Abstract: The present invention provides an image processing device, an imaging apparatus, and an image processing method capable of acquiring images that are registered with high accuracy and include only a component of a desired wavelength range. In an image processing device according to an aspect of the invention, at least one image is captured with light having a plurality of wavelength ranges not overlapping one another (that is, including an intentional interference component in addition to a principal wavelength range), and at least one wavelength range of the plurality of wavelength ranges is common among the images. Accordingly, it is possible to detect correspondence points among a plurality of images based on information of such a common wavelength range, and to register the plurality of images with high accuracy.

Abstract: According to the present invention, it is an object to provide an imaging apparatus and an imaging method in which there is no need for registration between images corresponding to a plurality of specific wavelengths, which is capable of acquiring images corresponding to a plurality of specific wavelengths based on light information at the same position of a subject so as to reduce the calculation load for acquiring the images corresponding to the plurality of specific wavelengths. The imaging apparatus (10) includes: an optical member (101) that refracts first light and second light having mutually different wavelengths of light with refractive indexes corresponding to the respective wavelengths so as to shift a position of a first image of the first light and a position of a second image of the second light; a light transmissive filter (103); and a directional sensor (17).

Abstract: An object of the present invention is to provide a lens device that is configured such that a first optical-system and a second optical-system are combined to be concentric and that is capable of individually adjusting the light-amount of each optical-system and individually performing focus adjustment on each optical-system. The lens device, which is configured such that the optical-systems are combined to be concentric, comprises a first stop that adjusts a light-amount of the first optical-system and a second stop that adjusts a light-amount of the second optical-system. Thereby, it is possible to adjust individually the light-amounts of the optical-systems. Further, the first optical-system is provided to be movable along the optical axis L together with the first stop, and the second optical-system is provided to be movable along the optical axis L together with the second stop. Thereby, it is possible to individually perform focus adjustment on the optical-systems.

Abstract: Provided is a high decorative illumination device that utilizes a lenticular lens sheet. An illumination device includes a lenticular lens sheet and an LED light source. The lenticular lens sheet is curved in an X direction, and a convex surface is formed in a concave shape. The LED light source is positioned inside the convex surface of the lenticular lens sheet. First and second reflection components from first and second bright points which are acquired by reflecting irradiation light rays from the LED light source from plano-convex cylindrical lenses are incident on left and right eyes of an observer who observes the illumination device. The observer observes a virtual image as if a light emitter is present in a position in which the first and second reflection components cross each other.

Abstract: An imaging apparatus comprises: an imaging optical-system that includes a first optical-system and a second optical-system having imaging characteristics different from each other and being arranged concentrically; and an image sensor that has a plurality of pixels composed of photoelectric conversion elements two-dimensionally arranged, respectively pupil-divides light incident through the optical-systems, and selectively receives the light by the pixels. With the imaging apparatus, the light amount of the light incident on the image sensor through each of the optical-systems is adjusted, and interference is prevented.

Abstract: The invention provides a lens hood and an imaging device in which a lens hood can be reduced in length while light unnecessary to pick up an image is blocked and the blocking of an effective light beam necessary to pick up an image can be minimized. A lens hood, which blocks unnecessary light to be incident on a telephoto lens, according to an aspect of the invention includes a first light blocking wall that forms a cylindrical outermost periphery, and a concentric second light blocking wall that partitions an internal space of the first light blocking wall into a plurality of spaces. Each of the first and second light blocking walls is provided in parallel to the traveling direction of an effective light beam used to form a subject image within an angle of view of the telephoto lens, and blocks unnecessary light other than the effective light beam.

Abstract: In a preferred aspect of the invention, an imaging optical system having a wide-angle optical system and a telephoto optical system which are provided in different regions is provided. A directional sensor that has a plurality of pixels including photoelectric conversion elements which are two-dimensionally arranged pupil-divides light beams which are incident through the wide-angle optical system and the telephoto optical system, and selectively receives the light beams. An image acquisition unit acquires a wide-angle image received from the directional sensor through the wide-angle optical system and a telephoto image received from the directional sensor through the telephoto optical system. The directions of the imaging optical axes of the wide-angle optical system and the telephoto optical system of the imaging optical system are different from each other.

Abstract: An imaging device according to an aspect of the invention includes an imaging optical system (12) having a wide-angle optical system and a telephoto optical system which are provided in different regions, a directional sensor (17) that has a plurality of pixels including photoelectric conversion elements which are two-dimensionally arranged, pupil-divides light beams which are incident through the wide-angle optical system and the telephoto optical system, and selectively receives the beams, a pan/tilt mechanism (32) that moves a direction of an imaging optical axis of the telephoto optical system with respect to a direction of an imaging optical axis of the wide-angle optical system, and an image acquisition unit (22) that acquires a wide-angle image received from the directional sensor (17) through the wide-angle optical system and a telephoto image received from the directional sensor (17) through the telephoto optical system.

Abstract: Provided are an imaging device, an imaging method, a program, and a non-transitory recording medium which simultaneously image a plurality of images having different imaging characteristics, and detect blurring of the plurality of images. Image signals having imaging characteristics different from each other are simultaneously obtained by an imaging unit including an imaging optical system constituted by a first optical system and a second optical system which are provided in different regions and have imaging characteristics different from each other and a directional sensor, true movement vectors are extracted from movement vectors detected from the image signals and degrees of certainty thereof, and blurring of an image resulting from a shake of the imaging unit is detected from the true movement vectors.

Abstract: Provided are an imaging device, method, and a non-transitory recording medium, which simultaneously image a plurality of images and obtain images having enlarged dynamic ranges by using an imaging system, comprising a directional sensor in which light receiving sensors have directivity with respect to incidence angles of light rays. Image signals of first and second light receiving sensors are obtained in a state in which second incidence rays of an imaging lens are shielded from a directional sensor in which a ratio of sensitivity between the first and the second light receiving sensors with respect to first incidence rays incident through a first optical system of the imaging lens is M:1, and a third image having a dynamic range which is equal to or less than M times a dynamic range of a first image using the image signals of the first light receiving sensors is generated.

Abstract: A first wide angle image, a second wide angle image, a first telephoto image, and a second telephoto image are acquired from a first imaging unit 11L and a second imaging unit 11R at the same time, and particularly, optical axes of the wide angle optical system and the telephoto optical system constituting the first imaging optical system 12L match each other, and the second imaging optical system is similarly configured, and therefore, it is possible to position the main subject at a center position of the first telephoto image and the second telephoto image by independently performing pan and tilt control on the first and the second imaging unit so that the main subject is captured on the respective optical axes of the first imaging optical system and the second imaging optical system on the basis of the first wide angle image and the second wide angle image.

Abstract: This parallax image display device is provided with an image acquiring unit that acquires a right-eye image and a left-eye image used for generating a parallax image enabling a stereoscopic view, an information volume distribution calculator that calculates an information volume distribution of the right-eye image and an information volume distribution of the left-eye image, and a parallax image generator that generates the parallax image from the right-eye image and the left-eye image on the basis of the information volume distribution of the right-eye image and the information volume distribution of the left-eye image.

Abstract: The present invention provides an imaging device capable of greatly reducing the assignment number of light reception cells assigned to each microlens of an array lens and increasing the number of pixels of images having different characteristics that are captured simultaneously. One aspect of the present invention is an imaging device that includes an imaging optical system including a center optical system (wide-angle lens) and an annular optical system (telescopic lens) that share an optical axis, an image sensor, and an array lens arranged on the incidence side of the image sensor and including microlenses (pupil imaging lenses). The array lens causes annular pupil images corresponding to the annular optical system adjacent to each other among a center pupil image and annular pupil images formed on the image sensor by the respective microlenses to partially overlap each other on the image sensor.

Abstract: The imaging device includes a multiple-property lens that includes a first area having a first property and a second area having a second property different from the first property, an image sensor in which a first light receiving element 25A having a first microlens and a second light receiving element 25B having a second microlens having a different focusing degree from the first microlens are two-dimensionally arranged, and a crosstalk removal processing unit that removes a crosstalk component from each of a first crosstalk image acquired from the first light receiving element 25A of the image sensor and a second crosstalk image acquired from the second light receiving element to generate a first image and a second image respectively having the first property and the second property of the multiple-property lens.

Abstract: The imaging device includes a multiple-property lens that includes a first area having a first property and a second area having a second property different from the first property, an image sensor in which a first light receiving element 25A and a second light receiving element 25B having a different opening size of a light receiving section from the first light receiving element 25A are two-dimensionally arranged, and a crosstalk removal processing unit that removes a crosstalk component from each of a first crosstalk image acquired from the first light receiving element 25A of the image sensor and a second crosstalk image acquired from the second light receiving element to generate a first image and a second image respectively having the first property and the second property of the multiple-property lens.

Abstract: In an imaging device that includes an imaging lens including n number of optical systems of which imaging characteristics are different and an image sensor including m number of light receiving sensors of which combinations of crosstalk ratio and light sensitivity are different in each pixel, m number of primary image data items are generated by obtaining image signals output from the light receiving sensors of each pixel of the image sensor, and n number of secondary image data items corresponding to the optical systems are generated by performing crosstalk removal processing on the m number of generated primary image data items for each pixel. In a case where a pixel as a processing target includes the primary image data of which a pixel value is saturated, the secondary image data items are generated by removing the corresponding primary image data and performing the crosstalk removal processing.

Abstract: An imaging device includes an imaging optical system that includes a first optical system and a second optical system having independent characteristics; an imaging element that includes plural light-receiving sensors that pupil-split light passed through a corresponding optical system among the first optical system and the second optical system to receive the light; an image generation unit that generates a first captured image from an imaging signal output from the light-receiving sensors corresponding to the first optical system and generates a second captured image from an imaging signal output from the light-receiving sensors corresponding to the second optical system; a focus adjustment unit that adjusts a focus state of each of the first optical system and the second optical system in an independent manner; and a focus controller that controls the focus adjustment unit based on importance degree information.

Abstract: Provided are an imaging device and an image data generation method which are capable of reducing noise generated in an image in which crosstalk is removed. In an imaging device (1) that captures images corresponding to optical systems at one time by using an imaging lens (10) including a plurality of optical system of which imaging characteristics are different and an image sensor (100) including a plurality of light receiving sensors of which crosstalk ratios are different in each pixel, the number (m) of light receiving sensors included in each pixel of the image sensor (100) is larger than the number (n) of optical systems included in the imaging lens (10) (m>n). Accordingly, it is possible to reduce noise generated in an image in which crosstalk is removed.

Abstract: Provided is a high decorative illumination device that utilizes a lenticular lens sheet. An illumination device includes a lenticular lens sheet and an LED light source. The lenticular lens sheet is curved in an X direction, and a convex surface is formed in a concave shape. The LED light source is positioned inside the convex surface of the lenticular lens sheet. First and second reflection components from first and second bright points which are acquired by reflecting irradiation light rays from the LED light source from plano-convex cylindrical lenses are incident on left and right eyes of an observer who observes the illumination device. The observer observes a virtual image as if a light emitter is present in a position in which the first and second reflection components cross each other.