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In this paper, we introduce BINet, a neural network architecture for real-time multi-perspective anomaly detection in business process event logs. BINet is designed to handle both the control flow and the data perspective of a business…

人工智能 · 计算机科学 2019-11-05 Timo Nolle , Stefan Luettgen , Alexander Seeliger , Max Mühlhäuser

The ubiquity of smartphone cameras has led to more and more documents being captured by cameras rather than scanned. Unlike flatbed scanners, photographed documents are often folded and crumpled, resulting in large local variance in text…

计算机视觉与模式识别 · 计算机科学 2020-08-06 Amir Markovitz , Inbal Lavi , Or Perel , Shai Mazor , Roee Litman

Binarization of degraded document images is an elementary step in most of the problems in document image analysis domain. The paper re-visits the binarization problem by introducing an adversarial learning approach. We construct a Texture…

计算机视觉与模式识别 · 计算机科学 2019-05-02 Ankan Kumar Bhunia , Ayan Kumar Bhunia , Aneeshan Sain , Partha Pratim Roy

Classifying a visual concept merely from its associated online textual source, such as a Wikipedia article, is an attractive research topic in zero-shot learning because it alleviates the burden of manually collecting semantic attributes.…

计算机视觉与模式识别 · 计算机科学 2016-04-06 Ruizhi Qiao , Lingqiao Liu , Chunhua Shen , Anton van den Hengel

In recent years, text-image joint pre-training techniques have shown promising results in various tasks. However, in Optical Character Recognition (OCR) tasks, aligning text instances with their corresponding text regions in images poses a…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Chen Duan , Pei Fu , Shan Guo , Qianyi Jiang , Xiaoming Wei

When designing circuits, engineers obtain the information of electronic devices by browsing a large number of documents, which is low efficiency and heavy workload. The use of artificial intelligence technology to automatically parse…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Hong Cai Chen , Longchang Wu , Yang Zhang

Handwriting signatures, as an important means of identity recognition, are widely used in multiple fields such as financial transactions, commercial contracts and personal affairs due to their legal effect and uniqueness. In forensic…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Wanghui Xiao

The challenges of shape robust text detection lie in two aspects: 1) most existing quadrangular bounding box based detectors are difficult to locate texts with arbitrary shapes, which are hard to be enclosed perfectly in a rectangle; 2)…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Xiang Li , Wenhai Wang , Wenbo Hou , Ruo-Ze Liu , Tong Lu , Jian Yang

Removing noise from scanned pages is a vital step before their submission to the optical character recognition (OCR) system. Most available image denoising methods are supervised where the pairs of noisy/clean pages are required. However,…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Mehrdad J Gangeh , Marcin Plata , Hamid Motahari , Nigel P Duffy

Shadows often occur when we capture the documents with casual equipment, which influences the visual quality and readability of the digital copies. Different from the algorithms for natural shadow removal, the algorithms in document shadow…

计算机视觉与模式识别 · 计算机科学 2024-06-19 Zinuo Li , Xuhang Chen , Chi-Man Pun , Xiaodong Cun

Recently fast arbitrary-shaped text detection has become an attractive research topic. However, most existing methods are non-real-time, which may fall short in intelligent systems. Although a few real-time text methods are proposed, the…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Chuang Yang , Mulin Chen , Zhitong Xiong , Yuan Yuan , Qi Wang

Optical Character Recognition (OCR) continues to face accuracy challenges that impact subsequent applications. To address these errors, we explore the utility of OCR confidence scores for enhancing post-OCR error detection. Our study…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Arthur Hemmer , Mickaël Coustaty , Nicola Bartolo , Jean-Marc Ogier

Segmentation of a text-document into lines, words and characters, which is considered to be the crucial pre-processing stage in Optical Character Recognition (OCR) is traditionally carried out on uncompressed documents, although most of the…

计算机视觉与模式识别 · 计算机科学 2014-04-01 Mohammed Javed , P. Nagabhushan , B. B. Chaudhuri

Document understanding is a key business process in the data-driven economy since documents are central to knowledge discovery and business insights. Converting documents into a machine-processable format is a particular challenge here due…

数字图书馆 · 计算机科学 2022-07-14 Christoph Auer , Michele Dolfi , André Carvalho , Cesar Berrospi Ramis , Peter W. J. Staar

Despite significant advances in document understanding, determining the correct orientation of scanned or photographed documents remains a critical pre-processing step in the real world settings. Accurate rotation correction is essential…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Suranjan Goswami , Abhinav Ravi , Raja Kolla , Ali Faraz , Shaharukh Khan , Akash , Chandra Khatri , Shubham Agarwal

Scientific knowledge is predominantly stored in books and scientific journals, often in the form of PDFs. However, the PDF format leads to a loss of semantic information, particularly for mathematical expressions. We propose Nougat (Neural…

机器学习 · 计算机科学 2023-08-28 Lukas Blecher , Guillem Cucurull , Thomas Scialom , Robert Stojnic

Generally pre-training and long-time training computation are necessary for obtaining a good-performance text detector based on deep networks. In this paper, we present a new scene text detection network (called FANet) with a Fast…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Yuzhong Zhao , Yuanqiang Cai , Weijia Wu , Weiqiang Wang

Scene text detection has witnessed rapid progress especially with the recent development of convolutional neural networks. However, there still exists two challenges which prevent the algorithm into industry applications. On the one hand,…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Wenhai Wang , Enze Xie , Xiang Li , Wenbo Hou , Tong Lu , Gang Yu , Shuai Shao

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

For management, documents are categorized into a specific category, and to do these, most of the organizations use manual labor. In today's automation era, manual efforts on such a task are not justified, and to avoid this, we have so many…

机器学习 · 计算机科学 2020-04-20 Ritu Yadav