Image analysis – Image segmentation
Reexamination Certificate
2006-04-18
2006-04-18
Do, Anh Hong (Department: 2627)
Image analysis
Image segmentation
C382S164000
Reexamination Certificate
active
07031518
ABSTRACT:
A method and a system for separating an image signal into a set of image planes. The system comprises a min-max module, a dynamic threshold module and a separation module. The min-max module receives the image signal, searches for a minimum and maximum within at least one window centered on a current pixel in the image signal. The dynamic threshold module computes, for the window, based on the respective minimum and maximum received from the min-max module and the current pixel, a respective indicator representing the distance and direction of the current pixel relative to a respective threshold plane, and outputs a control signal based on the indicator. The separation module separates the image signal into the set of image planes in accordance with the control signal by including a representation of the current pixel in at least one of the image planes.
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Curry Donald J.
Kletter Doron
Nafarieh Asghar
Do Anh Hong
Xerox Corporation
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