公开(公告)号：US20160198107A1

公开(公告)日：2016-07-07

申请号：US15072543

申请日：2016-03-17

Applicant: Olympus Corporation

Inventor： Yukie YAMAZAKI ,  Kazumasa KUNUGI ,  Yoshinobu OMATA ,  Tetsuo KIKUCHI

IPC: H04N5/369 ,  H04N5/232

CPC classification number: H04N5/3696 ,  G02B7/34 ,  G02B7/38 ,  G03B13/36 ,  H04N5/23212 ,  H04N5/23229

Abstract: A focal point detection device comprising: an image sensor having a focal point detection pixel, a pixel data generation section to generate pixel data of a basis part and a reference part corresponding to a predetermined AF area using an output of the focal point detection pixel, a plurality of filter sections having different frequency characteristics to perform filter processing on the pixel data, a detection section to detect contrast of subject image data configured with a plurality of pieces of pixel data of the basis part and the reference part, and a calculation section to select a filter section from among the plurality of filter sections depending on the contrast output by the detection section, to perform correlation calculation using pixel data on which the filter processing is performed by the selected filter section to calculate a defocus amount.

Abstract translation: 一种焦点检测装置，包括：具有焦点检测像素的图像传感器，使用焦点检测像素的输出产生基准部分的像素数据和与预定AF区域对应的参考部分的像素数据生成部分， 具有不同频率特性的多个滤波器部分，用于对像素数据进行滤波处理;检测部分，检测由基准部分和参考部分的多个像素数据构成的被摄体图像数据的对比度;以及计算部分 根据由检测部输出的对比度输出，从多个滤波器部分中选择滤波器部分，使用由所选滤波器部分执行滤波处理的像素数据进行相关计算，以计算散焦量。

公开(公告)号：US20160105600A1

公开(公告)日：2016-04-14

申请号：US14879144

申请日：2015-10-09

Applicant: Olympus Corporation

Inventor： Yoshinobu OMATA ,  Kazumasa KUNUGI ,  Tetsuo KIKUCHI

IPC: H04N5/232 ,  G01B11/14 ,  G03B13/36

CPC classification number: H04N5/23212 ,  G01B11/14 ,  G02B7/34 ,  G02B7/36 ,  G03B13/36 ,  H04N5/3696

Abstract: An imaging device which includes an imaging element having a phase difference detection pixel, and which performs autofocus using AF areas each including a plurality of sub-areas, the imaging device comprising: a calculation section configured to perform correlation calculation based on a focus detection signal corresponding to each of the plurality of sub-areas and output a degree of reliability; an AF area selection section configured to select an AF area including a large number of sub-areas in each of which the degree of reliability calculated corresponding to the plurality of sub-areas is higher; a moving body prediction calculation section configured to perform moving body prediction calculation using distance measurement data that is calculated by the correlation calculation based on a focus detection signal of the selected AF area; and a focus control section configured to perform focus adjustment based on a result of the moving body prediction calculation.

Abstract translation: 一种成像装置，包括具有相位差检测像素的成像元件，并且使用包括多个子区域的AF区域进行自动聚焦，所述成像装置包括：计算部，被配置为基于焦点检测信号进行相关计算 对应于所述多个子区域中的每一个并输出可靠度; AF区域选择部，其被配置为选择包括多个子区域的AF区域，其中与所述多个子区域相对应地计算的可靠度越高; 移动体预测计算部，被配置为使用基于所选AF区域的焦点检测信号的相关计算所计算的距离测量数据来执行移动体预测计算; 以及焦点控制部，被配置为基于所述移动体预测计算的结果来执行焦点调整。