Abstract: According to one embodiment, a processing apparatus includes a memory and a processor. The processor is electrically coupled to the memory and is configured to acquire a first image of an object and a second image of the object, the first image including blur having a shape indicated by a symmetric first blur function, the second image including blur having a shape indicated by an asymmetric second blur function, calculate a distance to the object, based on correlation between the first blur function and the second blur function, and calculate reliability of the distance, based on a degree of the correlation.

Abstract: According to one embodiment, an imaging device includes a first optical system configured to perform first image blurring and second image blurring to light from an object, an image capturing device configured to receive the light from the object through the first optical system and output a first image signal including first blur and a second image signal including second blur, and a data processor configured to generate distance information based on the first image signal and the second image signal.

Abstract: According to one embodiment, a processing device includes a memory and a circuit coupled with the memory. The circuit acquires a first image of a first color component and a second image of a second color component. The first image has a non-point-symmetric blur function and captures a first object. The second image has a point-symmetric blur function and captures the first object. The circuit determines whether the first object is on a near side of a first position or on a deep side of the first position when viewed from a capture position based on the first image and the second image.

Abstract: According to one embodiment an imaging apparatus includes a filter configured to transmit light and an image sensor configured to generate an image according to the light. The filter includes first to fourth filter regions. The first filter region transmits light of a first wavelength region, and does not transmit light of a second wavelength region. The second filter region does not transmit the light of the first wavelength region and transmits the light of the second wavelength region. The third, filter region does not transmit the light of the first, wavelength region and does not transmit the light of the second wavelength region. The fourth filter region transmits the light of the first wavelength region and transmits the light of the second wavelength region.

Abstract: According to one embodiment, an image processing device includes an imaging element, a lens and an image processor. Light passes through the lens toward the imaging element. A relative position of the imaging element and the lens is changeable. The image processor acquires a first image and a second image. The image processor derives a first stored image by adding at least a portion of the second image to the first image. The first image is captured by the imaging element when the relative position is in a first range. The second image is captured by the imaging element when the relative position is in a second range different from the first range.

Abstract: A photographing device includes a first image sensor, a first filter area, a second image sensor, a first distance calculating unit, and a second distance calculating unit. The first image sensor includes a first sensor receiving light of a first wavelength band and outputting a target image, and a second sensor receiving light of a second wavelength band and outputting a reference image. The first filter area transmits a first light of a third wavelength band, which includes at least part of the first wavelength band, the first light being a part of light incident on the first image sensor. The second image sensor outputs a first image. The first distance calculating unit calculates a first distance to an object captured in the target image and the reference image. The second distance calculating unit calculates a second distance to an object captured in the reference image and the first image.

Abstract: An image capturing apparatus includes a sensor controller and a distance calculator. The sensor controller acquires a target image and a first reference image. The point spread function (PSF) of the target image is point-asymmetric, and the PSF of the first reference image being point-symmetric. The image sensor receives light having passed through a filter region that changes PSFs for sensor images of at least one kind into point-asymmetric forms, and then generates the target image for which a PSF has been changed into a point-asymmetric form by the filter region, and the first reference image that is not the target image. The distance calculator calculates the distance to an object captured in the target image and the first reference image, in accordance with the correlations each between an image obtained by convoluting a blur kernel to the target images and the first reference image.

Abstract: According to an embodiment, a lens device includes a filter, an entire area of which transmits light of a common color. The filter includes a first filter region and a second filter region. The first filter region transmits light that is a first combination of colors out of colors of light to be received by an image sensor. The second filter region transmits light that is a second combination of colors of the colors of the light to be received by the image sensor. The first and second combinations of colors each include the common color.

Abstract: According to one embodiment, an image processing device includes an imaging element, a lens and an image processor. Light passes through the lens toward the imaging element. A relative position of the imaging element and the lens is changeable. The image processor acquires a first image and a second image. The image processor derives a first stored image by adding at least a portion of the second image to the first image. The first image is captured by the imaging element when the relative position is in a first range. The second image is captured by the imaging element when the relative position is in a second range different from the first range.

Abstract: According to one embodiment, an image processing apparatus includes an acquisition unit, a clustering unit, a detection unit, and a correction unit. The acquisition unit is configured to acquire a moving image including a plurality of frames. The clustering unit is configured to cluster frames having a similar scene to the same group in the moving image. The detection unit is configured to detect at least one object region from each frame clustered to the same group, and to calculate a color distribution of the object region of the each frame. The correction unit is configured to select a typical color distribution of the object region from the color distribution of the each frame, and to correct a color of the each frame clustered to the same group, based on the typical color distribution.

Abstract: According to one embodiment, an image processing apparatus includes following units. The extraction unit extracts, from image data including a plurality of pixels, wavelength signal values of the plurality of pixels. The light attenuation amount calculation unit calculates a light attenuation amount based on a ratio of a wavelength signal value of a target pixel to a representative signal value obtained from wavelength signal values of a local region around the target pixel. The pigment amount calculation unit calculates a pigment amount of a predetermined pigment component at the target pixel by resolving the light attenuation amount using an absorbance base of the predetermined pigment component.

Abstract: An image processing apparatus includes an acquisition module, a computation module and an image generator. The acquisition module acquires a first image including a substance-unapplied region of a subject and a second image including a substance-applied region of a subject. The first and second images are taken by an imager or imagers having the same sensor characteristics. The computation module computes reflection characteristic of the subject based on the first image and computes application amount of the substance applied to the subject based on the second image and the computed reflection characteristic. The image generator generates an image to be displayed based on the second image and the computed application amount.

Abstract: According to one embodiment, an image processing apparatus includes following units. The extraction unit extracts, from image data including a plurality of pixels, wavelength signal values of the plurality of pixels. The light attenuation amount calculation unit calculates a light attenuation amount based on a ratio of a wavelength signal value of a target pixel to a representative signal value obtained from wavelength signal values of a local region around the target pixel. The pigment amount calculation unit calculates a pigment amount of a predetermined pigment component at the target pixel by resolving the light attenuation amount using an absorbance base of the predetermined pigment component.

Abstract: According to an embodiment, a control device includes a first calculator and a second calculator. The first calculator is configured to calculate a wavelength of light to be emitted from a light source whose emission intensity is controllable and which has at least one light emitting element at predetermined time intervals in a manner that adjusts the wavelength by a predetermined amount of change within a range of a first wavelength of light to be emitted at a start of adjustment to a second wavelength of light to be emitted at an end of the adjustment, the calculated wavelength being set as a third wavelength. The second calculator is configured to calculate an emission intensity of the light emitting element at the third wavelength.

Abstract: According to one embodiment, an image processing apparatus includes an acquisition unit, a clustering unit, a detection unit, and a correction unit. The acquisition unit is configured to acquire a moving image including a plurality of frames. The clustering unit is configured to cluster frames having a similar scene to the same group in the moving image. The detection unit is configured to detect at least one object region from each frame clustered to the same group, and to calculate a color distribution of the object region of the each frame. The correction unit is configured to select a typical color distribution of the object region from the color distribution of the each frame, and to correct a color of the each frame clustered to the same group, based on the typical color distribution.

Abstract: According to an embodiment, an image processing apparatus includes a feature data calculator, a generating unit, and an adding unit. The feature data calculator calculates feature data representing changes in pixel values within a first range of an input image. The generating unit obtains a weight of a predetermined image pattern on the basis of a probability distribution and the feature data. The weight represents a pattern of changes in the pixel values. The probability distribution represents a distribution of relative values of feature data of a learning image containing a high-frequency component with respect to feature data of a learning image. The generating unit weights the predetermined image pattern with the weight so as to generate a high-frequency component with respect to the input image. The adding unit adds the high-frequency component to the input image.