The median filtering method based upon Rough set theory was applied to the sonar image processing, and the demonstration was given.
将基于粗集理论的中值滤波应用于声呐图像处理中，给出了实验结果。
2
The president's private office features ROCKFON(R) Sonar(TM) 1-by-6-foot panels set in a staggered, brickwork pattern for distinctive, distinguished look.