Image capture apparatus and method of controlling the same

摘要

An image capture apparatus comprises an image capturing unit that captures an object image and outputs image data; a photometric value acquisition unit that acquires, from the image data, a first photometric value and a second photometric value different from the first photometric value; and an exposure change unit that changes exposure such that the first photometric value comes close to a target value, wherein the exposure change unit calculates a third photometric value based on the first photometric value, the target value, and the second photometric value and corrects the exposure in accordance with a difference between the third photometric value and a reference value.

主权项

1. An image capture apparatus comprising:
an image sensor that captures an object image and outputs image data; a photometric value acquisition processor that acquires, from the image data, a first photometric value which is an average photometric value and a second photometric value which is a maximum photometric value different from the first photometric value; and an exposure change processor that changes exposure such that the first photometric value comes close to an average photometric target value which is a predetermined value, wherein said exposure change processor calculates a third photometric value that is a maximum photometric value for target exposure, which is different from the first photometric value and the second photometric value, based on the first photometric value, the average photometric target value, and the second photometric value, and corrects the exposure in accordance with a difference between the third photometric value and a maximum photometric reference value.