公开(公告)号：US20240071116A1

公开(公告)日：2024-02-29

申请号：US18038763

申请日：2021-12-02

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Junpei MOMO ,  Shoko SAITO

IPC: G06V30/19 ,  G06V10/82 ,  G06V30/242

CPC classification number: G06V30/19093 ,  G06V10/82 ,  G06V30/19147 ,  G06V30/242

Abstract: A proofreading system that allows a user to easily judge whether or not there is an error in writing or the like. A proofreading method using a comparison image group obtained by dividing a sentence included in a comparison document group into a plurality of first terms and converting the first terms into images is provided. Specifically, first, a sentence included in a designated document is divided into a plurality of second terms, and the appearance frequency in the comparison document group of the plurality of second terms are obtained. Next, the second term with the appearance frequency lower than or equal to a threshold value of the plurality of second terms are imaged to obtain a verification image. After that, similarity degrees between the verification image and comparison images included in the comparison image group are obtained, and the first term represented by the comparison image with the highest similarity degree of the comparison images is presented. The presentation is performed by displaying that the second term represented by the verification image can be an error in writing of the first term represented by the comparison image having a high similarity degree with the verification image.

公开(公告)号：US20220004570A1

公开(公告)日：2022-01-06

申请号：US17294930

申请日：2019-11-19

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Tatsuya OKANO ,  Shoko SAITO

IPC: G06F16/332 ,  G06F16/33 ,  G06F16/31 ,  G06F40/279 ,  G06K9/00

Abstract: A similar document is retrieved in units of blocks of a document. Highly accurate document search is performed. A specific text block is searched for in a plurality of text blocks created by dividing each of a plurality of search target documents. A first search text block, which is a part of a search document, is prepared; full-text search is performed by using at least some of the plurality of text blocks as a first target and using the first search text block as a search criterion to calculate first relevance of each text block included in the first target to the first search text block; a second target is determined from the first target depending on a level of the first relevance; first similarities of each sentence included in the first search text block to sentences included in the second target are calculated; and at least one text block similar to the first search text block is retrieved using the first similarities.