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The existing image feature extraction methods are primarily based on the content and structure information of images, and rarely consider the contextual semantic information. Regarding some types of images such as scenes and objects, the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Chiranjibi Sitaula , Yong Xiang , Anish Basnet , Sunil Aryal , Xuequan Lu

We present a novel deep neural model for text detection in document images. For robust text detection in noisy scanned documents, the advantages of multi-task learning are adopted by adding an auxiliary task of text enhancement. Namely, our…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Eun-Soo Jung , HyeongGwan Son , Kyusam Oh , Yongkeun Yun , Soonhwan Kwon , Min Soo Kim

Segmentation localizes objects in an image on a fine-grained per-pixel scale. Segmentation benefits by humans-in-the-loop to provide additional input of objects to segment using a combination of foreground or background clicks. Tasks…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Nikolai Warner , Meera Hahn , Jonathan Huang , Irfan Essa , Vighnesh Birodkar

JPEG is one of the popular image compression algorithms that provide efficient storage and transmission capabilities in consumer electronics, and hence it is the most preferred image format over the internet world. In the present digital…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Bulla Rajesh , Mohammed Javed , P Nagabhushan

Table Extraction (TE) consists in extracting tables from PDF documents, in a structured format which can be automatically processed. While numerous TE tools exist, the variety of methods and techniques makes it difficult for users to choose…

Databases · Computer Science 2025-11-21 Marijan Soric , Cécile Gracianne , Ioana Manolescu , Pierre Senellart

This paper presents a comprehensive evaluation framework for image segmentation algorithms, encompassing naive methods, machine learning approaches, and deep learning techniques. We begin by introducing the fundamental concepts and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Tatiana Merkulova , Bharani Jayakumar

This paper aims to catalyze the discussions about text feature extraction techniques using neural network architectures. The research questions discussed in the paper focus on the state-of-the-art neural network techniques that have proven…

Computation and Language · Computer Science 2017-04-28 Vineet John

Text segmentation tasks have a very wide range of application values, such as image editing, style transfer, watermark removal, etc.However, existing public datasets are of poor quality of pixel-level labels that have been shown to be…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Yibo Wang , Yunhu Ye , Yuanpeng Mao , Yanwei Yu , Yuanping Song

Information extraction (IE) from documents is an intensive area of research with a large set of industrial applications. Current state-of-the-art methods focus on scanned documents with approaches combining computer vision, natural language…

Computation and Language · Computer Science 2022-08-16 Ismail Oussaid , William Vanhuffel , Pirashanth Ratnamogan , Mhamed Hajaiej , Alexis Mathey , Thomas Gilles

We introduce a novel approach for scanned document representation to perform field extraction. It allows the simultaneous encoding of the textual, visual and layout information in a 3-axis tensor used as an input to a segmentation model. We…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Mohamed Kerroumi , Othmane Sayem , Aymen Shabou

Designing a Business Card Reader (BCR) for mobile devices is a challenge to the researchers because of huge deformation in acquired images, multiplicity in nature of the business cards and most importantly the computational constraints of…

Computer Vision and Pattern Recognition · Computer Science 2010-03-10 Ayatullah Faruk Mollah , Subhadip Basu , Nibaran Das , Ram Sarkar , Mita Nasipuri , Mahantapas Kundu

This review presents various image segmentation methods using complex networks. Image segmentation is one of the important steps in image analysis as it helps analyze and understand complex images. At first, it has been tried to classify…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Amin Rezaei , Fatemeh Asadi

Extracting information from documents usually relies on natural language processing methods working on one-dimensional sequences of text. In some cases, for example, for the extraction of key information from semi-structured documents, such…

Computation and Language · Computer Science 2021-06-29 Oliver Bensch , Mirela Popa , Constantin Spille

Text spotting has seen tremendous progress in recent years yielding performant techniques which can extract text at the character, word or line level. However, extracting blocks of text from images (block-level text spotting) is relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Ganesh Bannur , Bharadwaj Amrutur

The problem of change detection in images finds application in different domains like diagnosis of diseases in the medical field, detecting growth patterns of cities through remote sensing, and finding changes in legal documents and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Abhinandan Kumar Pun , Mohammed Javed , David S. Doermann

The advancement in digital technologies have made it possible to produce perfect copies of digital content. In this environment, malicious users reproduce the digital content and share it without compensation to the content owner. Content…

Multimedia · Computer Science 2016-10-11 Sachin Mehta , Balakrishnan Prabhakaran , Rajarathnam Nallusamy , Derrick Newton

Automating information extraction from form-like documents at scale is a pressing need due to its potential impact on automating business workflows across many industries like financial services, insurance, and healthcare. The key challenge…

Machine Learning · Computer Science 2022-01-14 Beliz Gunel , Navneet Potti , Sandeep Tata , James B. Wendt , Marc Najork , Jing Xie

The volume of academic paper submissions and publications is growing at an ever increasing rate. While this flood of research promises progress in various fields, the sheer volume of output inherently increases the amount of noise. We…

Information Retrieval · Computer Science 2020-05-22 Marko Stamenovic , Jeibo Luo

Information extraction (IE) from unstructured documents remains a critical challenge in data processing pipelines. Traditional optical character recognition (OCR) methods and conventional parsing engines demonstrate limited effectiveness…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Aditya Parikh

Segmenting an object in a video presents significant challenges. Each pixel must be accurately labelled, and these labels must remain consistent across frames. The difficulty increases when the segmentation is with arbitrary granularity,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Amirhossein Alimohammadi , Sauradip Nag , Saeid Asgari Taghanaki , Andrea Tagliasacchi , Ghassan Hamarneh , Ali Mahdavi Amiri