , Shuye Zhang , Huiyun Mao , Lianwen Jin

Recommendation systems and computing advertisements have gradually entered the field of academic research from the field of commercial applications. Click-through rate prediction is one of the core research issues because the prediction…

机器学习 · 计算机科学 2019-02-26 Li Zhang , Weichen Shen , Shijian Li , Gang Pan

This paper introduces innovative frameworks for visual abstract reasoning, aiming to boost deep learning model performance. It emphasizes the importance of separating abstract concept and reasoning feature extraction processes. The…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Ruizhuo Song , Beiming Yuan

Fraud causes substantial costs and losses for companies and clients in the finance and insurance industries. Examples are fraudulent credit card transactions or fraudulent claims. It has been estimated that roughly $10$ percent of the…

机器学习 · 计算机科学 2019-10-09 I. Fursov , A. Zaytsev , R. Khasyanov , M. Spindler , E. Burnaev

Nowadays, success of financial organizations heavily depends on their ability to process digital traces generated by their clients, e.g., transaction histories, gathered from various sources to improve user modeling pipelines. As…

Taking word sequences as the input, typical named entity recognition (NER) models neglect errors from pre-processing (e.g., tokenization). However, these errors can influence the model performance greatly, especially for noisy texts like…

计算与语言 · 计算机科学 2019-08-16 Liyuan Liu , Zihan Wang , Jingbo Shang , Dandong Yin , Heng Ji , Xiang Ren , Shaowen Wang , Jiawei Han

Automatic text image recognition is a prevalent application in computer vision field. One efficient way is use Convolutional Recurrent Neural Network(CRNN) to accomplish task in an end-to-end(End2End) fashion. However, CRNN notoriously…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Kunhong Yu , Yuze Zhang

The completeness (in terms of content) of financial documents is a fundamental requirement for investment funds. To ensure completeness, financial regulators have to spend significant time carefully checking every financial document based…

信息检索 · 计算机科学 2025-03-26 Xiaochen Li , Domenico Bianculli , Lionel C. Briand

Recent proliferation in the field of Machine Learning and Deep Learning allows us to generate OCR models with higher accuracy. Optical Character Recognition(OCR) is the process of extracting text from documents and scanned images. For…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Shreeshiv Patel , Dvijesh Bhatt

The CTR (Click-Through Rate) prediction plays a central role in the domain of computational advertising and recommender systems. There exists several kinds of methods proposed in this field, such as Logistic Regression (LR), Factorization…

信息检索 · 计算机科学 2020-06-30 Shu Wu , Feng Yu , Xueli Yu , Qiang Liu , Liang Wang , Tieniu Tan , Jie Shao , Fan Huang

Dominant scene text recognition models commonly contain two building blocks, a visual model for feature extraction and a sequence model for text transcription. This hybrid architecture, although accurate, is complex and less efficient. In…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Yongkun Du , Zhineng Chen , Caiyan Jia , Xiaoting Yin , Tianlun Zheng , Chenxia Li , Yuning Du , Yu-Gang Jiang

Imagery texts are usually organized as a hierarchy of several visual elements, i.e. characters, words, text lines and text blocks. Among these elements, character is the most basic one for various languages such as Western, Chinese,…

计算机视觉与模式识别 · 计算机科学 2017-08-23 Han Hu , Chengquan Zhang , Yuxuan Luo , Yuzhuo Wang , Junyu Han , Errui Ding