Abstract: An oral appliance (OA) made as upper and lower splints or denture set of a user to facilitate adjustable mandibular advancement using an adjustable strap system assisting in partially or fully reducing snoring and thus ameliorating obstructive sleep apnea (OSA). The mandibular advancement is realized by a single adjustable strap avoiding providing a set of straps. Excess recess in strap assembly facilitates variation in mandibular advancement even after locking gross length of strap. An optional additional modular breathing assist device is disclosed that may serve the purpose of controlling quantity of air flow from mouth or oral cavity of a user during exhaling from the airway enhancing the anti-snoring function.

Abstract: Disclosed is a pet harness. The pet harness includes a harness body, a leg limiter, a driving device and a binding rope. The harness body includes a shoulder strap portion and a waistband portion. The leg limiter is annular and is sleeved on legs of the pet. The driving device is provided on the shoulder strap portion. One end of the binding rope is connected to the leg limiter, and the other end of the binding rope is connected to the driving device along an extension direction of the waistband portion. The driving device is configured to retract the binding rope to lead the leg limiter for restricting a pet movement, or to lengthen the binding rope to release the leg limiter for allowing the pet to move freely.

Abstract: The present disclosure discloses a method, apparatus and system for customer group analysis, and a storage medium. The method includes: obtaining video images of a customer group passing by a display apparatus; recognizing and tracking head images of the customer group in the video images, and determining behavior characteristics of individuals in the customer group; and performing statistical analysis on the behavior characteristics of the customer group corresponding to the display apparatus, so as to update a quantity of individuals corresponding to each behavior characteristic.

Abstract: The present invention relates to polyisocyanate compositions comprising two different types of polyisocyanate, their use in the manufacture of prepregs and polyisocyanurate composited made from said prepregs.

Abstract: The present disclosure provides a method for generating handwriting, belonging to the field of computer application technology. The handwriting generation method includes: acquiring sampling points on a handwritten track, and generating a handwritten track curve based on the sampling points wherein the handwritten track is a track of a stroke segment of a handwritten stroke; determining an arc length ? between interpolation points; determining positions of interpolation points on the handwritten track curve according to the arc length ? between interpolation points, where an arc length between two adjacent interpolation points on the handwritten track curve is the same as the arc length ? between interpolation points; and overlaying a handwriting effect parameter at the positions of the interpolation points to generate the track of the marker pen corresponding to the handwritten track curve.

Abstract: The present disclosure discloses a media monitoring method, apparatus and system. The method includes: obtaining image information of a program verification region in a display frame of a currently monitored display screen, wherein the program verification region is configured to display verification information corresponding to a current program that should be broadcast on the display screen; identifying the image information to determine actual display information representing a current actually-broadcast program; and performing verification on the actual display information according to the verification information, and determining that the display screen broadcasts normally if the verification is passed, or determining that the display screen does not broadcast normally if the verification is failed.

Abstract: The present disclosure discloses a media monitoring method, apparatus and system. The method includes: obtaining image information of a program verification region in a display frame of a currently monitored display screen, wherein the program verification region is configured to display verification information corresponding to a current program that should be broadcast on the display screen; identifying the image information to determine actual display information representing a current actually-broadcast program; and performing verification on the actual display information according to the verification information, and determining that the display screen broadcasts normally if the verification is passed, or determining that the display screen does not broadcast normally if the verification is failed.

Abstract: The present disclosure discloses a method, apparatus and system for customer group analysis, and a storage medium. The method includes: obtaining video images of a customer group passing by a display apparatus; recognizing and tracking head images of the customer group in the video images, and determining behavior characteristics of individuals in the customer group; and performing statistical analysis on the behavior characteristics of the customer group corresponding to the display apparatus, so as to update a quantity of individuals corresponding to each behavior characteristic.

Abstract: The present application provides a displaying device and a controlling method thereof, which relates to the technical field of displaying. The displaying device can solve the problem of residual images generated in power-off and greatly improve the product quality and the user experience.

Abstract: Methods, apparatus, and systems for monitoring damage of electrofusion joints of a non-metallic pipe are provided. In one aspect, a system includes: a data collector for collecting monitored resistance data of an electrofusion joint; one or more processors; and one or more memories having instructions executable by the one or more processors to perform operations including: storing a first damage critical value, a second damage critical value, and the monitored resistance data; processing the monitored resistance data to obtain a first monitored value and a second monitored value; comparing the first monitored value with the first damage critical value and the second monitored value with the second damage critical value; and determining the electrofusion joint is damaged in response to determining at least one of: the first monitored value being greater than the first damage critical value or the second monitored value being greater than the second damage critical value.

Abstract: The present application provides a displaying device and a controlling method thereof, which relates to the technical field of displaying. The displaying device can solve the problem of residual images generated in power-off and greatly improve the product quality and the user experience.

Abstract: A treatment method for a river system in a reservoir area, comprising: S1. determining whether a time from a current date to the rainy season is less than a preset duration; S2. moving a pressure sensor upward; S3. determining whether the pressure data meets corresponding conditions; S4. determining whether a duration of the pressure data is less than the preset duration; S5. determining whether an interval between the current time and the time for collecting pressure/nitrogen and phosphorus is greater than a preset number of days; S6. acquiring an image information of a river bottom, and sending it to neural network model for identification to obtain a depth of a sludge; S7. determining whether the depth of a sludge has reached a dredging depth, if so, starting a sludge pump to clean up; S8. collecting nitrogen and phosphorus concentration, and removing nitrogen and phosphorus when the concentration exceeds a standard.

Abstract: A system and a method of enhancing reliability of fused deposition modelling (FDM) process are disclosed. The system instructs a three-dimensional (3D) printer to employ a 3D printer nozzle for dispensing material for forming a 3D print object. The system receives images from a nozzle camera. The nozzle camera captures images of the 3D printer nozzle dispensing the material. The system detects printing failures from the images of the 3D printer nozzle. The system creates bounding boxes around the printing failures. The system classifies the printing failures based on type of errors. The system adjusts printing parameters or terminates the printing process based on the printing failures classified. The system further includes a bracket for positioning the nozzle camera for capturing images of the 3D printer nozzle.

Abstract: The invention relates to the technical field of bill management, in particular to a bill binding and encoding device and a classification filing system, wherein the bill binding and encoding device comprises: a bottom plate, a movable encoding mechanism and ink ribbon spools; wherein a sliding rail is provided on the bottom plate; a positioning rack is provided on one side of the sliding rail, and a plurality of positioning teeth are provided on the positioning rack along the length direction of the sliding rail; the sliding block is provided with a positioning claw which is provided in rotational connection with the sliding block through a rotating shaft; and a encoding groove is provided on the one side of the sliding groove, and the length direction of the encoding groove is parallel to the length direction of the sliding rail.

Abstract: A treatment method for a river system in a reservoir area, comprising: S1. determining whether a time from a current date to the rainy season is less than a preset duration; S2. moving a pressure sensor upward; S3. determining whether the pressure data meets corresponding conditions; S4. determining whether a duration of the pressure data is less than the preset duration; S5. determining whether an interval between the current time and the time for collecting pressure/nitrogen and phosphorus is greater than a preset number of days; S6. acquiring an image information of a river bottom, and sending it to neural network model for identification to obtain a depth of a sludge; S7. determining whether the depth of a sludge has reached a dredging depth, if so, starting a sludge pump to clean up; S8. collecting nitrogen and phosphorus concentration, and removing nitrogen and phosphorus when the concentration exceeds a standard.

Abstract: Described is a broadband near infrared absorber, including a wide-type cross-shaped gold layer, an indium tin oxide (ITO) thin film, a silicon dioxide (SiO2) layer and a hollowed-out cross-shaped gold layer arranged from top to bottom. A length of the cross-shaped gold layer is the same as a length of the hollowed-out cross-shaped gold layer. A width of the cross-shaped gold layer is the same as a width of the hollowed-out cross-shaped gold layer. A thickness of the cross-shaped gold layer is different from a thickness of the hollowed-out cross-shaped gold layer.

Abstract: A terahertz sensor based on a dielectric metasurface, including a sensing element, and a thermosensitive circuit connected to the sensing element. The sensing element is composed of a cylindrical semiconductor doped with a conductive material. The conductive material is configured to change conductivity of the cylindrical semiconductor to enable the cylindrical semiconductor to absorb electromagnetic waves in terahertz region.

Abstract: A method includes generating a plurality of reference neighborhoods from a sample material structure. Tensors are determined for each of the plurality of reference neighborhoods associated with a material property. A neighborhood orientation is determined for each of the reference neighborhoods based on the tensors. A plurality of target neighborhoods are defined for a target structure. Each target neighborhood has a target orientation associated with the material property. A synthesized structure corresponding to the target structure is generated by selecting a reference neighborhood for each target neighborhood having a neighborhood orientation matching the target orientation.

Abstract: A method and system for a displaying content that makes LED real-time 3D displays possible. The 3D image formation includes multi-screen display color correction and multi-camera infrared positioning technology. The present invention presents the display effects of a simulation environment in a better way through switching and moving and ensures that while in movement, the display effects of LED screens taken by video cameras from different angles can be maintained the same, so as to create a vivid simulation environment for television programming and film shooting. The system for maintaining accuracy in a 3D image formation includes a multi-screen display color correction system, a multi-screen display color correction system comprising a large-size screen server, a video camera and a large-size display screen wherein the large-size screen color correction server includes an image input module, a position data module, a comprehensive color correction server and an image output module.

Abstract: A method and system for a displaying content that makes LED real-time 3D displays possible. The 3D image formation includes multi-screen display color correction and multi-camera infrared positioning technology. The present invention presents the display effects of a simulation environment in a better way through switching and moving and ensures that while in movement, the display effects of LED screens taken by video cameras from different angles can be maintained the same, so as to create a vivid simulation environment for television programming and film shooting. The multi-viewpoint switched shooting system and method based on the infrared positioning system includes a multifaceted irregular screen, a video splicer, a 3D rendering server, an infrared positioning system, a motion-capture computer, a Network switch and a multichannel control server.