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A Parallel Architecture for Improving the Performance of the Kriging Algorithm

Authors: Özgür TAMER; Ahmet Esat GENÇ;

A Parallel Architecture for Improving the Performance of the Kriging Algorithm

Abstract

Estimating missing data values by using interpolation algorithms is a well-known technique. Kriging is an optimized interpolation method based on regression against evaluated values from the surrounding observation points, weighted according to spatially varying values according to the covariance between these observation points. It has been widely used for estimating the missing geological data of the areas based on the measurements in close proximity. In this work we use the Kriging to recover the missing pixels of digital images. Even though Kriging is considered as successful on estimating the missing pixels, the algorithm has a high operation load, causing delays especially for live streaming videos. In this paper we propose a parallel architecture to improve the performance and reduce the operation time of the Kriging Algorithm for estimating the missing pixels. The proposed method can be applied on Field Programmable Gate Arrays (FPGA) and considerable performance improvement have been achieved depending on the number of logic blocks available inside the FPGA.

Keywords

paralel mimariler, görüntü tekrar inşası, Kriging algorithm;parallel architectures;interpolation;image reconstruction;FPGA, Kriging Algoritması, parallel architectures, interpolasyon, Kriging algorithm, Elektrik Mühendisliği, image reconstruction, Kriging Algoritması;paralel mimariler;interpolasyon;görüntü tekrar inşası;FPGA, interpolation, FPGA, Electrical Engineering

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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