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Algorithms 2012, 5, 30-49; doi:10.3390/a5010030 OPEN ACCESS algorithms ISSN 1999-4893 /journal/algorithms Article Standard and Specific Compression Techniques for DNA Microarray Images ´ 1, 1 1,2 Miguel Hernandez-Cabronero *, Ian Blanes , Michael W. Marcellin and ` 1 Joan Serra-Sagrista 1 ` Department of Information and Communications Engineering, Building Q, Universitat Autonoma de ` Barcelona, Bellaterra, Cerdanyola del Valles, 08193 Barcelona, Spain 2 Department of Electrical and Computer Engineering, The University of Arizona, 1230 E Speedway Blvd, Tucson, AZ 85721-0104AZ, USA Author to whom correspondence should be addressed; E-Mail: mhernandez@deic.uab.cat. Received: 14 November 2011; in revised form: 22 January 2012 / Accepted: 22 January 2012 / Published: 14 February 2012 Abstract: We review the state of the art in DNA microarray image compression and provide original comparisons between standard and microarray-specific compression techniques that validate and expand previous work. First, we describe the most relevant approaches published in the literature and classify them according to the stage of the typical image compression process where each approach makes its contribution, and then we summarize the compression results reported for thes