Title:
CONTAINER SORTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/119490
Kind Code:
A1
Abstract:
A container sorting system 1 has: a camera 20 for capturing an image of a group of waste materials on a belt conveyor 40 on which the group of waste materials are conveyed; an image recognition unit 12 for recognizing the type and existence region of a container included within the group of waste materials on the basis of the image captured by the camera 20; an area centroid calculation unit 13 for calculating first coordinates that are the coordinates of the area centroid of the container in the image captured by the camera 20; an extraction point coordinates calculation unit 14 for calculating second coordinates that are the coordinates moved in the bottom direction of the container from the first coordinates by a prescribed amount; and an extraction unit 31 for using the second coordinates as the extraction point for container extraction to extract the container from among the group of waste materials that are conveyed on the belt conveyor 40.
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Inventors:
HONGO MASANOBU (JP)
LI JIAN (JP)
HIRAI YOSHITO (JP)
LI JIAN (JP)
HIRAI YOSHITO (JP)
Application Number:
PCT/JP2021/047590
Publication Date:
June 29, 2023
Filing Date:
December 22, 2021
Export Citation:
Assignee:
PFU LTD (JP)
International Classes:
B07C5/34; B65G47/90
Foreign References:
| JP2021137738A | 2021-09-16 | |||
| JP2002086077A | 2002-03-26 | |||
| JP2015020314A | 2015-02-02 | |||
| JP2012158406A | 2012-08-23 | |||
| JP2021084076A | 2021-06-03 | |||
| CN112329587A | 2021-02-05 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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