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Related papers: Generating Synthetic Invoices via Layout-Preservin…

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Conventional Optical Character Recognition (OCR) systems are challenged by variant invoice layouts, handwritten text, and low-quality scans, which are often caused by strong template dependencies that restrict their flexibility across…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Khushi Khanchandani , Advait Thakur , Akshita Shetty , Chaitravi Reddy , Ritisa Behera

In large organizations, the number of financial transactions can grow rapidly, driving the need for fast and accurate multi-criteria invoice validation. Manual processing remains error-prone and time-consuming, while current automated…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Aziz Amari , Mariem Makni , Wissal Fnaich , Akram Lahmar , Fedi Koubaa , Oumayma Charrad , Mohamed Ali Zormati , Rabaa Youssef Douss

While storing invoice content as metadata to avoid paper document processing may be the future trend, almost all of daily issued invoices are still printed on paper or generated in digital formats such as PDFs. In this paper, we introduce…

Computation and Language · Computer Science 2022-08-09 Hien Thi Ha , Aleš Horák

Analyzing the layout of a document to identify headers, sections, tables, figures etc. is critical to understanding its content. Deep learning based approaches for detecting the layout structure of document images have been promising.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Natraj Raman , Sameena Shah , Manuela Veloso

Despite significant progress on current state-of-the-art image generation models, synthesis of document images containing multiple and complex object layouts is a challenging task. This paper presents a novel approach, called DocSynth, to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Sanket Biswas , Pau Riba , Josep Lladós , Umapada Pal

Automatic License Plate Recognition is a frequent research topic due to its wide-ranging practical applications. While recent studies use synthetic images to improve License Plate Recognition (LPR) results, there remain several limitations…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Rayson Laroca , Valter Estevam , Gladston J. P. Moreira , Rodrigo Minetto , David Menotti

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…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Shreeshiv Patel , Dvijesh Bhatt

Deep learning methods typically require vast amounts of training data to reach their full potential. While some publicly available datasets exists, domain specific data always needs to be collected and manually labeled, an expensive, time…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Stefan Hinterstoisser , Olivier Pauly , Hauke Heibel , Martina Marek , Martin Bokeloh

An insufficient number of training samples is a common problem in neural network applications. While data augmentation methods require at least a minimum number of samples, we propose a novel, rendering-based pipeline for synthesizing…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Andreas Spruck , Maximilane Gruber , Anatol Maier , Denise Moussa , Jürgen Seiler , Christian Riess , André Kaup

We present a framework to generate synthetic historical documents with precise ground truth using nothing more than a collection of unlabeled historical images. Obtaining large labeled datasets is often the limiting factor to effectively…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Lars Vögtlin , Manuel Drazyk , Vinaychandran Pondenkandath , Michele Alberti , Rolf Ingold

This paper explores the application of synthetic data in the post-OCR domain on multiple fronts by conducting experiments to assess the impact of data volume, augmentation, and synthetic data generation methods on model performance.…

Computation and Language · Computer Science 2024-08-14 Shuhao Guan , Derek Greene

This paper presents methods for extracting structured information from invoice documents and proposes a set of evaluation metrics (EM) to assess the accuracy of the extracted data against annotated ground truth. The approach involves…

Artificial Intelligence · Computer Science 2025-10-23 Sai Yashwant , Anurag Dubey , Praneeth Paikray , Gantala Thulsiram

Visual Quality Inspection plays a crucial role in modern manufacturing environments as it ensures customer safety and satisfaction. The introduction of Computer Vision (CV) has revolutionized visual quality inspection by improving the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Christoph Huber , Dino Knoll , Michael Guthe

The performance of supervised deep learning algorithms depends significantly on the scale, quality and diversity of the data used for their training. Collecting and manually annotating large amount of data can be both time-consuming and…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 C. Symeonidis , P. Nousi , P. Tosidis , K. Tsampazis , N. Passalis , A. Tefas , N. Nikolaidis

Image captioning requires numerous annotated image-text pairs, resulting in substantial annotation costs. Recently, large models (e.g. diffusion models and large language models) have excelled in producing high-quality images and text. This…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Feipeng Ma , Yizhou Zhou , Fengyun Rao , Yueyi Zhang , Xiaoyan Sun

The finding that very large networks can be trained efficiently and reliably has led to a paradigm shift in computer vision from engineered solutions to learning formulations. As a result, the research challenge shifts from devising…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Nikolaus Mayer , Eddy Ilg , Philipp Fischer , Caner Hazirbas , Daniel Cremers , Alexey Dosovitskiy , Thomas Brox

In this work, product tables in invoices are obtained autonomously via a deep learning model, which is named as ExTTNet. Firstly, text is obtained from invoice images using Optical Character Recognition (OCR) techniques. Tesseract OCR…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Adem Akdoğan , Murat Kurt

Visual grouping -- operationalized through tasks such as instance segmentation, visual grounding, and object detection -- enables applications ranging from robotic perception to photo editing. These fundamental problems in computer vision…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Weikai Huang , Jieyu Zhang , Taoyang Jia , Chenhao Zheng , Ziqi Gao , Jae Sung Park , Winson Han , Ranjay Krishna

Quality control of assembly processes is essential in manufacturing to ensure not only the quality of individual components but also their proper integration into the final product. To assist in this matter, automated assembly control using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Jonas Werheid , Shengjie He , Aymen Gannouni , Anas Abdelrazeq , Robert H. Schmitt

This paper presents the design and development of an OCR-powered pipeline for efficient table extraction from invoices. The system leverages Tesseract OCR for text recognition and custom post-processing logic to detect, align, and extract…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Parshva Dhilankumar Patel
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