Theses and dissertations: Recent submissions

Now showing items 561-580 of 1148

    • Object classification of remotely sensed images using deep learning 

      Kathpal, Hanish Kumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Object classification of remotely sensed images is one of the fundamental tasksto perform various operations such as land planning, traffic monitoring, urbanmonitoring, disaster control and weather forecasting, etc. There ...

    • Wideband active mixer with high gain and low noise figure 

      Mangukiya, Manishkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      This work presents active double-balanced down converter mixer with some modification. Gilbert topology provide overall good gain and LO-RF isolation. It has poor noise figure performance. It is narrow band in terms of ...

    • Computational investigation of patch antennas in plasma environment 

      Vyas, Hardik (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Microstrip antennas are extensively used in spacecraft systems and other applicationswhere they encounter a plasma environment. A detailed computationalinvestigation of change in antenna radiation properties in the presence ...

    • Object Recognition using Self Learned Features 

      Parikh, Ketul D. (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      A great deal of research has been centered around developing algorithms forlearning features from unlabelled information. Much advance has been made onbenchmark datasets by utilizing progressively complex unsupervised ...

    • Novel nonlinear prediction-based features for spoofed speech detection 

      Bhavsar, Himanshu N. (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Automatic Speaker Verification (ASV) systems are prone to various spoofing attacks.<p/>Spoofing is one type of technique in which fake speech signal is given to<p/>the ASV system to get the access of that system without ...

    • Automatic speech recognition using deep neural networks 

      Sharma, Manisha (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Automatic Speech Recognition (ASR) is an important field of research because ofits widespread use in various fields such as military, health services, day-to-dayactivities, etc. ASR task was earlier done using GMM-HMM ...

    • Blind inpainting and super-resolution using convolutional neural network 

      Sohoney, Surabhi (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      In this work, we propose a combined approach to two image processing problems:Image Inpainting and Image Super-Resolution(SR). A number of efficient techniqueshave been developed for solving these two problems using deep ...

    • Design of wideband low noise distributed amplifier 

      Gupta, Ketan (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      This thesis reviews and analyses the designing of wideband low noise amplifier. All the parameters required for designing a low noise amplifier are properly analysed. This thesis includes the design of basic single stage ...

    • Desing of RF front-end receiver sub-system 

      Kumar, Chandra Shekhar (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      A Radio Frequency(RF) front end receiver subsystems; Low Noise Amplifier(LNA) and mixer is designed at RF frequency of 2.45GHz. The main design aim of LNA is to enhance the performance parameters, especially to minimise ...

    • Image authentication using genetic algorithm 

      Londhey, Arjun (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      With a widespread deployment of digital images, there is need to authenticatesuch images for their originality and integrity.The main objective of the work is todesign an authentication scheme that allows two parties to ...

    • Real-time PID controller for UAV stability 

      Rathod, Hari (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Recently there has been a significant rise in the popularity of multi-rotor UAVsdue to its ability to hover and ability to execute vertical take-off and landing. Advancesin the field of compact and powerful microcontrollers, ...

    • Private targeted advertising using homomorphic encryption 

      Dave, Ainish Juotindra (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Privacy of the user data in online setup is an important feature. The users of Internetdo not want to share their private information or interests with anybody.The targeted advertising domain clearly tracks the user activity ...

    • Interrupt based system-on-chip for IOT application with deterministic response and low power usage 

      Jain, Shweta (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Internet of Things (IOT) is rapidly evolving which requires a customized processorwith low power and minimum cost to leverage data gathered by sensors andaccordingly give output to the actuators and other physical objects. ...

    • Tracking and navigation of unmanned aerial vehicle (UAV) 

      Thakkar, Devang (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      An unmanned aerial vehicle (UAV) is an aircraft without a human pilot. It usesaerodynamic forces to lift and can carry a lethal or nonlethal payload. Our aimis to calculate payload carried by UAV and devise a path planning ...

    • Design of 64-bit SRAM using single electron transistor 

      Kale, Vishwamber N. (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      The present day devices demand memory chips with larger size and smallphysical dimensions. This drives the designer to design high density memorydevices. The memory designed using CMOS technology do not have comparablespeed ...

    • Verbose query processing in biomedical information retrieval 

      Khatri, Jyotsana (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Biomedical information retrieval is a challenging problem in information retrieval. In this work, we have reported the retrieval results for the verbose queries in biomedical information retrieval. The primary objective ...

    • Enabling technologies for remote health monitoring 

      Thakkar, Nileshkumar (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Blood Pressure (BP) is one of the vital signs to measure health care of the personand it is useful to find out the cardiovascular diseases. Recent research showsthat measurement of BP using physiological parameters is ...

    • Brain computer interface using electroencephalogram 

      Meisheri, Hardik (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Brain Computer Interface (BCI) provides a pathway for communication from humansto computer without any muscular activity. Common Spatial Pattern (CSP)algorithm has been proved to be effective in Brain Computer Interface ...

    • Design and Analysis of Energy Neutral Wireless Sensor Nodes for Health and Environmental Monitoring Applications 

      Pokhara, Ankur (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      This thesis demonstrates investigation of an Energy Neutral System using EnergyHarvesters for Wireless Sensor Nodes (WSNs). For this purpose, we have implementedan Energy Harvesting system which consists of three parts: ...

    • Design of 16-bit 1MSamples/s differential SAR analog to digital converter 

      Nale, Rahul (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      This work focusses on design of 16-bit, 1MSamples/s differential SAR ADC converter.We have applied split ADC architecture to SAR converter. The design canbe broadly classified in two parts viz. design of ideal A/D converter ...