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Proceedings Paper

False colors removal on the YCr-Cb color space
Author(s): Valeria Tomaselli; Mirko Guarnera; Giuseppe Messina
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Paper Abstract

Post-processing algorithms are usually placed in the pipeline of imaging devices to remove residual color artifacts introduced by the demosaicing step. Although demosaicing solutions aim to eliminate, limit or correct false colors and other impairments caused by a non ideal sampling, post-processing techniques are usually more powerful in achieving this purpose. This is mainly because the input of post-processing algorithms is a fully restored RGB color image. Moreover, post-processing can be applied more than once, in order to meet some quality criteria. In this paper we propose an effective technique for reducing the color artifacts generated by conventional color interpolation algorithms, in YCrCb color space. This solution efficiently removes false colors and can be executed while performing the edge emphasis process.

Paper Details

Date Published: 19 January 2009
PDF: 10 pages
Proc. SPIE 7250, Digital Photography V, 72500C (19 January 2009); doi: 10.1117/12.805806
Show Author Affiliations
Valeria Tomaselli, STMicroelectronics (Italy)
Mirko Guarnera, STMicroelectronics (Italy)
Giuseppe Messina, STMicroelectronics (Italy)

Published in SPIE Proceedings Vol. 7250:
Digital Photography V
Brian G. Rodricks; Sabine E. Süsstrunk, Editor(s)

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