Signal processing apparatus and image processing apparatus

Details Signal processing apparatus and image processing apparatus Signal processing apparatus and image processing apparatus

G - Physics

06

F

G06F 17/10 (2006.01) G06T 1/00 (2006.01) G06T 15/00 (2006.01)

Patent

CA 2260345

A signal processing apparatus for linear interpolation capable of performing operations to obtain suitable original data even when an interpolation coefficient a is 1.0, wherein a correction term selects A when .alpha. = 0 × FF (.alpha. = 1.0) and selects B when the bit is 0. The selected data becomes an element of addition by being shifted for the number of bits of .alpha.. A product summation operation term uses the upper 8 bits of the result of multiplication of 8 bits × 8 bits and shifts the 8-bit result of operation 8 bits to the left so as to enable further addition of the product summation operation term. An adder adds the shifted correction term,.the partial products out_0 to out_7, and the product summation operation term and outputs the upper 8 bits as the result of the operation.

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