Image Subtraction by Polarization-Shifted Periodic Carrier.
Rept. for Jul-Oct 72,
AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS
Pagination or Media Count:
A coherent image subtractor is described that makes use of a periodic carrier that is effectively shifted by one-half period by simple sheet polarizing material. As the system has two input stations, the two transparencies to be subtracted are simultaneously visible to facilitate alignment. Author