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IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing

Issue 9 • Date Sep 1995

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Displaying Results 1 - 9 of 9
  • Multiresolution image restoration in the wavelet domain

    Publication Year: 1995, Page(s):578 - 591
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1460 KB)

    This paper proposes an image restoration approach in the wavelet domain that directly associates multiresolution with multichannel image processing. We express the formation of the multiresolution image as an operator on the image domain that transforms block-circulant structures into partially-block-circulant structures. We prove that the stationarity assumption in the image domain leads to the s... View full abstract»

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  • Design of optimal IIR filters with arbitrary magnitude

    Publication Year: 1995, Page(s):618 - 620
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB)

    We present a method for the computation of an optimal IIR filter that satisfies an arbitrary magnitude frequency response-specified using the tolerance scheme. The method allows for the design of compensators, equalizers, and frequency-selective filters. It exhibits desirable convergence properties and is numerically stable View full abstract»

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  • Pipelined lattice WDF design for wideband filters

    Publication Year: 1995, Page(s):616 - 618
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    Wideband highpass filters are widely used in applications such as wireless codec design or ECG signal processing. It is well-known that wideband digital filters suffer from large sensitivity and roundoff noise. In this letter, an efficient pipelined WDF (Wave Digital Filter) design method for wideband filters is proposed. Using one design example, it is shown that the hardware cost can be reduced ... View full abstract»

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  • Lp norm back propagation algorithm for adaptive equalization

    Publication Year: 1995, Page(s):604 - 607
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (268 KB)

    The lp norm back propagation algorithm for perceptron based adaptive equalization is analyzed taking account of possible numerical problem encountered when p<1. Two methods are proposed to overcome the numerical problem. Computer simulations indicate that simultaneous improvement in convergence rate and bit-error-rate (BER) performance can be achieved by using p<2 View full abstract»

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  • Absolute response error bounds for floating point digital filters in state space representation

    Publication Year: 1995, Page(s):610 - 613
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB)

    A deterministic study of the zero input asymptotic behavior of second order state space digital filters with floating point arithmetic is carried out. Using a consecutive bound reduction method, asymptotic bounds on the state response are derived. It is shown, that by using a relatively small number of mantissa bits, for many systems, limit cycles occur only in underflow conditions. The results in... View full abstract»

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  • A recursive fast Fourier transformation algorithm

    Publication Year: 1995, Page(s):614 - 616
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    A new composite filter-bank structure is presented for the efficient implementation of the recursive discrete transformation. This structure is based on a proper combination of the concepts of polyphase filtering and the fast Fourier transformation (FFT) algorithm. Its computational complexity is in direct correspondence with the FFT, and can be operated both in sliding and block-oriented modes. T... View full abstract»

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  • Structural properties of gradient recurrent high-order neural networks

    Publication Year: 1995, Page(s):592 - 603
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (928 KB)

    The structural properties of Recurrent High-Order Neural Networks (RHONN) whose weights are restricted to satisfy the symmetry property, are investigated. First, it is shown that these networks are gradient and stable dynamical systems and moreover, they remain stable when either bounded deterministic or multiplicative stochastic disturbances concatenate their dynamics. Then, we prove that such ne... View full abstract»

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  • Use of minimum-adder multiplier blocks in FIR digital filters

    Publication Year: 1995, Page(s):569 - 577
    Cited by:  Papers (278)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    The computational complexity of VLSI digital filters using fixed point binary multiplier coefficients is normally dominated by the number of adders used in the implementation of the multipliers. It has been shown that using multiplier blocks to exploit redundancy across the coefficients results in significant reductions in complexity over methods using canonic signed-digit (CSD) representation, wh... View full abstract»

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  • Closed-form impulse responses of discrete-domain multidimensional filters

    Publication Year: 1995, Page(s):607 - 609
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    It is known that useful two-dimensional (2-D) and three-dimensional (3-D) discrete-domain recursive transfer functions may be designed by applying the RID bilinear transformation to the continuous-domain transfer functions of prototype MD inductance-resistance networks. Closed-form expressions are derived for the impulse responses of these 2- and 3-D discrete-domain filters View full abstract»

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Aims & Scope

This title ceased production in 2003. The current updated title is IEEE Transactions on Circuits and Systems II: Express Briefs.

Full Aims & Scope