Methods for efficient filtering of data

Details Methods for efficient filtering of data Methods for efficient filtering of data

2006-12-19

2006-12-19

Chaki, Kakali (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07152081

ABSTRACT:
An apparatus and method for filtering data that include retrieving a plurality of data samples from memory; computing a locus of the samples; computing a distance between an input value and the locus; comparing the distance between the input value and the locus with a first threshold value; applying a distance-based filter to the samples; and comparing an output value of the median filter with a second threshold value.

REFERENCES:
patent: 4868773 (1989-09-01), Coyle et al.
patent: 4953145 (1990-08-01), Carlson
patent: 5138567 (1992-08-01), Mehrgardt
patent: 5246670 (1993-09-01), Haber et al.
patent: 5862064 (1999-01-01), Bae et al.
patent: 5900006 (1999-05-01), Yoon
patent: 5912826 (1999-06-01), Bangham et al.
patent: 5968111 (1999-10-01), Bae et al.
patent: 6018750 (2000-01-01), Connell et al.
patent: 6199084 (2001-03-01), Wiseman
patent: 05-216753 (1995-04-01), None
Gonzalo et al., On the synthesis of median filter systems, Apr. 1987, IEEE transactions on circuits and systems, vol. CAS-34, pp. 420-429.
Lin Yin et al., Weighted median filters: a tutorial, Mar. 1996, IEEE Transactions on circuits and systems-II: analog and digital signal processing, vol. 43, No. 3, pp. 157-192.
Smoka et al., On the fast modified vector median filter, May 2001, IEEE, pp. 1315-1319.
Gonzalo Arce, A general weighted median filter structure admitting negative weights, Dec. 1998, IEEE transactions on signal processing, vol. 46, No. 12, pp. 3195-3205.
Lin et al., Weighted Median Filters: A Tutorial, IEEE Transactions on Circuits and Systems-II: Analog and digital signal processing, vol. 43, No. 3, Mar. 1996, pp. 157-192.
Gonzalo et al., On the Synthesis of Median Filter Systems, IEEE Transactions on Circuits and Systems, vol. 34, No. 4, Apr. 1987, pp. 420-429.
Ruikang et al., Optimal Weighted Median Filtering Under Structural Constraints, IEEE Transactions on Signal Processing, vol. 43, No. 3, Mar. 1995, pp. 591-604.
Patrick et al., Median Filtering by Threshold Decomposition, IEEE Transactions on Acoustics, Speech, and signal processing vol. Assp-32, No. 6, Dec. 1984, pp. 1183-1188.

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