Browsing M Tech Dissertations by Title
Now showing items 516-535 of 820
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NL2DL: a platform for formal ontology learning and evaluation.
(Dhirubhai Ambani Institute of Information and Communication Technology, 2013)Availability to reason for extraction of knowledge makes Ontology Learning subject of intensive study for past couple of years. With the scaling of the domain, time taken to manually conceptualize the domain knowledge ... -
Non-Orthogonal Multiple Access
(2021)At present, the spectrum available in wireless communication systems is limited. To meet the high demands in fifth-generation (5G) wireless communication systems, Non-orthogonal multiple access (NOMA) has been introduced. ... -
Non-uniform information dissemination for performance discovery in computational grids
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)The required service in any resource-sharing environments like Grid, Peer-to-Peer etc., is discovery of resources. A resource discovery mechanism returns locations of resources that match the description, given a description ... -
Nonuniform sampling and its reconstruction methodologies
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)Alias-free DSP (DASP) is a methodology of processing signals digitally inside bandwidth that are wider than the famous nyquist limit of half of the sampling frequency. This topic has benefited from a strong research revival ... -
Novel 7T SRAM cell design for low power cache applications
(Dhirubhai Ambani Institute of Information and Communication Technology, 2012)Scaling in integrated circuit technology directly paves way to increased package density, thereby increasing onchip power. With continuous scaling, low power design techniques results in efficient use of silicon die. ... -
Novel approach for localization in Ad-Hoc sensor networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2004)The ability of a sensor node to move itself or to otherwise influence its location will be critical in sensor networks. Today, the wireless community is putting great effort on the possibility of deploying thousands of ... -
Novel architecture for a CMOS low noise amplifier at 2.4 GHz
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)Radio frequency design has been one of the major research areas in the recent past. Emergence of several Wireless Communication standards has demanded availability of different analog blocks for use in transceivers with ... -
Novel circular fractal antenna array
(Dhirubhai Ambani Institute of Information and Communication Technology, 2018)Traditional antennas work well only for one resonant frequency and using multiple antennas for different frequencies is a complex task, therefore multiband circular fractal antenna was designed which have a small size and ... -
Novel filtering based approach for epoch extraction
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Accurate estimation of source excitation features is important in many speech analysis-synthesis applications. According to source-filter theory, separating source features from speech signal is basically a deconvolution ... -
Novel local oscillator circuit for sub-harmonic mixer
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)Direct Conversion RF transceiver is the enabling technique for the next generation cellular and personal communication devices striving for miniaturization, long life of battery and cost effectiveness. Existing techniques ... -
Novel nonlinear prediction-based features for spoofed speech detection
(Dhirubhai Ambani Institute of Information and Communication Technology, 2016)Automatic Speaker Verification (ASV) systems are prone to various spoofing attacks.<p/>Spoofing is one type of technique in which fake speech signal is given to<p/>the ASV system to get the access of that system without ... -
Numeral identification of handwritten indian languages
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)Automatic Speaker Verification (ASV) systems are prone to various spoofing attacks.Spoofing is one type of technique in which fake speech signal is given tothe ASV system to get the access of that system without the ... -
OBD based emission test and fleet management system
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)"Electronics is getting indispensable part of the vehicluar technology. With the advancement in the vehicular technology, On-board diagnostic (OBD) emission checks are included in Inspection/ Maintenance (I/M) program. ... -
Object classification in images using information slicing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)Human visual system, in real world, identifies objects by their shapes, sizes and colors. More than often we identify objects around us specifically by using contextual knowledge of the objects. For example, an area of ... -
Object classification of remotely sensed images using deep learning
(Dhirubhai Ambani Institute of Information and Communication Technology, 2016)Object classification of remotely sensed images is one of the fundamental tasksto perform various operations such as land planning, traffic monitoring, urbanmonitoring, disaster control and weather forecasting, etc. There ... -
Object Recognition using Self Learned Features
(Dhirubhai Ambani Institute of Information and Communication Technology, 2016)A great deal of research has been centered around developing algorithms forlearning features from unlabelled information. Much advance has been made onbenchmark datasets by utilizing progressively complex unsupervised ... -
Object segmentation in still camera videos
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)The goal of object segmentation is to simplify and change the representation of an image into more meaningful so that it can easily analyse. Segmentation is the process of partitioning the digital image into multiple ... -
Object-background segmentation from video
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Fast and accurate algorithms for background-foreground separation are an essential part of <p/>any video surveillance system. GMM (Gaussian Mixture Models) based object segmentation <p/>methods give accurate results for ... -
Objective evaluation of speech quality of text-to-speech (TTS) synthesis systems
(Dhirubhai Ambani Institute of Information and Communication Technology, 2013)Since the use of Text-to-Speech (TTS) technology is increasing, there is a high demand of TTS system that can produce natural and intelligible voice in any environments. In order to improve speech synthesis system, synthesized ... -
Oblique projection operator
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)This thesis presents the understanding usefulness of Oblique Projector in signal processing like signal recovery, signal representation and reconstruction. This thesis also presents the different recursive oblique projector ...