Patents by Inventor Yousen Qiu

Yousen Qiu 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: 8733649
    Abstract: An exemplary Data Matrix barcode decoding chip, comprising: a characteristic searching unit configured for searching for a characteristic pattern in the barcode image to determine pixel coordinates of the characteristic pattern; a barcode parameter acquiring unit configured for acquiring a barcode parameter according to the pixel coordinates of the characteristic pattern; a correction characteristic acquiring unit configured for searching for a characteristic position in the barcode image and acquiring a correction characteristic according to the characteristic position; a module information processing unit configured for calculating a grayscale value corresponding to a module according to the barcode parameter and the correction characteristic; a binarizing unit configured for binarizing the module; a codeword extracting unit configured for extracting a codeword according to the binarized module; and an error correction and decoding unit configured for decoding the codeword.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: May 27, 2014
    Assignee: Fujian Newland Computer Co., Ltd.
    Inventors: Qiang Cai, Wenchuan Chen, Yousen Qiu, Tao Yang
  • Patent number: 8596538
    Abstract: An exemplary barcode decoding chip includes a scan module, a boundary identification module, a direction identification module, a bar space boundary processing module, a symbol parameter identification module, a symbol character extraction module, and a decoding module.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: December 3, 2013
    Assignee: Fujian Newland Computer Co., Ltd.
    Inventors: Yali Sun, Dong Guo, Rongsheng Liu, Xianfu Wang, Lunyu Hu, Wenchuan Chen, Qiang Cai, Xiaodan Cai, Qingcai Zhang, Chunguang Zheng, Yousen Qiu, Zhilong Lin, Guoliang Zhuang, Zhiyu Wu
  • Publication number: 20110290880
    Abstract: An exemplary Data Matrix barcode decoding chip, comprising: a characteristic searching unit configured for searching for a characteristic pattern in the barcode image to determine pixel coordinates of the characteristic pattern; a barcode parameter acquiring unit configured for acquiring a barcode parameter according to the pixel coordinates of the characteristic pattern; a correction characteristic acquiring unit configured for searching for a characteristic position in the barcode image and acquiring a correction characteristic according to the characteristic position; a module information processing unit configured for calculating a grayscale value corresponding to a module according to the barcode parameter and the correction characteristic; a binarizing unit configured for binarizing the module; a codeword extracting unit configured for extracting a codeword according to the binarized module; and an error correction and decoding unit configured for decoding the codeword.
    Type: Application
    Filed: May 31, 2011
    Publication date: December 1, 2011
    Applicant: FUJIAN NEWLAND COMPUTER CO., LTD.
    Inventors: Qiang Cai, Wenchuan Chen, Yousen Qiu, Tao Yang
  • Publication number: 20110290877
    Abstract: An exemplary barcode decoding chip includes a scan module, a boundary identification module, a direction identification module, a bar space boundary processing module, a symbol parameter identification module, a symbol character acquisition module, and a decoding module.
    Type: Application
    Filed: May 31, 2011
    Publication date: December 1, 2011
    Applicant: FUJIAN NEWLAND COMPUTER CO., LTD.
    Inventors: Yali Sun, Dong Guo, Rongsheng Liu, Xianfu Wang, Lunyu Hu, Wenchuan Chen, Qiang Cai, Xiaodan Cai, Qingcai Zhang, Chunguang Zheng, Yousen Qiu, Zhilong Lin, Guoliang Zhuang, Zhiyu Wu