Accession Number : AD0263117

Title :   GRAPHICAL DATA PROCESSING RESEARCH STUDY AND EXPERIMENTAL INVESTIGATION

Corporate Author : STANFORD RESEARCH INST MENLO PARK CALIF

Personal Author(s) : BRAIN,A.E. ; FORSEN,G.E. ; BOURNE,C.P.

Report Date : JUL 1961

Pagination or Media Count : 1

Abstract : Patterns which may be correctly classified by a binary decision unit of the type employed in the machine described in AD-257 307 are discussed. The number of conflicting patterns that may be treated is comparable with the number of adjustable weighted connections associated with the binary. An argument is advanced for using a high controlling threshold to ensure that only that portion of the machine containing the most highly correlated information becomes active. If the threshold level is regulated by the area of the retina occupied by the pattern, the fraction of the machine that is active is roughly independent of the pattern size. Two methods are described for increasing the safety margin in borderline discrimination. The experiment requiring discrimination over the whole retina between superimposed horizontal and vertical bars was extended to include the toroidally-connected retinal space. C nvergence to perfect discrimination was examined for several values of threshold level; a high threshold was most effective in ensuring rapid convergence. (Author)

Descriptors :   *MILITARY RESEARCH, *DATA PROCESSING, *DATA STORAGE SYSTEMS, *IDENTIFICATION SYSTEMS, *MILITARY RESEARCH, AERIAL PHOTOGRAPHS, CODING, DIGITAL COMPUTERS, DOCUMENTS, VIDEO NETWORKS

Distribution Statement : APPROVED FOR PUBLIC RELEASE