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Dynamic range optimization by local contrast correction and histogram image analysis

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5 Author(s)
Capra, A. ; Adv. Syst. Technol., STMicroelectronics srl, Catania ; Castrorina, A. ; Corchs, S. ; Gasparini, F.
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The original dynamic range of a scene is generally constrained into the smaller dynamic range of the acquisition system. This results in the difficulty to design a global tone correction that permits to discriminate both shadow and highlight details. In this work we present a local contrast correction algorithm that allows for simultaneous shadow and highlight adjustments, starting from a simple pixel-wise "gamma" correction, piloted by image statistics analysis

Published in:

Consumer Electronics, 2006. ICCE '06. 2006 Digest of Technical Papers. International Conference on

Date of Conference:

7-11 Jan. 2006