Patent · US Active

Method of chromatic classification of pixels and method of adaptive enhancement of a color image

US8374425B2 · kind B2 · utility

2Cited by

9References

11Claims

0Family size

Assignee

STMicroelectronics SA

Inventors

Filippo Naccari · Mascalucia, IT
Arcangelo Ranieri Bruna · Canicattì, IT
Alfio Castorina · Trecastagni, IT

Key dates

Filing date	Dec 17, 2007
Grant date	Feb 12, 2013
Priority date	—
Expiry date	Oct 29, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04N1/628
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A method of processing digital images by transforming a set of pixels from a three-dimensional space to a normalized two-dimensional space, determining a membership class and membership class level of each pixel in the set of pixels, and selectively modifying colors of pixels in the set of pixels based on the determined membership classes and membership class levels.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.