Abstract: A zoom lens consists of, in order from an object side, a negative first lens group, a positive second lens group, a positive third lens group, a negative fourth lens group, and a positive fifth lens group. The first lens group consists of, in order from the object side, a first A lens group that does not move during focusing, a first B lens group that moves during focusing, and a first C lens group that does not move during focusing. During zooming, the first lens group and the fifth lens group do not move, and the second lens group, the third lens group, and the fourth lens group move. The fourth lens group includes a stop. The zoom lens satisfies a predetermined conditional expression.

Abstract: Provided are a liquid crystal member and a millimeter-wave modulation element with the liquid crystal member including a liquid crystal layer having a non-flat surface. The liquid crystal member includes a liquid crystal layer in which a liquid crystal composition which contains a liquid crystal compound having a polymerizable group and a polymerization initiator is immobilized in an aligned state, with at least one main surface of two main surfaces of the liquid crystal layer at both ends in a thickness direction is a non-flat surface having various shapes in a region on the non-flat surface side of one of the two main surfaces, a slow axis of the liquid crystal compound has an equal angle with respect to an adjacent non-flat surface, and in a region on the other main surface side, slow axes of the liquid crystal compound are parallel to each other.

Abstract: Provided are an optical filter, an optical device, and a head-mounted display which have a high light transmittance in a front direction and a wide real field of view. The optical filter includes a first anisotropic absorption layer, a first retardation layer, and a second anisotropic absorption layer in this order, each of the first anisotropic absorption layer and the second anisotropic absorption layer contains a dichroic colorant, an absorption axis of the dichroic colorant is perpendicular to a main surface, and the first retardation layer has polar angle dependence of retardation that has asymmetry about a normal direction with respect to incident light hitting at least one incident surface including a normal of a layer surface of the first retardation layer.

Abstract: A structure repair method selection system includes a repair evaluation unit that obtains an evaluation score for a structure after repair, a database that has data of a captured image of the structure and the evaluation score, an image acquisition unit that acquires a captured image of a target structure to be repaired, a damage detection unit that detects damage from the captured image, a similar damage extraction unit that extracts similar damage similar to the damage by using the database, and a repair method presentation unit that presents, based on the evaluation score, repair methods used for the similar damage. Also provided are a repair method selection method that uses the structure repair method selection system, and a repair method selection server.

Abstract: Provided are a composition containing a component A and a component B, a cured substance or a molded body thereof, an optical member and a lens. Component A: A compound having a nitrogen-containing fused aromatic ring as a partial structure Component B: A compound represented by any of General Formulae (B1) to (B5) In General Formulae (B1) to (B5), Ar101 to Ar104 represent an aryl group or a heteroaryl group, X1 represents a monovalent substituent, Y1 represents a hydrogen atom or a monovalent substituent, and adjacent two of Ar101 to Ar104, X1, and Y1 may be bonded to each other to form a ring, where none of the monovalent substituents employed as X1 or Y1 is an aryl group or a heteroaryl group.

Abstract: Provided are a control method for an ultrasound diagnostic apparatus and an ultrasound diagnostic apparatus that enable a user to easily and accurately perform a diagnosis. An ultrasound diagnostic apparatus includes: a detection target detection unit configured to detect at least one detection target captured in an ultrasound image; and a region-of-interest setting unit configured to set, in a case where a plurality of the detection targets are detected by the detection target detection unit, only for a part of the detection target among the plurality of detection targets, a region of interest including the part of the detection target.

Abstract: Provided are a particle measurement device and a particle measurement method capable of measuring a refractive index or a complex refractive index and a particle size distribution of a single type of particles included in a dispersion liquid.

Abstract: Provided is a kneaded material including an ultraviolet absorbing agent that contains at least one compound selected from a compound represented by Formula (1) or a compound represented by Formula (2), and a polymer compound.

Abstract: In an ultrasound diagnostic apparatus and a control method of the ultrasound diagnostic apparatus of the present invention, a tissue layer detection unit analyzes each of a plurality of two-dimensional ultrasound images to detect a tissue layer in a range from a body surface of an examination location to a predetermined depth. A normal vector calculation unit calculates a normal vector perpendicular to a tissue plane in a three-dimensional space on the basis of the tissue layer. A three-dimensional image generation unit generates a three-dimensional ultrasound image corrected such that the tissue plane is horizontal on the basis of the plurality of two-dimensional ultrasound images and the normal vector. A display control unit displays the three-dimensional ultrasound image on a monitor. As a result, even in a case where the ultrasound probe is in contact with the body surface in an inclined manner, the three-dimensional ultrasound image in which the inclination of the ultrasound probe is corrected.

Abstract: A laminate in which the occurrence of cracks is suppressed, and a laminate with a pressure-sensitive adhesive layer, a polarizing plate, and an image display device which use the laminate. The laminate includes a first optically anisotropic layer; and a second optically anisotropic layer, the first optically anisotropic layer and the second optically anisotropic layer being laminated directly or through an alignment film, in which the first optically anisotropic layer satisfies Expression (A) nx>ny, the second optically anisotropic layer satisfies Expression (B) nx<nz, the laminate satisfies Expressions (1) 100 nm?Re(550)?180 nm, Expression (2) Re(450)/Re(550)<1.0, Expression (3) Re(650)/Re(550)>1.0, Expression (4) ?40 nm?Rth(550)?70 nm, and Expression (5) Rth(550)<Re(550)/2, and an endothermic peak temperature of the laminate observed by differential scanning calorimetry is 125° C. or lower.

Abstract: The imaging method is used in an imaging apparatus including an imaging element that captures a subject image and a moving mechanism configured to change a relative position between the subject image and the imaging element, the imaging method including: a changing step of changing the relative position a plurality of times; an imaging step of acquiring a plurality of first images by capturing the subject image using the imaging element at a plurality of the relative positions; a combining step of generating a second image by combining the plurality of first images; and a display step of performing a temporal display relating to the imaging step or the combining step.

Abstract: A processor is configured to, based on a change of a relative position between a transmissive display device and a user's eye, derive a second position according to a first position of a display image displayed in a display region of the display device and the change of the relative position, change the first position to the second position in a case in which the second position does not exceed a correction region where a correction of a display position is possible, and change the first position to a third position and display the display image within the correction region in a case in which the second position exceeds the correction region.

Abstract: A processor is configured to display a first display image that displays information related to an object existing in a real space and a second display image on a transmissive display device, change a display position of the second display image based on a change of a relative position between the display device and the object, and perform a control to make a change amount of a display position of the first display image smaller than a change amount of the display position of the second display image.

Abstract: The medical image processing device acquires the plurality of types of medical images obtained by imaging a subject under imaging conditions different from each other. In a case where a first medical image that is one type of the plurality of types of medical images is input, diagnosis information regarding a diagnosis of the subject shown in the first medical image is generated. Diagnostic reference information is generated using assigned reference information that is the reference information assigned to a second medical image which is included in the medical image and which has a type different from the first medical image.

Abstract: Provided is an optical element in which the occurrence of sidelobe is suppressed and a reflectivity is high.

Abstract: Provided is an endoscope with a narrower diameter at a distal end portion of an insertion part to be inserted into a body of a subject.

Abstract: Provided are an optical element that causes a guided-mode resonance phenomenon to occur using a liquid crystal diffraction element to reflect light in a specific wavelength range such that the reflection wavelength range can be widened and the controllability of the width of the reflection wavelength range is also excellent, and an optical sensor including the above-described optical element. The optical element includes a liquid crystal layer that is formed of a composition including a liquid crystal compound, in which the liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, the liquid crystal compound is twisted and aligned in a thickness direction, and the liquid crystal layer further has a resonance structure.

Abstract: Provided are a control method for an ultrasound diagnostic apparatus and an ultrasound diagnostic apparatus that enable a user to easily and accurately perform a diagnosis. An ultrasound diagnostic apparatus includes: a monitor; a detection target detection unit configured to detect a detection target captured in an ultrasound image; a region-of-interest setting unit configured to set, on the ultrasound image, a region of interest including the detection target detected by the detection target detection unit; and a region-of-interest suggestion line display unit configured to display, on the monitor, a region-of-interest suggestion line consisting of only a part of a contour line of the region of interest set by the region-of-interest setting unit.

Abstract: Provided is an obturator that includes a shaft that is inserted into a cannula and of which a distal end is sharp-pointed in a needle-like shape to be stuck into a body wall, a grip to which a proximal end of the shaft is attached and that is gripped by an operator, and at least two recessed portions that are formed at the grip and on which fingers of the operator are hooked.

Abstract: Provided are a control method for an ultrasound diagnostic apparatus and an ultrasound diagnostic apparatus that enable a user to easily and accurately perform a diagnosis. An ultrasound diagnostic apparatus includes: a detection target detection unit configured to detect a detection target captured in an ultrasound image; a detection target analysis unit configured to analyze the detection target detected by the detection target detection unit; and a region-of-interest setting unit configured to set, on the ultrasound image, a region of interest that includes the detection target and that is to be disposed at a position corresponding to an analysis result of the detection target by the detection target analysis unit.