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Edward Y. Chang patents

Recent patents with Edward Y. Chang listed as an inventor - additional entries may be under other spellings.


Edward Y. Chang - Related organizations: Google Inc. patents

Signal processing to extract a pedestrian's moving direction

01/21/16 - 20160018225 - Disclosed here are methods and systems that relate to determining a moving direction of a mobile device user. The methods and systems relate to using an inertial navigation system such as an accelerometer and gyroscope to aid in the determination of the moving direction of the user. The methods and
Inventors: Qingxuan Yang, Edward Y. Chang

Signal processing to extract a pedestrian's moving direction

01/07/16 - 20160007317 - Disclosed here are methods and systems that relate to determining a moving direction of a mobile device user. The methods and systems relate to using an inertial navigation system such as an accelerometer and gyroscope to aid in the determination of the moving direction of the user. The methods and
Inventors: Qingxuan Yang, Edward Y. Chang

Crowd-sourcing indoor locations

07/23/15 - 20150204676 - Aspects of the present disclosure provide techniques for constructing a scalable model of an indoor space using crowd-sourced inertial navigation system (INS) signals from mobile devices. By tracking INS signals from a number of participating users, the user's trajectories can be estimated as they move their mobile devices indoors. The
Inventors: Faen Zhang, Edward Y. Chang, Yongqiang Huang, Shuchang Zhou

Barometric pressure sensor based orientation measurement

06/04/15 - 20150153171 - Disclosed here are methods and systems that relate to determining an orientation of an object. The orientation of the object may be represented by an Euler angle which identifies a rotation of the object from a reference frame. The methods and systems may rely on readings collected from two or
Inventors: Shuchang Zhou, Edward Y. Chang

Techniques for feature extraction

05/29/14 - 20140147039 - A computer-implemented technique for feature extraction includes obtaining an electronic image of an object and performing an edge detection algorithm on the electronic image. The technique further includes performing an edge pooling algorithm and sampling the electronic image edge patches, color patches and texture patches. A set of patches is
Inventors: Zhiyu Wang, Edward Y. Chang

Hardware attitude detection implementation of mobile devices with mems motion sensors

05/01/14 - 20140118153 - Systems and methods for detecting an attitude of a device are disclosed. The system includes a processing system including at least a sensor processor and an application processor, which are distinct. The system further includes a memory system including one or more computer-readable media. The computer-readable media contains instructions that,
Inventors: Guanfeng Li, Edward Y. Chang

Parallel generation of topics from documents

02/27/14 - 20140059054 - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for enhanced parallel latent Dirichlet allocation (PLDA+). A PLDA+ system is a system of multiple processors that are configured to generate topics from multiple documents. The multiple processors are designated as two types: document processors and matrix
Inventors: Zhiyuan Liu, Yuzhou Zhang, Edward Y. Chang

Hardware attitude detection implementation of mobile devices with mems motion sensors

11/28/13 - 20130314238 - Systems and methods for detecting an attitude of a device are disclosed. The system includes a processing system including at least a sensor processor and an application processor, which are distinct. The system further includes a memory system including one or more computer-readable media. The computer-readable media contains instructions that,
Inventors: Guanfeng Li, Edward Y. Chang

Moving direction determination with noisy signals from inertial navigation systems on mobile devices

06/20/13 - 20130158941 - Aspects of the present disclosure relate generally to indoor localization, for example, where GPS or other localization signals are unavailable. More specifically, aspects relate to using inertial navigation systems (132) such as accelerometers (136) and gyroscopes (134) to aid in the determination of the location of a user. Certain devices
Inventors: Qingxuan Yang, Edward Y. Chang

Adheat advertisement model for social network

04/25/13 - 20130103503 - In one implementation, a computer-implemented method includes receiving at a server information indicating activity levels of users of a computer-implemented social network or acquaintance relationships of the users on the computer-implemented social network. The method further includes generating by the server influence scores for the users based on the received
Inventors: Dong Zhang, Edward Y. Chang

Providing advertisements on a social network

09/06/12 - 20120226564 - In one implementation, a computer-implemented method includes receiving, at a server system, a request for an advertisement to provide to a first user of a social network, and determining, for each of a plurality of advertisements, a probability that the first user will select the advertisement based, at least in
Inventors: Seyed Vahab Mirrokni Banadaki, Corinna Cortes, Edward Y. Chang

Ranking user generated web content

08/23/12 - 20120215773 - Methods, systems, and apparatus, including computer programs encoded on computer storage media, for analyzing quality of user-generated content involve identifying interactions between users through an electronic network and assigning a weighting factor to each interaction representing a quality of the interaction. A user credential score is generated for each user
Inventors: Xiance Si, Jian Gong Deng, Huacheng Ke, Dong Zhang, Zoltan I. Gyongyi, Edward Y. Chang

Providing advertisements on a social network

06/21/12 - 20120158499 - In one implementation, a computer-implemented method includes receiving, at a server system, a request for an advertisement to provide to a first user of a social network, and determining, for each of a plurality of advertisements, a probability that the first user will select the advertisement based, at least in
Inventors: Seyed Vahab Mirrokni Banadaki, Corinna Cortes, Edward Y. Chang

Bidding on users

09/09/10 - 20100228631 - In one implementation, a computer-implemented method includes receiving at a server a request from an advertiser to target an ad to users of a computer-implemented social network, the request comprising data representing characteristics of the users that the advertiser desires to target. The method further includes ranking the users based
Inventors: Dong Zhang, Edward Y. Chang

Adheat advertisement model for social network

09/09/10 - 20100228614 - In one implementation, a computer-implemented method includes receiving at a server information indicating activity levels of users of a computer-implemented social network or acquaintance relationships of the users on the computer-implemented social network. The method further includes generating by the server influence scores for the users based on the received
Inventors: Dong Zhang, Edward Y. Chang


### Edward Y. Chang patent invention listings

The bibliographic references displayed about Edward Y. Chang's patents are for a recent sample of Edward Y. Chang's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Edward Y. Chang filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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