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Dive into the research topics where Maciej Kopczynski is active.

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Featured researches published by Maciej Kopczynski.


rough sets and knowledge technology | 2013

FPGA in Rough Set Based Core and Reduct Computation

Tomasz Grześ; Maciej Kopczynski; Jaroslaw Stepaniuk

In this paper we propose a combination of capabilities of the FPGA based device and PC computer for data processing using rough set methods. Presented architecture has been tested on a random data. Obtained results confirm the significant acceleration of the computation time using hardware supporting rough sets operations in comparison to software implementation.


Fundamenta Informaticae | 2013

The First Step Toward Processor for Rough Set Methods

Jaroslaw Stepaniuk; Maciej Kopczynski; Tomasz Grzes

In this paper we propose a combination of capabilities of the FPGA based device and PC computer for data processing using rough set methods. Presented architecture has been tested on the exemplary data sets. Obtained results confirm the significant acceleration of the computation time using hardware supporting rough set operations in comparison to software implementation.


International Conference on Rough Sets and Intelligent Systems Paradigms | 2014

Generating Core in Rough Set Theory: Design and Implementation on FPGA

Maciej Kopczynski; Tomasz Grzes; Jaroslaw Stepaniuk

In this paper we propose the FPGA based device for data processing using rough set methods. Presented architecture has been tested on a real-world data. Obtained results confirm the huge acceleration of the computation time using hardware supporting core generation in comparison to software implementation.


Rough Sets and Intelligent Systems (2) | 2013

Hardware Implementations of Rough Set Methods in Programmable Logic Devices

Maciej Kopczynski; Jaroslaw Stepaniuk

This paper describes current achievements in hardware realization of rough sets algorithms in FPGA (Field Programmable Gate Array) logic devices. At the moment, only few ideas and hardware implementations have been created. This chapter is a survey of them.


Proceedings of the 2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT) on | 2014

FPGA in Rough-Granular Computing: Reduct Generation

Maciej Kopczynski; Tomasz Grzes; Jaroslaw Stepaniuk

In this paper we propose a combination of capabilities of the FPGA based device for computing reduct. Presented architecture has been tested on a real-world data. Obtained results confirm the huge acceleration of the computation time using hardware supporting reduct computation in comparison to software implementation.


Fundamenta Informaticae | 2016

Rough Sets Based LEM2 Rules Generation Supported by FPGA

Maciej Kopczynski; Tomasz Grześ; Jaroslaw Stepaniuk

In this paper we propose a combination of capabilities of the FPGA based device and PC computer for rough sets based data processing resulting in generating decision rules. Presented architecture has been tested on the exemplary datasets. Obtained results confirm the significant acceleration of the computation time using hardware supporting rough set operations in comparison to software implementation.


computer information systems and industrial management applications | 2016

Hardware Supported Rough Sets Based Rules Generation for Big Datasets

Maciej Kopczynski; Tomasz Grzes; Jaroslaw Stepaniuk

In this paper we propose a combination of capabilities of the Field Programmable Gate Arrays based device and PC computer for rough sets based data processing resulting in generation of decision rules. Solution is focused on big datasets. Presented architecture has been tested in programmable unit on real datasets. Obtained results confirm the significant acceleration of the computation time using hardware supporting rough set operations in comparison to software implementation.


Fundamenta Informaticae | 2016

Core for Large Datasets: Rough Sets on FPGA

Maciej Kopczynski; Tomasz Grześ; Jaroslaw Stepaniuk

In this paper we propose the FPGA and softcore CPU based device for large datasets core calculation using rough set methods. Presented architecture has been tested on two real datasets by downloading and running presented solution inside FPGA. Tested datasets had 1 000 to 10 000 000 objects. The same operations were performed in software implementation. Obtained results show the big acceleration in computation time using hardware supporting core generation in comparison to pure software implementation.


rough sets and knowledge technology | 2015

Computation of Cores in Big Datasets: An FPGA Approach

Maciej Kopczynski; Tomasz Grzes; Jaroslaw Stepaniuk

In this paper we propose the FPGA and softcore CPU supported device for performing core calculation for large datasets using rough set methods. Presented architecture has been tested on two real datasets by downloading and running presented solution inside FPGA. Sizes of the datasets were in range 1 000 to 10 000 000 objects. Results show the big acceleration in terms of the computation time using hardware supporting core generation unit.


international joint conference on rough sets | 2017

Hardware Supported Rule-Based Classification on Big Datasets

Maciej Kopczynski; Tomasz Grzes; Jaroslaw Stepaniuk

In this paper we propose a combination of capabilities of the Field Programmable Gate Arrays based device and PC computer for data processing resulting in classification using previously generated decision rules. Solution is focused on big datasets. Presented architecture has been tested in programmable unit on real datasets. Obtained results confirm the significant acceleration of the computation time using hardware supported operations in comparison to software implementation.

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Jaroslaw Stepaniuk

Bialystok University of Technology

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Tomasz Grzes

Bialystok University of Technology

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Tomasz Grześ

Bialystok University of Technology

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