Image analysis – Histogram processing – For setting a threshold
Patent
1991-03-04
1992-10-27
Mancuso, Joseph
Image analysis
Histogram processing
For setting a threshold
382 36, 382 48, 395 51, G06K 968
Patent
active
051596474
ABSTRACT:
By processing the highest-resolution graphical data (e.g., image data) pertaining to relevant-objects defined by the graphical data into abstracted multiple-attribute information that is stored in a group of nodes of the lowest level of a hierarchy of data arrays (e.g., the leaf nodes of a complete data tree file), the present invention processes the data of each of these hierarchy of data arrays backward toward a single node of the highest level of the hierarchy of data arrays (e.g., the root node of a complete data tree file), to derive an attribute vector of all the abstracted multiple-attribute information at this single node. The derived attribute vector is then used to guide a search down the hierarchy of data arrays from the single node of its highest level toward at least a selected one of the group of nodes of its lowest level (which, by way of example, may correspond to the location of a likely relevant object). In this manner, a search made over a relatively large spatial domain for a relatively small relevant object can be converted into a search for the relevant object as described in the attribute domain of the hierarchy of data arrays, where such means as direct indexing may be used.
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Burke William J.
David Sarnoff Research Center Inc.
Mancuso Joseph
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