TY - JOUR
AU - Kamiya, Takeshi
AB - For the total system of optical cards defects on cards deteriorate their performance. We have developed an automatic inspection system of optical cards where we have applied spatial filtering technique to eliminate the periodic background pattern.
TI - Application of spatial filtering technique to automatic optical card inspection
JO - Proceedings of SPIE
DO - 10.1117/12.34773
DA - 1990-07-01
UR - https://www.deepdyve.com/lp/spie/application-of-spatial-filtering-technique-to-automatic-optical-card-3ZX0k8bezq
SP - 410
EP - 411
VL - 1319
IS - 1
DP - DeepDyve
ER -