English
Related papers

Related papers: A Hybrid Approach for Document Layout Analysis in …

200 papers

Paper documents are widely used as an irreplaceable channel of information in many fields, especially in financial industry, fostering a great amount of demand for systems which can convert document images into structured data…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Han Fu , Yunyu Bai , Zhuo Li , Jun Shen , Jianling Sun

Layout analysis is a task of uttermost importance in ancient handwritten document analysis and represents a fundamental step toward the simplification of subsequent tasks such as optical character recognition and automatic transcription.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Axel De Nardin , Silvia Zottin , Matteo Paier , Gian Luca Foresti , Emanuela Colombi , Claudio Piciarelli

Since the low quality of document images will greatly undermine the chances of success in automatic text recognition and analysis, it is necessary to assess the quality of document images uploaded in online business process, so as to reject…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Hongyu Li , Fan Zhu , Junhua Qiu

Localizing page elements/objects such as tables, figures, equations, etc. is the primary step in extracting information from document images. We propose a novel end-to-end trainable deep network, (CDeC-Net) for detecting tables present in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Madhav Agarwal , Ajoy Mondal , C. V. Jawahar

Charts are a powerful tool for visually conveying complex data, but their comprehension poses a challenge due to the diverse chart types and intricate components. Existing chart comprehension methods suffer from either heuristic rules or an…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Zhi-Qi Cheng , Qi Dai , Siyao Li , Jingdong Sun , Teruko Mitamura , Alexander G. Hauptmann

Text line detection is crucial for any application associated with Automatic Text Recognition or Keyword Spotting. Modern algorithms perform good on well-established datasets since they either comprise clean data or simple/homogeneous page…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Tobias Grüning , Roger Labahn , Markus Diem , Florian Kleber , Stefan Fiel

Since real-world ubiquitous documents (e.g., invoices, tickets, resumes and leaflets) contain rich information, automatic document image understanding has become a hot topic. Most existing works decouple the problem into two separate tasks,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Peng Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Jing Lu , Liang Qiao , Yi Niu , Fei Wu

Transforming documents into machine-processable representations is a challenging task due to their complex structures and variability in formats. Recovering the layout structure and content from PDF files or scanned material has remained a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Christoph Auer , Ahmed Nassar , Maksym Lysak , Michele Dolfi , Nikolaos Livathinos , Peter Staar

Document images are a ubiquitous source of data where the text is organized in a complex hierarchical structure ranging from fine granularity (e.g., words), medium granularity (e.g., regions such as paragraphs or figures), to coarse…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Zilong Wang , Jiuxiang Gu , Chris Tensmeyer , Nikolaos Barmpalios , Ani Nenkova , Tong Sun , Jingbo Shang , Vlad I. Morariu

Multi-hop reading comprehension (RC) across documents poses new challenge over single-document RC because it requires reasoning over multiple documents to reach the final answer. In this paper, we propose a new model to tackle the multi-hop…

Computation and Language · Computer Science 2019-06-06 Ming Tu , Guangtao Wang , Jing Huang , Yun Tang , Xiaodong He , Bowen Zhou

Scientific literature contains large volumes of complex, unstructured figures that are compound in nature (i.e. composed of multiple images, graphs, and drawings). Separation of these compound figures is critical for information retrieval…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Weixin Jiang , Eric Schwenker , Trevor Spreadbury , Nicola Ferrier , Maria K. Y. Chan , Oliver Cossairt

Document parsing has garnered widespread attention as vision-language models (VLMs) advance OCR capabilities. However, the field remains fragmented across dozens of specialized models with varying strengths, forcing users to navigate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Hao Feng , Wei Shi , Ke Zhang , Xiang Fei , Lei Liao , Dingkang Yang , Yongkun Du , Xuecheng Wu , Jingqun Tang , Yang Liu , Hong Chen , Can Huang

Image harmonization is an important step in photo editing to achieve visual consistency in composite images by adjusting the appearances of foreground to make it compatible with background. Previous approaches to harmonize composites are…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Konstantin Sofiiuk , Polina Popenova , Anton Konushin

Binarization plays a key role in the automatic information retrieval from document images. This process is usually performed in the first stages of documents analysis systems, and serves as a basis for subsequent steps. Hence it has to be…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Jorge Calvo-Zaragoza , Antonio-Javier Gallego

Existing graph layout algorithms are usually not able to optimize all the aesthetic properties desired in a graph layout. To evaluate how well the desired visual features are reflected in a graph layout, many readability metrics have been…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Hammad Haleem , Yong Wang , Abishek Puri , Sahil Wadhwa , Huamin Qu

Tabular structures are used to present crucial information in a structured and crisp manner. Detection of such regions is of great importance for proper understanding of a document. Tabular structures can be of various layouts and types.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Soumyadeep Dey , Jayanta Mukhopadhyay , Shamik Sural

Most Reading Comprehension methods limit themselves to queries which can be answered using a single sentence, paragraph, or document. Enabling models to combine disjoint pieces of textual evidence would extend the scope of machine…

Computation and Language · Computer Science 2018-06-12 Johannes Welbl , Pontus Stenetorp , Sebastian Riedel

We present a novel deep-learning-based method to cluster words in documents which we apply to detect and recognize tables given the OCR output. We interpret table structure bottom-up as a graph of relations between pairs of words (belonging…

Machine Learning · Computer Science 2024-05-24 Marek Polewczyk , Marco Spinaci

Tables are everywhere, from scientific journals, papers, websites, and newspapers all the way to items we buy at the supermarket. Detecting them is thus of utmost importance to automatically understanding the content of a document. The…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Mahmoud Kasem , Abdelrahman Abdallah , Alexander Berendeyev , Ebrahem Elkady , Mahmoud Abdalla , Mohamed Mahmoud , Mohamed Hamada , Daniyar Nurseitov , Islam Taj-Eddin

Recent progress in pretrained Transformer-based language models has shown great success in learning contextual representation of text. However, due to the quadratic self-attention complexity, most of the pretrained Transformers models can…

Computation and Language · Computer Science 2021-10-22 Peng Xu , Xinchi Chen , Xiaofei Ma , Zhiheng Huang , Bing Xiang