Inventor · disambiguated record
Barbara L. Farrell
Also filed as: FARRELL BARBARA · FARRELL BARBARA L · FARRELL BARBARA LYNN
19 granted patents·1,133 citations·filing 1986–2012
96Inventor score
Top patents by PatentIndex Score
19 records- 0198US4757348AHigh speed electronic reprographic/printing machineXEROX CORP·Filed 1986·Granted Jul 12, 1988·125 cites·19 claims
- 0297US5293430AAutomatic image segmentation using local area maximum and minimum image signalsXEROX CORP·Filed 1993·Granted Mar 8, 1994·284 cites·21 claims
- 0396US4716438AHigh speed electronic reprographic/printing machineXEROX CORP·Filed 1986·Granted Dec 29, 1987·71 cites·5 claims
- 0493US6741741B2System and method for automatically detecting edges of scanned documentsXEROX CORP·Filed 2001·Granted May 25, 2004·64 cites·17 claims
- 0593US6222642B1System and method for eliminating background pixels from a scanned imageXEROX CORP·Filed 1998·Granted Apr 24, 2001·171 cites·21 claims
- 0689US7844118B1Image segmentation system and method with improved thin line detectionXEROX CORP·Filed 2009·Granted Nov 30, 2010·22 cites·24 claims
- 0785US6236751B1Automatic method for determining piecewise linear transformation from an image histogramXEROX CORP·Filed 1998·Granted May 22, 2001·92 cites·17 claims
- 0880US6198845B1Method for determining document background for adjusting the dynamic range of an image of the documentXEROX CORP·Filed 1997·Granted Mar 6, 2001·72 cites·29 claims
- 0980US5282061AProgrammable apparatus for determining document background levelXEROX CORP·Filed 1991·Granted Jan 25, 1994·52 cites·29 claims
- 1075US5751848ASystem and method for generating and utilizing histogram data from a scanned imageXEROX CORP·Filed 1996·Granted May 12, 1998·50 cites·10 claims
- 1174US5848183ASystem and method for generating and utilizing histogram data from a scanned imageXEROX CORP·Filed 1996·Granted Dec 8, 1998·57 cites·11 claims
- 1273US6930804B2System and method for automatically detecting edges of scanned documentsXEROX CORP·Filed 2001·Granted Aug 16, 2005·11 cites·12 claims
- 1372US5881166AMethod and system for generating a histogram of a scanned imageXEROX CORP·Filed 1996·Granted Mar 9, 1999·43 cites·9 claims
- 1466US8254694B2Thin line detection in scanned image dataLI XING·Filed 2009·Granted Aug 28, 2012·4 cites·23 claims
- 1550US8842938B2Method and system for performing resolution expansion with high quality edge enhancementLI XING·Filed 2012·Granted Sep 23, 2014·0 cites·17 claims
- 1646US8792706B2Determining an orientation direction of a color edge at a pixel location in a color imageLI XING·Filed 2012·Granted Jul 29, 2014·0 cites·15 claims
- 1746US8787653B2Determining an orientation direction of a color edge at a pixel location in a color imageLI XING·Filed 2012·Granted Jul 22, 2014·0 cites·15 claims
- 1838US8224112B2Fuzzy method to detect thin lines in scanned imageMCCANDLISH PETER·Filed 2009·Granted Jul 17, 2012·0 cites·13 claims
- 1938US5835628AMethod and system for generating histograms from a scanned imageXEROX CORP·Filed 1996·Granted Nov 10, 1998·15 cites·12 claims
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