Image processing apparatus having storage area for efficiently s

Details Image processing apparatus having storage area for efficiently s Image processing apparatus having storage area for efficiently s

1996-02-12

1999-04-20

Jankus, Almis R.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

345437, G06T 300

Patent

active

058961372

ABSTRACT:
An average calculating section calculates an average of nine pixel values of each pixel block. With an assumption that the average value is expressed by 9 bits as a.sub.1 a.sub.2 a.sub.3 a.sub.4 a.sub.5 a.sub.6 a.sub.7 a.sub.8 a.sub.9 (a.sub.k : 1-bit value), a data allocating section allocates the respective bits a.sub.1 -a.sub.9 to 3.times.3 bits of each memory block of a two-value data storing section. After the nine bits a.sub.1 -a.sub.9 are read out from the two-value data storing section, a data reconstructing section combines those nine bits into the original average value, and repeatedly copies the average value to form a 3.times.3 pixel block.

REFERENCES:
patent: 5231694 (1993-07-01), Novak Mark F. et al.
patent: 5386509 (1995-01-01), Suzuki et al.
patent: 5491769 (1996-02-01), Moller
patent: 5600761 (1997-02-01), Ng et al.

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