Abstract: An image processing device includes a shooting scene determining section that determines a shooting scene, a correlation evaluation value calculating section that calculates correlation evaluation values between a target pixel and surrounding pixels, a weight setting section that sets, when the shooting scene is a low correlation scene, heavy weights to the correlation evaluation value calculated from the surrounding pixels having high correlativities, an isolated-point degree calculating section that subjects the correlation evaluation values to weight addition to calculate an isolated-point degree, and an FPN correcting section that corrects a pixel value of the target pixel according to a magnitude of the isolated-point degree correction.

Abstract: An imaging device includes an imaging element, a weight calculating section, and an interpolation processing section. The imaging element includes normal pixels and functional pixels, the functional pixels being arranged at nonuniform intervals in a first direction. The weight calculating section calculates a first weight and a second weight, the second weight being smaller than the first weight. The interpolation processing section performs pixel interpolation to interpolate the pixel value of each of the functional pixels based on the pixel values obtained by the peripheral normal pixels where the first weight and the second weight are applied to a pixel value obtained by each of the normal pixels arranged in the first direction and a direction different from the first direction, respectively.

Abstract: An image sensor comprising a plurality of imaging pixels and a plurality of focus detecting pixels in which opening positions of light receiving parts are shifted from those of the imaging pixels, wherein first focus detecting pixels in which the opening positions are shifted in a first direction are arranged in a first pixel pitch at positions corresponding to first color filters for the imaging pixels, and second focus detecting pixels in which openings are shifted in a second direction different from the first direction are arranged in a second pixel pitch at positions corresponding to second color filters for the imaging pixels different from the first color filters.

Abstract: An image sensor comprising a plurality of imaging pixels, a plurality of focus detecting pixels in which opening positions of light receiving sections are shifted from those of the imaging pixels, and a plurality of color filters arranged corresponding to the imaging pixels and the focus detecting pixels, wherein first focus detecting pixels in which opening positions are shifted in a first direction are arranged at positions corresponding to first color filters of the imaging pixels, and second focus detecting pixels in which opening positions are shifted in the first direction and which have opening ratios different from those of the first focus detecting pixels are arranged at positions corresponding to the first color filters.

Abstract: An imaging apparatus includes a high-frequency pattern detector calculating a difference or a ratio between a value obtained by integrating averages of pixel outputs of a first pixel group arranged in identical positions in a vertical direction with respect to a focus detection pixel or in identical positions in a vertical direction with respect to another focus detection pixel located around the focus detection pixel and a value obtained by integrating averages of pixel outputs of a second pixel group arranged in positions shifted from the first pixel group in the horizontal or vertical direction, and sets a high-frequency degree in accordance with a magnitude of the difference or the ratio. An application determination unit increases the mixing rate of the focus detection pixel when the high-frequency pattern degree is high.

Abstract: An imaging device includes an optical information acquiring section that acquires optical information of a photographing optical system to form an image in the imaging element, an optical function calculating section that calculates an optical function to determine the correction function based on the optical information, a pixel function calculating section that calculates a pixel function to determine the correction function based on the pixel outputs of pixels positioned around focus detecting pixels, and a correction function selecting section (2172d) that selects the correction function to correct the pixel output to be output from the focus detecting pixels corresponding to current frame, based on the optical function, the pixel function and the optical information.

Abstract: An image processing apparatus performs image processing on image data obtained by using an imaging element comprising a plurality of pixels which comprise a first pixel and a second pixel, wherein two different types of exposure times are applied between the first pixel and the second pixel. A blur amount estimation unit estimates an image blur amount. An exposure time difference calculation unit calculates an exposure time difference. A mixing ratio calculation unit determines a first ratio using a light amount detected by the first pixel to be a target and a second ratio using a light amount detected by the second pixel positioned around the first pixel based on the exposure time difference and the image blur amount. A correction unit corrects the image data based on the image blur amount, the exposure time difference, the first ratio, and the second ratio.

Abstract: An image processing apparatus is designed to process pixel outputs of an imaging element including imaging pixels and phase-difference detecting pixels. The apparatus includes a pixel mixing unit and an image processing unit. The pixel mixing unit mixes the pixel outputs. The image processing unit corrects the pixel outputs to prevent the phase-difference detecting pixels from degrading image quality, by using at least one of information selected from a group consisting of the number of mixed pixel outputs of phase-difference detecting pixels having the same opening direction and the number of mixed pixel outputs of imaging pixels having the same opening direction.

Abstract: An imaging apparatus includes an imaging element, a reading scheme setting unit, and an image processing unit. A phase-difference detecting pixel for detecting a focal point is arranged at part of the imaging pixels of the imaging element. The reading scheme setting unit sets a reading scheme for reading pixel data from the imaging pixels and phase-difference detecting pixel. The image processing unit corrects the pixel data of the phase-difference detecting pixel. The image processing unit performs the correction, to change a use ratio of the pixel data of the phase-difference detecting pixel to the data interpolated from the pixels adjacent to the phase-difference detecting pixel.

Abstract: An imaging device includes an imaging element, a weight calculating section, and an interpolation processing section. The imaging element includes normal pixels and functional pixels, the functional pixels being arranged at nonuniform intervals in a first direction. The weight calculating section calculates a first weight and a second weight, the second weight being smaller than the first weight. The interpolation processing section performs pixel interpolation to interpolate the pixel value of each of the functional pixels based on the pixel values obtained by the peripheral normal pixels where the first weight and the second weight are applied to a pixel value obtained by each of the normal pixels arranged in the first direction and a direction different from the first direction, respectively.

Abstract: An imaging apparatus includes a high-frequency pattern detector calculating a difference or a ratio between a value obtained by integrating averages of pixel outputs of a first pixel group arranged in identical positions in a vertical direction with respect to a focus detection pixel or in identical positions in a vertical direction with respect to another focus detection pixel located around the focus detection pixel and a value obtained by integrating averages of pixel outputs of a second pixel group arranged in positions shifted from the first pixel group in the horizontal or vertical direction, and sets a high-frequency degree in accordance with a magnitude of the difference or the ratio. An application determination unit increases the mixing rate of the focus detection pixel when the high-frequency pattern degree is high.

Abstract: An imaging apparatus includes an image-capturing element, an optical axis position estimation processor, and a pixel correction unit. The optical axis position estimation processor includes a relationship calculator and an optical axis position calculator. The relationship calculator calculates a relationship between a pixel output of a phase difference detection pixel and an image height. The optical axis position calculator calculates an optical axis position of an optical system. The pixel correction unit corrects pixel outputs of the respective phase difference detection pixels in accordance with the relationship.

Abstract: An image processing apparatus includes a gain correcting unit and a gain estimating unit. The gain correcting unit corrects a gain of a pixel output of a phase-difference detecting pixel. The gain estimating unit estimates the gain with which to correct the pixel output of the phase-difference detecting pixel. The gain estimating unit includes a provisional true-value calculating unit configured to calculate a pixel output of a provisional true-value calculating pixel, in accordance with a correlation of the pixel outputs between a base block including the phase-difference detecting pixel and a reference block set in a search area for which a block similar to the base block is searched.

Abstract: An image processing device includes a shooting scene determining section that determines a shooting scene, a correlation evaluation value calculating section that calculates correlation evaluation values between a target pixel and surrounding pixels, a weight setting section that sets, when the shooting scene is a low correlation scene, heavy weights to the correlation evaluation value calculated from the surrounding pixels having high correlativities, an isolated-point degree calculating section that subjects the correlation evaluation values to weight addition to calculate an isolated-point degree, and an FPN correcting section that corrects a pixel value of the target pixel according to a magnitude of the isolated-point degree correction.

Abstract: An imaging device includes an optical information acquiring section that acquires optical information of a photographing optical system to form an image in the imaging element, an optical function calculating section that calculates an optical function to determine the correction function based on the optical information, a pixel function calculating section that calculates a pixel function to determine the correction function based on the pixel outputs of pixels positioned around focus detecting pixels, and a correction function selecting section (2172d) that selects the correction function to correct the pixel output to be output from the focus detecting pixels corresponding to current frame, based on the optical function, the pixel function and the optical information.

Abstract: An imaging apparatus includes an imaging element, a reading scheme setting unit, and an image processing unit. A phase-difference detecting pixel for detecting a focal point is arranged at part of the imaging pixels of the imaging element. The reading scheme setting unit sets a reading scheme for reading pixel data from the imaging pixels and phase-difference detecting pixel. The image processing unit corrects the pixel data of the phase-difference detecting pixel. The image processing unit performs the correction, to change a use ratio of the pixel data of the phase-difference detecting pixel to the data interpolated from the pixels adjacent to the phase-difference detecting pixel.

Abstract: An imaging apparatus includes an image-capturing element, an optical axis position estimation processor, and a pixel correction unit. The optical axis position estimation processor includes a relationship calculator and an optical axis position calculator. The relationship calculator calculates a relationship between a pixel output of a phase difference detection pixel and an image height. The optical axis position calculator calculates an optical axis position of an optical system. The pixel correction unit corrects pixel outputs of the respective phase difference detection pixels in accordance with the relationship.

Abstract: An imaging apparatus includes an imaging element, a reading scheme setting unit, and an image processing unit. A phase-difference detecting pixel for detecting a focal point is arranged at part of the imaging pixels of the imaging element. The reading scheme setting unit sets a reading scheme for reading pixel data from the imaging pixels and phase-difference detecting pixel. The image processing unit corrects the pixel data of the phase-difference detecting pixel. The image processing unit performs the correction, to change a use ratio of the pixel data of the phase-difference detecting pixel to the data interpolated from the pixels adjacent to the phase-difference detecting pixel.

Abstract: An imaging device of the present invention comprises an image sensor provided with phase detection pixels for focus detection at some of its pixels, a contrast information detection section for detecting contrast information of a formed image from pixels, among pixel data output from the image sensor, positioned close to the phase detection pixels, a phase detection pixel correction determination section for determining whether or not to correct data of the phase detection pixel based on the detected contrast information, a weighting determination section for determining a weighting for neighboring pixels to the phase detection pixels based on the detected contrast information, a pixel correction section for carrying out weighted correction of the phase detection pixels based on the determined weighting, and a color conversion processing section for carrying out conversion processing for display of the image data or to create an image for storage, after the pixel correction.

Abstract: An image processing apparatus includes a first pixel output variation detecting section, a second pixel output variation detecting section, and a pixel correcting section. The first pixel output variation detecting section detects a variation between pixel outputs of the phase difference detecting pixel and the imaging pixel of the same color as the phase difference detecting pixel. The second pixel output variation detecting section detects a variation in pixel output between imaging pixels positioned in vicinities of the phase difference detecting pixel and the imaging pixel used by the first pixel output variation detecting section. The pixel correcting section corrects the pixel output of each phase difference detecting pixel based on results of the first and second pixel output variation detecting sections.