US 11,856,170 B2
Medium carrying device, control method, and control program
Masaaki Sakai, Kahoku (JP)
Assigned to PFU LIMITED, Kahoku (JP)
Appl. No. 18/040,139
Filed by PFU LIMITED, Kahoku (JP)
PCT Filed Oct. 12, 2020, PCT No. PCT/JP2020/038523
§ 371(c)(1), (2) Date Jan. 31, 2023,
PCT Pub. No. WO2022/079770, PCT Pub. Date Apr. 21, 2022.
Prior Publication US 2023/0276011 A1, Aug. 31, 2023
Int. Cl. H04N 1/04 (2006.01); G06T 7/13 (2017.01)
CPC H04N 1/04 (2013.01) [G06T 7/13 (2017.01)] 16 Claims
OG exemplary drawing
 
1. A medium conveyance apparatus comprising:
a conveying roller to convey a medium;
an imaging device to capture an image of the conveyed medium;
a storage device to store a low reliability region inside an input image of a medium captured by the imaging device based on a positional relationship between an imaging position of the imaging device and arrangement position of the conveying roller; and
a processor to
detect edge pixels from the input image,
detect an end part in a main scan direction of the medium based on edge pixels detected from a region not including the low reliability region inside the input image, and
output information relating to the detected end part.