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June 3600

Design of a VLSI Architecture for Speeded-Up Robust Features (SURF)-based Video Stabilization

June 27, 3600 @ 5:14 pm - 3:00 pm
ESB 244

Speaker – C.A. Tahiya Nou-Shene Abstract Mobile robots are used for search and rescue purposes in emergency informatics. The robots typically carry a vision system to gather information about the environment and pass on to remotely-located rescue teams. When the robot moves, in view of the uneven nature of the terrain, the camera is subjected to vibrations and as a result, the transmitted videos tend to be unclear. Further, real-time data collection and processing are critical for quick action by rescue personnel. In this work, we explore a robust…

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On the Validity of Decoupling Approximation for Analysis of IEEE 802.11 DCF MAC

June 27, 3600 @ 5:14 pm - 12:00 pm
ESB 244

Speaker :- Vishal T. Mudnur Abstract :- Decoupling approximation for the performance analysis of IEEE 802.11 DCF MAC is critical due to the problem of state space explosion associated with its exact DTMC model. In this work, we study the validity of the two widely used models of DCF MAC based on the decoupling approximation, namely fixed point analysis andmean field model. In the current literature, the validity of the two models is verified from the nature of the solution of the models i.e. unique fixed point…

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Practical Measures of Error in the Numerical Solution for Online Dynamic Security Assessment

June 27, 3600 @ 5:14 pm - 3:00 pm
ESB 244

Speaker :- Saroj Kumar Abstract :- The dynamic security assessment (DSA) is the process of determination of the stability of a power system when subjected to large disturbances (contingencies). A large disturbance such as a fault, followed by a loss of a system component, may lead to cascading outages. Hence, it is important to predict, online, the stability of the system when subjected to large disturbances. The prediction of stability can be done by system simulation and one can take…

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Detection of age-related macular degeneration on retinal color fundus images

June 27, 3600 @ 5:14 pm - 3:30 pm
ESB 244

Speaker :-  Vaanathi S Abstract :- Age-related macular degeneration (AMD), a sight-threatening condition among aged population, is recognized as a leading cause of blindness. Retinal color fundus images, captured by fundus camera, are used to detect the visual signs related to AMD even in pre-symptomatic stages. This research work aims to develop a set of image analysis algorithms for detecting AMD at various stages on retinal color fundus images, which could be integrated to create a system for AMD screening. We…

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Pattern generation using Reaction-Diffusion and Asymmetry Measure of Stripe Patterns

June 27, 3600 @ 5:14 pm - 3:00 pm
ESB 244

Speaker :  Mr. Sreerag S N ABSTRACT: A Reaction-Diffusion(R-D) system has been proposed as a mechanism to model the formation of various coat patterns in animals. The R-D system is a set of differential equations. We discuss a discretized version of the system and we show that different spatial patterns can be obtained by varying certain parameters of the R-D system. There exists a bilateral symmetry in the left and right stripe patterns of animals from zebrafish to tigers. However,…

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Study of leakage current mechanisms in thin film dielectrics on 4H-SiC

June 27, 3600 @ 5:14 pm - 4:00 pm
ESB 244

Speaker : Madhup Shukla Abstract:  SiC have excellent physical and electronic properties such as high breakdown electric field, high band gap and high thermal conductivity. Along with this SiC is the only compound semiconductor to have a native oxide (SiO2) on it. These properties have made SiC a material of choice for Metal-Oxide-Semiconductor (MOS) devices operating in high temperature and high power regions.But there are serious challenges for SiC based MOS devices to realize its full potential. One of them…

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June 2017

Non-conventional Fabrication of large area plasmonic hot-spots for SERS

June 27, 2017 @ 10:44 pm - 5:00 pm
ESB 244

Speaker – Ankit Arora (EE13S002) Abstract :- Is it possible to fabricate low-cost, use & throw SERS substrates over large areas (few square cms) without using any nanofabrication equipment or high vacuum processes without using commercial nanolithography without need for fabrication expertise to achieve low volume (< Nano litre), low concentration (10 nano Molar) analyte sensing Raman enhancement of ≥ 104 few molecule detection potential for commercialization The brief answer is YES. We believe that we have developed a very…

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Feature Normalization for Noise Robust Speech Recognition

June 27, 2017 @ 10:44 pm - 4:00 pm
ESB 244

Speaker: Navneeth K (EE12S065) Abstract: The research focuses on improving the recognition performance of Automatic Speech Recognition (ASR) systems in noisy environment. It is a known fact that performance of ASR degrades under noisy test conditions. If the features for building the acoustic model are extracted from clean train utterances, the features corresponding to noisy test utterances would be acoustically mismatched with the trained statistical model. Feature normalization techniques like Cepstral Mean Normalization (CMN), Cepstral Mean and Variance Normalization (CMVN)…

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Advanced DFE based receivers for MIMO SC-FDMA uplink

June 27, 2017 @ 10:44 pm - 3:00 pm
CSD-320

SPEAKER:  DHIVAGAR B (EE11S005) ABSTRACT             Ever since the adoption of the Single Carrier – Frequency Division Multiple Access (SC-FDMA) scheme for the uplink in the Long Term Evolution (LTE) standard, there has been much interest in improved receiver algorithms for interference limited SC-FDMA links. Conventional Linear Minimum Mean Square Error (LMMSE) based receivers are fairly well studied in literature due to their reduced algorithmic complexity. With LTE pushing upto eight parallel streams over the same time-frequency resource , …

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June 3600

A power efficient CMOS receiver for OOK wireless link

June 27, 3600 @ 5:14 pm - 5:00 pm
ESB 244

Speaker: Anoop Narayan Bhat Abstract                      Need for low cost, power efficient, robust and high speed short distance wireless communication implementation is increasing since electronic devices are becoming wireless enabled. A communication technique is proposed to achieve high data rate in receivers with low bandwidth circuits. The technique is implemented in chip to chip wireless communication and an RF receiver with 130 MHz front end circuit bandwidth is designed to achieve…

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