M Tech Dissertations: Recent submissions
Now showing items 461-480 of 923
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Acoustic-to-articulatory inversion: speech quality assessment and smoothness constraint
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)The ability of humans to speak effortlessly, require coordinated movements of various articulators, muscles, etc. This effortless movement contributes towards naturalness, intelligibility and speaker identity in human ... -
Hot and cold data identification using query aware hybrid partitioning
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)The price of main memory is reducing with time, which helps to store huge amount of data in the memory. OLTP applications have large database size. It is observed that some applications exhibit skewed access pattern i.e. ... -
Privacy preservation in vehicular ad-hoc networks (VANETs)
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Vehicular Ad-hoc Networks (VANETs) are the special application of Mobile Ad-hoc Networks (MANETs). Due to increase in the number of road accidents, VANETs provide security to road traffic by sending safety messages to other ... -
Readability of hyperlinked data with experiments on school textbooks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Readability is the ease with which a text can be read and understood. Readability is a central concept while reviewing texts and directly impacts the utility of a particular text. If the information is available in several ... -
Distributed meeting scheduling using vehicular-social network
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)The importance of vehicular communication and intelligent transportation systems is increasing manifold these days; especially due to the fast growing support technologies. Social networking is also an emerging system ... -
Spectrum sensing in cognitive radio using quickest change detection framework
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Spectrum sensing is a term associated with detection of primary (licensed) users (PU) by secondary (unlicensed) users (SU) to pursue opportunistic transmission of their data. The problem of spectrum sensing is challenging ... -
Wideband active mixer with high gain and high linearity
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)An active mixer is presented with improved conversion gain and linearity over a wide range of frequency. The mixer is combined with a low noise amplifier which not only provides braodband input matching but also cancels ... -
Study of communication schemes for multiple neural processing nodes
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Over the past few years variety of hardware for implementing Artificial Neural Networks (ANN) has been designed. The most basic approach to speed up any ANN algorithm, is to parallelize processing. However, the existing ... -
Schema based indexing for namespace mapping of raw sparql and summarization of lod
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Linked open data(LOD) in Semantic Web is growing day by day. There are datasets available that can be used in different application. However, identifying useful dataset from cloud, determining the quality and obtaining ... -
Heuristic approach for segment based pairwise sequence alignment in bioinformatics
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)0 -
Microwave imaging of a 36-cell human body by moment method formulation
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Estimation of a complex permittivity is achieved using the moment method formulation of electric field integral equation. In addition to numerical results for three dimensional biological bodies, thesis also describes ... -
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 ... -
Application of network coding in wireless sensor and relay based ad hoc networks
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Network Coding (NC) is a new area which brings radical change in the way we treat information flow in networks. NC considered being a layer 3 operation has been shown to improve the throughput of wired networks especially ... -
Heuristics for pair-wise sequence alignment
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Develop framework for pairwise alignment of given two sequences based on their feature. There may be situation in which sequences look different but share common structure, function or evolutionary related information. ... -
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 ... -
Road detection for intelligent transport systems
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Road detection is an important machine vision problem with applications to driver assistance systems and autonomous vehicles. We carried out a literature survey of the state of the art road detection algorithms. Simulations ... -
Spectro-temporal features based automatic speech recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)ASR technology has found its application in almost every field in life. Today‟s world cannot be considered as noise-free and deploying ASR technology in such environments would incorporate the challenge to deal with various ... -
Active sub-harmonic mixer
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)A superheterodyne receiver is commonly used receiver, but its main problem is its large size. To increase the integration and reduce the size of the receiver, the concept of direct conversion receiver came in the picture. ... -
Precision agriculture using wireless sensor network
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Farming practices should evolve with the rapid increase in population. Recent growth in wireless sensor network (WSN) has the capability to meet this objective. Better quality in crop production can be achieved using ... -
Summarizing medical texts for effective retrieval
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)User centered health information retrieval is a challenging and important problem in information retrieval. In this work, we apply medical resources to bridge the vocabulary mismatch between lay-users and medical documents. ...