Theses and dissertations: Recent submissions
Now showing items 621-640 of 1148
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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. ... -
Ultra wide band dielectric resonator array antenna
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Wireless communication play a imported role in our daily life. Present scenario of communication, all wired ones becoming as wireless. So, to achieve efficient and affordable communication in wireless technology, compact ... -
Performance enhancement of a pipelined architecture using backup FF
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Commonly used devices like computers and mobile phones demand faster processors. These devices need to live up to the ever growing demand of consumers for performance. Special techniques like Pipelining and Superscalar ... -
Automated sparql generation
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Observing the last decade, semantic data on web is increasing exponentially with time and it has become difficult for amateur users to retrieve information. An enhancement of the existing web is semantic web where semantics ... -
D-latch based low power memory design
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Low power consumption is the main attraction of the digital circuit design in the Sub threshold region of operation. In this region of operation less energy is consumed for active operation and less leakage power is ... -
Single electron transistor based 4-bit ALU design, simulation and optimization
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Objective of this thesis work is to create and optimize Single Electron Transistor(SET) based digital design. In present era for electronics, alternative approaches, other than CMOS (like SET,finFET,quantom dot) are much ... -
All-digital time based analog-to-digital converter and time-to-digital converter
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)The goal of this thesis is to design a fully digital sensor interface. For this, a time-based analog to digital converter and time to digital converter has been investigated. It is concluded that fully digital time-based ... -
GPU-accelerated method of moments
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)This work considers the use of commodity graphics processing units (GPUs) for accelerating run-time critical phase of method of moments (MoM) which is a widely used computational electromagnetic (CEM) technique for solving ... -
Hardware-software design of real-time MPEG-2 video encoder
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)The goal of this thesis is to analyze how MPEG-2 encoder can be optimized for real-time streaming applications Hw/Sw design re-configurable platform is chosen, where part of algorithm runs on CPU or on re-programmable ... -
Low-rank and sparse decomposition of compressively-sensed matrices: applications to surveillance video processing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Detection, recognition and tracking are three of the primary tasks involved in surveillance video processing. Given the huge amount of data generated by surveillance systems, it is desirable to use compressed sensing ... -
Single precision floating point matrix multiplier using low power arithmetic circuits
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)The main objective of this thesis work is to implement a Single Precision Floating Point Matrix Multiplier with the help of basic low power arithmetic circuits. Such circuit can be used in various digital signal processing, ... -
Hardware software co-design of software defined radio
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)System on Chip are processor centric platform that offer hardware, software and I/O programmability on a single chip. A SoC basically consists of two parts - The Processing System and Programmable Logic. Processing System ...