Results 221 to 230 of about 159,963 (263)

Degraded document image enhancement

SPIE Proceedings, 2007
Poor quality documents are obtained in various situations such as historical document collections, legal archives, security investigations, and documents found in clandestine locations. Such documents are often scanned for automated analysis, further processing, and archiving. Due to the nature of such documents, degraded document images are often hard
Gady Agam, G. Bal, Gideon Frieder, Ophir Frieder   +3 more
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Networking digital document images

Proceedings of Sixth International Conference on Document Analysis and Recognition, 2001
Digital libraries create new services and open rare collections to a larger and wider audience. The development of online digital libraries in image mode is today limited by the narrow bandwidth of the network and the heavy storage requirements. Moreover, efficient networking of text content images requires specific compression schemes and particular ...
Frank Le Bourgeois, Hubert Emptoz, Eric Trinh, Jean Duong   +3 more
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Multimodal Document Image Classification

2019 International Conference on Document Analysis and Recognition (ICDAR), 2019
State-of-the-art methods for document image classification rely on visual features extracted by deep convolutional neural networks (CNNs). These methods do not utilize rich semantic information present in the text of the document, which can be extracted using Optical Character Recognition (OCR).
Rajiv Jain, Curtis Wigington
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Image extraction in digital documents

Journal of Electronic Imaging, 2008
Images included in documents usually provide information that may not be readily expressible by words. For example, academic articles with similar pictures may be of interest for researchers. We deal with the problem of extracting images in digital document. Given a digital document, the optimal block size is first determined by finding the best fit of
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A Document Image Retrieval System

Engineering Applications of Artificial Intelligence, 2010
In this paper, a system is presented that locates words in document image archives. This technique performs the word matching directly in the document images bypassing character recognition and using word images as queries. First, it makes use of document image processing techniques, in order to extract powerful features for the description of the word
Konstantinos Zagoris, Ergina Kavallieratou, Nikos Papamarkos   +2 more
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Binarization of MultiSpectral Document Images

2015
This work is concerned with the binarization of document images caputured by MultiSpectral Imaging MSI systems. The documents imaged are historical manuscripts and MSI is used to gather more information compared to traditional RGB photographs or scans.
Fabian Hollaus, Markus Diem, Robert Sablatnig   +2 more
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Edge noise in document images

Proceedings of The Third Workshop on Analytics for Noisy Unstructured Text Data, 2009
A degradation model that describes many image degradations produced by desktop scanning is used to study the edge noise that is present in bilevel document images. The standard deviation of the additive noise does not adequately describe the noise present after the image is converted to a bilevel image.
McGillivary, Craig, Hale, Chris, Barney Smith, Elisa H.   +2 more
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Conservative preprocessing of document images

International Journal on Document Analysis and Recognition (IJDAR), 2016
Many preprocessing techniques intended to normalize artifacts and clean noise induce anomalies in part due to the discretized nature of the document image and in part due to inherent ambiguity in the input image relative to the desired transformation. The potentially deleterious effects of common preprocessing methods are illustrated through a series ...
Jin Chen 0005, Daniel P. Lopresti, George Nagy   +2 more
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Curved document image rectification

2017 International Conference on Advances in Computing, Communications and Informatics (ICACCI), 2017
Digitization of documents has gained prominence in the recent past for data preserving. Paper documents can be converted to digital form by using various modes of acquisition techniques. In this paper processing of data captured using normal digital camera has been considered.
Dhanya M. Dhanalakshmy, Hema P. Menon
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Image processing of forensic documents

Proceedings of 3rd International Conference on Document Analysis and Recognition, 2002
Since the middle of the seventies, a number of research projects have been developing computer assisted methods for work in forensic document examination. Special programs have been developed and commercial software has been adapted to the practical requirements of this work as well. The paper discusses a number of European image processing systems and
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