Inventor
ZHANG HONGJIANG
US29 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG HONGJIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEIJING ZHIGU RUITUO TECH CO LTD
11 patentsUS10048750B2Aug 14, 2018
Content projection system and content projection method
BEIJING ZHIGU RUITUO TECH CO LTD12 citations84
US10191276B2Jan 29, 2019
Imaging adjustment device and imaging adjustment method
BEIJING ZHIGU RUITUO TECH CO LTD4 citations73
US10551638B2Feb 4, 2020
Imaging apparatus and imaging method
BEIJING ZHIGU RUITUO TECH CO LTD1 citations62
US10395510B2Aug 27, 2019
Reminding method and reminding device
BEIJING ZHIGU RUITUO TECH CO LTD1 citations62
US10481396B2Nov 19, 2019
Imaging device and imaging method
BEIJING ZHIGU RUITUO TECH CO LTD0 citations42
US10313746B2Jun 4, 2019
Server, client and video processing method
BEIJING ZHIGU RUITUO TECH CO LTD0 citations42
US10261345B2Apr 16, 2019
Imaging adjustment device and imaging adjustment method
BEIJING ZHIGU RUITUO TECH CO LTD0 citations42
US10002293B2Jun 19, 2018
Image collection with increased accuracy
BEIJING ZHIGU RUITUO TECH CO LTD0 citations42
US9961335B2May 1, 2018
Pickup of objects in three-dimensional display
BEIJING ZHIGU RUITUO TECH CO LTD0 citations42
US9867532B2Jan 16, 2018
System for detecting optical parameter of eye, and method for detecting optical parameter of eye
BEIJING ZHIGU RUITUO TECH CO LTD0 citations42
US9843567B2Dec 12, 2017
Wireless network service provision method and system
BEIJING ZHIGU RUITUO TECH CO LTD0 citations41
MICROSOFT CORP
9 patentsUS7324671B2Jan 29, 2008
System and method for multi-view face detection
MICROSOFT CORP170 citations97
US7050607B2May 23, 2006
System and method for multi-view face detection
MICROSOFT CORP204 citations97
US6901362B1May 31, 2005
Audio segmentation and classification
MICROSOFT CORP51 citations96
US7809813B2Oct 5, 2010
System and method for providing content-oriented services to content providers and content consumers
MICROSOFT CORP25 citations92
US7359440B2Apr 15, 2008
Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy
MICROSOFT CORP14 citations92
US7328149B2Feb 5, 2008
Audio segmentation and classification
MICROSOFT CORP14 citations92
US7035793B2Apr 25, 2006
Audio segmentation and classification
MICROSOFT CORP18 citations92
US7027513B2Apr 11, 2006
Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy
MICROSOFT CORP34 citations92
US7983340B2Jul 19, 2011
Extracting key frames from video using a triangle model of motion based on perceived motion energy
MICROSOFT CORP7 citations83
HEWLETT PACKARD CO
6 patentsUS6389168B2May 14, 2002
Object-based parsing and indexing of compressed video streams
HEWLETT PACKARD CO184 citations99
US6393054B1May 21, 2002
System and method for automatically detecting shot boundary and key frame from a compressed video data
HEWLETT PACKARD CO119 citations98
US6278491B1Aug 21, 2001
Apparatus and a method for automatically detecting and reducing red-eye in a digital image
HEWLETT PACKARD CO335 citations98
US6035055AMar 7, 2000
Digital image management system in a distributed data access network system
HEWLETT PACKARD CO460 citations98
US6347313B1Feb 12, 2002
Information embedding based on user relevance feedback for object retrieval
HEWLETT PACKARD CO295 citations96
US6295115B1Sep 25, 2001
Producing an optimized color image from a negative image and its developed print image
HEWLETT PACKARD CO27 citations92