Inventor · disambiguated record
Daniel R. Tretter
Also filed as: TRETTER DANIEL · TRETTER DANIEL R
72 granted patents·18 pending applications·2,825 citations·filing 1995–2015
99Inventor score
Top patents by PatentIndex Score
90 records- 0197US6016354AApparatus and a method for reducing red-eye in a digital imageHEWLETT PACKARD CO·Filed 1997·Granted Jan 18, 2000·308 cites·11 claims
- 0297US5901253AImage processing system with image cropping and skew correctionHEWLETT PACKARD CO·Filed 1996·Granted May 4, 1999·279 cites·19 claims
- 0396US7447337B2Video content understanding through real time video motion analysisHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Nov 4, 2008·147 cites·29 claims
- 0495US7148990B2System and method for producing a photobookHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Dec 12, 2006·99 cites·38 claims
- 0595US6430320B1Image processing system with automatic image cropping and skew correctionHEWLETT PACKARD CO·Filed 2000·Granted Aug 6, 2002·207 cites·12 claims
- 0694US6621595B1System and method for enhancing scanned document images for color printingHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 16, 2003·118 cites·25 claims
- 0794US6463173B1System and method for histogram-based image contrast enhancementHEWLETT PACKARD CO·Filed 1995·Granted Oct 8, 2002·175 cites·17 claims
- 0893US7747625B2Organizing a collection of objectsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Jun 29, 2010·85 cites·48 claims
- 0993US7116820B2Detecting and correcting red-eye in a digital imageHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Oct 3, 2006·118 cites·60 claims
- 1093US6961083B2Concurrent dual pipeline for acquisition, processing and transmission of digital video and high resolution digital still photographsHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Nov 1, 2005·63 cites·24 claims
- 1193US6724945B1Correcting defect pixels in a digital imageHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Apr 20, 2004·79 cites·21 claims
- 1292US8977076B2Thumbnail based image quality inspectionSAMADANI RAMIN·Filed 2008·Granted Mar 10, 2015·18 cites·20 claims
- 1392US7747071B2Detecting and correcting peteyeHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Jun 29, 2010·41 cites·22 claims
- 1492US7035435B2Scalable video summarization and navigation system and methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Apr 25, 2006·106 cites·31 claims
- 1592US6977679B2Camera meta-data for content categorizationHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Dec 20, 2005·77 cites·14 claims
- 1690US7941002B2Apparatus and methods of producing photorealistic image thumbnailsHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted May 10, 2011·22 cites·20 claims
- 1789US7190380B2Generating and displaying spatially offset sub-framesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 13, 2007·41 cites·24 claims
- 1888US7668369B2Using camera metadata to classify images into scene type classesHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Feb 23, 2010·29 cites·17 claims
- 1988US7454040B2Systems and methods of detecting and correcting redeye in an image suitable for embedded applicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Nov 18, 2008·60 cites·64 claims
- 2087US8861866B2Identifying a style of clothing based on an ascertained featureZHANG TONG·Filed 2012·Granted Oct 14, 2014·14 cites·17 claims
- 2187US8301669B2Concurrent presentation of video segments enabling rapid video file comprehensionO'BRIEN-STRAIN EAMONN·Filed 2007·Granted Oct 30, 2012·8 cites·16 claims
- 2287US6760126B1Adaptive halftoning method and apparatusHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jul 6, 2004·37 cites·20 claims
- 2385US9025864B2Image clustering using a personal clothing modelZHANG TONG·Filed 2010·Granted May 5, 2015·9 cites·21 claims
- 2485US7047494B2Scalable video summarizationHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted May 16, 2006·18 cites·21 claims
- 2584US8565539B2System and method for determining estimated age using an image collectionCHAO HUI·Filed 2011·Granted Oct 22, 2013·11 cites·23 claims
- 2684US7333653B2Detecting and correcting redeye in an imageHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Feb 19, 2008·21 cites·29 claims
- 2782US10156937B2Determining a segmentation boundary based on images representing an objectHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Dec 18, 2018·6 cites·12 claims
- 2882US7248693B1Secure network-based system for the distributed printing of documentsHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Jul 24, 2007·43 cites·29 claims
- 2981US6314208B1System for variable quantization in JPEG for compound documentsHEWLETT PACKARD CO·Filed 1998·Granted Nov 6, 2001·85 cites·20 claims
- 3080US7689011B2Extracting features from face regions and auxiliary identification regions of images for person recognition and other applicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Mar 30, 2010·15 cites·20 claims
- 3180US6778299B2Error diffusion with partial dots method and systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 17, 2004·20 cites·20 claims
- 3279US7109981B2Generating and displaying spatially offset sub-framesHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Sep 19, 2006·19 cites·37 claims
- 3378US10091490B2Scan recommendationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2015·Granted Oct 2, 2018·4 cites·14 claims
- 3478US8064694B2Nonhuman animal integument pixel classificationYEN JONATHAN·Filed 2006·Granted Nov 22, 2011·14 cites·20 claims
- 3578US5867606AApparatus and method for determining the appropriate amount of sharpening for an imageHEWLETT PACKARD CO·Filed 1997·Granted Feb 2, 1999·64 cites·16 claims
- 3677US7053939B2Automatic document detection method and systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted May 30, 2006·15 cites·21 claims
- 3777US6204940B1Digital processing of scanned negative filmsHEWLETT PACKARD CO·Filed 1998·Granted Mar 20, 2001·57 cites·22 claims
- 3876US9361720B2Image prioritization in a collage shapeTANG HAO·Filed 2012·Granted Jun 7, 2016·4 cites·15 claims
- 3975US6839450B2Detecting halftone modulations embedded in an imageHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jan 4, 2005·19 cites·31 claims
- 4074US10666840B2Processing data representing images of objects to classify the objectsHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted May 26, 2020·2 cites·19 claims
- 4174US6798540B1Method and apparatus for underprinting pixelsHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Sep 28, 2004·13 cites·19 claims
- 4274US5798846AApparatus and method for selectively processing a scanned imageHEWLETT PACKARD CO·Filed 1996·Granted Aug 25, 1998·45 cites·20 claims
- 4373US6580824B2Classification of photos with sepia tonesHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Jun 17, 2003·11 cites·20 claims
- 4472US6310984B2Image processing system with image cropping and skew correctionHEWLETT PACKARD CO·Filed 1998·Granted Oct 30, 2001·83 cites·20 claims
- 4571US8666169B2Feature descriptorsTANG FENG·Filed 2011·Granted Mar 4, 2014·5 cites·14 claims
- 4668US10664100B2Misalignment detectionHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted May 26, 2020·2 cites·16 claims
- 4768US10324563B2Identifying a target touch region of a touch-sensitive surface based on an imageHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Jun 18, 2019·2 cites·21 claims
- 4868US10217223B2Image data segmentationHEWLETT PACKARD DEVELOPMENT CO·Filed 2014·Granted Feb 26, 2019·1 cites·15 claims
- 4968US9183185B2Inserting content and exclusion zone(s) into a pageCHAO HUI·Filed 2010·Granted Nov 10, 2015·2 cites·20 claims
- 5068US7296224B2Method for assigning graphical images to pagesHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Nov 13, 2007·13 cites·32 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Daniel R. Tretter files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →