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Study of fuzzy clustering algorithms and enhanced fuzzy reasoning application to texture based image segmentation
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
c-means (k-means) is a popular algorithm for cluster analysis. Many variants of
c-means algorithms are available. All these models are studied in depth and convergence
of iterative solutions are verified, in this thesis. ...
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. ...
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 ...
On large scale near-independent blind source separation
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
The thesis addresses Blind Source Separation (BSS) in Large Scale (LS) and near-Independent
(nI) sources scenario. The large scale in BSS imply number of unknown sources ranging from 15 to 140, so that the corresponding ...
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 ...
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. ...