2012
DOI: 10.4304/jmm.7.6.429-433
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An Improved Difference of Gaussian Filter in Face Recognition

Abstract:

In this paper, we analyze an improved DOG filter with different parameters in horizontal and vertical directions and the improved filter uses oval recognition domain instead of round recognition domain of classic DOG filter. The improved filter is used to compare with major illumination pretreatment methods. The experiment result shows the improved method has better recognition and false detection rate.

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Cited by 45 publications
(25 citation statements)
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“…For the smoothing method, Gaussian filter [8] is employed. Looking at the surface of the cavity as two-dimensional surface, the gradient vector is smoothed.…”
Section: Smoothing Processmentioning
confidence: 99%
“…For the smoothing method, Gaussian filter [8] is employed. Looking at the surface of the cavity as two-dimensional surface, the gradient vector is smoothed.…”
Section: Smoothing Processmentioning
confidence: 99%
“…Pattern recognition algorithm can be used in the information filtering [12,13,14], such as SVM and KNN algorithm. Their process is very similar with information filtering.…”
Section: Introductionmentioning
confidence: 99%
“…For this reason, for financing institutions, such as banks, how to recognize customers is critical for keeping and attracting customers with high value. However, the database of financing institution is becoming larger, and its noise is increasingly big, so it is helpful to recognize valuable customers and predict customers' interest for bank to effectively analyze, process and explain customer information, and extract the hidden information from large information with data mining technology, so that personalized services can be provided, customers' satisfaction and fidelity can be improved as well [4][5].…”
Section: Introductionmentioning
confidence: 99%