Inventor · Granby, MA, US

Raghavan Manmatha

30Patents
12h-index
35Co-inventors
81Inventor score

Filing activity: Oct 28, 1997 → Nov 20, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7949191B1 Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications device Physics 100 Active
US5987456A Image retrieval by syntactic characterization of appearance Emerging Cross-Sectional Technologies 59 Expired
US8009928B1 Method and system for detecting and recognizing text in images Physics 51 Active
US8644610B1 Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications device Physics 23 Active
US8756216B1 Scalable tree builds for content descriptor search Physics 23 Active
US8406507B2 Method and system for representing image patches Physics 22 Active
US9892344B1 Activation layers for deep learning networks Physics 19 Active
US9104700B1 Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications device Physics 16 Active
US8352483B1 Scalable tree-based search of content descriptors Physics 14 Active
US9652838B1 Object retrieval Physics 13 Active
US10013633B1 Object retrieval Physics 13 Active
US8510312B1 Automatic metadata identification Physics 13 Active
US8335402B1 Method and system for detecting and recognizing text in images Physics 11 Active
US8249347B1 Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications device Physics 7 Active
US8170289B1 Hierarchical alignment of character sequences representing text of same source Physics 5 Active
US8943090B2 Content collection search with robust content matching Physics 5 Active
US9530069B2 Method and system for detecting and recognizing text in images Physics 3 Active
US8958629B2 Method and system for matching an image using image patches Physics 3 Active
US8549008B1 Determining section information of a digital volume Physics 2 Active
US8705848B2 Method and system for encoding an image using normalized feature vectors Physics 2 Active
US8332419B1 Content collection search with robust content matching Physics 2 Active
US10659787B1 Enhanced compression of video data Electricity 2 Active
US11893012B1 Content extraction using related entity group metadata from reference objects Physics 2 Active
US9530076B2 Method and system for matching an image using normalized feature vectors Physics 1 Active
US8977072B1 Method and system for detecting and recognizing text in images Physics 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.