Patent ID: 8570427
Filing Date: 2013-10-29
Classification: H04N

Abstract:
1. An image-capturing device, comprising: a micro-lens array in which a plurality of micro lenses are arrayed; a plurality of groups of light reception elements respectively corresponding to each of the micro lenses, and that receives a ray bundle that has passed through an optical system via the plurality of micro lenses and outputs a plurality of received light signals corresponding to each of the micro lenses; a detection region setting unit that sets a focus detection region for detecting a deviation amount of an image surface within an image of a photographic subject; a detection unit that detects the deviation amount of the image surface of the optical system for the focus detection region on the basis of the plurality of received light signals; an image creation unit that selects a portion of the plurality of received light signals corresponding to each of the micro lenses on the basis of the deviation amount of an image surface detected by the detection unit for the focus detection region set by the detection region setting unit, and creates an image on the basis of that selected portion of the received light signals; a focus adjustment unit that performs focus adjustment of the optical system on the basis of the deviation amount at the image surface detected by the detection unit; and a decision making unit that makes a decision as to whether or not the deviation amount of the image surface is less than a predetermined value, wherein: the image creation unit creates the image on the basis of the received light signals outputted by the light reception element array that has received a ray bundle from the optical system for which focus adjustment has been performed by the focus adjustment unit, when the decision making unit makes a decision, that the deviation amount of the image surface is less than a predetermined value, the image creation unit selects a portion of the received light signals from among the received light signals according to each of the micro lenses on the basis of the deviation amount of the image surface detected by the detection unit for the focus detection region set by the detection region setting unit, and when the decision making unit makes a decision that the deviation amount of the image surface exceeds the predetermined value, the focus adjustment unit performs focus adjustment of the optical system.