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Browsing by Supervisor "Agathoklis, Panajotis"
Now showing items 1-20 of 27
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(2018-07-18)A three-dimensional (3-D) visualization system for serial microscope images is developed with special reference to its application in microscopy and cell biology. The 3-D visualization system involves three process stages, ...
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(2010-06-14)The development of large dense arrays of smaller antennas and moderate-sized antennas equipped with multi-beam arrays in the next generation of radio telescopes, such as the square kilometre array (SKA), is making 3D ...
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(2019-12-03)Wideband beamforming have been widely used in modern radar systems. One of the powerful wideband beamforming techniques that is capable of achieving a high selectivity over a wide bandwidth is the nested array (NA) beamformer. ...
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(2019-09-06)This thesis deals with design algorithms for filter banks based on optimization. The design specifications consist of the perfect reconstruction and frequency response specifications for finite impulse response (FIR) ...
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(2013-04-30)A new broadband beamformer composed of nested arrays (NAs), multi-dimensional (MD) filters, and multirate techniques is proposed for both linear and planar arrays. It is shown that this combination results in frequency-invariant ...
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(2021-12-01)A digital filter is an essential part of many present day electronics devices and a common type of digital filter used is Finite Impulse Response (FIR) filters. FIR filters have several advantages over Infinite Impulse ...
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(2009-11-16)This thesis deals with the design. implementation and experimental validation of digital controllers for an Adaptive Optics (AO) test bench. The AO model has been modeled using a discrete model and this model was validated ...
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(2014-08-26)This thesis focuses on the theory, design, simulation and implementation of several digital controllers for periodic signals on a laser scanning galvanometer. A model for the galvanometer was obtained and veri ed using ...
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(2018-08-24)This work deals with the further development of a method for Direction of Arrival (DOA) estimation based on the Discrete Fourier Transform (DFT) of the sensor array output. In the existing DFT-based algorithm, relatively ...
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(2015-04-30)This thesis addresses a multi-phase research and development project that spanned nearly four years, targeted at providing an ultra high-efficiency, user-friendly, and economic intelligent lighting solution for commercial ...
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(2011-12-20)In this thesis, the applications of image stitching and object insertion are considered and two gradient based approaches offering solutions are proposed. An essential part of the proposed methods is obtaining an image ...
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(2015-08-07)In this thesis, new effective and efficient implementation structures of three-dimensional (3D) spatio-temporal (ST) Finite Impulse Response (FIR) uniform and non-uniform cone and frustum filters using well-known filter ...
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(2015-12-02)Five-dimensional (5-D) light field video (LFV) (also known as plenoptic video) is a more powerful form of representing information of dynamic scenes compared to conventional three-dimensional (3-D) video. In this ...
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(2018-08-16)Multi-dimensional digital signals have become an intertwined part of day to day life, from digital images and videos used to capture and share life experiences, to more powerful scene representations such as light field ...
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(2012-08-21)In this thesis, multidimensional signal processing techniques to mitigate disturbances in synthetic aperture systems such as radio telescopes are investigated. Here, two computationally efficient three-dimensional (3D) ...
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(2008-04-10)The development and performance evaluation of new techniques for direction of arrival (DOA) estimation, single-user beamforming (SUB), and multiuser beamforming (MUB) to be used in wireless communications are investigated. ...
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(2010-02-04)Video compression technology aims at compressing large amount of video data for efficient transmission and storage without significant loss of quality. Most video compression techniques rely on removing temporal data ...
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(2008-04-23)In this dissertation, the development and performance evaluation of new techniques for image registration and image geometric normalization, which are based on feature points extracted from images are investigated. A ...
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(2018-03-15)With the evolution of multimedia systems, image and video compression is becoming the key enabling technology for delivering various image/video services over heterogeneous networks. The basic goal of image data compression ...
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(2018-08-16)A new progressive lossy-to-lossless coding method for arbitrarily-connected triangle mesh models of bivariate functions is proposed. The algorithm employs a novel representation of a mesh dataset called a bivariate-function ...
Now showing items 1-20 of 27
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