Now showing items 672-691 of 1001

    • On size balanced binary search trees 

      Kumar, Anand (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      History independent data structures are useful when security and privacy are of primary concern. Even if an adversary gets copy of the data structure, he cannot obtain any additional information beyond its content. Important ...
    • On the efficacy of deep image denoising for computer vision applications 

      Shah, Manan Dharmendra (2021)
      Image denoising is a process of inverse reconstruction where the original image is reconstructed from its noisy observations. Several deep learning models have been developed for image denoising. Usually the performance ...
    • On wavelets and fractal modulation 

      Mehta, Shalin (Dhirubhai Ambani Institute of Information and Communication Technology, 2004)
      The thesis considers a communication problem - that of communicating over a channel having simultaneously unknown bandwidth and unknown duration. As a solution to this problem, the thesis looks into a modulation scheme - ...
    • Online learning to rank 

      Karki, Kamlesh (Dhirubhai Ambani Institute of Information and Communication Technology, 2017)
      "Ranking of the documents has been always a prominent area of research in IR community. Most of the techniques for learning to rank evolved around Cranfield paradigm, in which supervised and semi-supervised machine learning ...
    • Ontology alignment based support for searching LOD-datasets using SPARQL query 

      Vijayvergiya, Nishant (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      The Linked Open Data (LOD) cloud is rapidly becoming the largest interconnected source of structured data on the web. Due to distributed nature of LOD and a growing number of ontologies and vocabularies used in LOD ...
    • Ontology development and query execution for an agro-advisory system 

      Mordiya, Chetankumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      In agriculture domain, farmers have queries regarding crop, soil, climate, cultivation process, disease, and pest. They express their queries in a natural language which are usually answered by agriculture experts. Due to ...
    • Ontology learning from relational database and reuse it with popular vocabularies 

      Malodiya, Prakasha B. (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Ontologies are the web documents generated by Web Ontology Languages that are used to develop semantic web. Semantic web requires data either in terms of manual creation or through conversion from existing data. A manual ...
    • Optical character recognition (OCR) feature extraction and classification 

      Prajapati, Pratik Kamlesh (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      Optical character recognition (OCR) [6] is a process of digitizing an image or document containing text. In the OCR system, we do the classification of optical patterns contained in a digital image corresponding to ...
    • Optical wireless sensor network design for a conducting chamber 

      Borkar, Abhishek (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      Now a day’s majority of the wireless sensor networks (WSNs) are based on Radio Frequency (RF) communication technology. But RF when used in an environment like that of metallic, conducting chamber exhibits large amount of ...
    • Optimization techniques for deep neural networks 

      Bhaisaheb, Shabbirhussain Hamid (2020)
      Optimization techniques are used to make the neural networks to converge to an optimal solution. Different techniques such as gradient-based approaches are utilized to obtain the parametric solution having objective function ...
    • Optimum network utilization using fortz-thorup method 

      Thomas, Shabu (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      Internet traffic has increased over the previous years and there has been a change in traffic requirements due to the emergence of new applications and services. This makes it more challenging for the network service ...
    • Orthogonal Features-based EEG Signal Denoising using Fractionally Compressed Architecture 

      Nagar, Subham (Dhirubhai Ambani Institute of Information and Communication Technology, 2021)
      Deep neural networks have gained a lot of prominence over the past years by achieving great results in most of the prediction tasks. This paved way for convolutional neural networks for solving problems in the field of ...
    • Orthogonal frequency division multiplexing synchronization techniques 

      Ravikanth, Sivangi (Dhirubhai Ambani Institute of Information and Communication Technology, 2008)
      Synchronization plays a major role in the design of a digital communication system. Essentially, this function aims at retrieving some reference parameters from the received signal that are necessary for reliable data ...
    • Out of home advertising platform 

      Patel, Urmi (Dhirubhai Ambani Institute of Information and Communication Technology, 2020)
      Out Of Home advertising is about passing the particular message to consumers when they are at public places, commuting to work, or waiting at places(elevators or bus stops). Traditional OOH formats include billboards, ...
    • Packet forwarding strategies for cooperation enforcement in mobile wireless ad hoc networks 

      Patel, Nidhi (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      In self-organized ad hoc networks, all networking functions rely on the contri- bution of the relay nodes. Nodes have to forward packets for each other in order to enable multi-hop communication. In recent years, researchers ...
    • Packet scheduling algorithm to improve delay bounds in HSDPA 

      Pradhan, Pratik (Dhirubhai Ambani Institute of Information and Communication Technology, 2007)
      With tremendous growth in mobile subscribers in recent past and trend of accessing packet data services in wireless networks, 3GPP has introduced an enhancement to Universal Mobile Telecommunications System (UMTS) standard ...
    • Parasitic Extraction and Performance Assessment using Experimental Analysis of rGO Interconnects for PCB Designs 

      Makhe, Vishank (2021)
      In this work, a novel reduced graphene oxide (rGO) interconnects for printed circuit boards (PCBs) designs are investigated using experimental analysis. rGO is a newly investigated and prominent material owing to its good ...
    • Part of speech tagging for Gujarati text 

      Dave, Mainak (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      Part-of-speech (POS) tagging is a process of assigning the lexicon category to each lexicons in a given natural language sentence, that best suits the definition of the lexicon as well as the context of the sentence in ...
    • Part replacement prediction for Philips digital X-ray machines 

      Pandya, Himadri (2020)
      Proper functioning of medical diagnostic devices is crucial. Valuable digital diagnostic devices like Philips X-ray machines are complex and comprise of many components. When some specific components fail, it can prevent ...
    • Particle swarm optimization based synthesis of analog circuits using neural network performance macromodels 

      Saxena, Neha (Dhirubhai Ambani Institute of Information and Communication Technology, 2009)
      This thesis presents an efficient an fast synthesis procedure for an analog circuit. The proposed synthesis procedure used artificial neural network (ANN) models in combination with particle swarm optimizer. ANN has been ...