Image display apparatus having delta arrangement type screen...

Details Image display apparatus having delta arrangement type screen... Image display apparatus having delta arrangement type screen...

2007-07-24

2007-07-24

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

10814284

ABSTRACT:
In order to reduce aliasing as much as possible in a display apparatus that has a delta arrangement type screen, an image filter for performing a neighborhood operation is incorporated as a previous stage of a screen driving circuit. The image filter realizes low pass filtering including space frequency limitation in the diagonal direction that is suitable for a display on the delta arrangement type screen. Coefficients that constitute the filter matrix are optimized so that frequency components that exceed a Nyquist limit in the delta arrangement are suppressed. Coefficients that give optimal filter characteristics for any scale of filter matrix are defined by an expression.

REFERENCES:
patent: 6905215 (2005-06-01), Segler et al.
patent: 2003/0067426 (2003-04-01), Awamoto et al.
patent: 9-50768 (1997-02-01), None
patent: 2003-122293 (2003-04-01), None

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