The Experts below are selected from a list of 1794 Experts worldwide ranked by ideXlab platform
R Stasinski - One of the best experts on this subject based on the ideXlab platform.
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selective nesting of Circular Convolution algorithms
International Conference on Acoustics Speech and Signal Processing, 1992Co-Authors: R StasinskiAbstract:The problem of the proper use of nesting techniques applied to Circular Convolution computation is highlighted. The well known method of transforming the Convolution nesting problem into a problem of nesting polynomial products named split-nesting is considered. It is then shown that for receiving optimum results polynomial products should be nested only if an inequality named the rule of number 2 is satisfied. Examples show that the algorithms obtained are much better than the split-radix ones. Using the nesting technique for multidimensional data is also discussed. >
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ICASSP - Selective nesting of Circular Convolution algorithms
[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics Speech and Signal Processing, 1992Co-Authors: R StasinskiAbstract:The problem of the proper use of nesting techniques applied to Circular Convolution computation is highlighted. The well known method of transforming the Convolution nesting problem into a problem of nesting polynomial products named split-nesting is considered. It is then shown that for receiving optimum results polynomial products should be nested only if an inequality named the rule of number 2 is satisfied. Examples show that the algorithms obtained are much better than the split-radix ones. Using the nesting technique for multidimensional data is also discussed. >
I Hartimo - One of the best experts on this subject based on the ideXlab platform.
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systolic array for 2d Circular Convolution using the chinese remainder theorem
International Symposium on Circuits and Systems, 1993Co-Authors: L Wang, I HartimoAbstract:A new systolic array is proposed for efficient implementation of two dimensional (2-D) Circular Convolution (CC). It performs the Chinese remainder theorem in two index coordinates in order to avoid the need of broadcasting inputs to all cells and Circular communication between the cells. The array is modular with nearest neighbor communication, and it is suitable for VLSI implementation. >
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systolic realisation for 1 d Circular Convolution using the chinese remainder theorem
Electronics Letters, 1993Co-Authors: L Wang, I HartimoAbstract:A novel systolic array is proposed for efficient implementation of one-dimensional Circular Convolution (CC). The array performs the Chinese remainder theorem to avoid the need for broadcasting inputs to all cells and Circular communication between the cells. The entire hardware is connected in a full pipeline with O(2N) throughput.
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ISCAS - Systolic array for 2D Circular Convolution using the Chinese remainder theorem
1993 IEEE International Symposium on Circuits and Systems, 1Co-Authors: L Wang, I HartimoAbstract:A new systolic array is proposed for efficient implementation of two dimensional (2-D) Circular Convolution (CC). It performs the Chinese remainder theorem in two index coordinates in order to avoid the need of broadcasting inputs to all cells and Circular communication between the cells. The array is modular with nearest neighbor communication, and it is suitable for VLSI implementation. >
L Wang - One of the best experts on this subject based on the ideXlab platform.
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systolic array for 2d Circular Convolution using the chinese remainder theorem
International Symposium on Circuits and Systems, 1993Co-Authors: L Wang, I HartimoAbstract:A new systolic array is proposed for efficient implementation of two dimensional (2-D) Circular Convolution (CC). It performs the Chinese remainder theorem in two index coordinates in order to avoid the need of broadcasting inputs to all cells and Circular communication between the cells. The array is modular with nearest neighbor communication, and it is suitable for VLSI implementation. >
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systolic realisation for 1 d Circular Convolution using the chinese remainder theorem
Electronics Letters, 1993Co-Authors: L Wang, I HartimoAbstract:A novel systolic array is proposed for efficient implementation of one-dimensional Circular Convolution (CC). The array performs the Chinese remainder theorem to avoid the need for broadcasting inputs to all cells and Circular communication between the cells. The entire hardware is connected in a full pipeline with O(2N) throughput.
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ISCAS - Systolic array for 2D Circular Convolution using the Chinese remainder theorem
1993 IEEE International Symposium on Circuits and Systems, 1Co-Authors: L Wang, I HartimoAbstract:A new systolic array is proposed for efficient implementation of two dimensional (2-D) Circular Convolution (CC). It performs the Chinese remainder theorem in two index coordinates in order to avoid the need of broadcasting inputs to all cells and Circular communication between the cells. The array is modular with nearest neighbor communication, and it is suitable for VLSI implementation. >
Kiyoshi Nishikawa - One of the best experts on this subject based on the ideXlab platform.
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property of Circular Convolution for subband image coding
International Conference on Acoustics Speech and Signal Processing, 1992Co-Authors: Kiyoshi Nishikawa, Hitoshi Kiya, Masahiko SagawaAbstract:One of the problems with subband image coding is the increase in image sizes caused by filtering. To solve this, it has been proposed to process the filtering by transforming an input sequence into a periodic one. Then, filtering is implemented by Circular Convolution. Although this technique solves the problem, there are very strong restrictions, i.e. limitations on the filter type and on the filter bank structure. The development of this technique is presented. Consequently, any type of linear-phase finite impulse response (FIR) filter and any structure of filter bank can be used. >
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ICASSP - Property of Circular Convolution for subband image coding
[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics Speech and Signal Processing, 1992Co-Authors: Kiyoshi Nishikawa, Hitoshi Kiya, Masahiko SagawaAbstract:One of the problems with subband image coding is the increase in image sizes caused by filtering. To solve this, it has been proposed to process the filtering by transforming an input sequence into a periodic one. Then, filtering is implemented by Circular Convolution. Although this technique solves the problem, there are very strong restrictions, i.e. limitations on the filter type and on the filter bank structure. The development of this technique is presented. Consequently, any type of linear-phase finite impulse response (FIR) filter and any structure of filter bank can be used. >
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Subband coding of images with Circular Convolution
[Proceedings] 1992 IEEE International Symposium on Circuits and Systems, 1Co-Authors: Masahiro Iwahashi, Hitoshi Kiya, Kiyoshi NishikawaAbstract:A novel filtering technique for subband coding (SBC) of images is introduced. The method avoids data increase, reduces reconstructed image data distortion, and activates any type of linear phase finite impulse response (FIR) filter. The procedure involves (1) special methods that generate periodic data from original nonperiodic data; (2) identifying the relation between periodic data types and filter types; and (3) the selection of an appropriate method of rate conversion. Simulation results show the benefit of the proposed method. >
B S Adiga - One of the best experts on this subject based on the ideXlab platform.
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perfect reconstruction Circular Convolution filter banks and their application to the implementation of bandlimited discrete wavelet transforms
International Conference on Acoustics Speech and Signal Processing, 1997Co-Authors: Ajit S Bopardikar, M R Raghurveer, B S AdigaAbstract:This paper introduces a new filter bank structure called the perfect reconstruction Circular Convolution (PRCC) filter bank. These filter banks satisfy the perfect reconstruction properties, namely, the paraunitary properties in the discrete frequency domain. We further show how the PRCC analysis and synthesis filter banks are completely implemented in this domain and give a simple and a flexible method for the design of these filters. Finally, we use this filter bank structure for a frequency sampled implementation of the discrete wavelet transform based on orthogonal bandlimited scaling functions and wavelets.
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ICASSP - Perfect reconstruction Circular Convolution filter banks and their application to the implementation of bandlimited discrete wavelet transforms
1997 IEEE International Conference on Acoustics Speech and Signal Processing, 1Co-Authors: Ajit S Bopardikar, M R Raghurveer, B S AdigaAbstract:This paper introduces a new filter bank structure called the perfect reconstruction Circular Convolution (PRCC) filter bank. These filter banks satisfy the perfect reconstruction properties, namely, the paraunitary properties in the discrete frequency domain. We further show how the PRCC analysis and synthesis filter banks are completely implemented in this domain and give a simple and a flexible method for the design of these filters. Finally, we use this filter bank structure for a frequency sampled implementation of the discrete wavelet transform based on orthogonal bandlimited scaling functions and wavelets.