Abstract: An information processing device according to an embodiment includes: a determination unit that determines two or more second combinations among first combinations, the first combinations including one or more wavelength feature amounts selected from a population of two or more wavelength feature amounts having mutually unique values, and the two or more second combinations including wavelength feature amounts whose total value of the values is unique to each other; a specifying unit that specifies a third combination of the wavelength feature amounts of light incident on each pixel from a luminance value of each pixel in a diffraction image acquired via a diffraction element including a grating pattern by receiving light radiated from a light source and including light corresponding to each of two or more of the wavelength feature amounts determined based on the two or more second combinations; and a generation unit that generates a point spread function of each wavelength based on the third combination of e

Abstract: A normal candidate information generation unit of an information processor generates normal candidate information for each pixel indicating, for example, a zenith angle, or an azimuth angle, or a zenith angle and an azimuth angle, on the basis of a polarization image in a plurality of polarization directions obtained by a polarization imaging unit. The in-plane pixel selection unit selects a plurality of pixels indicating the plane to be observed in the polarization image. A normal calculation unit calculates a normal of the plane to be observed on the basis of the normal candidate information of the pixels selected by the in-plane pixel selection unit.

Abstract: Provided is a polarization imaging unit that acquires a polarization image using a lens. In a parameter storage unit of an information processing unit, parameters related to a change in polarization state due to the lens which are estimated in advance from polarization state information acquired by imaging a light source in a predetermined polarization state using the lens and polarization state information indicating the polarization state of the light source, for example, change parameters indicating the change in polarization state due to the lens or correction parameters for correcting the change in polarization state due to the lens are stored. A polarization state correction unit of the information processing unit corrects the change in polarization state due to the lens, using the parameters stored in advance in the parameter storage unit.

Abstract: A modulator (300) according to the embodiment is a modulator provided between a diffraction grating (944) and an image sensor (946), receives a light ray directed to the image sensor (946) from the diffraction grating (944), and changes a travel direction of the light ray emitted toward the image sensor (946) so as to bend a recording direction of a diffraction image for each wavelength of the light ray on a light receiving surface of the image sensor (946).

Abstract: An imaging region of an image sensor is used more efficiently.

Abstract: A device and a method that achieve a watermark that can be easily recorded and does not significantly impair the appearance of a printed matter are provided. A watermark recording unit (214) that records watermark dots having a color having a small difference from an area color of an area in which a watermark is recorded, and a watermark recording mode determination unit (213) that determines a color of the watermark dots are included. The watermark recording mode determination unit (213) determines a color of the watermark dots in such a way that a wavelength difference ??, which is a difference between a color wavelength of the watermark dots and an area color wavelength of a recording area of the watermark dots, is less than a wavelength resolution of human eye.

Abstract: To implement a configuration for enabling independent adjustment of a spatial resolution and a wavelength resolution of a spectroscopic measurement device. A spatial resolution adjustment unit configured to adjust a spatial resolution of the spectroscopic measurement device, and a wavelength resolution adjustment unit configured to adjust a wavelength resolution of the spectroscopic measurement device are included, and the spatial resolution adjustment unit maintains output light from a condensing unit to a spectroscopic imaging unit of the spectroscopic measurement device as parallel light, adjusts a parameter of a constituent element of the condensing unit, and changes the spatial resolution without changing the wavelength resolution of the spectroscopic measurement device.

Abstract: Provided are an apparatus and method for measuring the shape and thickness of a transparent object. A light projecting section that outputs beams of light to a transparent object, a light receiving sensor that receives the beams of light that have passed through the transparent object, and a data processing section that analyzes a received light signal in each light receiving element of the light receiving sensor are included. The light projecting section outputs, in parallel, output beams of light from a plurality of light sources, and the data processing section analyzes the received light signal in each light receiving element of the light receiving sensor and identifies a light source of any beam of light input into one light receiving element by using light source combination information that is stored in a storage section and that corresponds to a value of the received light signal.

Abstract: A normal candidate information generation unit 31 of an information processor 30 generates normal candidate information for each pixel indicating, for example, a zenith angle, or an azimuth angle, or a zenith angle and an azimuth angle, on the basis of a polarization image in a plurality of polarization directions obtained by a polarization imaging unit 20. The in-plane pixel selection unit 32 selects a plurality of pixels indicating the plane to be observed in the polarization image. A normal calculation unit 33 calculates a normal of the plane to be observed on the basis of the normal candidate information of the pixels selected by the in-plane pixel selection unit 32.

Abstract: A polarization imaging unit 20 acquires a polarization image using a lens. In a parameter storage unit 32 of an information processing unit 30, parameters related to a change in polarization state due to the lens which are estimated in advance from polarization state information acquired by imaging a light source in a predetermined polarization state using the lens and polarization state information indicating the polarization state of the light source, for example, change parameters indicating the change in polarization state due to the lens or correction parameters for correcting the change in polarization state due to the lens are stored. A polarization state correction unit 33 of the information processing unit 30 corrects the change in polarization state due to the lens, using the parameters stored in advance in the parameter storage unit 32.

Abstract: To implement a configuration for enabling independent adjustment of a spatial resolution and a wavelength resolution of a spectroscopic measurement device. A spatial resolution adjustment unit configured to adjust a spatial resolution of the spectroscopic measurement device, and a wavelength resolution adjustment unit configured to adjust a wavelength resolution of the spectroscopic measurement device are included, and the spatial resolution adjustment unit maintains output light from a condensing unit to a spectroscopic imaging unit of the spectroscopic measurement device as parallel light, adjusts a parameter of a constituent element of the condensing unit, and changes the spatial resolution without changing the wavelength resolution of the spectroscopic measurement device.

Abstract: A correction information generation section 50 emits measurement light having uniform intensity onto a polarized image acquisition section 20 acquiring a polarized image. Further, on the basis of a measured polarized image acquired from the polarized image acquisition section 20, the correction information generation section 50 generates variation correction information for correcting sensitivity variations caused in the measured polarized image due to difference in polarization direction, and causes a correction information storage section 30 to store the generated variation correction information. A correction processing section 40 then corrects the sensitivity variations caused in the polarized image acquired by the polarized image acquisition section 20 due to the difference in polarization direction by using the pre-generated variation correction information stored in the correction information storage section 30.

Abstract: Provided are an apparatus and method for measuring the shape and thickness of a transparent object. A light projecting section configured to output beams of light to a transparent object, a light receiving sensor configured to receive the beams of light that have passed through the transparent object, and a data processing section configured to analyze a received light signal in each light receiving element of the light receiving sensor are included. The light projecting section outputs, in parallel, output beams of light from a plurality of light sources, and the data processing section analyzes the received light signal in each light receiving element of the light receiving sensor and identifies a light source of any beam of light input into one light receiving element by using light source combination information that is stored in a storage section and that corresponds to a value of the received light signal.

Abstract: A correction information generation section 50 emits measurement light having uniform intensity onto a polarized image acquisition section 20 acquiring a polarized image. Further, on the basis of a measured polarized image acquired from the polarized image acquisition section 20, the correction information generation section 50 generates variation correction information for correcting sensitivity variations caused in the measured polarized image due to difference in polarization direction, and causes a correction information storage section 30 to store the generated variation correction information. A correction processing section 40 then corrects the sensitivity variations caused in the polarized image acquired by the polarized image acquisition section 20 due to the difference in polarization direction by using the pre-generated variation correction information stored in the correction information storage section 30.

Abstract: An image processing device and a method that enable removal of reflection component light from images captured from various directions are provided.

Abstract: A correction information generation section 50 emits measurement light having uniform intensity onto a polarized image acquisition section 20 acquiring a polarized image. Further, on the basis of a measured polarized image acquired from the polarized image acquisition section 20, the correction information generation section 50 generates variation correction information for correcting sensitivity variations caused in the measured polarized image due to difference in polarization direction, and causes a correction information storage section 30 to store the generated variation correction information. A correction processing section 40 then corrects the sensitivity variations caused in the polarized image acquired by the polarized image acquisition section 20 due to the difference in polarization direction by using the pre-generated variation correction information stored in the correction information storage section 30.

Abstract: An image processing device and a method that enable removal of reflection component light from images captured from various directions are provided.

Abstract: A correction information generation section 50 emits measurement light having uniform intensity onto a polarized image acquisition section 20 acquiring a polarized image. Further, on the basis of a measured polarized image acquired from the polarized image acquisition section 20, the correction information generation section 50 generates variation correction information for correcting sensitivity variations caused in the measured polarized image due to difference in polarization direction, and causes a correction information storage section 30 to store the generated variation correction information. A correction processing section 40 then corrects the sensitivity variations caused in the polarized image acquired by the polarized image acquisition section 20 due to the difference in polarization direction by using the pre-generated variation correction information stored in the correction information storage section 30.

Abstract: The invention provides an image shooting apparatus and an image shooting method that obtain a recovered image with high precision by using an optimal point spread function (PSF) without deriving an image shooting distance of a photographed object, an image shooting program, and a recording medium that records the image shooting program.

Abstract: The present invention provides a fixed focus-type photographing apparatus, which can inexpensively and simply increase a depth of field by disposing a removable light diffusion plate in an existing lens optical system, and an optical system of the photographing apparatus. A photographing apparatus includes: an optical system, including two or more than two lenses, a diaphragm disposed between any two adjacent lenses of the lenses, and a light diffusion plate disposed at a position that is in front of a forefront first lens; and a photographing element, disposed at a position that is behind a rearmost final lens, where: the light diffusion plate includes a light diffusion surface, and a distance a from a front surface of the first lens to the diaphragm is less than a distance b from the diaphragm to the photographing element.