Inventor

CHAO HUI

US83 patents

⚠️ This page may combine multiple inventors who share the name “CHAO HUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHAO HUI

QUALCOMM INC

Method for image-based status determination

Directional and X-ray view techniques for navigation using a mobile device

Techniques for using a honeypot to protect a server

Speed-up template matching using peripheral information

Method for securely delivering indoor positioning data and applications

Hybrid photo navigation and mapping

Systems and methods for facial authentication

Providing, organizing, and managing location history records of a mobile device

Image-based indoor position determination

Method and apparatus for indoor/outdoor detection using ambient signals

Creating routing paths in maps

Interactive image composition

Method and apparatus for classifying a mobile device location

Sensor calibration and position estimation based on vanishing point determination

Image-based indoor position determination

Landmark based positioning with verbal input

Pose estimation based on peripheral information

Changing camera parameters based on wireless signal information

Directional and X-ray view techniques for navigation using a mobile device

Providing, organizing, and managing location history records of a mobile device

Directional and x-ray view techniques for navigation using a mobile device

Providing, organizing, and managing location history records of a mobile device

Autonomous vehicle security

Maintaining heatmaps using tagged visual data

Method and apparatus for optimized presentation of complex maps

Method for securely delivering indoor positioning data and applications

Methods and apparatus for position estimation

Apparatus and method for providing assistance data heatmaps

System, method and/or devices for aligning a movement path with an indoor routing graph

Location based brand detection

Landmark based positioning

HEWLETT PACKARD DEVELOPMENT CO

Method for determining logical components of a document

Cover authoring systems and methods and bookbinding systems incorporating the same

Non-rectangular image cropping methods and systems

Generating a text layout boundary from a text block in an electronic document

Section extraction tool for PDF documents

Method and apparatus for classifying elements of a document

System and method for creating an editable template from a document image

Selecting elements from an electronic document

Method and system for document segmentation

CHAO HUI

Adaptive updating of indoor navigation assistance data for use by a mobile device

Producing marketing items for a marketing campaign

Logo detection for indoor positioning

System and method for determining estimated age using an image collection

Constraining layout variations for accommodating variable content in electronic documents

System and method for determining location of a device using opposing cameras

TANG FENG

Replacement of a person or object in an image

DAS SAUMITRA M

User distance detection for enhanced interaction with a mobile device

SRIDHARA VINAY

Indoor structure inference using points of interest

PAKZAD PAYAM

Collaborative navigation techniques for mobile devices