Color Filter Array Interpolation for Edge Strength Filters
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International Journal of Engineering Trends and Technology (IJETT) | 
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| © 2013 by IJETT Journal | ||
| Volume-4 Issue-7 |
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| Year of Publication : 2013 | ||
| Authors : L.Naveen , B.Shobanbabu |
Citation
L.Naveen , B.Shobanbabu. "Color Filter Array Interpolation for Edge Strength Filters". International Journal of Engineering Trends and Technology (IJETT). V4(7):2774-2778 Jul 2013. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group.
Abstract
Basically we use beam splitters to capture data or image. Using beam splitters is very expensive, so inorder to overcome this we go for an alternative technique called color filters arrays. As a result of this, only one of the required three color samples becomes available at each pixel location and the other two need to be interpolated. This process is called Color Filter Array (CFA) interpolation or demosaicing. Many demosaicing algorithms have been introduced over the years to improve subjective and obj ective interpolation quality. We propose an orientation - free edge strength filter and apply it to the demosaicing problem. Edge strength filter output is utilized both to improve the initial green channel interpolation and to apply the constant color diffe rence rule adaptively. This simple edge directed method yields visually pleasing results with high CPSNR
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Keywords
Color filter array (CFA) interpolation, demosaicing, edge directed interpolation, orientation - free edge filter.