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Object recognition and detection are well-studied problems with a developed set of almost standard solutions. Identity documents recognition, classification, detection, and localization are the tasks required in a number of applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Mykola Kozlenko , Volodymyr Sendetskyi , Oleksiy Simkiv , Nazar Savchenko , Andy Bosyi

Image foreground extraction is a classical problem in image processing and vision, with a large range of applications. In this dissertation, we focus on the extraction of text and graphics in mixed-content images, and design novel…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Shervin Minaee

Document chunking is a critical preprocessing step in dense retrieval systems, yet the design space of chunking strategies remains poorly understood. Recent research has proposed several concurrent approaches, including LLM-guided methods…

Information Retrieval · Computer Science 2026-02-20 Yongjie Zhou , Shuai Wang , Bevan Koopman , Guido Zuccon

The need for fast diagnostic image viewing in zero footprint web applications and the ever increasing image sizes for new modalities such as digital pathology have painfully brought to light that the currently available image compression…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Bas Hulsken

An automatic document classification system is presented that detects textual content in images and classifies documents into four predefined categories (Invoice, Report, Letter, and Form). The system supports both offline images (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Aya Kaysan Bahjat

Autonomous vehicles and Advanced Driving Assistance Systems (ADAS) have the potential to radically change the way we travel. Many such vehicles currently rely on segmentation and object detection algorithms to detect and track objects…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Ravi Kakaiya , Rakshith Sathish , Ramanathan Sethuraman , Debdoot Sheet

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

We present the first large-scale, cross-domain evaluation of document chunking strategies for dense retrieval, addressing a critical but underexplored aspect of retrieval-augmented systems. In our study, 36 segmentation methods spanning…

Computation and Language · Computer Science 2026-03-10 Muhammad Arslan Shaukat , Muntasir Adnan , Carlos C. N. Kuhn

The machine learning community has been overwhelmed by a plethora of deep learning based approaches. Many challenging computer vision tasks such as detection, localization, recognition and segmentation of objects in unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Swarnendu Ghosh , Nibaran Das , Ishita Das , Ujjwal Maulik

An increasing share of captured images and videos are transmitted for storage and remote analysis by computer vision algorithms, rather than to be viewed by humans. Contrary to traditional standard codecs with engineered tools, neural…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Lahiru D. Chamain , Fabien Racapé , Jean Bégaint , Akshay Pushparaja , Simon Feltman

This paper describes substantial advances in the analysis (parsing) of diagrams using constraint grammars. The addition of set types to the grammar and spatial indexing of the data make it possible to efficiently parse real diagrams of…

cmp-lg · Computer Science 2008-02-03 Robert P. Futrelle , Nikos Nikolakis

Recently, more and more images are compressed and sent to the back-end devices for the machine analysis tasks~(\textit{e.g.,} object detection) instead of being purely watched by humans. However, most traditional or learned image codecs are…

Image and Video Processing · Electrical Eng. & Systems 2022-06-14 Guo Lu , Xingtong Ge , Tianxiong Zhong , Jing Geng , Qiang Hu

Real-world graphs are massive in size and we need a huge amount of space to store them. Graph compression allows us to compress a graph so that we need a lesser number of bits per link to store it. Of many techniques to compress a graph, a…

Social and Information Networks · Computer Science 2021-05-13 Muhammad Irfan Yousuf , Izza Anwer , Muhammad Abid

In this age of information, images are a critical medium for storing and transmitting information. With the rapid growth of image data amount, visual compression and visual data perception are two important research topics attracting a lot…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Yuefeng Zhang , Chuanmin Jia , Jiannhui Chang , Siwei Ma

This paper is dedicated to an efficient compression of weights and optimizer states (called checkpoints) obtained at different stages during a neural network training process. First, we propose a prediction-based compression approach, where…

Machine Learning · Computer Science 2025-06-16 Yuriy Kim , Evgeny Belyaev

Today all kind of information is getting digitized and along with all this digitization, the huge archive of various kinds of documents is being digitized too. We know that, Optical Character Recognition is the method through which,…

Computer Vision and Pattern Recognition · Computer Science 2017-01-31 Md. Fahad Hasan , Tasmin Afroz , Sabir Ismail , Md. Saiful Islam

Handling large amounts of data has become a key for developing automated driving systems. Especially for developing highly automated driving functions, working with images has become increasingly challenging due to the sheer size of the…

Robotics · Computer Science 2023-04-24 Philipp Rigoll , Patrick Petersen , Hanno Stage , Lennart Ries , Eric Sax

Recently, horizontal representation-based panoramic semantic segmentation approaches outperform projection-based solutions, because the distortions can be effectively removed by compressing the spherical data in the vertical direction.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Zishuo Zheng , Chunyu Lin , Lang Nie , Kang Liao , Zhijie Shen , Yao Zhao

We propose a new approach to extracting data items or field values from semi-structured documents. Examples of such problems include extracting passenger name, departure time and departure airport from a travel itinerary, or extracting…

Software Engineering · Computer Science 2022-04-12 Suresh Parthasarathy , Lincy Pattanaik , Anirudh Khatry , Arun Iyer , Arjun Radhakrishna , Sriram Rajamani , Mohammad Raza

Documents are a core part of many businesses in many fields such as law, finance, and technology among others. Automatic understanding of documents such as invoices, contracts, and resumes is lucrative, opening up many new avenues of…

Computation and Language · Computer Science 2021-02-08 Nishant Subramani , Alexandre Matton , Malcolm Greaves , Adrian Lam