Adaptive gradient weighting technique for detector bad cell...

Details Adaptive gradient weighting technique for detector bad cell... Adaptive gradient weighting technique for detector bad cell...

2011-04-05

2011-04-05

Bali, Vikkram (Department: 2624)

Image analysis

Image enhancement or restoration

C382S300000, C382S132000, C382S128000, C382S131000, C382S133000, C348S246000, C348S272000, C348S273000, C250S200000, C250S559010, C250S559030, C250S559040, C250S559050, C250S559060, C250S559070, C250S559080, C250S559450, C250S559460

Reexamination Certificate

active

07920751

ABSTRACT:
An imaging system includes a two-dimensional detector having a plurality of cells wherein each cell is configured to detect energy or signal passing through an object. The imaging system includes a computer programmed to acquire imaging data for the plurality of cells, identify a cell to be corrected, based on the imaging data, interpolate Ixand Iyfor the identified cell based on neighbor cells, and calculate local gradients gxand gybetween the identified cell and its neighbor cells based on the interpolation. The computer is further programmed to calculate weighting factors wxand wybased on the local gradients, calculate a corrected final value I(0,0) for the identified cell, and correct the identified cell with the corrected final value.

REFERENCES:
patent: 5473663 (1995-12-01), Hsieh
patent: 6408109 (2002-06-01), Silver et al.
patent: 6421084 (2002-07-01), Chang et al.
patent: 6496609 (2002-12-01), Walter
patent: 6724945 (2004-04-01), Yen et al.
patent: 6792159 (2004-09-01), Aufrichtig et al.
patent: 7068854 (2006-06-01), Aufrichtig et al.
patent: 7502505 (2009-03-01), Malvar et al.
patent: 7577315 (2009-08-01), Uvarov et al.
patent: 2004/0141072 (2004-07-01), Nilsson et al.
patent: 2005/0063513 (2005-03-01), Hsieh et al.
patent: 2006/0170801 (2006-08-01), Dennis et al.
patent: 2007/0002154 (2007-01-01), Kang et al.

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