초록 ▼

An image processing apparatus for effecting image processing by N-point interpolation, utilizing lattice points stored in a table corresponding to image data, includes input unit for entering image data, and interpolation unit for effecting an interpolation process employing, according to the image

An image processing apparatus for effecting image processing by N-point interpolation, utilizing lattice points stored in a table corresponding to image data, includes input unit for entering image data, and interpolation unit for effecting an interpolation process employing, according to the image data, lattice points not exceeding N points and including a lattice point outside an interpolating solid represented by N lattice points where the image data is located.

대표청구항 ▼

1. An image processing apparatus which calculates output color image data from input color image data by using a table, comprising:a quantization unit for quantizing respective color components constituting the input color image data and outputting upper N bits and one upper (N+1)th bit for each of

1. An image processing apparatus which calculates output color image data from input color image data by using a table, comprising:a quantization unit for quantizing respective color components constituting the input color image data and outputting upper N bits and one upper (N+1)th bit for each of the respective color components; a reading unit for reading, from a table in which lattice point data corresponding to plural representative input values have been stored, the plural lattice point data corresponding to the upper N bits; and a processor that performs, according to the plural one bits output by said quantization unit, only an addition process and a bit shift operation from the plural lattice point data to calculate the output image data.