Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Systems and Communications (10)
- Physical Sciences and Mathematics (9)
- Electrical and Electronics (6)
- Computer Sciences (4)
- Physics (4)
-
- Optics (3)
- Analytical, Diagnostic and Therapeutic Techniques and Equipment (2)
- Civil and Environmental Engineering (2)
- Computer Engineering (2)
- Electromagnetics and Photonics (2)
- Electronic Devices and Semiconductor Manufacturing (2)
- Geotechnical Engineering (2)
- Medicine and Health Sciences (2)
- Other Physics (2)
- Plasma and Beam Physics (2)
- Aerospace Engineering (1)
- Applied Statistics (1)
- Artificial Intelligence and Robotics (1)
- Atomic, Molecular and Optical Physics (1)
- Chemistry (1)
- Communication (1)
- Communication Technology and New Media (1)
- Controls and Control Theory (1)
- Diagnosis (1)
- Digital Communications and Networking (1)
- Dynamics and Dynamical Systems (1)
- Education (1)
- Institution
- Keyword
-
- Electrical and Computer Engineering (4)
- Fading (4)
- #antcenter (2)
- Agroacoustics (2)
- Computer vision (2)
-
- Decision making (2)
- Dispersion (2)
- Fourier transforms (2)
- Frequency (2)
- Image morphology (2)
- Image processing (2)
- Object recognition (2)
- Radio propagation (2)
- Remote sensing (2)
- Segmentation (2)
- Self-learning (2)
- Signal processing--Digital techniques (2)
- Speech (2)
- A priori SNR (1)
- Acoustic modeling (1)
- Acoustic noise measurement (1)
- Adaptive Wiener filtering. (1)
- Amplitude estimation (1)
- Analytical models (1)
- Annotation (1)
- Antennas (1)
- Atmospheric turbulence (1)
- Audio Signal Processing (1)
- Authentication (1)
- Bandpass filters (1)
- Publication
- Publication Type
Articles 31 - 36 of 36
Full-Text Articles in Signal Processing
Spatio-Spectral Sampling And Color Filter Array Design, Keigo Hirakawa, Patrick J. Wolfe
Spatio-Spectral Sampling And Color Filter Array Design, Keigo Hirakawa, Patrick J. Wolfe
Electrical and Computer Engineering Faculty Publications
Owing to the growing ubiquity of digital image acquisition and display, several factors must be considered when developing systems to meet future color image processing needs, including improved quality, increased throughput, and greater cost-effectiveness. In consumer still-camera and video applications, color images are typically obtained via a spatial subsampling procedure implemented as a color filter array (CFA), a physical construction whereby only a single component of the color space is measured at each pixel location. Substantial work in both industry and academia has been dedicated to post-processing this acquired raw image data as part of the so-called image processing pipeline, …
Portfolio Diversification Using Subspace Factorizations, Ruairí De Fréin, Konstantinos Drakakis, Scott Rickard
Portfolio Diversification Using Subspace Factorizations, Ruairí De Fréin, Konstantinos Drakakis, Scott Rickard
Conference papers
Successful investment management relies on allocating assets so as to beat the stock market. Asset classes are affected by different market dynamics or latent trends. These interactions are crucial to the successful allocation of monies. The seminal work on portfolio management by Markowitz prompts the adroit investment manager to consider the correlation between the assets in his portfolio and to vary his selection so as to optimize his riskreturn profile. The factor model, a popular model for the return generating process has been used for portfolio construction and assumes that there is a low rank representation of the stocks. In …
Structural Segmentation Using Set Accented Tones, Cillian Kelly, Mikel Gainza, David Dorran, Eugene Coyle
Structural Segmentation Using Set Accented Tones, Cillian Kelly, Mikel Gainza, David Dorran, Eugene Coyle
Conference papers
An approach which efficiently segments Irish Traditional Music into its constituent structural segments is presented. The complexity of the segmentation process is greatly increased due to melodic variation existent within this music type. In order to deal with these variations, a novel method using ‘set accented tones’ is introduced. The premise is that these tones are less susceptible to variation than all other tones. Thus, the location of the accented tones is estimated and pitch information is extracted at these specific locations. Following this, a vector containing the pitch values is used to extract similar patterns using heuristics specific to …
Antennas For Portable Communications In The Uwb And Gps Spectra., Giuseppe Ruvio
Antennas For Portable Communications In The Uwb And Gps Spectra., Giuseppe Ruvio
Doctoral
The thesis describes a study of antennas for solutions in emerging systems. An account of the fundamental principles of these antennas is given together with an outline of the basic electromagnetic theory on which the designs are based. While the main focus is on antennas for Ultra Wideband (UWB) systems, some additional work was carried out on enhancing performance of circularly polarised antennas for satellite navigation systems. The study focussed on the design of highly efficient broadband antennas with particular requirements for size compactness, gain stability, phase-linearity, and the use of low-cost materials. These requirements are particularly important for UWB …
Block Level Link Path Design And Multilayer Via Transition Model Assembly Using S-Parameters, Francesco De Paulis
Block Level Link Path Design And Multilayer Via Transition Model Assembly Using S-Parameters, Francesco De Paulis
Masters Theses
"In high-speed data communication systems the complexity of link path between transmitters and receivers present a challenge for designers to maintain an acceptable bit error rate. An approach is presented in this thesis to design the link path on a block-by-block basis. The unique advantage of this approach lies on the physics-based model of each block, which then relates performance to geometry and makes design improvement and optimization possible. A tool based on the manipulation of frequency domain data has been designed to help in the design and analysis process of fast communication systems. It accepts as inputs the frequency …
Audio Data Verification And Authentication Using Frequency Modulation Based Watermarking, Jonathan Blackledge, Omar Farooq
Audio Data Verification And Authentication Using Frequency Modulation Based Watermarking, Jonathan Blackledge, Omar Farooq
Articles
An approach to watermarking digital signals using frequency modulation - ‘Chirp Coding’ - is considered. The principles underlying this approach are based on the use of a matched filter to reconstruct a ‘chirp stream’ code that is uniquely robust. The method is generic in the sense that it can, in principle, be used for a variety of different signal (the authentication of speech and biomedical signals, for example). Further, by generating a bit stream that is signal dependent, chirp coding provides a method of self-authentication, which has a wide range of applications including copyright protection and digital rights management. However, …