Spiros Michalakopoulos

Learn More
0747-5632/$ see front matter 2012 Elsevier Ltd. A http://dx.doi.org/10.1016/j.chb.2012.03.019 ⇑ Corresponding author. Present address: Universit imental Psychology, 12a Priory Road, Bristol BS8 1TU 117 3317898. E-mail address: groen.martin@gmail.com (M. Groe Video-mediated communication (VMC) has become a popular communication medium. However, research to(More)
An interesting problem in musicology is to classify songs according to rhythms. A rhythm is represented by a sequence of " Quick " (Q) and " Slow " (S) symbols, which correspond to the (relative) duration of notes, such that S = 2Q. Recently, Christodoulakis et al. [3] presented an efficient algorithm that can be used to classify musical texts according to(More)
Three problems that arise from electrocardiogram (ECG) interpretation and analysis are presented, followed by algorithmic solutions based on a combinatorial model. First, the beat classification problem is discussed and possible solutions are investigated. Secondly, given the R R-intervals, which can be determined using this combinatorial model, or any Q R(More)
A combinatorial model for analyzing and interpreting an electrocardiogram (ECG) was presented in [Allali et al. '10] and [Iliopoulos &#38; Michalakopoulos '09 and '10]. An application of the model is <i>QRS</i> peak detection and the resulting algorithm was shown to be space, as well as time efficient. Experimental results on the MIT-BIH Arrhythmia database(More)
Motivated by the identification of the musical structure of pop songs, we introduce combinatorial problems involving overlays (non-overlapping substrings) and the covering of a text t by them. We present 4 problems and suggest solutions based on string pattern matching techniques. We show that decision problems of this type can be solved using an(More)
The conference focused on stringology and related topics. Stringology is a discipline concerned with algorithmic processing of strings and sequences. The papers submitted were reviewed by the program committee and twenty were selected for presentation at the conference, based on originality and quality. This volume contains not only these selected papers(More)