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While most of state-of-the-art image processing techniques were built under the so-called classical linear image processing, an alternative that presents superior behavior for specific applications comes in the form of Logarithmic Type Image Processing (LTIP). This refers to mathematical models constructed for the representation and processing of gray tones images. In this paper we describe a general mathematical framework that allows extensions of these models by various means while preserving...
This paper describes several innovative PDF document enhancements and tools that can be used when building a digital library. The main result presented in this paper is the PDF re-compression tool, developed using the jbig2enc encoder called pdfJbIm. This re-compression tool enables the size of the original bitonal PDFs to be, on average, downsized by one third. Some modifications to the jbig2enc encoder that increase the compression ratio even further are also described here. Together with another...
This article presents the principal results of the doctoral thesis “Recognition of neume
notation in historical documents” by Lasko Laskov (Institute of Mathematics and Informatics at
Bulgarian Academy of Sciences), successfully defended before the Specialized Academic Council
for Informatics and Mathematical Modelling on 07 June 2010.Byzantine neume notation is a specific form of note script, used
by the Orthodox Christian Church since ancient times until nowadays for
writing music and musical...
We describe here how Tralics can be used to convert LaTeX documents into XML or HTML. It uses an ad-hoc DTD (a simplification of the TEI), but the translation of the math formulas is conforming to the presentation MathML 2.0 recommendations. We explain how to run and parametrize the software. We give an overview of the various MathML constructs, and how they are rendered by different browsers.
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