| 20100245562 | METHOD AND DEVICE FOR DETECTING SHAPE OF SHEET ROLL - Disclosed a method and device for detecting a shape of a sheet roll. The method for detecting a shape of a sheet roll comprises positioning a camera on a cylindrical side surface of the sheet roll; photographing a cylindrical side surface while rotating the camera along the cylindrical side surface of a sheet roll; and determining whether there is a defect in a shape of a winding roll by analyzing a pattern of an image acquired by photographing. | 09-30-2010 |
