@conference {
	title = {Robust Free-Text Speaker Identification Over Long Distance Telephone Channels},
	author = {Kao, Yu-Hung., Rajasekaran, P K. , Baras, John S.},
	year = {1992},
	month = {10/1992},
	abstract = {Usable free-text speaker identification and voice verification systems must exhibit robustness under varying Operational conditions. We study the degree of robustness provided by various signal processing techniques [1] [2] [3] by experimenting on a widely used long distance telephone data base [4] [5]~[6]. This data base consists of data recorded at two different sites, with data from one site much poorer in quality than the other; further, the recording equipment had been inadvertently changed for the later half of the sessions resulting in a significantly changed environment. Our study identifies the combination of techniques that provide consistent and significant improvements, our results surpass other published results [4] [5]~[6] on the same task. Specifically, in the task of identifying 16 speakers, with training data from the recording prior to equipment change and testing on data from a set after the change (the most challenging condition), we obtain a correct identification rate of 87.5\% with an average rank of 1.12; [4]~obtains the hitherto best result of 75\% correct identification with an average rank of 1.56; without any robustness processing, the rate was only 12\%. Detailed results on exhaustive experimentation are presented along with appropriate discussions.},
	address = {Piscataway, New Jersey},
	booktitle = { IEEE Workshop on Interactive Voice Technology for Telecommunications Applications},
	pages = {pp. 1-5}
}
@conference {
	title = {Hybrid (Satellite and Terrestrial) Communication Networks:  Object Oriented Generic Tools for Simulation and Management},
	author = {Baras, John S., Charuhas, Thomas.},
	year = {1992},
	month = {10/1992},
	abstract = {We describe a generic object oriented software environment for the simulation and management of hybrid communication networks (satellite and terrestrial) under development at the University of Maryland, as part of the NASA CCDS program. We refer to this environment as a "systems engineering workstation for hybrid networks". It will have the capability to model such networks in a totally object oriented environment and link to network performance evaluation modules. Satellites are treated both as electronic/mechanical systems and as communication nodes. Great flexibility is allowed for defining the various components of the satellite, including its type (i.e. LEO or GEO), on board processing capabilities, bandwidth, multiple access scheme, linkage to terrestrial networks. The satellite link is also treated as an object allowing great flexibility in modeling weather effects, multipath interference and coverage. We show the system{\textquoteright}s flexibility in studying combined adaptive routing and access for voice-data large hybrid networks.},
	address = {San Diego, California},
	booktitle = {1992 IEEE MILCOM Conference},
	pages = {pp. 0553-0559}
}
@conference {
	title = {The Parametric Wavelet Maxima Representation},
	author = {Berman, Zeev., Baras, John S., Berenstein, Carlos A.},
	year = {1992},
	month = {10/1992},
	abstract = {A general signal description, called an inherently bounded Adaptive Quasi Linear Representation (AQLR), motivated by two important examples, namely, the wavelet maxima representation, and the wavelet zero-crossings representation, is introduced. This paper presents a new reconstruction scheme based on the minimization of an appropriate cost function. The convergence of two described algorithms is guaranteed for all inherently bounded AQLR. As a consequence, we describe possible modifications in the basic multiscale maxima representations.},
	address = {Victoria, British Columbia, Canada},
	booktitle = {IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis},
	pages = {pp. 59-62}
}
