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Document extraction is an important step before retrieval-augmented generation (RAG), knowledge bases, and downstream generative AI can work. It turns unstructured documents like PDFs and scans into structured text and layout-aware…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Aman Ulla

Traditional methods for crawling and parsing web applications predominantly rely on extracting hyperlinks from initial pages and recursively following linked resources. This approach constructs a graph where nodes represent unstructured…

Information Retrieval · Computer Science 2024-10-24 Yogesh Chandrasekharuni

Data mining (also known as knowledge discovery from databases) is the process of extraction of hidden, previously unknown and potentially useful information from databases. The outcome of the extracted data can be analyzed for the future…

Databases · Computer Science 2013-10-18 Sudhir B Jagtap , Kodge B. G

Click-through rate (CTR) prediction plays an important role in online advertising platforms. Most existing methods use data from the advertising platform itself for CTR prediction. As user behaviors also exist on many other platforms, e.g.,…

Information Retrieval · Computer Science 2024-07-29 Wentao Ouyang , Rui Dong , Ri Tao , Xiangzheng Liu

Efficient video processing is a critical component in many IoMT applications to detect events of interest. Presently, many window optimization techniques have been proposed in event processing with an underlying assumption that the incoming…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Piyush Yadav , Dhaval Salwala , Edward Curry

Key Information Extraction (KIE) is aimed at extracting structured information (e.g. key-value pairs) from form-style documents (e.g. invoices), which makes an important step towards intelligent document understanding. Previous approaches…

Artificial Intelligence · Computer Science 2022-06-15 Fengbin Zhu , Chao Wang , Wenqiang Lei , Ziyang Liu , Tat Seng Chua

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

Deep Convolutional Neural Networks (DCNNs) have recently been applied successfully to a variety of vision and multimedia tasks, thus driving development of novel solutions in several application domains. Document analysis is a particularly…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 I. Kavasidis , S. Palazzo , C. Spampinato , C. Pino , D. Giordano , D. Giuffrida , P. Messina

Constructing accurate knowledge graphs from long texts and low-resource languages is challenging, as large language models (LLMs) experience degraded performance with longer input chunks. This problem is amplified in low-resource settings…

Computation and Language · Computer Science 2025-03-25 Divyansh Singh , Manuel Nunez Martinez , Bonnie J. Dorr , Sonja Schmer Galunder

Biclustering is a two way clustering approach involving simultaneous clustering along two dimensions of the data matrix. Finding biclusters of web objects (i.e. web users and web pages) is an emerging topic in the context of web usage…

Neural and Evolutionary Computing · Computer Science 2011-06-14 R. Rathipriya , Dr. K. Thangavel , J. Bagyamani

Occlusion is very challenging in pedestrian detection. In this paper, we propose a simple yet effective method named V2F-Net, which explicitly decomposes occluded pedestrian detection into visible region detection and full body estimation.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Mingyang Shang , Dawei Xiang , Zhicheng Wang , Erjin Zhou

Recently, tampered text detection has attracted increasing attention due to its essential role in information security. Although existing methods can detect the tampered text region, the interpretation of such detection remains unclear,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Chenfan Qu , Jian Liu , Haoxing Chen , Baihan Yu , Jingjing Liu , Weiqiang Wang , Lianwen Jin

We present a novel algorithm, called Links, designed to perform online clustering on unit vectors in a high-dimensional Euclidean space. The algorithm is appropriate when it is necessary to cluster data efficiently as it streams in, and is…

Machine Learning · Statistics 2018-01-31 Philip Andrew Mansfield , Quan Wang , Carlton Downey , Li Wan , Ignacio Lopez Moreno

Parallel coordinates plot is one of the most popular and widely used visualization techniques for multi-dimensional data sets. Its main challenges for large-scale data sets are visual clutter and overplotting which hamper the recognition of…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Wenqiang Cui , Girts Strazdins , Hao Wang

With the recent developments in digitisation, there are increasing number of documents available online. There are several information extraction tools that are available to extract information from digitised documents. However, identifying…

Information Retrieval · Computer Science 2021-11-08 Richi Nayak , Thirunavukarasu Balasubramaniam , Sangeetha Kutty , Sachindra Banduthilaka , Erin Peterson

Tables are a common means to display data in human-friendly formats. Many authors have worked on proposals to extract those data back since this has many interesting applications. In this article, we summarise and compare many of the…

Information Retrieval · Computer Science 2019-11-05 Juan C. Roldán , Patricia Jiménez , Rafael Corchuelo

Visual arts are of inestimable importance for the cultural, historic and economic growth of our society. One of the building blocks of most analysis in visual arts is to find similarity relationships among paintings of different artists and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Giovanna Castellano , Eufemia Lella , Gennaro Vessio

Visually rich documents (VRDs) are ubiquitous in daily business and life. Examples are purchase receipts, insurance policy documents, custom declaration forms and so on. In VRDs, visual and layout information is critical for document…

Information Retrieval · Computer Science 2019-03-28 Xiaojing Liu , Feiyu Gao , Qiong Zhang , Huasha Zhao

In this paper, Gated-ViGAT, an efficient approach for video event recognition, utilizing bottom-up (object) information, a new frame sampling policy and a gating mechanism is proposed. Specifically, the frame sampling policy uses weighted…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Nikolaos Gkalelis , Dimitrios Daskalakis , Vasileios Mezaris

Our interest in this paper is in meeting a rapidly growing industrial demand for information extraction from images of documents such as invoices, bills, receipts etc. In practice users are able to provide a very small number of example…

Artificial Intelligence · Computer Science 2019-06-07 Vishal Sunder , Ashwin Srinivasan , Lovekesh Vig , Gautam Shroff , Rohit Rahul