Title:
高速度撮像システム及び高速度撮像方法
Document Type and Number:
Japanese Patent JP6540261
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a high-speed imaging system and a high-speed imaging method capable of imaging a to-be-imaged object moving at a speed exceeding an upper limit of a frame rate of an imaging device as well as appropriately separating an image at each irradiation time, and capable of more accurately measuring a moving speed of the to-be-imaged object, by radiating irradiation light of a plurality of times within one exposure time and imaging a moving to-be-imaged object in one image by a plurality of times.SOLUTION: A high-speed imaging system comprises: high-speed imaging means; a light source; and image processing means, the high-speed imaging means picks up an image at intervals of first predetermined time and outputs the image to the image processing means, the light source radiates a plurality of irradiation beams at different output intensities within exposure time of the high-speed imaging means at intervals of second predetermined time. The image processing means extracts a plurality of to-be-imaged objects of different luminances from the image, and determines a moving speed of each to-be-imaged object on the basis of a moving distance determined from a position of the to-be-imaged object of each luminance, and the second predetermined time.SELECTED DRAWING: Figure 3
Inventors:
Tomohiko Haruyama
Application Number:
JP2015123230A
Publication Date:
July 10, 2019
Filing Date:
June 18, 2015
Export Citation:
Assignee:
JTEKT Corporation
International Classes:
G01P3/36; H04N5/235; H04N5/238
Domestic Patent References:
| JP63298065A | ||||
| JP3559816B2 | ||||
| JP6138824B2 | ||||
| JP4822004B2 |
Foreign References:
| WO2008156022A1 | ||||
| KR20120138376A |
Attorney, Agent or Firm:
Okada International Patent Office