Writing preservation apparatus and non-transitory computer readable medium storing writing preservation program
First Claim
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1. A writing preservation apparatus that preserves, as image data, writing on a writing target medium on which writing is performed and erasing of writing in an arbitrary region is performed, the apparatus comprising:
- a processor, configured to load instructions from a memory and execute the instructions to;
acquire time-series image data captured at a plurality of points of times for the writing target medium;
recognize written regions in which writing is performed on the writing target medium at the points of time based on the image data at the points of time which are acquired;
preserve first image data captured at a first point of time in a case where the written region recognized in the first image data in whole or in part is absent in the written region recognized in second image data captured at a second point of time subsequent to the first point of time,recognize whether or not a blocked region in which an obstruction which blocks a part of the writing target medium is pictured is present on an image represented by the image data acquired; and
generate fifth image data representing a fifth image which is acquired by recovering at least a part of writing in the blocked region captured at a third point of time, based on third image data captured at the third point of time on which presence of the blocked region on an image is recognized and fourth image data captured at one or more fourth points of time which are earlier than the third point of time,wherein the processor recognizes the written region captured at the third point of time in the fifth image data.
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Abstract
A writing preservation apparatus preserves, as image data, writing on a writing target medium in which writing is performed and erasing of writing in an arbitrary region is performed. The apparatus includes an acquisition unit that acquires time-series image data items at points of times for the writing target medium, a written region recognition unit that recognizes written regions in which writing is performed on the writing target medium at the points of time based on the image data items at the points of time which are acquired by the acquisition unit, and a preservation unit that preserves first image data at a first point of time in a case where the written region recognized based on the first image data in whole or part is absent in the written region recognized based on second image data at a second point of time subsequent to the first point of time.
4 Citations
5 Claims
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1. A writing preservation apparatus that preserves, as image data, writing on a writing target medium on which writing is performed and erasing of writing in an arbitrary region is performed, the apparatus comprising:
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a processor, configured to load instructions from a memory and execute the instructions to; acquire time-series image data captured at a plurality of points of times for the writing target medium; recognize written regions in which writing is performed on the writing target medium at the points of time based on the image data at the points of time which are acquired; preserve first image data captured at a first point of time in a case where the written region recognized in the first image data in whole or in part is absent in the written region recognized in second image data captured at a second point of time subsequent to the first point of time, recognize whether or not a blocked region in which an obstruction which blocks a part of the writing target medium is pictured is present on an image represented by the image data acquired; and generate fifth image data representing a fifth image which is acquired by recovering at least a part of writing in the blocked region captured at a third point of time, based on third image data captured at the third point of time on which presence of the blocked region on an image is recognized and fourth image data captured at one or more fourth points of time which are earlier than the third point of time, wherein the processor recognizes the written region captured at the third point of time in the fifth image data. - View Dependent Claims (2, 3, 4)
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5. A non-transitory computer readable medium storing a writing preservation program that is executed in an information processing apparatus which executes a program, the program causing the information processing apparatus to operate as:
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a writing preservation apparatus that stores, as image data, writing on a writing target medium in which writing is performed and erasing of writing in an arbitrary region is performed, wherein the writing preservation apparatus includes a processor, configured to load instructions from a memory and execute the instructions to; acquire time-series image data captured at a plurality of points of times for the writing target medium; recognize written regions in which writing is performed on the writing target medium at the points of time based on the image data at the points of time which are acquired; preserve first image data captured at a first point of time in a case where the written region recognized in the first image data in whole or in part is absent in the written region recognized in second image data captured at a second point of time subsequent to the first point of time; recognize whether or not a blocked region in which an obstruction which blocks a part of the writing target medium is pictured is present on an image represented by the image data acquired; and generate fifth image data representing a fifth image which is acquired by recovering at least a part of writing in the blocked region captured at a third point of time, based on third image data captured at the third point of time on which presence of the blocked region on an image is recognized and fourth image data captured at one or more fourth points of time which are earlier than the third point of time, wherein the processor recognizes the written region captured at the third point of time in the fifth image data.
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Specification
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Current AssigneeFujifilm Business Innovation Corp. (Fujifilm Holdings Corporation)
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Original AssigneeFuji Xerox Company Limited (Xerox Holdings Corp.)
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InventorsInomata, Kohshiro
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Primary Examiner(s)Bali, Vikkram
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Application NumberUS15/805,144Publication NumberTime in Patent Office1,001 DaysField of SearchNoneUS Class CurrentCPC Class CodesG06F 18/22 Matching criteria, e.g. pro...G06T 11/60 Editing figures and text; C...G06V 20/47 Detecting features for summ...H04N 5/77 between a recording apparat...H04N 5/91 Television signal processin...
