Spenseley Horn Jubas & Lubitz
Dilation/erosion conversion circuit
 A circuit for processing a dilation conversion and erosion conversion of a digital image data to extract the feature of the image. A range N.times.N of the image data is processed by a simple circuit construction which a horizontal row extraction circuit holding N data and a conversion stage for converting N data are disposed in a crisscross arrangement. 
Seiko Instruments Inc.
G G
G06V G06T
inventional inventional
Tetsumi Toshiyuki Shuichi Yuko
Kawamoto Yamada Wakabayashi Murayama