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1. (WO2006123290) IMAGE PROCESSOR COMPRISING A CONTRAST ENHANCER

Pub. No.:    WO/2006/123290    International Application No.:    PCT/IB2006/051538
Publication Date: Nov 23, 2006 International Filing Date: May 16, 2006
IPC: G06T 5/20
Applicants: KONINKLIJKE PHILIPS ELECTRONICS N.V.
REDERT, Peter-Andre
Inventors: REDERT, Peter-Andre
Title: IMAGE PROCESSOR COMPRISING A CONTRAST ENHANCER
Abstract:
An image processor comprises a contrast enhancer that multiplies a brightness- determining component (Y x,y) of an image element by a scale factor (k x,y). The scale factor (k x,y) is a function of an extreme value (P x,y) in a signal that is representative of the brightness- determining component (Y x,y) and respective brightness-determining components (Y) of neighboring image elements. In a preferred embodiment, a morphological filter (MFL) establishes aforementioned signal and provides the extreme value (P x,y) thereof.