Abstract: A production method for a fiber article includes: a contact step of, while transferring a plurality of first fibers, bringing a plurality of resin particles formed of high molecules that can be fiberized into contact with the plurality of first fibers; a first processing step of applying an external force to the plurality of first fibers brought into contact with the plurality of resin particles and narrowing gaps between fibers; and a second processing step of, by relieving the external force applied to the plurality of first fibers brought into contact with the plurality of resin particles, forming second fibers from the plurality of resin particles, the second fibers each having an outer diameter that is smaller than each of the first fibers and is set to a value in a range of 30 nm or more to 1.0 ?m or less, and forming a fiber composite including the first fibers and the second fibers.

Abstract: [Problem] To evaluate, easily and at low cost, the performance of an earphone device used for ear acoustic certification. [Solution] Holes are provided in a plurality of plate-shaped members (201), an artificial eardrum member (202) corresponds to the eardrum of an individual, and the holes provided in each of the plurality of plate-shaped members (201) are connected, whereby the plurality of plate-shaped members (201) are layered over the artificial eardrum member (202) so as to simulate the external auditory canal of the individual.

Abstract: An electric field enhancing element includes a substrate, a plurality of microstructures provided at the substrate and having conductivity, and a transparent layer covering the plurality of microstructures and the substrate. An enhanced electric field generated by the plurality of microstructures is at a maximum at a position on an opposite side of the plurality of microstructures from the substrate and separated from the plurality of microstructures, in a perpendicular line direction of the substrate.

Abstract: A fiber article includes a plurality of first fibers and a plurality of second fibers each having an outer diameter smaller than that of each of the first fibers, the plurality of second fibers being supported in a dispersed state by the first fibers. A ratio D1/D2 of an outer diameter D1 of the first fiber to an outer diameter D2 of the second fiber is set to a value in a range of 15.0 or greater to 1666.7 or less. The outer diameter D1 is set to a value in a range of 5.0 ?m or greater to 50.0 ?m or less, and the outer diameter D2 is set to a value in a range of 30.0 nm or greater to 1.0 ?m or less.

Abstract: There is provided an information processing apparatus including a calculation means for calculating a projection matrix used for dimensionality reduction of a plurality of data based on an objective function. The objective function includes a first function including a first term indicating interclass dispersion of the plurality of data between a first class and a second class included in a plurality of classes and a second function including a second term indicating intraclass dispersion of the plurality of data in at least one of the first class and the second class. The calculation means performs optimization of the objective function under a constraint in which the first class and the second class are selected so that a combination of the first class and the second class includes a specific class.

Abstract: A method of producing an air filter includes a first step of preparing a tow band and a second step of obtaining a filter medium layer that includes first fibers obtained by applying tension to the tow band to spread the tow band and the first fibers having an average fiber diameter of 5 ?m or more and 50 ?m or less and second fibers disposed in gaps between the first fibers and having an average fiber diameter of 30 nm or more and 1 ?m or less. The second fibers are drawn out from the particulate resin by drawing the particulate resin, and the particulate resin is drawn by separating the first fibers from each other so that a gap is formed between the first fibers during the spreading of the tow band.

Abstract: A projector includes a first light source that emits a first light beam from a first light-emitting region including first light-emitting elements, and a second light source that emits a second light beam from a second light-emitting region including second light-emitting elements emitting light. Projector includes optical system that aligns traveling directions of first and second light beams, optical modulation device that adjusts first and second light beams based on image information, projection optical device, and control unit. The control unit changes a light-emitting position of the first light beam in the first light-emitting region to move an illumination region on an image forming region of the optical modulation device, and changes a light-emitting position of the second light beam in the second light-emitting region to move a second illumination region on the image forming region of the optical modulation device in the same direction as the first illumination region.

Abstract: Provided is an information processing device comprising an acquisition unit configured to acquire acoustic characteristics in a frequency domain based on a sound wave propagating in a head of a user and an extracting unit configured to generate a first frequency response function having a rational polynomial equation to extract feature quantity used for biometric authentication of the user based on the first frequency response function, the rational polynomial equation including terms indicating feature of a peak of the acoustic characteristics in a denominator and terms indicating feature of a notch of the acoustic characteristics in a numerator.

Abstract: There is provided an information processing apparatus including an acquisition means for acquiring a plurality of data each classified into one of a plurality of classes, and a calculation means for calculating a projection matrix used for dimensionality reduction of the plurality of data based on an objective function including a statistic of the plurality of data. The objective function includes a first function including a first term indicating interclass dispersion of the plurality of data between a first class and a second class included in the plurality of classes and a second function including a second term indicating intraclass dispersion of the plurality of data in at least one of the first class and the second class.

Abstract: A projector includes a first light source that emits a first light beam from a first light-emitting region including first light-emitting elements, and a second light source that emits a second light beam from a second light-emitting region including second light-emitting elements emitting light. Projector includes optical system that aligns traveling directions of first and second light beams, optical modulation device that adjusts first and second light beams based on image information, projection optical device, and control unit. The control unit changes a light-emitting position of the first light beam in the first light-emitting region to move an illumination region on an image forming region of the optical modulation device, and changes a light-emitting position of the second light beam in the second light-emitting region to move a second illumination region on the image forming region of the optical modulation device in the same direction as the first illumination region.

Abstract: To easily evaluate the performance of an earphone-type device used for otoacoustic authentication at low cost. A generation unit (31) generates earhole shape data indicating the three-dimensional shape of an individual's ear canal, on the basis of data on the internal structure of an individual's earhole, a center line calculation unit (32) calculates the center line of the ear canal, on the basis of the ear canal shape data, and a dividing unit (33) divides the ear canal into a plurality of layers perpendicular to the center line, and calculates, for each of the divided layers, parameters indicating the shape of the ear canal.

Abstract: The disclosure accurately authenticates a subject, regardless of which audio device is used for the in-ear acoustic authentication. A feature extraction unit (11) applies a test signal to an ear of a subject using an audio device, and upon receiving an acoustic signal from the subject, extracts, from the acoustic signal, a first feature relating to the system consisting of the audio device and the ear of the subject; a correction unit (12) corrects the first feature to a second feature that would result if a prescribed reference device were used instead of the audio device; and an authentication unit (13) authenticates the subject by comparing the second feature with a feature indicated by pre-registered authentication information.

Abstract: [Problem] To evaluate, easily and at low cost, the performance of an earphone device used for ear acoustic certification. [Solution] Holes are provided in a plurality of plate-shaped members (201), an artificial eardrum member (202) corresponds to the eardrum of an individual, and the holes provided in each of the plurality of plate-shaped members (201) are connected, whereby the plurality of plate-shaped members (201) are layered over the artificial eardrum member (202) so as to simulate the external auditory canal of the individual.

Abstract: Provided is an information processing device comprising an acquisition unit configured to acquire acoustic characteristics in a frequency domain based on a sound wave propagating in a head of a user and an extracting unit configured to generate a first frequency response function having a rational polynomial equation to extract feature quantity used for biometric authentication of the user based on the first frequency response function, the rational polynomial equation including terms indicating feature of a peak of the acoustic characteristics in a denominator and terms indicating feature of a notch of the acoustic characteristics in a numerator.

Abstract: A production method for a fiber article includes: a contact step of, while transferring a plurality of first fibers, bringing a plurality of resin particles formed of high molecules that can be fiberized into contact with the plurality of first fibers; a first processing step of applying an external force to the plurality of first fibers brought into contact with the plurality of resin particles and narrowing gaps between fibers; and a second processing step of, by relieving the external force applied to the plurality of first fibers brought into contact with the plurality of resin particles, forming second fibers from the plurality of resin particles, the second fibers each having an outer diameter that is smaller than each of the first fibers and is set to a value in a range of 30 nm or more to 1.0 ?m or less, and forming a fiber composite including the first fibers and the second fibers.

Abstract: A fiber article includes a plurality of first fibers and a plurality of second fibers each having an outer diameter smaller than that of each of the first fibers, the plurality of second fibers being supported in a dispersed state by the first fibers. A ratio D1/D2 of an outer diameter D1 of the first fiber to an outer diameter D2 of the second fiber is set to a value in a range of 15.0 or greater to 1666.7 or less. The outer diameter D1 is set to a value in a range of 5.0 ?m or greater to 50.0 ?m or less, and the outer diameter D2 is set to a value in a range of 30.0 nm or greater to 1.0 ?m or less.

Abstract: A magnetic field generator includes a refrigerating machine, a cold head, a superconductor which is formed in a cylindrical shape, a cold head extension portion which extends from the cold head and is brought into thermal contact with the superconductor at its extended end; and a vacuum heat insulating container having an internal space in which the cold head, the cold head extension portion, and the superconductor are received. The superconductor has a room temperature bore space, which is formed on its inner peripheral side along an axial direction of the superconductor, and is spatially isolated from the internal space of the vacuum heat insulating container. The room temperature bore space has both ends communicating to an outside of the magnetic field generator.

Abstract: Provided is a peptide that specifically binds to norovirus, which is useful for detection and infection control of norovirus. A norovirus-binding peptide consisting of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1 to 185.

Abstract: A peptide that specifically binds to norovirus, which is useful for detection and infection control of norovirus is provided. A norovirus-binding peptide consisting of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1 to 327.

Abstract: A peptide that specifically binds to norovirus, which is useful for detection and infection control of norovirus is provided. A norovirus-binding peptide consisting of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1 to 269.