Browsing Theses and dissertations by Title
Now showing items 1118-1137 of 1148
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Vocal tract length normalization for automatic speech recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)Various factors affect the performance of Automatic Speech Recognition (ASR) systems. In this thesis, speaker differences due to variations in vocal tract length (VTL) are taken into account. Vocal Tract Length Normalization ... -
Voice conversion: alignment and mapping perspective
(Dhirubhai Ambani Institute of Information and Communication Technology, 2019)Understanding how a particular speaker is producing speech, and mimicking one's voice is a difficult research problem due to the sophisticated mechanism involved in speech production. Voice Conversion (VC) is a technique ... -
Voice Liveness Detection Using Modified Group Delay Functions
(2021)Automatic Speaker Verification (ASV) system is a key element of the voice biometric system. With the recent advancement in technology, spoofing attacks have also progressed drastically. In spoofing attack, attacker tries ... -
Voronoi diagram modelling for wireless Ad-Hoc sensor network coverage
(Dhirubhai Ambani Institute of Information and Communication Technology, 2004)This thesis aims at a basic geometrical understanding of Voronoi diagrams and Voronoi diagram modelling for Wireless Ad hoc Sensor coverage. What is known as the Fortune algorithm for constructing Voronoi diagrams is ... -
Vowel landmark detection for speech recognition
(Dhirubhai Ambani Institute of Information and Communication Technology, 2014)Landmarks are the time instants in a speech utterance which marks the important events such as vowels, glides and consonants. This thesis proposes a novel Vowel Landmark Detection (VLD) algorithm to locate vowel landmarks ... -
Vyapar Bandhu : A financial literacy application for small business owners
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)In the last few decades, the Indian Govt has introduced several loans to improve the financial situation of the rural people. There have been many improvements in financial aid, but still, there is a lack of financial ... -
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 ... -
Waterpoly: a learning game kit
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)The title of my project is “Waterpoly” – A Learning Game Kit. The objective of my project is to design an interactive computer aided training program to bring awareness of Water Conservation methods for improving standard ... -
Wavelets and filter banks: novel approaches for real and complex-valued transform designs
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)Processing of natural images stored as 2-D discrete signals is an inevitable task in almost all areas of image processing. In order to have the desired processing results, directional image representation can be considered ... -
Wearable Sensing Device for Continuous Monitoring of Human Vital Signs
(Dhirubhai Ambani Institute of Information and Communication Technology, 2017)"Due to the emergence of autonomous sensor networks and low cost devices, continuous health monitoring is gaining interest. Blood Pressure (BP) is one of the important parameters as an indicator for cardiovascular diseases. ... -
Web content outlier detection using latent semantic indexing
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Outliers are data elements different from the other elements in the category from which they are mined. Finding outliers in web data is considered as web outlier mining. This thesis explores web content outlier mining which ... -
Web services policy in grid
(Dhirubhai Ambani Institute of Information and Communication Technology, 2008)Service-oriented computing enables service providers to publish their business functionalities in the form of abstract contracts, which can be discovered by service consumers based on open and standard protocols. Enterprise ... -
Weblab: a framework for remote laboratories
(Dhirubhai Ambani Institute of Information and Communication Technology, 2005)Remote laboratories have been proposed and implemented in the past to address a number of issues, namely wider access to high-end expensive experiments, safety, and better resource utilization. However, the existing projects ... -
Website design [birds of Nalsarovar]
(Dhirubhai Ambani Institute of Information and Communication Technology, 2015)Tourism is the most common and wide spread business all over the world. In India a large amount of revenue is generated through tourism, there are various historic sites, wild life sanctuaries, nature parks and much more ... -
Well of meanings: an insight into the stepwells of Gujarat
(Dhirubhai Ambani Institute of Information and Communication Technology, 2007)Stepwells of Western India were often regarded as magnificent architectural solutions to the seasonality of water supply in the region. But as this multimedia presentation will show, the stepwells were much more than ... -
What child art could say?
(Dhirubhai Ambani Institute of Information and Communication Technology, 2009)“What child could say?” is project which intents to design a communication of public interest message for middle class urban Indians. It is to alert parents in the direction of importance of family peace and harmony. And ... -
What does BERT learn about questions
(2020)Recent research in Question Answering is highly motivated by the introduction of the BERT [5] model. This model has gained considerable attention since the researcher of Google AI Language has claimed state-of-the-art ... -
What is my name?
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)The thesis work introduces a new concept of predicting the first name from the facial image. Several studies show a relationship between first names and facial features. The prediction problem here is treated as an image ... -
What is my occupation?
(Dhirubhai Ambani Institute of Information and Communication Technology, 2022)The facial image of a person contains much rich information like gender, race, age, hairstyle, and other essential pieces of information that are related to a person�s occupation. Predicting or recognizing occupation is a ... -
Wideband active mixer with high gain and high linearity
(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 ...