| 摘要 |
PROBLEM TO BE SOLVED: To provide an image processor to perform a rotation processing for a binary image at high speed without performing a shift processing of an image and without using a mask for data extraction for which the shift processing is required. SOLUTION: In the image processor with a holding means 4 to hold the binary image data for which the rotation processing is performed, it is characterized by providing a binary image data rotation and development processing means 2-0 to perform a rotation and development processing for the binary image data, a rotation mask table means 2-1 to instruct a bit position to take out the binary image from an original image to receive the rotation processing and a rotation and transformation table means 2-2 to instruct data to be filled in a position to which the original image is transferred when the original image to receive the rotation processing is rotated by 90 degrees. |
