Method for enhancing colour resolution and device exploiting...

Details Method for enhancing colour resolution and device exploiting... Method for enhancing colour resolution and device exploiting...

2006-09-05

2011-12-20

Caschera, Antonio (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S589000, C345S605000, C345S611000, C382S299000

Reexamination Certificate

active

08081194

ABSTRACT:
The invention relates to a method for enhancing color resolution and particularly for obtaining bit resolution in a display using a bits per pixel system frame buffer. The invention uses logic to create intermediate pixel values between bpp color values. The invention proposes to store the image in the system frame buffer always with a fixed number of bits and using Error Diffusion Dither. Then a postprocessing filter is provided to provide the enhanced color resolution using a greater number of bits per pixel as accepted by the display means. The invention also relates to a device exploiting the method.

REFERENCES:
patent: 5600764 (1997-02-01), Kakutani
patent: 6008796 (1999-12-01), Vaswani et al.
patent: 7342688 (2008-03-01), Chen et al.
patent: 2002/0109702 (2002-08-01), Kobayashi
patent: A-1 387 319 (2004-02-01), None
International Preliminary Report on Patentability, date of completion of report Sep. 24, 2007.
European Search Report of EP 05 108 958.9.
International Search Report of PCT/EP2006/066023, mailed Nov. 11, 2006.

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