Discrete Fourier Transform
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2012 International Conference on Digital Image Computing: Techniques and Applications (DICTA)
he International Conference on Digital Image Computing: Techniques and Applications (DICTA) is the main Australian Conference on computer vision, image processing, pattern recognition, and related areas. DICTA was established as a biannual conference in 1991 and became an annual event in 2007. It is the premiere conference of the Australian Pattern Recognition Society (APRS).
Signal-processing aspects of image processing, imaging systems, and image scanning, display, and printing. Includes theory, algorithms, and architectures for image coding, filtering, enhancement, restoration, segmentation, and motion estimation; image formation in tomography, radar, sonar, geophysics, astronomy, microscopy, and crystallography; image scanning, digital half-toning and display, andcolor reproduction.
The most highly-cited general interest journal in electrical engineering and computer science, the Proceedings is the best way to stay informed on an exemplary range of topics. This journal also holds the distinction of having the longest useful archival life of any EE or computer related journal in the world! Since 1913, the Proceedings of the IEEE has been the ...
Rapid dissemination of new results in signal processing world-wide.
The technology of transmission, recording, reproduction, processing, and measurement of speech; other audio-frequency waves and other signals by digital, electronic, electrical, acoustic, mechanical, and optical means; the components and systems to accomplish these and related aims; and the environmental, psychological, and physiological factors of thesetechnologies.
Hanna, M.T. Circuits and Systems (MWSCAS), 2012 IEEE 55th International Midwest Symposium on, 2012
The fractional discrete Fourier transform of type IV (FDFT-IV) is a generalization of the discrete Fourier transform of type IV (DFT-IV). The paper presents a fully-fledged definition for the FDFT-IV which necessitates the availability of orthonormal eigenvectors of the DFT-IV matrix G. This definition is shown to outperform the simple definition which is just a linear combination of the signal, ...
Jbira, A. Signal Processing Conference (EUSIPCO 1998), 9th European, 1998
In this paper, we evaluate the performance of Discrete Fourier Transform with small overlap in Transform-Predictive-Coding-based coders - e.g. Transform Coder eXcitation (TCX) and Transform Predictive Coding (TPC). Three different time-frequency analysis techniques are compared : the Discrete Fourier Transform, the Modified Discrete Cosine Transform (MDCT) with 50% overlap and the Discrete Fourier Transform with 3% overlap. We show how ...
You, S.D. Communications, IET, 2014
An orthogonal frequency-division multiplexing (OFDM) system with non-uniformly spaced pilots, such as worldwide interoperability for microwave access, voids virtually all discrete Fourier transform (DFT)-based interpolation methods for channel estimation, because they all require pilots to be uniformly spaced. Therefore, we propose two iterative algorithms to solve this problem. In the proposed algorithms, the inverse discrete Fourier transform and DFT are ...
Junhe Zhou Photonics Technology Letters, IEEE, 2011
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Radhakrishnan, C.; Jenkins, W.K. Signals, Systems and Computers (ASILOMAR), 2012 Conference Record of the Forty Sixth Asilomar Conference on, 2012
Recently the Quadratic Modified Fermat Number Transform (QMFNT) was extended to an analogous Modified Discrete Fourier Transform (MDFT) that enables overlap-add FFT block processing to be implemented without zero padding, resulting in reduced computational complexity and lower power requirements for nanoscale VLSI implementations. The MDFT was then extended into two dimensions and an experimental example was presented to illustrate how ...
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