Patents by Inventor Wang Cheng-Wei

Wang Cheng-Wei 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).

  • Smoke detecting method and device
    Patent number: 7859419
    Abstract: A smoke detecting method and device are provided. The smoke detecting method and device capture a plurality of images; determine one of the plurality of images as an analyzable image when the one of the plurality of images is identified to have a moving object; analyze a chrominance variation of the analyzable image; analyze at least one of an edge blur and a flickering frequency of the analyzable image; compare at least one of analyzed results from the analyzing steps with a corresponding predetermined feature; and determine the moving object is a smoke when at least one of the analyzed results conforms to the corresponding predetermined feature.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: December 28, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Chang Shen-Kuen, Lu Chung-Hsien, Chao Hao-Ting, Chang Shih-Hua, Hsu Yu-Ren, Huang Kun-Lin, Wang Cheng-Wei
  • Smoke detecting method and device
    Publication number: 20080186191
    Abstract: A smoke detecting method and device are provided. The smoke detecting method and device capture a plurality of images; determine one of the plurality of images as an analyzable image when the one of the plurality of images is identified to have a moving object; analyze a chrominance variation of the analyzable image; analyze at least one of an edge blur and a flickering frequency of the analyzable image; compare at least one of analyzed results from the analyzing steps with a corresponding predetermined feature; and determine the moving object is a smoke when at least one of the analyzed results conforms to the corresponding predetermined feature.
    Type: Application
    Filed: April 9, 2008
    Publication date: August 7, 2008
    Inventors: Chang Shen-Kuen, Lu Chung-Hsien, Chao Hao-Ting, Chang Shih-Hua, Hsu Yu-Ren, Huang Kun-Lin, Wang Cheng-Wei