Title:
情報処理装置、情報処理方法及びプログラム
Document Type and Number:
Japanese Patent JP7210908
Kind Code:
B2
Abstract:
There is provided an image archiving method for use with a writing target, comprising the steps of receiving a series of captured images of the writing target, detecting difference between first and second candidate received images separated by a predetermined period of time, where additive differences are indicative of writing and subtractive differences are indicative of erasure; upon detecting subtractive difference, temporarily retaining a last candidate image captured prior to the detection, and detecting whether the subtractive difference relative to the retained image exceeds a subtraction threshold amount; and if so, then storing the retained image.
Inventors:
Shogo Takanashi
Application Number:
JP2018107366A
Publication Date:
January 24, 2023
Filing Date:
June 05, 2018
Export Citation:
Assignee:
Sony Group Corporation
International Classes:
G06T7/254; B43L1/04
Domestic Patent References:
| JP2005125628A | ||||
| JP2015109612A | ||||
| JP2011123895A |
Foreign References:
| US20180108121 | ||||
| US9706168 | ||||
| US20170092333 |
Attorney, Agent or Firm:
Sakai International Patent Office
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