Patents Assigned to VISIONATICS INC.
  • Patent number: 8590794
    Abstract: A barcode recognition method and a computer program product thereof are provided. In the barcode recognition method, at first, a foreground extraction step is performed to obtain a binary image of a barcode image. Thereafter, an alignment step is performed to calculate a center coordinate, corner coordinates, a shift vector, and a rotation angle of the target barcode in accordance with the barcode image, the binary image, the shift vector, and the rotation angle. Thereafter, positions of data space patterns, boundary patterns, and an alignment type of the target barcode are determined in accordance with the center coordinate, the corner coordinates, the shift vector, and the rotation angle of the target barcode. Then, values of the target barcode are determined in accordance with the positions of the data space patterns, the boundary patterns, and the alignment type of the target barcode.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 26, 2013
    Assignee: Visionatics Inc.
    Inventors: Chi-Chen Wang, Chien-Chung Tseng, Jenn-Jier Lien
  • Publication number: 20130256416
    Abstract: A barcode recognition method and a computer program product thereof are provided. In the barcode recognition method, at first, a foreground extraction step is performed to obtain a binary image of a barcode image. Thereafter, an alignment step is performed to calculate a center coordinate, corner coordinates, a shift vector, and a rotation angle of the target barcode in accordance with the barcode image, the binary image, the shift vector, and the rotation angle. Thereafter, positions of data space patterns, boundary patterns, and an alignment type of the target barcode are determined in accordance with the center coordinate, the corner coordinates, the shift vector, and the rotation angle of the target barcode. Then, values of the target barcode are determined in accordance with the positions of the data space patterns, the boundary patterns, and the alignment type of the target barcode.
    Type: Application
    Filed: March 13, 2013
    Publication date: October 3, 2013
    Applicant: VISIONATICS INC.
    Inventors: Chi-Chen WANG, Chien-Chung TSENG, Jenn-Jier LIEN
  • Patent number: 8542873
    Abstract: A motion object detection method using an adaptive background model and a computer-readable storage medium are provided. In the motion object detection method, a background model establishing step is firstly performed to establish a background model to provide a plurality of background brightness reference values. Then, a foreground object detecting step is performed to use the background model to detect foreground objects. In the background model establishing step, a plurality of brightness weight values are firstly provided in accordance with the brightness of background pixels, wherein each of the brightness weight values is determined in accordance with the relative background pixel. Thereafter, the background brightness reference values are calculated based on the brightness of the background pixels and the brightness weight values. In addition, a computer can perform the motion object detection method after reading the computer-readable storage medium.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: September 24, 2013
    Assignee: Visionatics Inc.
    Inventors: Jenn-Jier Lien, Chi-Chen Wang, Te-Hsun Wang, Jin-Yi Wu, Chien-Chung Tseng, Chih-Wei Fang
  • Publication number: 20100296698
    Abstract: A motion object detection method using an adaptive background model and a computer-readable storage medium are provided. In the motion object detection method, a background model establishing step is firstly performed to establish a background model to provide a plurality of background brightness reference values. Then, a foreground object detecting step is performed to use the background model to detect foreground objects. In the background model establishing step, a plurality of brightness weight values are firstly provided in accordance with the brightness of background pixels, wherein each of the brightness weight values is determined in accordance with the relative background pixel. Thereafter, the background brightness reference values are calculated based on the brightness of the background pixels and the brightness weight values. In addition, a computer can perform the motion object detection method after reading the computer-readable storage medium.
    Type: Application
    Filed: November 19, 2009
    Publication date: November 25, 2010
    Applicant: VISIONATICS INC.
    Inventors: Jenn-Jier LIEN, Chi-Chen WANG, Te-Hsun WANG, Jin-Yi WU, Chien-Chung TSENG, Chih-Wei FANG