Papers by Marco Mezzalama
Mediterranean Electrotechnical Conference, 1983
Mediterranean Electrotechnical Conference, 1981
European Conference on Circuit Theory and Design, 1981
International Symposium on Circuits and Systems, 1983
Proceedings of SPIE, Nov 1, 1982
ABSTRACT An improved system for eye movement automated analysis is presented. The program (NOUS: ... more ABSTRACT An improved system for eye movement automated analysis is presented. The program (NOUS: Nystragmus Off-line Understanding System) specially designed for electronystagmographic recording interpretation in clinical use, relies - as the key element - on the "fast phase" recognition obtained through some tests performed on the instant eye angular velocity, sampled at 100 Hz rate. However, a major improvement was introduced, consisting in the modelling of a "finite state automaton" through which each sample is processed before its definitive interpretation. The Authors discuss about a) the characteristics of this automaton dictated by the physiological pattern of vestibulooculomotor neuronal organization and eyeball mechanical properties and b) the kinds of artifacts that are correctly identified and rejected.
L'esistenza di malware (virus, worm, cavalli di Troia) è uno degli aspetti negativi più rilevanti... more L'esistenza di malware (virus, worm, cavalli di Troia) è uno degli aspetti negativi più rilevanti della rivoluzione digitale, con risvolti penali e economici. Il fenomeno coinvolge anche il settore dei dispositivi mobili (smartphone, tablet, …) in cui si è passati da circa 2000 malware nel 2011, a più di 13000 nel 2012. Questo articolo analizza le tecniche per realizzare malware e permettere allo stesso di introdursi nei sistemi, rendersi residente, prenderne il controllo ed attivarsi a fronte di certi eventi, nascondendosi contemporaneamente ai programmi anti-virus. L'analisi considera sia i normali personal computer sia i più recenti dispositivi mobili.
International Symposium on Circuits and Systems, 1983
PART is a system for PLA testing and design verification, intended to be properly interfaced with... more PART is a system for PLA testing and design verification, intended to be properly interfaced with other existing tools to generate VDD a comprehensive design environment. To this purpose, it provides several facilities, among which the capability of generating a fault population x, on the basis of layout information. PART aims at producing a very compact test set for all detectable crosspoint defects, using limited amounts of run time and storage. This is achieved by means of an ef• ficient partitioning algorithm together with powerful heuristics. Test minimaJity is ensured by a simple procedure. In the present paper these are discussed, experimental results are given and a comparison with competing strategies is made.
Pattern Recognition, 1977
Speech prosody contains an important structural information for performing speech analysis and fo... more Speech prosody contains an important structural information for performing speech analysis and for extracting syntactic nuclei from spoken sentences. This paper describes a procedure based on a multichannel system of epoch filters for recognizing the pulses of glottal chord vibrations by an analysis of the speech waveform. Recognition is performed by a stochastic finite state automaton automatically inferred after experiments. Speech understanding Speech analysis Speech recognition Prosody analysis Epoch filters Syntax of spoken sentences Grammatical inference Stochastic automata
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Apr 1, 1984
PART is a system for PLA testing and design verification, intended to be properly interfaced with... more PART is a system for PLA testing and design verification, intended to be properly interfaced with other existing tools to generate VDD a comprehensive design environment. To this purpose, it provides several facilities, among which the capability of generating a fault population x, on the basis of layout information. PART aims at producing a very compact test set for all detectable crosspoint defects, using limited amounts of run time and storage. This is achieved by means of an ef• ficient partitioning algorithm together with powerful heuristics. Test minimaJity is ensured by a simple procedure. In the present paper these are discussed, experimental results are given and a comparison with competing strategies is made.
Euromicro Newsletter, Mar 1, 1978
ABSTRACT The paper deals with the design strategy of a real-time multitasking executive for micro... more ABSTRACT The paper deals with the design strategy of a real-time multitasking executive for microprcessor-based process control.Process coordination is achieved by means of synchronazing primitives in terms of SEND and RECEIVE functions. The mechanisms used in Operaing system on mini and large computer systems are discussed and their implementation in microprocessor environment is emphatized.The different implementation of critical regions, taking into account the duration of their execution time, and the design strategy of an on-line command decoder are analyzed in details.
IFAC Proceedings Volumes, Jun 1, 1988
This paper presents the introduction of A rtificiallntelligence (AI) techniques into the field of... more This paper presents the introduction of A rtificiallntelligence (AI) techniques into the field of Computer-Aided Testing (CAT) and Computer-Aided Repairing (CAR). Such techniques are useful since it is increasingly important to improve the diagnostic capabilities of Automatic Test Equipments (ATE) and AI seems a suitable response. The overall goal is to set up Test/Repair environments which guarantee not only high diagnostic capability, but also high productivity. The system presented in this paper is based on a loop Tester-> Repair Station-> Tester, In a conventional approach, data coming from a Repair Station are not used to improve the Tester's performances. In our solution, data are first validated by the Tester and successively processed in order to gather new knowledge about real cases. Such knowledge is learned by the Tester to improve its symptom interpretative capabilities. Two methodological aspects are relevant in this approach: the knowledge the Tester receives from the Repair Station and the knowledge the Tester itself needs to learn from experience. It is consequently necessary to organize knowledge in suitable knowledge bases and to use it with a proper reasoning mechanism. AI techniques are used to achieve both goals: from one hand they allow us to formalize the problem in a rigorous way, from the other hand they facilitate the generation of an open system, in which the introduction of new diagnostic rules is easy and where a real feedback from the industrial testing environment is possible. Thus, AI contributes to the improvement of diagnostic capabilities in a twofold way: it helps the ATEs in overcoming symptom ambiguity and in learning from experience how to modify the fault finding procedures.
Software - Practice and Experience, Nov 1, 1982
ABSTRACT The paper addresses the problem of automating microprogram generation, starting from a h... more ABSTRACT The paper addresses the problem of automating microprogram generation, starting from a high-level language (namely from a subset of PL/1). The microprogram synthesis process is structured in four steps in a highly hierarchical way; each step may be viewed as an independent process which uses formal representations for both data (i.e. the input program) and machine specifications. The translation system is based on a microcode model built on a formal definition of microoperations, microinstruction semantics, and relationships among microinstructions.
IEE proceedings, 1990
... differ from direct methods in the following ways: (a) The concept of radix does not ... in Re... more ... differ from direct methods in the following ways: (a) The concept of radix does not ... in Reference 6 among the Newton-Raphson algorithm (and its derivations) the CORDIC method, the ... 4 Normalisation techniques The first contribution to this class of algorithms was sup-plied from ...
RETI ELETTRICHE E DIGITALI.Come viaggiano l'energia e l'informazione. Alla base di queste... more RETI ELETTRICHE E DIGITALI.Come viaggiano l'energia e l'informazione. Alla base di queste infrastrutture che permeano la societa contemporanea esistono complessi sistemi di produzione e distribuzione che modificano ambienti, territori e modelli comportamentali
... struttura di rete si comprende come la sicurezza della rete informatica sia con-dizione neces... more ... struttura di rete si comprende come la sicurezza della rete informatica sia con-dizione necessaria per la sicurezza del sistema e del patrimonio aziendale. Marco Mezzalama Edoardo Calia SICUREZZA E BUSINESS IN RETE 36 3.7 Page 2. 1.1. ...
International Symposium on Information Processing, 1978
Mediterranean Electrotechnical Conference, 1983
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Papers by Marco Mezzalama