Image processing apparatus, image sensing apparatus, control method, and recording medium

A method of controlling an image sensing apparatus comprising:

• an image sensing step of outputting data in which respective pixels of image signals of each frame correspond to light beams having different pupil regions through which the light beams have passed in an imaging optical system;
• a display step of performing a display of image on a display, wherein the image is generated using pixels corresponding to light beams having passed through a partial region in the pupil region of the imaging optical system;
• a detection step of detecting a specific subject in the image;
• a decision step of deciding a focal position at which the specific subject detected in the detection step is focused on;
• a driving step of deciding a driving position of the focus lens based on the focal position decided in the decision step, and driving the focus lens to the driving position;
• and
• a recording step of recording, on a recording medium, moving data including a plurality of frames of the data output from the image sensing unit after driving the focus lens;
• wherein in the decision step, a pair of images, respectively corresponding to light beams having passed through different pupil regions of the imaging optical system, is generated from the image signals of a frame of the data and an image position shirt between the pair of images is calculated for the decision of the focal position.

A non-transitory computer-readable recording medium recording a program for causing a computer to execute the steps of:

• outputting data in which respective pixels of image signals of each frame correspond to light beams having different pupil regions through which the light beams have passed in an imaging optical system;
• performing a display of image on a display,;
• detecting a specific subject in the image;
• deciding a focal position at which the detected specific subject is focused on;
• deciding a driving position of the focus lens based on the decided focal position, and driving the focus lens to the driving position;
• and
• recording, on a recording medium, moving data including a plurality of frames of the data output after driving the focus lens,
• wherein in the decision step, a pair of images, respectively corresponding to light beams having passed through different pupil regions of the imaging optical system, is generated from the image signals of a frame of the data and an image position shift between the pair of images is calculated for the decision of the focal position.

An image sensing apparatus comprising:

• an image sensing unit configured to output data including pixels which mutually have an image position shift;
• at least one processor or circuit configured to perform operations of the following units:
• a display unit configured to perform a display of an image on a display;
• a detection unit configured to detect a specific subject in the image;
• a decision unit configured to decide a focal position at which the specific subject detected by the detection unit is focused on;
• a driving unit configured to decide a driving position of the focus lens based on the focal position decided by the decision unit, and drive the focus lens to the driving position;
• and
• a recording unit configured to record, on a recording medium, moving data including a plurality of frames of the data output from the image sensing unit after driving the focus lens by the driving unit,
• wherein the decision unit generates, from the image signals of a frame of the data, a pair of images which mutually have an image position shift and calculates, for the decision of the focal position, the image position shift.

A method of controlling an image sensing apparatus comprising:

• outputting, by an image sensing unit, data including pixels which mutually have an image position shift;
• performing a display of an image on a display;
• detecting a specific subject in the image;
• deciding a focal position at which the detected specific subject is focused on;
• deciding a driving position of the focus lens based on the decided focal position;
• driving the focus lens to the driving position;
• and
• recording, on a recording medium, moving data including a plurality of frames of the data output from the image sensing unit after driving the focus lens,
• wherein, from the image signals of a frame of the data, a pair of images which mutually have an image position shift is generated and the image position shift is calculated for the decision of the focal position.