Patents by Inventor Hsiang-Wen Hsieh

Hsiang-Wen Hsieh 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).

  • Patent number: 8588471
    Abstract: A mapping method is provided. The environment is scanned to obtain depth information of environmental obstacles. The image of the environment is captured to generate an image plane. The depth information of environmental obstacles is projected onto the image plane, so as to obtain projection positions. At least one feature vector is calculated from a predetermined range around each projection position. The environmental obstacle depth information and the environmental feature vector are merged to generate a sub-map at a certain time point. Sub-maps at all time points are combined to generate a map. In addition, a localization method using the map is also provided.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: November 19, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Hsiang-Wen Hsieh, Hung-Hsiu Yu, Yu-Kuen Tsai, Wei-Han Wang, Chin-Chia Wu
  • Patent number: 8395663
    Abstract: A positioning system and a method thereof are provided. In the positioning method, a first and a second pose information of a moving device are obtained by a first positioning device and a second positioning device respectively, wherein the first pose information corresponds to the second pose information. In addition, a plurality of first candidacy pose information is generated in an error range of the first pose information. Furthermore, a plurality of second candidacy pose information is generated according to the first pose information respectively. One of the second candidacy pose information having a smallest error derived from the second pose information is selected for updating the pose information of the first positioning device and parameter information of the second positioning device. Thereby, pose information of the moving device is updated and parameter information of the second orientation devices is calibrated simultaneously.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: March 12, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Hsiang-Wen Hsieh, Jwu-Sheng Hu, Shyh-Haur Su, Chin-Chia Wu
  • Publication number: 20120136604
    Abstract: A method and an apparatus for estimating 3D attitude are disclosed. The method comprises following steps. A set of current angular velocity, a set of current magnetic flux and a set of acceleration of a carrier are sensed. A set of estimated attitude angles are estimated according to the set of current angular velocities, a set of history attitude angles and a motion model. A disturbance parameter is calculated according the set of current magnetic flux and a set of history magnetic flux. It is determined whether the disturbance parameter is more than a disturbance threshold or not. If yes, the set of estimated attitude angles are updated according to the set of current accelerations not the set of current magnetic flux. If not, the set of estimated attitude angles are updated according to the set of current accelerations and the set of current magnetic flux.
    Type: Application
    Filed: July 26, 2011
    Publication date: May 31, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsiang-Wen Hsieh, Yu-Kuen Tsai, Chia-Lin Kuo, Hung-Hsiu Yu
  • Patent number: 8044780
    Abstract: The invention relates to a method and apparatus for predicting/alarming the moving of hidden objects. The apparatus comprises: a distance sensing unit, for obtaining a distance data detected within a specific sensing range and thus outputting the distance data; a speed sensing unit, for measuring the movement of a carrier to obtain a real-time speed data of the carrier and thus output the speed data; a control unit, for receiving and analyzing the distance data and the speed data to obtain information relating to the position of the carrier, the environment surrounding the carrier and positions of objects moving in the blind spots of the carrier, and thus to perform an evaluation based upon the aforesaid information to determine a danger level for issuing a control signal accordingly; and an alarm unit, for issuing an alarm signal according to the control signal.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: October 25, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Shih Tseng, Hsiang-Wen Hsieh, Wei-Han Wang
  • Publication number: 20110123135
    Abstract: A mapping method is provided. The environment is scanned to obtain depth information of environmental obstacles. The image of the environment is captured to generate an image plane. The depth information of environmental obstacles is projected onto the image plane, so as to obtain projection positions. At least one feature vector is calculated from a predetermined range around each projection position. The environmental obstacle depth information and the environmental feature vector are merged to generate a sub-map at a certain time point. Sub-maps at all time points are combined to generate a map. In addition, a localization method using the map is also provided.
    Type: Application
    Filed: February 4, 2010
    Publication date: May 26, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsiang-Wen Hsieh, Hung-Hsiu Yu, Yu-Kuen Tsai, Wei-Han Wang, Chin-Chia Wu
  • Publication number: 20100165116
    Abstract: A camera with dynamic calibration and a method thereof is provided. The camera is first subject to an initial calibration. Then, a motion amount of the camera is calculated, and a plurality of motion amount estimation samples of the camera is generated according to the motion amount. Then, a weight of each of the motion amount estimation samples is calculated. Thereafter, the plurality of motion amount estimation samples is re-sampled based on the weights, and the camera is calibrated by the re-sampled estimated motion samples.
    Type: Application
    Filed: February 24, 2009
    Publication date: July 1, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsiang-Wen Hsieh, Hung-Hsiu Yu, Wei-Han Wang, Chin-Chia Wu
  • Publication number: 20100157048
    Abstract: A positioning system and a method thereof are provided. In the positioning method, a first and a second pose information of a moving device are obtained by a first positioning device and a second positioning device respectively, wherein the first pose information corresponds to the second pose information. In addition, a plurality of first candidacy pose information is generated in an error range of the first pose information. Furthermore, a plurality of second candidacy pose information is generated according to the first pose information respectively. One of the second candidacy pose information having a smallest error derived from the second pose information is selected for updating the pose information of the first positioning device and parameter information of the second positioning device. Thereby, pose information of the moving device is updated and parameter information of the second orientation devices is calibrated simultaneously.
    Type: Application
    Filed: February 17, 2009
    Publication date: June 24, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsiang-Wen Hsieh, Jwu-Sheng Hu, Shyh-Haur Su, Chin-Chia Wu
  • Publication number: 20090058677
    Abstract: The invention relates to a method and apparatus for predicting/alarming the moving of hidden objects. The apparatus comprises: a distance sensing unit, for obtaining a distance data detected within a specific sensing range and thus outputting the distance data; a speed sensing unit, for measuring the movement of a carrier to obtain a real-time speed data of the carrier and thus output the speed data; a control unit, for receiving and analyzing the distance data and the speed data to obtain information relating to the position of the carrier, the environment surrounding the carrier and positions of objects moving in the blind spots of the carrier, and thus to perform an evaluation based upon the aforesaid information to determine a danger level for issuing a control signal accordingly; and an alarm unit, for issuing an alarm signal according to the control signal.
    Type: Application
    Filed: January 25, 2008
    Publication date: March 5, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: KUO-SHIH TSENG, HSIANG-WEN HSIEH, WEI-HAN WANG