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     Research Journal of Applied Sciences, Engineering and Technology

    Abstract
2014(Vol.7, Issue:15)
Article Information:

Inter Channel Correlation based Demosaicking Algorithm for Enhanced Bayer Color Filter Array

K. John Peter, S. Arumugam and K. Senthamarai Kannan
Corresponding Author:  K. John Peter 
Submitted: August 01, 2013
Accepted: August 23, 2013
Published: April 19, 2014
Abstract:
Demosaicking is a process of obtaining a full color image by interpolating the missing colors of an image captured from a digital still and video cameras that use a single-sensor array. In this study a new Color Filter Array (CFA) is proposed. Which is based on the actual weight of the Human Visual System. It is developed based on the sensitivity level of the human eye to red as 29.9%, green as 58.7% and blue as 11.4%. This study also provides an effective iterative demosaicing algorithm applying a weighted-edge interpolation to handle green pixels followed by a series of color difference interpolation to update red, blue and green pixels. Before applying demosaicking algorithm Gaussian filter is applied to remove noise of the sensor applied image and also enhance the image quality. Experimental results show that the proposed method performs much better than other latest demosaicing techniques in terms of image quality and PSNR value.

Key words:  Bayer’s sampling, color difference, color interpolation, Gaussian filter, iterative demosaicing, ,
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Cite this Reference:
K. John Peter, S. Arumugam and K. Senthamarai Kannan, . Inter Channel Correlation based Demosaicking Algorithm for Enhanced Bayer Color Filter Array. Research Journal of Applied Sciences, Engineering and Technology, (15): 3049-3055.
ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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