Inventor · disambiguated record
Thyagarajan Balasubramanian
Also filed as: BALASUBRAMANIAN THYAGARAJAN
36 granted patents·1,898 citations·filing 1992–2005
98Inventor score
Top patents by PatentIndex Score
36 records- 0196US6268939B1Method and apparatus for correcting luminance and chrominance data in digital color imagesXEROX CORP·Filed 1998·Granted Jul 31, 2001·287 cites·41 claims
- 0294US7436549B2Patch codes for color calibration job identification encodingXEROX CORP·Filed 2005·Granted Oct 14, 2008·18 cites·18 claims
- 0393US7307752B1On-line calibration system for a dynamically varying color marking deviceXEROX CORP·Filed 2000·Granted Dec 11, 2007·68 cites·21 claims
- 0492US5892891ASystem for printing color images with extra colorants in addition to primary colorantsXEROX CORP·Filed 1996·Granted Apr 6, 1999·160 cites·12 claims
- 0591US5544284ASequential product code quantization of digital color imageEASTMAN KODAK CO·Filed 1992·Granted Aug 6, 1996·111 cites·80 claims
- 0687US6972867B1Patch codes for color calibration job identification encodingXEROX CORP·Filed 2000·Granted Dec 6, 2005·29 cites·21 claims
- 0787US6441923B1Dynamic creation of color test patterns based on variable print settings for improved color calibrationXEROX CORP·Filed 1999·Granted Aug 27, 2002·99 cites·17 claims
- 0886US6707938B2Principal axis look-up for color correctionXEROX CORP·Filed 2000·Granted Mar 16, 2004·29 cites·15 claims
- 0985US6803921B1Use of softproofing to assist in the rendering of images of unknown colorimetryXEROX CORP·Filed 2000·Granted Oct 12, 2004·44 cites·20 claims
- 1084US7064860B1Color-balanced TRC correction to compensate for illuminant changes in printer characterizationXEROX CORP·Filed 2000·Granted Jun 20, 2006·27 cites·9 claims
- 1184US6744534B1Robust colorimetry transformXEROX CORP·Filed 2000·Granted Jun 1, 2004·37 cites·25 claims
- 1283US6766053B2Method and apparatus for classifying images and/or image regions based on texture informationXEROX CORP·Filed 2000·Granted Jul 20, 2004·52 cites·20 claims
- 1383US6097838AColor correction of a compressed imageXEROX CORP·Filed 1999·Granted Aug 1, 2000·66 cites·13 claims
- 1483US6009192AColor correction of a compressed imageXEROX CORP·Filed 1996·Granted Dec 28, 1999·67 cites·17 claims
- 1582US6414690B1Gamut mapping using local area informationXEROX CORP·Filed 1999·Granted Jul 2, 2002·73 cites·15 claims
- 1680US6654143B1Printer characterization adjustment for different papersXEROX CORP·Filed 1999·Granted Nov 25, 2003·66 cites·19 claims
- 1780US6621498B1High-speed non-separable color table lookupXEROX CORP·Filed 2000·Granted Sep 16, 2003·19 cites·23 claims
- 1879US7072072B1Color rendering optimized for text and line artXEROX CORP·Filed 2000·Granted Jul 4, 2006·17 cites·19 claims
- 1978US6731796B2Graphical user interface for color transformation table editing that avoids reversal artifactsXEROX CORP·Filed 2000·Granted May 4, 2004·16 cites·25 claims
- 2078US6646762B1Gamut mapping preserving local luminance differencesXEROX CORP·Filed 1999·Granted Nov 11, 2003·55 cites·16 claims
- 2178US6342951B1Gamut mapping algorithm using inverted gamma functionXEROX CORP·Filed 1998·Granted Jan 29, 2002·57 cites·21 claims
- 2278US5739927AMethod for refining an existing printer calibration using a small number of measurementsXEROX CORP·Filed 1995·Granted Apr 14, 1998·59 cites·14 claims
- 2377US6381037B1Dynamic creation of color test patterns for improved color calibrationXEROX CORP·Filed 1999·Granted Apr 30, 2002·55 cites·19 claims
- 2477US5598482AImage rendering system and associated method for minimizing contours in a quantized digital color imageEASTMAN KODAK CO·Filed 1994·Granted Jan 28, 1997·57 cites·13 claims
- 2576US6239886B1Method and apparatus for correcting luminance and chrominance data in digital color imagesXEROX CORP·Filed 1998·Granted May 29, 2001·56 cites·45 claims
- 2675US6766051B2Adaptive tree-base lookup for non-separably divided color tablesXEROX CORP·Filed 2000·Granted Jul 20, 2004·13 cites·36 claims
- 2773US6335800B1Method of multidimensional interpolation for color transformationsXEROX CORP·Filed 1998·Granted Jan 1, 2002·64 cites·16 claims
- 2871US7085004B2Calibration system for document processing system including visual layout validation for target measurementsXEROX CORP·Filed 2000·Granted Aug 1, 2006·10 cites·31 claims
- 2971US6954287B1Gamut mapping preserving local luminance differences with adaptive spatial filteringXEROX CORP·Filed 1999·Granted Oct 11, 2005·38 cites·11 claims
- 3069US7215440B2Fast interpolation of large color lookup tablesXEROX CORP·Filed 2000·Granted May 8, 2007·8 cites·20 claims
- 3169US6307645B1Halftoning for hi-fi color inksXEROX CORP·Filed 1998·Granted Oct 23, 2001·35 cites·19 claims
- 3267US6195456B1Multi resolution color correction using wavelet transformsXEROX CORP·Filed 1996·Granted Feb 27, 2001·40 cites·16 claims
- 3362US5649072AIterative technique for refining color correction look-up tablesXEROX CORP·Filed 1995·Granted Jul 15, 1997·35 cites·8 claims
- 3453US6285462B1Intelligent GCR/UCR process to reduce multiple colorant moire in color printingXEROX CORP·Filed 1998·Granted Sep 4, 2001·16 cites·20 claims
- 3552US6819792B1Automatic detection of colorimetry of unknown CMYK imagesXEROX CORP·Filed 2000·Granted Nov 16, 2004·7 cites·32 claims
- 3642US6295137B1Method of color correction using multi-level halftoningXEROX CORP·Filed 1998·Granted Sep 25, 2001·8 cites·12 claims
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