PhD Theses: Recent submissions
Now showing items 1-20 of 87
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Computational and Data Driven Approaches for Investigation of Microwave-Plasma Interaction
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)Microwave-plasma interaction and High power microwave (HPM)breakdown involving plasma formation have been studied theoreticallyas well as experimentally since the 1950s for a wide variety of applications.Microwave plasma ... -
Water Footprint in the Context of Urban Water Management: Challenges and Opportunities
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)Water, a crucial resource in preserving the ecology in good shape, has becomescarce. Water footprint (WF) measure has been proposed in the literature to understandthis prevailing water crisis. The WF, which consists of ... -
Desertification characterization using predictive soil modelling and pattern recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)This thesis presents a hierarchical methodology for land degradation mapping,land use land cover classification, degradation process identification and map-ping using multispectral LISS-3 images. The study aims to demonstrate ... -
Feature for Live and Spoofed Speech Detection
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)The authorization to access specific information is given by a biometric system.Biometric systems are used for security purposes in a way that they prevent unauthorized access to important information or data (information ... -
Design of Quasi-periodic and Aperiodic Array Lattices to Improve Array Antenna Performance
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)The thesis addresses one of the possible solutions to the grating lobe occurrence in the beam steerable periodic arrays for large angular beam scans. The controlled aperiodicity has been introduced to the periodic array ... -
Heavy Metal Detection in Crops and Soil Clay Mineral Abundance Mapping using Hyperspectral Data
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)Presence of heavy metal in crops is an indicator of environmental pollution. Theheavy metals found in the plant indicate that the specific metal exists in the terrestrialenvironment. These metals affect leaves� spectral ... -
Handcrafted Features for Anti-Spoofing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)Amongst various biometrics, voice is the most natural and convenient way of the communication for human-machine interaction. To that effect, the use of AutomaticSpeaker Verification (ASV) for authentication is increasing ... -
QoS-aware Task Allocation and Scheduling in Cloud-Fog-Edge Architecture with Proactive Migration Strategy
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)The vision of the Internet of Things (loT) is made possible by advancements in sensor technologies, smart devices, wearable gadgets, and communication paradigms. IoT Service Providers (loSPs) provide loT services such as ... -
Resource Utilization for Raw Data Query Processing : Optimizing Required Resources & Maximizing Utilization of Existing Resources
(Dhirubhai Ambani Institute of Information and Communication Technology, 2023)Scientific experiments and modern applications generate large amount of dataevery day. Many such applications store the data in raw format initially, as theschema is not known. The traditional database management system ... -
Study of frames in Hilbert C?-modules and their representation as regular k-distance sets
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)The definition of basis in the study of vector space is very antagonistic. As a resultof that, one might look for a prominent substitute. Frames are such a notion, asthe linear independence between the frame elements is ... -
Modeling performance and power matrix of disparate computer systems using machine learning techniques (Modeling Compiler Systems Selection)
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)In the last couple of decades, there has been an exponential growth in the processor,cache, and memory features of computer systems. These hardware featuresplay a vital role in determining the performance and power of a ... -
Investigation of plasma transport across magnetic filter in low temperature plasmas using 2D-3V PIC-MCC simulations: application to negative ion sources
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)The LTP (hydrogen) based negative ion source plays an important role inthe neutral beam injection system - one of the primary means of plasmaheating in magnetic fusion. In this thesis, we have performed PIC-MCCbased ... -
Study of Cubelike Graphs for Parallel and Quantum Computation
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)In this thesis, we study Cayley graphs over Znr for their utility in multiprocessorcomputing and quantum computing. For multiprocessor computing, we investigateproblems of graph embedding on cubelike interconnection networks ... -
Some New Techniques for Motion-free Super-resolution
(Dhirubhai Ambani Institute of Information and Communication Technology, 2010)Digital image processing has exhibited a tremendous growth during past decades in termsof both the theoretical developments and applications. At present, image processing andcomputer vision are the leading technologies in ... -
Design and Analysis of Privacy Models against Background Knowledge in Privacy - Preserving Data Publishing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2021)"Humongous amount of data gets collected by various online applications like social networks, cellular technologies, the healthcare sector, location - based services, and many more. The collected data can be accessed by ... -
Copy-Move Tampering: Some New Approaches of the Detection and Localization in a Digital Image
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)Images speak. They tell us stories. Digital images carry plethora of information. The availability of cost-effective digital camera-enabled devices has made capturing images a child’s play. Statistics witnesses that the ... -
Entity Based Query Processing For Retrieval And Summarization In Biomedical Domain
(Dhirubhai Ambani Institute of Information and Communication Technology, 2021)Exponential growth of biomedical literature poses different challenges in searching. To address complex information needs of the users, rigorous semantic processing of biomedical text is required. Biomedical information ... -
Design of Broadband Microwave Absorbers using Carbonyl Iron Filled Silicon Rubber Sheets in the Frequency Range of 1 to 8.2 GHz
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)For microwave absorber applications, carbonyl iron (CI) powder is a commonly used filler material in silicon rubber because of the high value of attenuation coefficients (50.56 dB/cm), high curie temperature, good temperature ... -
Spatial and spectral regularization in unmixing of remotely sensed data
(Dhirubhai Ambani Institute of Information and Communication Technology, 2021)The hyperspectral imaging opens the broad possibilities for remote sensing data analysis with it’s rich spectral information. However, this has a trade-off with limited spatial details due to the presence of several hardware ... -
Compact Circularly Polarized Tri-, Dual- and Single-Band Dielectric Resonator Antennas
(Dhirubhai Ambani Institute of Information and Communication Technology, 2021)The Dielectric Resonator Antennas (DRAs) have received wide attention due to low loss, high radiation efficiency, small size, wider bandwidth and simple feed network as compared to the microstrip antennas. Microstrip ...