Title:
IMAGE SELECTION DEVICE, IMAGE SELECTION METHOD, AND IMAGE SELECTION PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/157892
Kind Code:
A1
Abstract:
An image selection device 1 is provided with: a three-dimensional space mapping unit 15 that, on the basis of positions and postures of a subject in a plurality of images constituting a video, maps subject information items relating to the subject into a three-dimensional space regarding types of postures and positions in a two-dimensional coordinate system; a grid division unit 16 that divides, into a plurality of regions using a grid, a frequency map indicating frequencies of the positions where the plurality of subject information items are positioned in the two-dimensional coordinate system in the three-dimensional space; a count list generation unit 17 that generates a first list obtained by counting and listing the numbers of images for the divided regions and generates a second list obtained by counting and listing the numbers of images for the types of postures in the regions; and a number-of-selections determination unit 18 that determines, by using the first list, the numbers of selected images for the regions corresponding to predetermined numbers of selected images, on the basis of the ratios of the numbers of images between regions and that determines, by using the second list, the numbers of selected images for the types of postures in the regions after determination of the numbers of selected images, on the basis of the ratios of the numbers of images between the types of postures.
Inventors:
KAKINUMA HIROKAZU (JP)
YAMADA SHOTA (JP)
NAGATA HIDENOBU (JP)
HIDAKA KOTA (JP)
YAMADA SHOTA (JP)
NAGATA HIDENOBU (JP)
HIDAKA KOTA (JP)
Application Number:
PCT/JP2021/002071
Publication Date:
July 28, 2022
Filing Date:
January 21, 2021
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G06T7/00
Domestic Patent References:
| WO2020255326A1 | 2020-12-24 |
Foreign References:
| JP3936666B2 | 2007-06-27 | |||
| JP2015194927A | 2015-11-05 | |||
| US20130185233A1 | 2013-07-18 | |||
| JP2020119127A | 2020-08-06 | |||
| JP2019040335A | 2019-03-14 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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