| 摘要 |
PROBLEM TO BE SOLVED: To lower the contrast of false image such as moire in the process of interpolaring operation such as extension, non-magnification and reduction by adding a vector acquired from a random number to a coordinate point and performing and geometrical coordinate transformation by the interpolating operation while using this vector. SOLUTION: When performing geometrical coordinate transformation from an N-dimensional data sequence A to an N-dimensional data sequence B, the coordinate point, for which the vector acquired from the random number generated by a random number instrument is added to the coordinate point calculated from geometrical relation by an arithmetic processor, is acquired. Then, the data sequence B is acquired by the interpolating operation from the data sequence A by the arithmetic processor while using this added coordinate point. For example, two-dimensional images are collected by an image input device 16 while using two-dimensional area sensors, the interpolating operation is executed by an interpolating arithmetic unit 17 based on the coordinate points prepared by a coordinate generator 18, and the picture element values of respective coordinate points are calculated. The coordinate generator 18 generates the coordinate for which coordinate deviation generated by random functions is added to the geometrical coordinate points. |
