Joost+Batenburg

a Dutch computer scientist and mathematician with a M.Sc. in CS and Ph.D. in mathematics from Leiden University, researcher at [|Centrum Wiskunde & Informatica], [|Science Park Amsterdam], [|The Netherlands], and professor at Vision Lab, [|University of Antwerp], [|Wilrijk], [|Belgium]. His research interests include [|discrete] and [|electron tomography], [|combinatorial optimization], evolutionary algorithms, GPU computing for large-scale scientific computing, [|image processing], [|computer vision] and [|inverse problems]. He is member of the research team behind the //Little Green Machine//, a GPU [|Beowulf cluster]. || toc =Nonograms= Along with Walter Kosters, Joost Batenburg researches on Nonograms, picture logic puzzles where a pixel grid has to be filled with black and white pixels, based on a description that indicates the lengths of the consecutive black segments for each row and column. In this puzzle type, the numbers are a form of [|discrete tomography] that measures how many unbroken lines of filled-in squares there are in any given row or column. While the Nonograms that can be found in puzzle books can typically be solved by applying a series of highly local reasoning steps regarding single rows and columns, the general Nonogram problem is [|NP-hard].
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 * [[image:joostbtenburg.jpg link="http://homepages.cwi.nl/~kbatenbu/"]] ||~ || **Kees Joost Batenburg**,
 * Joost Batenburg ||~ ||^ ||

=Selected Publications=
 * Joost Batenburg (**2003**). //An evolutionary algorithm for discrete tomography//. M.Sc. thesis in Computer Science, Leiden University
 * Joost Batenburg (**2006**). //Network flow algorithms for discrete tomography//. Ph.D. thesis, Leiden University, advisors Robert Tijdeman, Herman te Riele
 * Joost Batenburg, Walter Kosters (**2009**). //Solving Nonograms by combining relaxations//. [|Pattern Recognition], Vol. 42, No. 8
 * Jonathan K. Vis, Walter Kosters, Joost Batenburg (**2011**). //Discrete Tomography: A Neural Network Approach//. [|pdf]
 * Joost Batenburg, Walter Kosters (**2012**). //Nonograms//. [|LIACS - Leiden Institute of Advanced Computer Science], [|pdf]
 * Joost Batenburg, Walter Kosters (**2012**). //On the Difficulty of Nonograms//. ICGA Journal, Vol. 35, No. 4

=External Links= > media type="youtube" key="GOpBlYx2H1o?rel=0" height="315" width="560"
 * [|Homepage of Kees Joost Batenburg (Centrum Wiskunde & Informatica)]
 * [|Joost Batenburg - LinkedIn]
 * [|The Mathematics Genealogy Project - Kees Joost Batenburg]
 * [|Escher and the Droste effect - Universiteit Leiden] » M. C. Escher, Recursion
 * [|Vici grant for Joost Batenburg | CWI Amsterdam | Research in mathematics and computer science], February 12, 2016
 * [|FASTRA II] official movie, [|YouTube] Video

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