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Orthogonal transforms for digital signal processing

Author: Nasir Ahmed; K Ramamohan Rao
Publisher: Berlin ; New York : Springer-Verlag, 1975.
Edition/Format:   Print book : EnglishView all editions and formats
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Additional Physical Format: Online version:
Ahmed, Nasir.
Orthogonal transforms for digital signal processing.
Berlin ; New York : Springer-Verlag, 1975
(OCoLC)643686931
Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Nasir Ahmed; K Ramamohan Rao
ISBN: 0387065563 9780387065564 3540065563 9783540065562
OCLC Number: 1733124
Description: xii, 263 pages : illustrations ; 24 cm
Contents: One Introduction.- 1.1 General Remarks.- 1.2 Terminology.- 1.3 Signal Representation Using Orthogonal Functions.- 1.4 Book Outline.- References.- Problems.- Two Fourier Representation of Signals.- 2.1 Fourier Representation.- 2.2 Power, Amplitude, and Phase Spectra.- 2.3 Fourier Transform.- 2.4 Relation Between the Fourier Series and the Fourier Transform.- 2.5 Crosscorrelation, Autocorrelation, and Convolution.- 2.6 Sampling Theorem.- 2.7 Summary.- References.- Problems.- Three Fourier Representation of Sequences.- 3.1 Definition of the Discrete Fourier Transform.- 3.2 Properties of the DFT.- 3.3 Matrix Representation of Correlation and Convolution.- 3.4 Relation Between the DFT and the Fourier Transform Series.- 3.5 Power, Amplitude, and Phase Spectra.- 3.6 2-dimensional DFT.- 3.7 Time-varying Fourier Spectra.- 3.8 Summary.- Appendix 3.1.- References.- Problems.- Four Fast Fourier Transform.- 4.1 Statement of the Problem.- 4.2 Motivation to Search for an Algorithm.- 4.3 Key to Developing the Algorithm.- 4.4 Development of the Algorithm.- 4.5 Illustrative Examples.- 4.6 Shuffling.- 4.7 Operations Count and Storage Requirements.- 4.8 Some Applications.- 4.9 Summary.- Appendix 4.1 An FFT Computer Program.- References.- Problems.- Five A Class of Orthogonal Functions.- 5.1 Definition of Sequency.- 5.2 Notation.- 5.3 Rademacher and Haar Functions.- 5.4 Walsh Functions.- 5.5 Summary.- Appendix 5.1 Elements of the Gray Code.- References.- Problems.- Six Walsh-Hadamard Transform.- 6.1 Walsh Series Representation.- 6.2 Hadamard Ordered Walsh-Hadamard Transform (WHT)h.- 6.3 Fast Hadamard Ordered Walsh-Hadamard Transform (FWHT)h.- 6.4 Walsh Ordered Walsh-Hadamard Transform (WHT)W.- 6.5 Fast Walsh Ordered Walsh-Hadamard Transform (FWHT)w.- 6.6 Cyclic and Dyadic Shifts.- 6.7 (WHT)w Spectra.- 6.8 (WHT)h Spectra.- 6.9 Physical Interpretations for the (WHT)h Power Spectrum.- 6.10 Modified Walsh-Hadamard Transform (MWHT).- 6.11 Cyclic and Dyadic Correlation/Convolution.- 6.12 Multidimensional (WHT)h and (WHT)w.- 6.13 Summary.- Appendix 6.1 WHT Computer Program.- References.- Problems.- Seven Miscellaneous Orthogonal Transforms.- 7.1 Matrix Factorization.- 7.2 Generalized Transform.- 7.3 Haar Transform.- 7.4 Algorithms to Compute the HT.- 7.5 Slant Matrices.- 7.6 Definition of the Slant Transform (ST).- 7.7 Discrete Cosine Transform (DCT).- 7.8 2-dimensional Transform Considerations.- 7.9 Summary.- Appendix 7.1 Kronecker Products.- Appendix 7.2 Matrix Factorization.- References.- Problems.- Eight Generalized Wiener Filtering.- 8.1 Some Basic Matrix Operations.- 8.2 Mathematical Model.- 8.3 Filter Design.- 8.4 Suboptimal Wiener Filtering.- 8.5 Optimal Diagonal Filters.- 8.6 Suboptimal Diagonal Filters.- 8.7 2-dimensional Wiener Filtering Considerations.- 8.8 Summary.- Appendix 8.1 Some Terminology and Definitions.- References.- Problems.- Nine Data Compression.- 9.1 Search for the Optimum Transform.- 9.2 Variance Criterion and the Variance Distribution.- 9.3 Electrocardiographic Data Compression.- 9.4 Image Data Compression Considerations.- 9.5 Image Data Compression Examples.- 9.6 Additional Considerations.- 9.7 Summary.- Appendix 9.1 Lagrange Multipliers.- References.- Problems.- Ten Feature Selection in Pattern Recognition.- 10.1 Introduction.- 10.2 The Concept of Training.- 10.3 d-Dimensional Patterns.- 10.4 The 3-Class Problem.- 10.5 Image Classification Experiment.- 10.6 Least-Squares Mapping Technique.- 10.7 Augmented Feature Space.- 10.8 3-Class Least-Squares Minimum Distance Classifier.- 10.9 K-Class Least-Squares Minimum Distance Classifier.- 10.10 Quadratic Classifiers.- 10.11 An ECG Classification Experiment.- 10.12 Summary.- References.- Problems.- Author Index.
Responsibility: N. Ahmed, K.R. Rao.

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