Title:
COMPUTER VISION SYSTEM, COMPUTER VISION METHOD, COMPUTER VISION PROGRAM, AND LEARNING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/002716
Kind Code:
A1
Abstract:
Provided is a computer vision system having a machine learning model for estimating the classification of a scenario pertaining to one discretionary portion of a sports match video, the machine learning model being such that gradient loss does not readily occur during learning. This computer vision system (10) has a continuous image data acquisition unit and a machine learning model (M), the machine learning model (M) having a first-half image feature quantity acquisition unit (411) for acquiring a plurality of first-half image feature quantities (F1), a second-half image feature quantity acquisition unit (412) for acquiring a plurality of second-half image feature quantities (F2), a sequence-information-equipped first-half feature quantity acquisition unit (421) for acquiring a plurality of sequence-information-equipped first-half feature quantities (F3), a sequence-information-equipped second-half feature quantity acquisition unit (422) for acquiring a plurality of sequence-information-equipped second-half feature quantities (F4), a relatedness-information-equipped first-half feature quantity acquisition unit (431) for acquiring a plurality of relatedness-information-equipped first-half feature quantities (F5), a relatedness-information-equipped second-half feature quantity acquisition unit (432) for acquiring a plurality of relatedness-information-equipped second-half feature quantities (F6), and an estimation result acquisition unit (50) for acquiring a result of estimation on the basis of the plurality of relatedness-information-equipped first-half feature quantities (F5) and the plurality of relatedness-information-equipped second-half feature quantities (F6).
Inventors:
YAMASHITA TAKAYOSHI (JP)
FUJIYOSHI HIRONOBU (JP)
HIRAKAWA TSUBASA (JP)
NAKAZAWA MITSURU (JP)
CHAE YEONGNAM (JP)
STENGER BJORN (JP)
FUJIYOSHI HIRONOBU (JP)
HIRAKAWA TSUBASA (JP)
NAKAZAWA MITSURU (JP)
CHAE YEONGNAM (JP)
STENGER BJORN (JP)
Application Number:
PCT/JP2022/014990
Publication Date:
January 26, 2023
Filing Date:
March 28, 2022
Export Citation:
Assignee:
RAKUTEN GROUP INC (JP)
CHUBU UNIV EDUCATIONAL FOUNDATION (JP)
CHUBU UNIV EDUCATIONAL FOUNDATION (JP)
International Classes:
G06T7/00
Foreign References:
| JP2018190332A | 2018-11-29 | |||
| JP2009093250A | 2009-04-30 | |||
| JP2008198038A | 2008-08-28 |
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
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