JP2008128944A5 - - Google Patents

Claims (6)

  A labeler is affixed to a labeler that attaches a label to a container that revolves around a revolving track while rotating, and at least a pair of image pickup means is installed in the front direction of the label or the side surface direction of the label, and the image pickup means The feature point of the label affixed to the container is measured from the image of the container captured by the imager, the obtained feature point is compared with a preset reference value, and the affixed to the container A label inspection method for determining whether a label is good or bad.   The judgment criteria items for the quality of the label are at least one item of presence / absence of the label, backing, upside down, different label, label size and position, label interval, label inclination, presence / absence of printing, and lack of printing The label inspection method according to claim 1. A labeler that affixes a label to a container that revolves around a revolving track while rotating; and at least a pair of imaging means that are opposed to each other across the revolving track of the labeler and that are installed in the front direction of the label or the side surface direction of the label; Image measurement calculation means for measuring the feature point of the label affixed to the container from the image of the container picked up by the image pickup means, and pass / fail judgment reference value setting means in which a reference value for judging pass / fail of the label is set And a quality determination calculation means for comparing the characteristic points measured by the image measurement calculation means and the reference value to determine the quality of the label.   The judgment criteria items for the quality of the label are at least one item of presence / absence of the label, backing, upside down, different label, label size and position, label interval, label inclination, presence / absence of printing, and lack of printing The label inspection apparatus according to claim 3.   The label inspection apparatus according to claim 3 or 4, wherein an illuminating means for illuminating the container and a polarizing means comprising at least a pair of polarizing filters whose polarization directions cross each other are provided between the imaging means and the revolution trajectory. .   The label inspection apparatus according to claim 3, further comprising an image synthesis unit that synthesizes the image of the container captured by each of the imaging units.