Now showing items 47-66 of 73

    • Micro-level drought preparedness with information management and rural knowledge centres: a framework to support rural farm families 

      Guntuku, Dileepkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      Drought and desertification are serious problems that significantly affect hundreds of millions of people and ecosystems. When drought occurs, the farm communities are usually the first to be affected because of their heavy ...
    • Microblog processing : summarization and impoliteness detection 

      Modha, Sandip Jayantilal (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      Social Media is an excellent source for studying human interaction and behavior. Sensing social media such as Facebook and Twitter, by the smart autonomous application empower its user community with real-time information ...
    • Microwave Imaging for Breast Cancer Detection using 3D Level Set based Optimization, FDTD Method and Method of Moments 

      Patel, Hardik Nayankumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      Microwave imaging is emerging as new diagnostic option for breast cancer detection because of non-ionizing nature of microwave radiation and significant contrast between dielectric properties of healthy and malignant breast ...
    • MMIC based high power transmit/receive and receive protection switches with integrated LNAs 

      Rao, Ch. V. Narasimha (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      The conventional high power microwave signal switching component is the Silicon/GaAs PIN diode, while the recently GaN pHEMT devices are being used for this application. GaAs FET, used as switching element as a PIN diode ...
    • Modeling performance and power matrix of disparate computer systems using machine learning techniques (Modeling Compiler Systems Selection) 

      Mankodi, Amit (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 features play a vital role in determining the performance and power of a ...
    • Multi-modal design of an intelligent transportation system 

      Chaturvedi, Manish Shivshankar (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      An Intelligent Transportation System (ITS) plays a major role in generating ne grained vehicular tra c information for city wide or larger region. The real time tra c informa-tion is used to optimize tra c movement in a ...
    • New techniques for spatial resolution enhancement of hyperspectral images 

      Patel, Rakeshkumar Chandulal (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      Vision plays a central role for human perception and interpretation of the world. With the beginning of the space age during late 1950s presented opportunities for remote sensing of earth resources [1]. Multispectral sensors ...
    • Novel approaches for spectral unmixing of hyperspectral data 

      Bhatt, Jignesh Shashikant (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      This thesis addresses the problem of spectral unmixing of remotely sensed hyperspectral data. The spectral unmixing has the objective of quantifying the reectance properties of di_erent materials on the earth. Complete ...
    • Novel techniques for auto-inpainting in heritage reconstruction 

      Gajanan, Padalkar Milind (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Digital reconstruction of ruined historic monuments and heritage sites can help in visualizing how these may have existed in the past. Also, such a process requires no physical alteration to the existing monuments. This ...
    • On curve reconstruction in Riemannian Manifolds: ordering motion frames 

      Shah, Pratik (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      In this work we generalize the computational geometric curve reconstruction approach to curves embedded in Riemannian manifolds. We prove that the minimum spanning tree, given a sufficiently dense sample, correctly ...
    • On designing DNA codes and their applications 

      Limbachiya, Dixita (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      Bio-computing uses the complexes of biomolecules such as DNA (Deoxyribonucleic acid), RNA (Ribonucleic acid) and proteins to perform the computational processes for encoding and processing the data. In 1994, L. Adleman ...
    • On heterogeneous distributed storage systems: bounds and code constructions 

      Gopal, Krishna (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      In Distributed Storage Systems (DSSs), usually, data is stored using encoded packets on different chunk servers. In this thesis, we have considered heterogeneous DSSs in which each node may store a different number of ...
    • On large scale near-independent blind source separation 

      Choithram, Dharmani Bhaveshkumar (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 ...
    • Peer-to-peer communication in mobile social network 

      Narmawala, Zunnun A. Raoof (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Peer-to-peer opportunistic communication between mobile devices carried by humanswithout using any infrastructure is largely unexploited. As these devices are carried byhumans, their encounter pattern depends on human ...
    • Privacy and accountability in cloud computation and storage 

      Gajera, Hardik (Dhirubhai Ambani Institute of Information and Communication Technology, 2021)
      Cloud computing is a cost-effective computing paradigm for convenient, ondemand data access to a shared pool of configurable computing resources such as networks, servers, storage, applications, and services. While providing ...
    • Secure and efficient dealing with node capture attack in wireless sensor networks 

      Agrawal, Sarita (Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
      Wireless Sensor Networks (WSN) have found enormous applications in various areas of day-to-day life such as in health-care, battle-field surveillance and disaster management. The communication amongst the sensor nodes ...
    • Set labelling vertices and study of auxiliary graphs 

      Jadeja, Mahipal Prithvisinh (Dhirubhai Ambani Institute of Information and Communication Technology, 2018)
      Given a set of nonempty subsets of some universal set, their intersection graph is defined as the graph with one vertex for each set and two vertices are adjacent precisely when their representing sets have non-empty ...
    • Signal processing methods for robust heart rate estimation from multimodal physiological signals 

      Rankawat, Shalini A. (Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
      Cardiovascular diseases are the major cause of world-wide mortality. Heart rate (HR) and heart rate variability (HRV) are important health parameters to monitor functioning of heart of cardiac patients. Multimodal physiological ...
    • Similarity preserving dimensionality reduction for image data 

      Shikkenawis, Gitam (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Data collection and storage capabilities have increased manifold in last few decades,leading to information overload. Number of variables used to represent each data observation is called dimension of the data and dealing ...
    • Some new methods for multi-resolution image fusion 

      Upla, Kishorkumar Parsottambhai (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      It is always an interest of a mankind to explore the various resources of the earth such as minerals, agriculture, forestry, geology, ocean etc., Before the invention of the remote sensing, in order to analyze the various ...