Results 11 to 20 of about 159,963 (263)

Local Water-Filling Algorithm for Shadow Detection and Removal of Document Images

open access: yesSensors, 2020
Shadow detection and removal is an important task for digitized document applications. It is hard for many methods to distinguish shadow from printed text due to the high darkness similarity.
Bingshu Wang, C. L. Philip Chen
doaj   +1 more source

A Document Image Generation Scheme Based on Face Swapping and Distortion Generation

open access: yesIEEE Access, 2022
Nowadays, digital images are widely used in various services. The emergence of more and more image editing algorithms has made image forensic approaches to be severely challenged.
Gang Zhu, Yuting Ding, Lin Zhao
doaj   +1 more source

Document image analysis and recognition: a survey

open access: yesКомпьютерная оптика, 2022
This paper analyzes the problems of document image recognition and the existing solutions. Document recognition algorithms have been studied for quite a long time, but despite this, currently, the topic is relevant and research continues, as evidenced by
V.V. Arlazarov   +6 more
doaj   +1 more source

Voting-Based Document Image Skew Detection

open access: yesApplied Sciences, 2020
Optical Character Recognition (OCR) is an indispensable tool for technology users nowadays, as our natural language is presented through text. We live under the need of having information at hand in every circumstance and, at the same time, having ...
Costin-Anton Boiangiu   +4 more
doaj   +1 more source

Self-Supervised Representation Learning for Document Image Classification

open access: yesIEEE Access, 2021
Supervised learning, despite being extremely effective, relies on expensive, time-consuming, and error-prone annotations. Self-supervised learning has recently emerged as a strong alternate to supervised learning in a range of different domains as ...
Shoaib Ahmed Siddiqui   +2 more
doaj   +1 more source

Unsupervised Exemplar-Based Learning for Improved Document Image Classification

open access: yesIEEE Access, 2019
Many recent state-of-the-art approaches for document image classification are based on supervised feature learning that requires a large amount of labeled training data.
Sherif Abuelwafa   +2 more
doaj   +1 more source

FADIT: Fast Document Image Thresholding

open access: yesAlgorithms, 2020
We propose a fast document image thresholding method (FADIT) and evaluations of the two classic methods for demonstrating the effectiveness of FADIT. We put forward two assumptions: (1) the probability of the occurrence of grayscale text and background ...
Yufang Min, Yaonan Zhang
doaj   +1 more source

Deep Neural Network Concept for a Blind Enhancement of Document-Images in the Presence of Multiple Distortions

open access: yesApplied Sciences, 2022
In this paper, we propose a new convolutional neural network (CNN) architecture for improving document-image quality through decreasing the impact of distortions (i.e., blur, shadows, contrast issues, and noise) contained therein.
Kabeh Mohsenzadegan   +2 more
doaj   +1 more source

Language Identification in Document Images [PDF]

open access: yesJournal of Imaging Science and Technology, 2016
This paper presents a system dedicated to automatic language identification of text regions in heterogeneous and complex documents. This system is able to process documents with mixed printed and handwritten text and various layouts. To handle such a problem, we propose a system that performs the following sub-tasks: writing type identification ...
Barlas, P   +4 more
openaire   +4 more sources

U-Net-bin: hacking the document image binarization contest [PDF]

open access: yesКомпьютерная оптика, 2019
Image binarization is still a challenging task in a variety of applications. In particular, Document Image Binarization Contest (DIBCO) is organized regularly to track the state-of-the-art techniques for the historical document binarization. In this work
Pavel Bezmaternykh   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy