| 摘要 |
PROBLEM TO BE SOLVED: To reduce circuit scale in a data converting apparatus available for color space conversion. SOLUTION: The data converting apparatus includes: a dividing means for dividing each of components of N-dimensional data into high-order bits and low-order bits; a storage means for storing data corresponding to a position in an N-dimensional coordinate space as a lookup table (LUT); an address generating means for generating addresses of data corresponding to (N+1) apex positions of an N-dimensional super-tetrahedron including coordinates of inputted N-dimensional data inside; a reading means for reading data from the storage means by twice accessing the storage means on the basis of the generated addresses; and an interpolation operating means for performing an interpolating operation based on the data read by the reading means and a value of the low-order bits and outputting a result of conversion as data, and is characterized in that the storage means stores data corresponding to apexes of a super-solid while dividing the data into 2<SP>N-2</SP>pieces of data. COPYRIGHT: (C)2007,JPO&INPIT
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