LexDanaLexDanabeta
Inventor

Zicheng Liu

Inventor
Bellevue, WA, US

Overview

99→
Patents
2004–2020
Patent span
Physics
Primary field (CPC G)

Patents· 99 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Vprimary
G06VImage or video recognition or understanding21%
G06TImage data processing or generation, in general20%
H04NPictorial communication, e.g. television19%
G06FElectric digital data processing9%
G10LSpeech analysis techniques or speech synthesis5%
G06KGraphical data reading4%
H04MTelephonic communication3%
H04LTransmission of digital information, e.g. telegraphic communication3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
PatentTitleYear
10,678,326Combining mobile devices with people tracking for large display interactions202010,425,627Automated presentation equipment testing201910,208,362HT550 steel plate with ultrahigh toughness and excellent weldability and manufacturing method of the same201910,185,878System and method for person counting in image data201910,181,090Secure and private tracking across multiple cameras201910,093,999Steel plate resistant to zinc-induced crack and manufacturing method therefor20189,977,991Secure and private tracking across multiple cameras20189,971,490Device control20189,864,430'Gaze tracking via eye gaze model'20189,794,391'Mobile terminal and pendant connected therewith'20179,684,827'Eye gaze tracking based upon adaptive homography mapping'20179,552,668'Generation of a three-dimensional representation of a user'20179,529,426'Head pose tracking using a depth camera'20169,521,364'Ambulatory presence features'20169,240,056'Video retargeting'20169,065,976'Multi-device capture and spatial browsing of conferences'20159,055,607'Data buddy'20159,014,420'Adaptive action detection'20159,001,118'Avatar construction using depth camera'20158,943,526'Estimating engagement of consumers of presented content'20158,941,710'Ambulatory presence features'20158,929,600'Action recognition based on depth maps'20158,675,067'Immersive remote conferencing'20148,639,042'Hierarchical filtered motion field for action recognition'20148,537,196'Multi-device capture and spatial browsing of conferences'20138,416,302'Low-light imaging augmented with non-intrusive lighting'20138,416,715'Interest determination for auditory enhancement'20138,416,990'Hierarchical video sub-volume search'20138,396,247'Recognizing actions of animate objects in video'20138,339,459'Multi-camera head pose tracking'20128,276,195'Management of split audio/video streams'20128,253,774'Ambulatory presence features'20128,200,681'Collaborative media recommendation and sharing technique'20128,180,465'Multi-modal device power/mode management'20128,175,382'Learning image enhancement'20128,144,896'Speech separation with microphone arrays'20128,140,715'Virtual media input device'20128,079,079'Multimodal authentication'20118,031,967'Video noise reduction'20118,009,880'Recovering parameters from a sub-optimal image'20117,991,607'Translation and capture architecture for output of conversational utterances'20117,957,532'Data protection for a mobile device'20117,930,178'Speech modeling and enhancement based on magnitude-normalized spectra'20117,924,655'Energy-based sound source localization and gain normalization'20117,892,079'Detect-point-click (DPC) based gaming systems and techniques'20117,869,705'Lighting array control'20117,853,053'System and method providing improved head motion estimations for animation'20107,840,638'Participant positioning in multimedia conferencing'20107,813,923'Calibration based beamforming, non-linear adaptive filtering, and multi-sensor headset'20107,770,116'System and method for whiteboard and audio capture'20107,725,395'System and method for devising a human interactive proof that determines whether a remote client is a human or a computer program'20107,706,575'System and method providing improved head motion estimations for animation'20107,706,610'Segmentation of objects by minimizing global-local variational energy'20107,694,214'Multimodal note taking, annotation, and gaming'20107,680,656'Multi-sensory speech enhancement using a speech-state model'20107,646,404'Foveated wide-angle imaging system and method for capturing and viewing wide-angle images in real time'20107,630,571'Automatic detection of panoramic camera position and orientation table parameters'20097,612,832'Method and system for video clip compression'20097,590,529'Method and apparatus for reducing noise corruption from an alternative sensor signal during multi-sensory speech enhancement'20097,574,008'Method and apparatus for multi-sensory speech enhancement'20097,460,884'Data buddy'20087,447,630'Method and apparatus for multi-sensory speech enhancement'20087,406,303'Multi-sensory speech enhancement using synthesized sensor signal'20087,383,181'Multi-sensory speech detection system'20087,379,071'Geometry-driven feature point-based image synthesis'20087,346,504'Multi-sensory speech enhancement using a clean speech prior'20087,327,899'System and method for head size equalization in 360 degree panoramic images'20087,319,908'Multi-modal device power/mode management'20087,302,106'System and method for ink or handwriting compression'20077,289,648'System and method for modeling three dimensional objects from a single image'20077,283,850'Method and apparatus for multi-sensory speech enhancement on a mobile device'20077,260,257'System and method for whiteboard and audio capture'20077,218,774'System and method for modeling three dimensional objects from a single image'20077,212,656'Rapid computer modeling of faces for animation'20077,200,281'System and method for image-based surface detail transfer'20077,184,602'System and method for low bandwidth video streaming for face-to-face teleconferencing'20077,184,609'System and method for head size equalization in 360 degree panoramic images'20077,181,051'Rapid computer modeling of faces for animation'20077,174,035'Rapid computer modeling of faces for animation'20077,158,658'Rapid computer modeling of faces for animation'20077,149,330'Rapid computer modeling of faces for animation'20067,149,329'Rapid computer modeling of faces for animation'20067,142,698'Rapid computer modeling of faces for animation'20067,133,540'Rapid computer modeling of faces for animation'20067,113,650'Real-time wide-angle image correction system and method for computer image viewing'20067,099,521'Real-time wide-angle image correction system and method for computer image viewing'20067,084,904'Foveated wide-angle imaging system and method for capturing and viewing wide-angle images in real time'20067,082,212'Rapid computer modeling of faces for animation'20067,065,233'Rapid computer modeling of faces for animation'20067,058,237'Real-time wide-angle image correction system and method for computer image viewing'20067,039,219'System and method providing improved head motion estimations for animation'20067,020,347'System and method for image-based surface detail transfer'20067,020,305'System and method providing improved head motion estimations for animation'20066,993,163'Rapid computer modeling of faces for animation'20066,980,671'Rapid computer modeling of faces for animation'20056,950,537'Rapid computer modeling of faces for animation'20056,944,320'Rapid computer modeling of faces for animation'20056,828,972'System and method for expression mapping'20046,807,290'Rapid computer modeling of faces for animation'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2017Patents assigned to MICROSOFT CORP (83)· patent assignee history
2004–2020Based in Bellevue, WA, US· patent location history
2011–2016Patents assigned to LIU ZICHENG (22)· patent assignee history
2011–2016Patents assigned to ZHANG ZHENGYOU (13)· patent assignee history
2012–2014Patents assigned to CHOU PHILIP A (5)· patent assignee history
2015–2020Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (15)· patent assignee history
2017Based in Beijing, CN· patent location history
2017Based in Redmond, WA, US· patent location history
2018–2019Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MICROSOFT CORP832004–2017
LIU ZICHENGself222011–2016
MICROSOFT TECHNOLOGY LICENSING LLC152015–2020
ZHANG ZHENGYOU132011–2016
CHOU PHILIP A52012–2014
Locations
LocationPatentsSpan
Bellevue, Washington, US952004–2020
Shanghai, CN22018–2019
Beijing, CN12017
Redmond, Washington, US12017