Theses and dissertations: Recent submissions
Now showing items 201-220 of 1148
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Document Language Classification Using Deep Learning Approaches
(2021)Optical character recognition (OCR) refers to the task of recognizing the characters or text from digital document images. OCR is a widely researched area for the past many years due to its applications in various fields. ... -
Analyzing Developer Sentiment throughout Development Process
(2021)Emotions plays a major role in productivity, quality and job satisfaction. In this thesis, I have analyzed sentiments of developer on GitHub based on the comments of different open source projects and analyze their ... -
Deep Learning based approach for Handwritten Gujarati Word Image Matching
(2021)Information retrieval from scanned handwritten digital copies is a very challenging task especially in Indian scripts like Gujarati due to the presence of joint and conjuct characters as well as matras, cursive nature and ... -
Combining Model Based Testing and Automated Analysis of Behavioural Models using GraphWalker and UPPAAL
(2021)Software testing is continuously evolving and Model-based testing (MBT) is one such test automation strategy. MBT involves the generation of tests by executing a model created by studying the requirements of the System ... -
Design of Voice Privacy System
(2021)Extensive use of Intelligent Personal Assistants (IPA) and biometrics in our day to day life asks for privacy preservation while dealing with personal data. To that effect, efforts have been made to preserve the personally ... -
Data Augmentation Using CycleGAN for Children’s ASR43e
(2021)Extensive use of voice assistants by children in their day-to-day life activities asks for better performance of Automatic Speech Recognition (ASR) for children’speech. The recent advancements in ASR perform better for ... -
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 ... -
All Digital ECG Front End ASIC
(2021)The research presents a continuation work of low power front-end digital electrocardiogram (ECG) acquisition system, designed and simulated (with Wilson Central Terminal ECG Database) using 0.18 mm CMOS technology model ... -
Design and Implementation of Low Power RISC V ISA based Processor and Coprocessor design for Matrix Multiplication
(2021)RISC V is an open-source ISA that is used to design the processor and the coprocessor architecture. For fulfilling the requirement of matrix multiplication, a low power and high-performance multiply and accumulate unit has ... -
Handcrafted Feature Design for Voice Liveness Detection and Countermeasures for Spoof Attacks
(2021)Automatic Speaker Verification (ASV) systems are highly vulnerable to the spoofing attacks. Spoof attacks are the attacks when an imposter tries to manipulate the biometric system and to get the access of the system by ... -
Deep Learning for Severity Level-based Classification of Dysarthria
(2021)Dysarthria is a motor speech disorder in which muscles required to speak somehow gets damaged or paralyzed resulting in an adverse effect to the articulatory elements in the speech and rendering the output voice unintelligible. ... -
Implementation of ALU using RTL to GDSII flow and on NEXYS 4 DDR FPGA board
(2021)An ALU is the major part of the CPU which performs various arithmetic and logical operations. It is one of the most frequently used modules in the processor. This paper presents the implementation of 8-bit ALU using RTL ... -
Analysis of security vulnerabilities in 5G standalone network
(2021)The first release of the 5G protocol specifications,3rd Generation Partnership Project (3GPP) Release 15 was released in 2017 and the first 5G protocol security specifications was published in 2018. There are various ... -
Gradient based Adaptive Channel Estimation for Orthogonal Time Frequency Space (OTFS)
(2021)The next generation wireless system with high mobility requirements brings the challenge to mitigate the effect of a time-varying channel. Conventional multicarrier systems like Orthogonal frequency division multiplexing ... -
Channel Estimation for Orthogonal Time Frequency Space Modulation using Recursive Least Squares
(2021)For its capacity to provide high data rates to a wide number of users, 4G wireless communications had a huge success in the previous decade. With the Internet of Things (IoT) and high mobility scenarios such as vehicle-to-vehicle ... -
Use of GitHub in Computer Science Education
(Dhirubhai Ambani Institute of Information and Communication Technology, 2021)GitHub is a very popular cloud hosting service based on Git version control system (VCS). GitHub provides additional features to Git VCS like task management and bug tracking. GitHub has gained too much popularity in the ... -
Enhanced Device FingerPrinting in 4G LTE Communication Networks
(2021)Long Term Evolution in the field of mobile wireless communication, its wide availability and the surge of data usage among the millennial in recent years, which led to the new world of information society, plays the pivotal ... -
Security Enhancement using Channel State Information for Multicarrier Modulation
(2021)Wireless technologies of the fifth generation (5G) are vital to advancing Internet-of- Things (IoT) networks in the future. Information security in wireless networks is one of the most difficult problems due to the open ... -
Malicious Node Detection for various Heterogenous IoT Communication Protocols
(2021)In recent years security is an increased concern for IoT devices. Due to limited capabilities compared to traditional computer systems, these tiny devices cannot run the heavy encryption algorithms required for preventing ... -
Beamforming for mitigation of interference for different antenna array geometry
(2021)DOA estimation and Beamforming is one of the most crucial requirements of the Communication system design of RADAR, Satellite communication, Wireless communication. This Estimation performance differs for different ...