Abstract: A non-transitory computer-readable storage medium stores a program that causes a computer to execute a process, the process includes: detecting a position of an object different from a target person on a target video in which the target person is captured; specifying, among a plurality of parts of the target person on the target video, one or more parts excluding a part having a correlation in movement with the object, the one or more parts being specified on a basis of a positional relation between the detected position of the object and a position of at least one of the plurality of parts; and performing comparison processing of the target person on a basis of characteristics related to the specified one or more parts on the target video.

Abstract: A non-transitory computer-readable storage medium stores a program that causes a computer to execute a process, the process includes: obtaining a video that includes a person; detecting an object included in the video by analyzing the obtained video; determining, on a basis of a positional relation between the detected object and any one of a plurality of parts of the person, whether movement of the object and movement of the any one of the plurality of parts have a correlation; when determining that the movement of the object and the movement of the any one of the plurality of parts have the correlation, specifying, among a plurality of frames constituting the video, a first frame which has the correlation; and performing authentication processing of the person by using a second frame that is among the plurality of frames and excludes the first frame.

Abstract: A semiconductor element for generating or detecting a terahertz wave is provided. The element includes a substrate, a first electrode, a semiconductor layer disposed between the substrate and the first electrode and including a gain medium for the terahertz wave, a dielectric layer disposed to cover the substrate, and a second electrode disposed on the dielectric layer and connected to the first electrode via an opening provided in the dielectric layer. A portion of the second electrode disposed in the opening includes a first inclined portion, a second inclined portion disposed between the first inclined portion and the first electrode and is less inclined than the first inclined portion, and an intermediate portion connecting the first and second inclined portions. The intermediate portion includes a planar terrace and the terrace is less inclined than the first and second inclined portions.

Abstract: A high-strength steel sheet of the present invention has a specific chemical composition. Furthermore, in the steel sheet, a degree of Mn segregation in a specific region is 1.5 or less; a maximum P concentration in a specific region is 0.08 mass % or less; in a specific region, at least one specific MnS particle group is present, the number of specific MnS particle groups is 2.0 or fewer per 1 mm2, and the number of specific oxide-based inclusions is 8 or fewer per 1 mm2; of all oxide-based inclusions, oxide-based inclusions having a specific composition are present in a number ratio of 80% or greater; the microstructure includes, in terms of a volume fraction, 30 to 95% martensite, 5 to 70% ferrite phase, less than 30% (and 0% or greater) bainite, and less than 2.0% (and 0% or greater) austenite phase; and a tensile strength is 980 MPa or greater.

Abstract: A fluid-heating device for heating fluid with a heater includes: a heating portion that is molded so as to cover the surrounding of the heater; and a support body integrally cast into the heating portion, the heating portion being molded in a state in which the heater is supported by the support body in a die for molding the heating portion.

Abstract: An inorganic porous carrier including a linker of formula (1) and having mode diameter of 0.04 ?m to 1 ?m in a pore distribution and the density of voids having an opening area of 0.0025 ?m2 or more of 12 to 30 voids/?m2 [a bond * represents a linkage to the oxygen atom in a silanol group of an inorganic porous substance; n is an integer; R represents an alkyl group containing 3 to 10 carbon atoms which may optionally have a substituent such as an alkoxy group; and L represents a single bond; an alkylene group of 1 to 20 carbon atoms; or an alkylene group containing 2 to 20 carbon atoms containing —CH2-Q-CH2— group wherein Q selected from a group consisting of —O— etc. is inserted into at least one of —CH2—CH2— group constituting the alkylene group]; and a method for preparing a nucleic acid using the same.

Abstract: An inorganic porous carrier having pore distribution where a pore diameter is 0.04 ?m or more, and including a linker of formula (1) [where a bond * represents a bond to an oxygen atom of a silanol group in an inorganic porous substance. R1 and R2 represent each independently an alkyl group containing 3 to 10 carbon atoms, or a phenyl group. L represents a single bond; an alkylene group containing 1 to 20 carbon atoms; or an alkylene group containing 2 to 20 carbon atoms containing —CH2-Q-CH2— group wherein any group Q selected from a group consisting of —O—, —NH—, —NH—CO—, and —NH—CO—NH— is inserted into at least one of —CH2—CH2— group constituting the alkylene group. A carbon atom of the methylene group bound to the group Q does not bond to another group Q at the same time.]; and a method for preparing nucleic acids using the same.

Abstract: The light emitting element according to the present disclosure comprises a first active layer that emits light having a first wavelength by injecting current, a second active layer that emits light having a second wavelength different from the first wavelength by absorbing the light having the first wavelength, and a first reflecting mirror in which a reflectance of light having the first wavelength is higher than a reflectance of light having the second wavelength, wherein the first reflecting mirror is disposed at a position closer to an emission end, from which the light emitted by the first active layer or the second active layer exits outside, than the first active layer and the second active layer.

Abstract: An inorganic porous carrier including a linker of formula (1), wherein a mode diameter in a pore distribution is 0.04 ?m to 1 ?m, and a predetermined cumulative pore volume ratio is 30% or less [a bond * represents a linkage to the oxygen atom of a silanol group in an inorganic porous substance; n is an integer; R represents independently of each other an alkyl group containing 3 to 10 carbon atoms which may optionally have a substituent such as an alkoxy group; and L represents a single bond; an alkylene group of 1 to 20 carbon atoms; or an alkylene group containing 2 to 20 carbon atoms which contains —CH2-Q-CH2— group wherein any group Q selected from a group consisting of —O— etc. is inserted into at least one of —CH2—CH2— group constituting the alkylene group]; and a method for preparing a nucleic acid using the same.

Abstract: An optical amplifier includes a laminated body including two electrode layers and an active layer disposed therebetween. The laminated body includes a waveguide which guides light in an in-plane direction of the active layer. The light which is incident on the laminated body is amplified and emitted from an end surface in the in-plane direction through the waveguide. At least one of the two electrode layers has an electrode group including at least two electrodes which are disposed separately from each other in a waveguide direction of the waveguide. An amplification factor of the incident light is changeable in accordance with a wavelength of the incident light by independently supplying current to different regions in the active layer using the at least two electrodes. Accordingly, the ASE light including light having an unrequired wavelength may be reduced while sufficient light output intensity is obtained in a required wavelength.

Abstract: A light source includes an upper electrode layer, a lower electrode layer, and an active layer interposed therebetween. At least one of the upper and lower electrode layers is divided into a plurality of electrodes separated from each other in an in-plane direction of the active layer. The separated electrodes independently inject current into a plurality of different regions in the active layer. The light source emits light by injecting current from the upper and lower electrode layers into the active layer, guide the light in the in-plane direction, and output the light. The plurality of different regions in the active layer include a first region not including a light exit end and a second region including the light exit end, and the second region is configured to emit light of at least first-order level. The active layer has an asymmetric multiple quantum well structure.

Abstract: The present invention provides a light emitting device which emit light having a high-order level without increasing a current injection density to an active layer. A light emitting device according to the present invention includes an upper electrode layer, a lower electrode layer, and an active layer provided between them. In this case, light is emitted by injection of electric current to the active layer through the upper electrode layer and the lower electrode layer, the active layer has a plurality of quantum-confined structures, and a first quantum-confined structure has a ground level having an energy level E0 and a high-order level having an energy level E1, and a second quantum-confined structure has an energy level E2 which is higher than the E0, and the E1 and the E2 are substantially matched.

Abstract: The present invention provides a light emitting device which emit light having a high-order level without increasing a current injection density to an active layer. A light emitting device according to the present invention includes an upper electrode layer, a lower electrode layer, and an active layer provided between them. In this case, light is emitted by injection of electric current to the active layer through the upper electrode layer and the lower electrode layer, the active layer has a plurality of quantum-confined structures, and a first quantum-confined structure has a ground level having an energy level E0 and a high-order level having an energy level E1, and a second quantum-confined structure has an energy level E2 which is higher than the E0, and the E1 and the E2 are substantially matched.

Abstract: A light source includes a control unit that controls currents injected into at least one light emitting region and a light emission spectrum conversion region. The at least one light emitting region includes a first light emitting region and a second light emitting region different from the first light emitting region, light that is emitted from the first light emitting region and passes through the light emission spectrum conversion region is combined with the light that is emitted from the first or second light emitting region and does not pass through the light emission spectrum conversion region. The control unit controls the currents injected into the light emission spectrum conversion region and the first light emitting region so that the current density of the light emission spectrum conversion region is smaller than the current density of the first light emitting region.

Abstract: A light source system includes a laminate having a lower electrode layer, an active layer and an upper electrode layer in this order, a light-emitting element including at least one of the upper electrode layer and the lower electrode layer divided into a plurality of electrodes and configured to emit light by injecting a current into the active layer via the upper electrode layer and the lower electrode layer, and a control unit configured to control a current injecting amount to the upper electrode layer and the lower electrode layer. The control unit controls a half-value width of the emission spectrum of the light-emitting element by varying a difference between an injection current density to a first electrode and an injection current density to a second electrode among the plurality of electrodes.

Abstract: A light source includes an upper electrode layer, a lower electrode layer, and an active layer interposed therebetween. At least one of the upper and lower electrode layers is divided into a plurality of electrodes separated from each other in an in-plane direction of the active layer. The separated electrodes independently inject current into a plurality of different regions in the active layer. The light source emits light by injecting current from the upper and lower electrode layers into the active layer, guide the light in the in-plane direction, and output the light. The plurality of different regions in the active layer include a first region not including a light exit end and a second region including the light exit end, and the second region is configured to emit light of at least first-order level. The active layer has an asymmetric multiple quantum well structure.

Abstract: A light emitting device includes an optical waveguide including an active layer having at least two gain peaks and a pair of clad layers sandwiching the active layer and electrodes disposed in a guided wave direction of the optical waveguide. The electrodes include a first electrode nearest the emitting end and a second electrode next thereto. The light emitting device includes a grating section in the vicinity of the optical waveguide between the first and second electrodes. The grating section reflects or absorbs a beam having a wavelength other than peak wavelengths corresponding to the two gain peaks in a spectrum of the beam generated by driving the second electrode. The beam generated by driving the second electrode and having the selected wavelength is guided to a region of the optical waveguide where the first electrode is disposed and is combined with a beam generated by driving the first electrode.

Abstract: A light source includes a control unit that controls currents injected into at least one light emitting region and a light emission spectrum conversion region. The at least one light emitting region includes a first light emitting region and a second light emitting region different from the first light emitting region, light that is emitted from the first light emitting region and passes through the light emission spectrum conversion region is combined with the light that is emitted from the first or second light emitting region and does not pass through the light emission spectrum conversion region. The control unit controls the currents injected into the light emission spectrum conversion region and the first light emitting region so that the current density of the light emission spectrum conversion region is smaller than the current density of the first light emitting region.

Abstract: A recommendatory information provision system has a management apparatus and a user terminal device. The management apparatus includes a browsed information acquisition unit for acquiring information of a browsed document, a recommended document retrieval unit for retrieving a recommended document relevant to the browsed document, a recommendation history management unit for storing and managing history information which concerns recommendations of the recommended document, a recommendation history retrieval unit for retrieving from the recommendation history management unit, the history information of the recommended document which has been retrieved by the recommended document retrieval unit, and a recommendatory information provision unit for providing, to the user terminal device, the information concerning the recommended document and the history information of the recommended document as have been retrieved. The user terminal device has a display process unit for displaying the information on a screen.

Abstract: A document retrieval apparatus for retrieving documents from a document database in which documents are registered, and displaying the retrieved documents, the document retrieval apparatus includes: a keyword input unit for accepting input of a retrieval keyword for retrieving the documents; a document retrieval unit for retrieving the documents from the document database on the basis of the retrieval keyword; a keyword weight calculation unit for calculating those weights of the retrieval keyword which feature contents of the retrieved documents, as keyword weights; and a display process unit for displaying the retrieved documents in a state where the retrieval keyword contained in the retrieved documents is presented in display aspects conforming to the keyword weights.