{"title":"(镜头)。","authors":"T. Tohma","doi":"10.32388/2vdlr5","DOIUrl":null,"url":null,"abstract":"(57) ABSTRACT (73) Assignee: FUJITSU SEMCONDUCTOR LIMITED, Yokohama (JP) A circuit for auto-focus adjustment includes a calculating unit configured to calculate an indicator of randomness of pixel values in a captured image, a direction determining unit con (21) Appl. No.: 12/938,994 figured to compare a first value of the indicator calculated by the calculating unit in a preceding focus adjustment process with a second value of the indicator calculated by the calcu (22) Filed: Nov. 3, 2010 lating unit after the calculation of the first value, thereby to determine a direction of focus shift in response to a result of the comparison, and a control unit configured to start a focus (30) Foreign Application Priority Data adjustment process by which a focus position is first moved in the direction of focus shift determined by the direction deter Nov. 26, 2009 (JP) ................................. 2009-268936 mining unit.","PeriodicalId":79374,"journal":{"name":"Ryoikibetsu shokogun shirizu","volume":"1 1","pages":"75-6"},"PeriodicalIF":0.0000,"publicationDate":"2020-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[Lens].\",\"authors\":\"T. Tohma\",\"doi\":\"10.32388/2vdlr5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"(57) ABSTRACT (73) Assignee: FUJITSU SEMCONDUCTOR LIMITED, Yokohama (JP) A circuit for auto-focus adjustment includes a calculating unit configured to calculate an indicator of randomness of pixel values in a captured image, a direction determining unit con (21) Appl. No.: 12/938,994 figured to compare a first value of the indicator calculated by the calculating unit in a preceding focus adjustment process with a second value of the indicator calculated by the calcu (22) Filed: Nov. 3, 2010 lating unit after the calculation of the first value, thereby to determine a direction of focus shift in response to a result of the comparison, and a control unit configured to start a focus (30) Foreign Application Priority Data adjustment process by which a focus position is first moved in the direction of focus shift determined by the direction deter Nov. 26, 2009 (JP) ................................. 2009-268936 mining unit.\",\"PeriodicalId\":79374,\"journal\":{\"name\":\"Ryoikibetsu shokogun shirizu\",\"volume\":\"1 1\",\"pages\":\"75-6\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-02-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Ryoikibetsu shokogun shirizu\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.32388/2vdlr5\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ryoikibetsu shokogun shirizu","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.32388/2vdlr5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
(57) ABSTRACT (73) Assignee: FUJITSU SEMCONDUCTOR LIMITED, Yokohama (JP) A circuit for auto-focus adjustment includes a calculating unit configured to calculate an indicator of randomness of pixel values in a captured image, a direction determining unit con (21) Appl. No.: 12/938,994 figured to compare a first value of the indicator calculated by the calculating unit in a preceding focus adjustment process with a second value of the indicator calculated by the calcu (22) Filed: Nov. 3, 2010 lating unit after the calculation of the first value, thereby to determine a direction of focus shift in response to a result of the comparison, and a control unit configured to start a focus (30) Foreign Application Priority Data adjustment process by which a focus position is first moved in the direction of focus shift determined by the direction deter Nov. 26, 2009 (JP) ................................. 2009-268936 mining unit.
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