Look-up table methods for reducing the use of memory volume...

Details Look-up table methods for reducing the use of memory volume... Look-up table methods for reducing the use of memory volume...

2006-08-01

2006-08-01

Ngo, Chuong D. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07085792

ABSTRACT:
The present invention relates to a look up table method for reducing the use of memory and more particularly to a condition while the input value has higher bits than the output value. This look up table method comprises: data storing that storing the input data into memory corresponding with output data with reference to the address of output data; and data searching including reading an input data, finding a closest address to the input data, and outputting the closest address. In this present invented look-up table method, the relation curve between the output value and corresponded input value is a monotonic curve, such as a γ curve.

REFERENCES:
patent: 5289406 (1994-02-01), Uramoto et al.
patent: 5937088 (1999-08-01), Hsu
patent: 6919975 (2005-07-01), Haikin et al.
patent: 6931426 (2005-08-01), Cho

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