Inventor
Xuemei Zhang
Inventor
Mountain View, CA, US
Overview
Patents· 43 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television33%
G06TImage data processing or generation, in general18%
G06FElectric digital data processing11%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G06KGraphical data reading4%
G06VImage or video recognition or understanding3%
H01LSemiconductor devices3%
PatentTitleYear
10,602,111Auto white balance control algorithm based upon flicker frequency detection202010,205,967Extended YCC format for backward-compatible P3 camera video201910,084,974Ambient infrared detection in solid state sensors201810,043,484Dual-target image color rendering20189,961,238Color gamut size metric estimation20189,892,494'Region-of-interest biased tone mapping'20189,667,842'Multi-band YCbCr locally-adaptive noise modeling and noise reduction based on scene metadata'20179,418,311'Multi-scale tone mapping'20169,380,218'Highlight exposure metric and its applications'20169,344,638'Constant bracket high dynamic range (cHDR) operations'20169,252,176'Ambient infrared detection in solid state sensors'20169,152,292'Image collage authoring'20159,113,089'Noise-constrained tone curve generation'20159,098,767'System and method for determining the informative zone of an image'20159,030,575'Transformations and white point constraint solutions for a novel chromaticity space'20159,024,965'Determining a layout of graphic objects according to a layout density map'20159,007,484'Alleviating dominant color failure in automatic white balance using histogram trimming'20158,780,225'Use of noise-optimized selection criteria to calculate scene white points'20148,774,790'Method and apparatus for improving wireless network reliability'20148,682,108'System and method for determining image placement on a canvas'20148,594,459'Arranging secondary images adjacent to a primary image'20138,569,681'Ambient infrared detection in solid state sensors'20138,386,957'Method for dynamically scaling an original background layout'20138,279,179'System for determining pointer position, movement, and angle'20128,161,384'Arranging graphic objects on a page with text'20127,873,505'Method and apparatus for predicting scheduled system downtime'20117,737,394'Ambient infrared detection in solid state sensors'20107,557,799'System for determining pointer position, movement, and angle'20097,460,688'System and method for detecting and correcting defective pixels in a digital image sensor'20087,352,892'System and method for shape reconstruction from optical images'20087,292,024'Defect mitigation in display panels'20077,283,164'Method for detecting and correcting defective pixels in a digital image sensor'20077,278,048'Method, system and computer program product for improving system reliability'20077,176,905'Electronic device having an image-based data input system'20077,171,037'Optical inspection system and method for displaying imaged objects in greater than two dimensions'20077,079,705'Color interpolation for image sensors using a local linear regression method'20067,023,580'System and method for digital image tone mapping using an adaptive sigmoidal function based on perceptual preference guidelines'20067,019,826'Optical inspection system, apparatus and method for reconstructing three-dimensional images for printed circuit board and electronics manufacturing inspection'20066,894,720'Method and apparatus for applying tone mapping functions to color images'20056,864,911'Linkable digital cameras for an image capture system'20056,737,625'Bad pixel detection and correction in an image sensing device'20046,731,794'Method and apparatus for estimating true color values for saturated color values in digitally captured image data'20046,700,561'Gamma correction for displays'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2015Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (10)· patent assignee history
2004–2007Patents assigned to AGILENT TECHNOLOGIES INC (7)· patent assignee history
2004–2020Based in Mountain View, CA, US· patent location history
2007–2018Patents assigned to MICRON TECHNOLOGY INC (6)· patent assignee history
2007–2014Based in Morganville, NJ, US· patent location history
2012–2015Patents assigned to ZHANG XUEMEI (14)· patent assignee history
2014–2020Patents assigned to APPLE INC (13)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZHANG XUEMEIself | 14 | 2012–2015 |
| APPLE INC | 13 | 2014–2020 |
| HEWLETT PACKARD DEVELOPMENT CO | 10 | 2004–2015 |
| AGILENT TECHNOLOGIES INC | 7 | 2004–2007 |
| MICRON TECHNOLOGY INC | 6 | 2007–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mountain View, California, US | 40 | 2004–2020 |
| Morganville, New Jersey, US | 3 | 2007–2014 |