发明名称 Image capturing apparatus, control method of image capturing apparatus, and image capturing system
摘要 An image capturing apparatus comprises a focus detection unit configured to detect, based on a signal output from an image sensor, a focus evaluation value using one of a plurality of different focus detection methods, a correction unit configured to correct the focus evaluation value in accordance with the focus detection method used for the detection, and a storage unit configured to store information for calculating a reference correction value for correcting a focus evaluation value detected using a predetermined one of the focus detection methods, and information for calculating, from the reference correction value, a correction value for correcting a focus evaluation value detected using another of the focus detection methods. The correction unit calculates a correction value using the information stored in the storage unit, and corrects the focus evaluation value using the calculated correction value.
申请公布号 US9407813(B2) 申请公布日期 2016.08.02
申请号 US201514722446 申请日期 2015.05.27
申请人 Canon Kabushiki Kaisha 发明人 Hamano Hideyuki;Takao Yumi
分类号 G03B13/00;H04N5/232;H04N1/21 主分类号 G03B13/00
代理机构 Cowan, Liebowitz & Latman, P.C. 代理人 Cowan, Liebowitz & Latman, P.C.
主权项 1. An image capturing apparatus comprising: a focus detection unit configured to detect, based on a signal output from an image sensor, a focus evaluation value for controlling an imaging optical system to be in an in-focus state using one of a plurality of different focus detection methods; a correction unit configured to correct the focus evaluation value in accordance with the focus detection method used for the detection; and a storage unit configured to store information for calculating a reference correction value for correcting a focus evaluation value detected using a predetermined focus detection method from among the plurality of different focus detection methods, and information for calculating, from the reference correction value, a correction value for correcting a focus evaluation value detected using a focus detection method other than the predetermined focus detection method from among the plurality of different focus detection methods, wherein the correction unit is configured to calculate a correction value for correcting the focus evaluation value using the information stored in the storage unit, and correct the focus evaluation value using the calculated correction value.
地址 Tokyo JP