Image processing apparatus, imaging apparatus, pixel-abnormality detecting method, and computer-readable recording medium

An image processing apparatus comprising:

• a comparing circuit configured to compare, based on image data generated by an imaging element including a light receiver in which a plurality of photoelectric converting elements forms a set of a unit pixel and in which a plurality of unit pixels are arranged in a two-dimensional matrix, and a micro lens that is provided per unit pixel and is layered on a light receiving surface of the unit pixel, output values of the respective photoelectric converting elements per unit pixel to detect an abnormal output;
• and
• an estimating circuit configured to estimate an abnormality by using output values of the respective photoelectric converting elements in the unit pixel from which the comparing circuit detects the abnormal output, wherein
• when the comparing circuit detects that one of the output values is different from other output values out of the respective output values of the photoelectric converting elements in the unit pixel, the estimating circuit is configured to estimate a photoelectric converting element that has output the one of the output values as a first pixel abnormality.

A pixel-abnormality detecting method comprising:

• comparing, based on image data generated by an imaging element including a light receiver in which a plurality of photoelectric converting elements forms a set of a unit pixel and in which a plurality of unit pixels are arranged in a two-dimensional matrix, and a micro lens that is provided per unit pixel and is layered on a light receiving surface of the unit pixel, output values of the respective photoelectric converting elements per unit pixel to detect an abnormal output;
• and
• estimating an abnormality by using output values of the respective photoelectric converting elements in the unit pixel from which the abnormal output is detected at the comparing, wherein
• the comparing includes detecting the abnormal output by comparing ratios of output values that are output by the photoelectric converting elements at identical positions in adjacent unit pixels.

A non-transitory computer-readable recording medium with an executable program causing an image processing apparatus to execute:

• comparing, based on image data generated by an imaging element that includes a light receiver in which a plurality of photoelectric converting elements forms a set of a unit pixel and in which a plurality of the unit pixels are arranged in a two-dimensional matrix, and a micro lens that is provided per unit pixel and is layered on a light receiving surface of the unit pixel, output values of the respective photoelectric converting elements per unit pixel to detect an abnormal output;
• and
• estimating an abnormality by using output values of the respective photoelectric converting elements in the unit pixel from which the abnormal output is detected at the comparing, wherein
• the comparing includes detecting the abnormal output by comparing ratios of output values that are output by the photoelectric converting elements at identical positions in adjacent unit pixels.