Inventor
Wencheng Wu
Inventor
Webster, NY, US
Overview
Patents· 140 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television20%
G06VImage or video recognition or understanding19%
G06KGraphical data reading17%
G06TImage data processing or generation, in general11%
G06FElectric digital data processing6%
G08GTraffic control systems5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
B41JTypewriters2%
G03GElectrography2%
G05DSystems for controlling or regulating non-electric variables2%
PatentTitleYear
11,033,780Autonomous tennis ball retrieval robot202110,818,007Systems and methods for determining apparent skin age202010,713,499Real-time video triggering for traffic surveillance and photo enforcement applications using near infrared video acquisition202010,574,883System and method for guiding a user to take a selfie202010,509,978Multi-angle product imaging device201910,453,046Store shelf imaging system201910,325,165Vision-based on-street parked vehicle detection via normalized-view classifiers and temporal filtering201910,289,990Store shelf imaging system and method201910,210,392System and method for detecting potential drive-up drug deal activity via trajectory-based analysis201910,210,603Store shelf imaging system and method201910,176,452Store shelf imaging system and method201910,108,872Multi-angle product imaging device201810,110,858Computer-vision based process recognition of activity workflow of human performer201810,038,785Methods and systems for automatically recognizing actions in a call center environment using video data201810,019,803Store shelf imaging system and method using a vertical LIDAR201810,002,344System and method for retail store promotional price tag detection20189,996,739System and method for automatic gait cycle segmentation20189,998,598Methods and systems for automatically recognizing actions in a call center environment using screen capture technology20189,993,182Computer vision system for ambient long-term gait assessment20189,996,737Method and system for automatically recognizing facial expressions via algorithmic periocular localization20189,977,970Method and system for detecting the occurrence of an interaction event via trajectory-based analysis20189,965,687System and method for detecting potential mugging event via trajectory-based analysis20189,928,438'High accuracy localization system and method for retail store profiling via product image recognition and its corresponding dimension database'20189,883,035'Methods and systems for automatically recognizing actions in a call center environment using screen capture technology'20189,875,664Virtual trainer optimizer method and system20189,870,704'Camera calibration application'20189,864,932'Vision-based object detector'20189,852,631Mobile on-street parking occupancy detection20179,756,248'Methods and systems for camera drift correction'20179,736,374'Video/vision based access control method and system for parking occupancy determination, which is robust against camera shake'20179,736,493'System and method for achieving computationally efficient motion estimation in video compression based on motion direction and magnitude prediction'20179,716,837'Video/vision based access control method and system for parking occupancy determination, which is robust against abrupt camera field of view changes'20179,666,088'Video-based teacher assistance'20179,659,204'Image processing methods and systems for barcode and/or product label recognition'20179,625,402'Method and apparatus for detection of defective brakes'20179,619,686'Printed tag information recognition using multi-pose illumination to mitigate glare'20179,600,711'Method and system for automatically recognizing facial expressions via algorithmic periocular localization'20179,582,722'Video-based vehicle speed estimation from motion vectors in video streams'20179,542,746'Method and system for spatial characterization of an imaging system'20179,542,609'Automatic training of a parked vehicle detector for large deployment'20179,536,152'Methods and systems for multimedia trajectory annotation'20179,524,486'System and method for retail store promotional price tag detection and maintenance via heuristic classifiers'20169,525,860'Enhancing a spatio-temporal resolution of a depth data stream'20169,514,366'Vehicle detection method and system including irrelevant window elimination and/or window score degradation'20169,514,537'System and method for adaptive depth map reconstruction'20169,503,706'Determining source lane of moving item merging into destination lane'20169,477,892'Efficient method of offline training a special-type parked vehicle detector for video-based on-street parking occupancy detection systems'20169,471,905'Methods and systems for processing electronic documents'20169,460,369'On-demand shelf signage printing'20169,377,294'Handheld cellular apparatus for volume estimation'20169,363,483'Method for available parking distance estimation via vehicle side detection'20169,363,419'User preferences based on categories of images'20169,317,752'Method for detecting large size and passenger vehicles from fixed cameras'20169,251,416'Time scale adaptive motion detection'20169,224,062'Hybrid method and system of video and vision based access control for parking stall occupancy determination'20159,224,278'Automated method and system for detecting the presence of a lit cigarette'20159,218,579'Method and system for facilitating retrieval of information from images'20159,213,900'Automated vision-based clutter detector and notifier'20159,213,901'Robust and computationally efficient video-based object tracking in regularized motion environments'20159,183,746'Single camera video-based speed enforcement system with a secondary auxiliary RGB traffic camera'20159,185,402'Traffic camera calibration update utilizing scene analysis'20159,180,053'Central vision impairment compensation'20159,179,043'Obtaining user preferences using categories of images'20159,171,213'Two-dimensional and three-dimensional sliding window-based methods and systems for detecting vehicles'20159,165,352'Precipitation removal for vision-based parking management systems'20159,129,524'Method of determining parking lot occupancy from digital camera images'20159,083,856'Vehicle speed measurement method and system utilizing a single image capturing unit'20159,060,164'Intelligent use of scene and test pattern analyses for traffic camera diagnostics'20159,052,329'Tire detection for accurate vehicle speed estimation'20159,025,024'System and method for object identification and tracking'20159,025,883'Adaptive quality image reconstruction via a compressed sensing framework'20159,015,072'Method and apparatus for automated inventory management using depth sensing'20158,995,754'Estimating a pose of a camera for volume estimation'20158,977,004'Methods and systems for vascular pattern localization using temporal features'20158,971,581'Methods and system for automated in-field hierarchical training of a vehicle detection system'20158,971,573'Video-tracking for video-based speed enforcement'20158,962,065'Invisible composite security element'20158,957,788'Vehicle reverse detection method and system via video acquisition and processing'20158,953,044'Multi-resolution video analysis and key feature preserving video reduction strategy for (real-time) vehicle tracking and speed enforcement systems'20158,935,082'Vehicle speed determination via infrared imaging'20158,879,832'Color matrix code'20148,868,339'System and method for dynamic route guidance'20148,861,023'Generating an unambiguous definition of designer intended colors in a document creation application'20148,855,436'System for and method of selective video frame compression and decompression for efficient event-driven searching in large databases'20148,797,589'Color management and calibration using a scanner or camera'20148,798,325'Efficient and fault tolerant license plate matching method'20148,737,747'Method for automated tire detection and recognition'20148,731,244'Systems and methods for improving image recognition'20148,731,245'Multiple view transportation imaging systems'20148,724,168'Updating a smoothness constrained cluster model for color control in a color management system'20148,670,153'Attribute driven gamut mapping via a minimized multi-objective cumulative cost function'20148,646,862'System and method for detection and compensation of inoperable inkjets in an inkjet printing apparatus'20148,649,566'Motion quality error detection in printing systems using documents having text or line content'20148,649,054'Color registration strategy for preprinted form'20148,619,348'Method and system for improved sensing with robustness to banding for rendering devices'20138,605,303'Content-aware image quality defect detection in printed documents'20138,605,268'Multi-channel sensor for measuring colorants of prints'20138,582,811'Unsupervised parameter settings for object tracking algorithms'20138,571,268'On-paper image quality metric using on-belt sensing'20138,571,269'Image quality defect detection via sensor characterization and halftone dot classification'20138,531,734'Cluster model for controlling color in a color marking device'20138,531,731'Image quality performance for a color marking device'20138,531,743'System and method for detecting missing inkjets in an inkjet printer using image data of printed documents without a priori knowledge of the documents'20138,520,276'Color management for selectable gloss applications'20138,493,621'Optimal patch code design via device characterization'20138,488,191'Color mapping determination for an N-color marking device based upon image spatial noise defects'20138,488,181'Preserving user applied markings made to a hardcopy original document'20138,477,370'Color mapping determination for an N-color marking device based upon color stability'20138,477,372'Updating an image quality metric database to account for printer drift'20138,462,388'Identifying a color separation wherein a banding defect originates'20138,462,386'Minimizing spectrophotometer impact on spot color accuracy'20138,451,504'Banding defect detection in digital imaging systems'20138,441,685'Optimal spot color recipes using variable GCR profiles'20138,376,503'Method and system of in-document detection of weak or missing inkjets in an inkjet printer'20138,368,955'Method for assessing synchronized print defects'20138,335,017'Spot color rendering via feedback-based multi-objective optimization'20128,305,667'Systems and methods for forming a tint of a spot color'20128,280,161'Spot color table compensation'20128,259,350'Job-specific print defect management'20128,249,830'Method and system for automatically diagnosing faults in rendering devices'20128,233,669'System and method to detect changes in image quality'20128,208,183'Detecting image quality defects by measuring images printed on image bearing surfaces of printing devices'20128,204,303'Spatially based transformation of spot colors'20128,150,106'Printer characterization, monitoring and diagnosis using dynamic test patterns generated by sensing and analyzing customer documents'20128,126,199'Identification of faulty jets via sensing on customer images'20128,120,816'Automated image quality diagnostics system'20128,116,585'Background noise detection on rendered documents'20128,077,358'Systems and methods for implementing use of customer documents in maintaining image quality (IQ)/image quality consistency (IQC) of printing devices'20118,068,695'Positional distortion compensation'20117,965,414'Systems and methods for detecting image quality defects'20117,933,053'Fine tuning color dictionaries'20117,911,652'Methods and systems for determining banding compensation parameters in printing systems'20117,838,814'Plenoptic system for recording images from sheets'20107,783,122'Banding and streak detection using customer documents'20107,660,460'Gamut selection in multi-engine systems'20107,652,791'Reprinting'20107,542,059'Page scheduling for printing architectures'20097,486,416'Inter-separation decorrelator'20097,382,507'Image quality defect detection from image quality database'20086,954,287'Gamut mapping preserving local luminance differences with adaptive spatial filtering'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2018Patents assigned to XEROX CORP (113)· patent assignee history
2005Based in Tantzu, TW· patent location history
2008–2020Based in Webster, NY, US· patent location history
2011–2020Patents assigned to WU WENCHENG (64)· patent assignee history
2011–2015Patents assigned to DALAL EDUL N (29)· patent assignee history
2012–2015Patents assigned to XU BEILEI (13)· patent assignee history
2016–2019Based in Rochester, NY, US· patent location history
2017–2020Patents assigned to CONDUENT BUSINESS SERVICES LLC (31)· patent assignee history
2021Based in Palo Alto, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 113 | 2005–2018 |
| WU WENCHENGself | 64 | 2011–2020 |
| CONDUENT BUSINESS SERVICES LLC | 31 | 2017–2020 |
| DALAL EDUL N | 29 | 2011–2015 |
| XU BEILEI | 13 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Webster, New York, US | 127 | 2008–2020 |
| Rochester, New York, US | 11 | 2016–2019 |
| Palo Alto, California, US | 1 | 2021 |
| Tantzu, TW | 1 | 2005 |