| 摘要 |
PURPOSE:To increase the picture processing speed by using a line memory in a picture processing device. CONSTITUTION:A digital differential analyzer 11 for enlargement and reduction in the transverse direction of a picture, a digital differential analyzer 12 for enlargement and reduction in the longitudinal direction, a read address counter 15 and a write address counter 14 which indicate the address of the line memory, a multiplexer 13 for switching between read and write of picture data, and a register 16 which indicates output of data are provided to constitute a line memory control circuit. |
