Theses and dissertations: Recent submissions

Now showing items 601-620 of 1148

    • Integrating semantics into biomedical information retrieval 

      Thakrar, Fenny (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Integrating semantics into Biomedical Information Retrieval is concerned with studying the meaning of concepts and focusing on their relationships. We have used semantic document representation approach to applying ...

    • Exact algorithm for segment based sequence alignment 

      Tailor, Divyesh (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      In bioinformatics, proteins, large biological molecules consisting long chain of amino acids, are described by a sequence of 20 amino acids. To analyze these protein sequences pairwise alignment is being used, which ...

    • Low-power pipelined crypto-core using a backup flip-flop 

      Patel, Sagar (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      With increasing clock frequencies, power-aware computing has become a critical concern in the VLSI design. One of the most effective and widely used method for lowering the power is DVS (Dynamic Voltage Scaling), which ...

    • Detection and localization of tampering in a digital medical image using discrete wavelet transform 

      Gadhiya, Tushar (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Use of digital images has increased tremendously in medical science as a diagnosis tool. It made investigation easier and quick. But at the same time it raises the question of authenticity of the image under scrutiny. ...

    • Analysis of nonlinearity in speech production mechanism for speaker verification: phase-based approach 

      Agrawal, Purvi (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Many of the real-world signal processing problems can be described using linear models, and can be realized as analog or digital filter, time-invariant filters; finite or infinite impulse response (IIR or FIR) filters. In ...

    • Path planning of data mule using responsible short circuit with steiner points 

      Vora, Ankitkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      We have studied the problem of data aggregation method in wireless sensor network using the data mule. In data mule approach, Data mule is the mobile entity which can collect the data from stationary sensor node in the ...

    • Text retrieval from the degraded document images 

      Vasani, Hiral (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Image binarization is used to obtain a black and white text document from a colored one. Basically, it can be taken as an image segmentation task that segments the text part from the background. Such a black and white ...

    • Medical image security with cheater identification using secret sharing scheme 

      Krishnan, Arun (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      The progress in the field of information and communication technology has brought about quick and efficient transfer of textual as well as multimedia data . However, the growth of technology has also provided new ways ...

    • Learning based approach for image compression 

      Kumar, Dheeraj (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Data compression is a process of storing same information with less data or space in computer memory. There are many image compression techniques that are available for storing images with less storage space. Minimizing ...

    • Acoustic-to-articulatory inversion: speech quality assessment and smoothness constraint 

      Rajpal, Avni (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 

      Kanwar, Jai Jai (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) 

      Garg, Garima (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 

      Chhaya, Rachit (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 

      Mulchandani, Bharti Dholoomal (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 

      Bharmal, Sara (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 

      Pandey, Vijay Raghav (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 

      Mehta, Nilay V. (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 

      Hapani, Hitesh (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 

      Desai, Jeet (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      0

    • Microwave imaging of a 36-cell human body by moment method formulation 

      Chandarana, Mahek Harshad (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 ...