Gray scale level reduction method, apparatus and integrated circ

Details Gray scale level reduction method, apparatus and integrated circ Gray scale level reduction method, apparatus and integrated circ

1997-11-21

2000-10-17

Sax, Steven

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345467, G06F 314

Patent

active

061339024

ABSTRACT:
A gray scale reduction method or apparatus reduces required memory capacity for storing gray scale as compared with conventional gray scale reduction methods. The gray scale reduction apparatus performs quantization error scattering of input gray level data of an input image. Data produced by the quantization error scattering is filtered after completing the quantization error scattering.

REFERENCES:
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patent: 5699078 (1997-12-01), Yamazaki et al.
patent: 5703621 (1997-12-01), Martin et al.
patent: 5781176 (1998-07-01), Rey et al.
patent: 5861869 (1999-01-01), Scheffer et al.
patent: 5910805 (1999-06-01), Hickey et al.
patent: 5917471 (1999-06-01), Choi

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