Zetzsche, Christoph and Krieger, Gerhard (2001) Nonlinear image operators, higher-order statistics,and the AND-like combinations of frequency components. In: Proceedings of the 2nd International Symposium on Image and Signal Processsing and Analysis, pp. 119-124. 2nd Intl. Symp. Image and Signal Processing and Analysis, 2001-06-19 - 2001-06-21, Pula, Croatia. ISBN 953-36769-4-0.
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The frequency domain plays a key role in the description of signals and systems. In the classical approaches, the individual frequency components are treated as independent: In linear systems, the superposition principle restricts the filtering to an OR-like processing of independent complex exponentials. Likewise, the classical second-order statistic (the powerspectrum) measures only the occurrence of each individual frequency component, independent of whether it occurs in a systematic combination with other components or not. This basic limitation can be overcome by the extension of the classical approaches to nonlinear systems and higher-order statistics, which makes it possible to selectively address AND-like combinations of frequency components. We measure which AND combinations are statistically most relevant in natural images, and investigate how this statistical structure can be exploited by nonlinear Volterra filters.
|Document Type:||Conference or Workshop Item (Speech, Paper)|
|Title:||Nonlinear image operators, higher-order statistics,and the AND-like combinations of frequency components|
|Journal or Publication Title:||Proceedings of the 2nd International Symposium on Image and Signal Processsing and Analysis|
|Page Range:||pp. 119-124|
|Keywords:||nonlinear image operators, higher-order statistics, intrinsic dimensionality|
|Event Title:||2nd Intl. Symp. Image and Signal Processing and Analysis|
|Event Location:||Pula, Croatia|
|Event Type:||international Conference|
|Event Dates:||2001-06-19 - 2001-06-21|
|Organizer:||IEEE, Cat.No. 01EX480|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Entwicklung eines Mini-SAR (old)|
|Institutes and Institutions:||Microwaves and Radar Institute|
|Deposited By:||Dr.-Ing. Gerhard Krieger|
|Deposited On:||30 Jan 2006|
|Last Modified:||06 Jan 2010 19:39|
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