Method for automatic removal of vertical streaks by...

Details Method for automatic removal of vertical streaks by... Method for automatic removal of vertical streaks by...

2005-03-22

2005-03-22

Chang, Jon (Department: 2623)

Image analysis

Pattern recognition

Feature extraction

C382S262000, C382S275000

Reexamination Certificate

active

06870959

ABSTRACT:
A method for automatic removal of vertical streaks involves a comparison between image data for a pixel and its neighbor pixels to determine whether the pixel is non-homogenous. In a preferred method, the comparison employs an adaptive threshold against which a difference between the pixel and its neighbor pixels is compared, with the adaptive threshold taking into account accumulative information pertaining to pixels generated by a common optical sensor element. A preferred method also includes the step of considering locations of non-homogenous pixels in the image to determine whether the image data associated with the non-homogenous pixels needs to be changed or modified. A preferred method also includes the step of associating the non-homogenous pixels with different image data.

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patent: 08272956 (1996-10-01), None
Abreu et al. “A Simple Algorithm for Restoration of Images Corrupted by Streaks.” ISCAS '96, IEEE Int. Symp. on Circuits and Systems, vol. 2, May 12, 1996, pp. 730-733.

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