Patents by Inventor Chengxia He

Chengxia He has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140007260
    Abstract: A file reading protection system and a protection method thereof. The file reading protection system includes a first acquisition unit, a determination unit, and a processing unit. The first acquisition unit is configured to obtain a first position of a user device that requests to access a digital file. The determination unit is configured to determine if the first position obtained by the first acquisition unit satisfies a first predetermined condition related to the predetermined position information and to generate a determination result according determination. The processing unit is configured to determine if the user is allowed to access the digital file according to the determination result.
    Type: Application
    Filed: June 21, 2013
    Publication date: January 2, 2014
    Inventors: Sterling Shyundii Du, Jingjing Zuo, Chengxia He
  • Publication number: 20130278837
    Abstract: A multi-media system includes a display device and a controller. The display device receives a video signal indicating image content and displays the image content according to the video signal. The controller captures a user's information, identifies a user's sensory state according to captured user information, and generates a control signal according to the sensory state for controlling the display device. The user information includes image information. The sensory state includes eyeball movement.
    Type: Application
    Filed: April 18, 2013
    Publication date: October 24, 2013
    Applicant: O2Micro Inc.
    Inventors: Sterling Shyundii Du, Jingjing Zuo, Chengxia He, Qi Zhu, Zhibin Hua
  • Publication number: 20130250108
    Abstract: An access control system in an automobile is provided. The access control system includes a grayscale camera, an infrared camera and a processing device. The grayscale camera is configured to capture a grayscale image of the face of a driver. The infrared camera is configured to capture an infrared image of the face of the driver simultaneously with the grayscale camera. The processing device includes a processor and a controller. The processor is configured to receive the grayscale image and the infrared image, convert the grayscale image and the infrared image to a grayscale matrix and an infrared matrix respectively, extract a feature matrix from the grayscale matrix and the infrared matrix, and compute a similarity value by comparing the feature matrix with multiple feature matrices. The controller is configured to receive a result of face recognition and control a startup device and a warning device of the automobile.
    Type: Application
    Filed: February 1, 2013
    Publication date: September 26, 2013
    Applicant: O2MICRO, INC.
    Inventors: Sterling Shyundii Du, Jingjing Zuo, Chengxia He, Qi Zhu
  • Publication number: 20130246270
    Abstract: A device, a system and a method are provided for multi-modal identity recognition. The device includes a face recognition unit, a voice recognition unit, and a control unit. The face recognition unit is configured for generating a first recognition result by obtaining and processing face recognition information of a customer and by comparing the processed face recognition information with face recognition information stored in a facial feature database. The voice recognition unit is configured for generating a second recognition result by obtaining and processing voice recognition information of a customer and by comparing the processed voice recognition information with voice recognition information stored in an audio signature database. The control unit is configured for confirming an identity of the customer based on the first recognition result and the second recognition result.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 19, 2013
    Applicant: O2 Micro Inc.
    Inventors: Sterling Shyundii Du, Jingjing Zuo, Chengxia He, Qi Zhu
  • Publication number: 20130246227
    Abstract: A method for enhancing buying experience. The method for enhancing buying experience includes acquiring information regarding clothes and a body size of a user; generating a model of the clothes based on the information regarding clothes and the body size of the user; acquiring a current posture of the user; modifying the model of the clothes according to the current posture of the user to generate a modified model of the clothes; and combining a real-time photo of the user with the modified model of the clothes to compose a real-time image.
    Type: Application
    Filed: March 1, 2013
    Publication date: September 19, 2013
    Applicant: O2MICRO, INC.
    Inventors: Sterling Shyundii Du, Jingjing Zuo, Chengxia He, Qi Zhu
  • Publication number: 20130243332
    Abstract: Method and system for estimating an object of interest are provided. Visual information of a customer's face is obtained. Pupil location information indicative of at least a location of a pupil of an eye of the customer is determined based on the visual information. A field of view of the customer is determined based on the visual information. Then a focal point of the customer is determined based on the pupil location information, the field of view, and a predetermined focus condition. An object of interest of the customer is estimated based on the focal point. Information associated with the object is provided to the customer.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 19, 2013
    Applicant: O2 Micro Inc.
    Inventors: Sterling Shyundii Du, Jingjing Zuo, Chengxia He, Qi Zhu
  • Publication number: 20130243388
    Abstract: A control system for a video player. The control system includes an image acquisition module, a first storage module, a comparison module and a control module. The image acquisition module is configured to scan a predetermined area in front of the video player to detect a first set of facial images when the video player is playing a tagged program. The first storage module is configured to store a second set of facial images of registered users. The comparison module is configured to compare a detected facial image in the first set of facial images with the second set of facial images. The control module is configured to control the video player based on a comparison result from the comparison module.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 19, 2013
    Applicant: O2MICRO, INC.
    Inventors: Sterling Shyundii Du, Qiang Guan, Jingjing Zuo, Chengxia He, Qi Zhu