FPGA Implementation of Laplacian of Gaussian Edge Detection Algorithm

Feng Wang; Gui Tang Wang; Rui Huang Wang; Xiao Wu Huang

doi:10.4028/www.scientific.net/AMR.282-283.157

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 282-283FPGA Implementation of Laplacian of Gaussian Edge...

FPGA Implementation of Laplacian of Gaussian Edge Detection Algorithm

Abstract:

This paper introduces a design of gaussian Laplace edge detection algorithm model based on system generator which can be realized in FPGA.The data of a two- dimensional image was changed into a one-dimensional array，before line buffering in two Dual port RAM,the convolution of the image pixel data and the LOG template was carried out in the modules constituted of the component elements such as AddSub, Shift and Delay . After getting the absolute value with the modules of Slice，Negate and Mux ，the output was the image after edge-detection .The module function and the selecting principle was analyzed from the point of view of saving FPGA resources.The WaveScope and resource estimator showed that ：not only the detection result and the running speed was guaranteed but also the FPGA resources can be saved .

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Periodical:

Advanced Materials Research (Volumes 282-283)

Pages:

157-160

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.282-283.157

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Online since:

July 2011

Authors:

Feng Wang, Gui Tang Wang, Rui Huang Wang, Xiao Wu Huang

Keywords:

Convolution, Edge Detection, Field-Programmable Gate Array (FPGA), Laplacian of Gaussian (LOG), System

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References

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