Abstract: Provided is a technology of estimating a bending stiffness variation of a tire and estimating a tread wear amount of a tire using the same. A tire wear measuring apparatus wear includes a signal receiver configured to measure acceleration inside the tire with respect to an axial direction, which is a radial direction of the tire, for each point inside the tire, a signal analyzer configured to receive signal information from the signal receiver and estimate a tread wear rate of the tire by calculating a bending stiffness variation rate of the tire using axial acceleration inside the tire, a transmitter configured to receive and transmit analysis information, which is information on the tread wear rate of the tire, from the signal analyzer, and a control module configured to receive the analysis information from the transmitter and generate a control signal for a vehicle to which the tire is installed.

Abstract: Provided are a computer device for fast stimulation artifact template-based real-time stimulation artifact removal and a method thereof. The computer device may be connected to a recording device in which data representing effect of stimulation on a living body is recorded and may be configured to generate a stimulation artifact template for the stimulation based on the recorded data, and to remove a stimulation artifact according to the stimulation from the recorded data using the stimulation artifact template.

Abstract: Provided is a technique of quantifying a change in irregularity appearing in an acceleration signal of a tire and measuring a tread wear amount of the tire using the quantified change.

Abstract: Disclosed are a femtosecond laser-based ultrasonic measuring apparatus for a 3D printing process, and a 3D printing system including the apparatus. The apparatus includes a femtosecond laser source for generating a femtosecond laser beam irradiated to inspect a state of a printing object formed by melting a base material by a printing laser beam irradiated from the laser source for 3D printing, a beam splitter for separating the femtosecond laser beam generated by the femtosecond laser source into a pump laser beam and a probe laser beam, an electric/acoustic optical modulator for modulating the pump laser beam, a time delay unit for delaying the probe laser beam, a photo detector for detecting the probe laser beam reflected by the printing object, and a lock-in amplifier for detect an amplitude and a phase of the output signal from the photo detector. The femtosecond laser source is disposed coaxially with a laser source for 3D printing.

Abstract: A calibration circuit includes a selection unit, a power detector, an analog-to-digital converter and a calibrator. The selection unit is connected to the plurality of channels, selects two channels from among the plurality of channels, provides a test signal to the selected two channels, and receives a test result signal from the selected two channels. The power detector detects power of the selected two channels. The analog-to-digital converter performs an A/D conversion on an output of the power detector. The calibrator calibrates the phases and the gains between the plurality of channels based on an output of the analog-to-digital converter. One of the plurality of channels is set as a reference channel, phases and gains of remaining channels other than the reference channel among the plurality of channels are sequentially optimized based on the reference channel, and a phase and a gain of the reference channel is optimized.

Abstract: Provided is a technique for measuring a wear rate of a tire tread using tendency of a peak value of acceleration of the tire. According to an embodiment of the present disclosure, a tire wear measuring apparatus includes: a signal receiver configured to measure acceleration inside the tire installed to a the vehicle for each point inside the tire; a signal analyzer configured to receive signal information from the signal receiver and estimate a tread wear rate of the tire using a peak value of acceleration in longitudinal direction perpendicular to an axial direction of the tire from among acceleration signals inside the tire; a transmitter configured to receive analysis information, which is information on the tread wear rate of the tire, from the signal analyzer and transmit the analysis information; and a control module configured to receive the analysis information from the transmitter and generate a control signal for the vehicle to which the tire is installed.

Abstract: Various embodiments relate to a superlattice photodetector and a method of manufacturing the same. The superlattice photodetector includes an absorption layer for absorbing incident light and a waveguide layer coupled with the absorption layer and enabling the incident light to be waveguided within the absorption layer. The waveguide layer may include a periodic structure in which a plurality of metal patterns and a plurality of dielectric patterns are repeatedly arranged. According to various embodiments, the superlattice photodetector can be thinned while having improved performance.

Abstract: A disclosed micro pre-concentrator includes a base substrate having a trench, and a 3D nano-shell composite disposed in the trench and having pores that are ordered and connected to each other. The 3D nano-shell composite includes a 3D nano-shell support defined by a thin film extending three-dimensionally and a polymeric layer formed along a surface of the 3D nano-shell support. The micro pre-concentrator may increase adsorption amount of gas. In addition, since it may be uniformly heated in a short time, it is possible to release gas at a high density in a short time.

Abstract: A method and apparatus with image processing are provided. A method includes determining sample points sampled on a camera ray, wherein the camera ray is based on view-generation information comprising a scene viewing-position and a scene-viewing direction, determining location statuses of the respective sample points based on a virtual cylindrical coordinate system defined by a center and a radius, projecting and rendering a value of a pixel corresponding to the camera ray by, according the location statuses, applying the view-generation information to a first neural network to generate a first rendering result and to a second neural network to generate a second rendering result, wherein the first neural network has been trained to generate foreground images and the second neural network has been trained to generate background images, and generating a rendered image based on blending the first rendering result and the second rendering result.

Abstract: Disclosed are a memristor device, a method of fabricating the same, a synaptic device including a memristor device, and a neuromorphic device including a synaptic device. The disclosed memristor device may comprise a first electrode, a second electrode disposed to be spaced apart from the first electrode; and a resistance changing layer including a copolymer between the first electrode and the second electrode. The copolymer may be a copolymer of a first monomer and a second monomer, and the first polymer formed from the first monomer may have a property that diffusion of metal ions is faster than that of the second polymer formed from the second monomer. The second polymer may have a lower diffusivity of metal ions as compared with the first polymer. The first monomer may include vinylimidazole (VI). The second monomer may include 1,3,5-trivinyl-1,3,5-trimethylcyclotrisiloxane (V3D3). The copolymer may include p(V3D3-co-VI).

Abstract: A transparency-adjusting apparatus includes a transparency-adjustable film including a polymer and an array of pores that are three-dimensionally ordered and connected to each other, and a compressive-strain adjusting part that adjusts a compressive strain of the transparency-adjustable film in a vertical direction. A transparency of the transparency-adjustable film varies depending on the compressive strain. The pores are arranged to tilt from the vertical direction.

Abstract: The present invention relates to a molten salt-metal reactor for implementing a micro-reactor, and more specifically, to a molten salt-metal reactor including a liquid metal nuclear fuel and a molten salt coolant, wherein the molten salt coolant is disposed in an upper portion of the liquid metal nuclear fuel such that the heat generated from the nuclear fuel is transferred to the molten salt coolant and cooled.

Abstract: Disclosed are a method and system for visualizing a dyed hair image. The method of visualizing dyeing hair includes separating a hair area from an image related to a dyeing target, detecting a color characteristic of the hair area, determining a target color corresponding to the color characteristic by using a dataset comprising color difference values of dyeing hair using a hairdye product, performing a color transfer using the target color on the hair area, and merging the hair area on which the color transfer using the target color as been performed with the image.

Abstract: Disclosed are a method and apparatus for replacing missing image data. The method of replacing missing image data includes receiving input image data for at least two or more domains among preset multiple domains, and restoring missing image data of a preset target domain by using a neural network that uses the two or more input image data as inputs. The neural network may combine fake image data of a first target domain generated by inputting real image data of at least two or more domains of the multiple domains and the real image data, and be trained by using a multi-cycle consistency loss in which an image restored by inputting the combined image data is similar with the real image data.

Abstract: Provided are an optical device and a method of manufacturing the optical device including a lower electrode; an insulating layer provided on the lower electrode; upper electrodes provided on the insulating layer; and variable conductivity patterns provided to be adjacent to the upper electrodes, respectively, on the insulating layer. The upper electrodes include first and second electrodes that are alternately provided, a pitch between the first electrodes is identical to a pitch between the second electrodes, the second electrode is provided between the adjacent first electrodes, a distance between one of the adjacent first electrodes and the second electrode is a first length, a distance between another one of the adjacent first electrodes and the second electrode is a second length, and the second length differs from the first length.

Abstract: A magnetic field communication method and apparatus using a giant magnetoimpedance (GMI) magnetometer are disclosed. The magnetic field communication apparatus includes a GMI magnetometer configured to detect a first communication signal based on a received magnetic field signal, a first signal extractor configured to extract a second communication signal comprising a message signal from the first communication signal, a second signal extractor configured to extract a third communication signal by removing a magnetization frequency signal from the second communication signal, and a third signal extractor configured to extract the message signal by removing a carrier wave frequency signal from the third communication signal.

Abstract: Disclosed are an anti-drone method using a GPS spoofing signal and a system thereof. According to an embodiment of the inventive concept, an anti-drone method may include injecting a GPS spoofing signal to analyze a drone feature of a target drone and hijacking the target drone by injecting a GPS spoofing signal into the target drone based on a drone hijacking strategy corresponding to the analyzed drone feature among predefined drone hijacking strategies. The analyzing of the drone feature may include injecting the GPS spoofing signal to analyze a safety device mechanism (GPS fail-safe) and a path-following algorithm of the target drone.

Abstract: Disclosed are an image processing method and device using a line-wise operation. The image processing device, according to one embodiment, comprises: a receiver for receiving an image; at least one first line buffer for outputting the image into a line-wise image line; a first convolution operator for generating a feature map by performing a convolution operation on the basis of the output from the first line buffer; and a feature map processor for storing the output from the first convolution operator in units of at least one line, and processing so as to output the feature map stored in units of at least one line into a two-dimensional form, wherein at least one convolution operation operates in the form of a pipeline.

Abstract: The present invention relates to mouse antibodies that bind to angiopoietin-2 (Ang2), humanized anti-Ang2 antibodies derived therefrom, and the use thereof. The anti-Ang2 antibodies have a dual function of activating the Tie2 receptor together with neutralizing Ang2. The anti-Ang2 antibodies show the property of normalizing abnormal and pathological blood vessels, and thus exhibits therapeutic efficacy against various diseases and disorders associated with abnormal blood vessels. The present invention further provides an angiogenesis inhibitor and a composition for treatment of diseases associated with abnormal Ang2 expression and Tie2 dysregulation, which comprise the antibody as an active ingredient, and a composition for diagnosing diseases associated with Ang2 inhibition and Tie2 activation, which comprises the antibody.

Abstract: A method for estimating a phase noise by a wireless device in a wireless communication system according to an embodiment of the present disclosure comprises the steps of: receiving a pre-configured pilot signal and a phase tracking reference signal (PTRS); calculating a first phase noise on the basis of the pre-configured pilot signal; calculating a common phase error (CPE) on the basis of the phase tracking reference signal (PTRS); and estimating a phase noise (PN) on the basis of the first phase noise and the common phase error (CPE). The PN is estimated through interpolation based on a specific reference point, and the specific reference point is based on the first phase noise and the CPE.