Face detection in color images using skin color, Laplacian of Gaussian, and Euler number

Shylaja Saligrama Sundara Raman; Balasubramanya Murthy Kannanedhi Narasimha Sastry; Natarajan Subramanyam; Ramya Senkutuvan; Radhika Srikanth; Nikita John; Prateek Rao

doi:10.1117/12.853491

26 February 2010 Face detection in color images using skin color, Laplacian of Gaussian, and Euler number

Shylaja Saligrama Sundara Raman, Balasubramanya Murthy Kannanedhi Narasimha Sastry, Natarajan Subramanyam, Ramya Senkutuvan, Radhika Srikanth, Nikita John, Prateek Rao

Author Affiliations +

Proceedings Volume 7546, Second International Conference on Digital Image Processing; 754629 (2010) https://doi.org/10.1117/12.853491
Event: Second International Conference on Digital Image Processing, 2010, Singapore, Singapore

Abstract

In this a paper, a feature based approach to face detection has been proposed using an ensemble of algorithms. The method uses chrominance values and edge features to classify the image as skin and nonskin regions. The edge detector used for this purpose is Laplacian of Gaussian (LoG) which is found to be appropriate when images having multiple faces with noise in them. Eight connectivity analysis of these regions will segregate them as probable face or nonface. The procedure is made more robust by identifying local features within these skin regions which include number of holes, percentage of skin and the golden ratio. The method proposed has been tested on color face images of various races obtained from different sources and its performance is found to be encouraging as the color segmentation cleans up almost all the complex facial features. The result obtained has a calculated accuracy of 86.5% on a test set of 230 images.

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Shylaja Saligrama Sundara Raman, Balasubramanya Murthy Kannanedhi Narasimha Sastry, Natarajan Subramanyam, Ramya Senkutuvan, Radhika Srikanth, Nikita John, and Prateek Rao "Face detection in color images using skin color, Laplacian of Gaussian, and Euler number", Proc. SPIE 7546, Second International Conference on Digital Image Processing, 754629 (26 February 2010); https://doi.org/10.1117/12.853491

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KEYWORDS

Skin

Facial recognition systems

Image segmentation

Edge detection

Image processing

Digital image processing

Image filtering

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