Abstract: Disclosed is a color transform method performed by an electronic device that includes generating an initial color transformed image by performing color transform on a raw image, determine noise amplification degrees indicating degrees to which noise included in the raw image is amplified by the color transform, processing the determined noise amplification degrees, and generating a final color transformed image by filtering the generated initial color transformed image using the processed noise amplification degrees and at least one of the raw image or luminance information of the raw image.

Abstract: An electroluminescent device includes a first electrode and a second electrode facing each other; a quantum dot layer disposed between the first electrode and the second electrode and including a plurality of quantum dots; optionally, an electron transport layer between the quantum dot layer and the second electrode; wherein the quantum dot layer is configured to emit first light. The electroluminescent device further includes a first layer including an inorganic nanoparticle between the quantum dot layer and the first electrode, and inorganic nanoparticle includes a metal chalcogenide including a Group II metal and a chalcogen element. The inorganic nanoparticle has a size of greater than or equal to about 0.5 nanometers and less than or equal to about 30 nanometers.

Abstract: A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function.

Abstract: Disclosed is a method of manufacturing a polyurethane filter foam having excellent air permeability, elasticity, and restoring force. In the method of manufacturing the polyurethane filter foam, the cell size of the filter foam is made regular by controlling the pressure by adjusting the diameter of the foaming head of a foaming machine, rather than adding a cell opener, cell irregularity caused by poor dispersion of the cell opener is alleviated, and air permeability, porosity, and compression set are excellent.

Abstract: A method of learning a parameter of a sensor filter and an apparatus for performing the method are provided. The learning method may include performing a simulation on a target image for each spectrum of a sensor filter, obtaining an output value by inputting the simulated image to a vision model for a vision task, and learning a parameter of the sensor filter based on a loss between a label of the vision model and the output value of the vision model.

Abstract: A target tracking method and apparatus is provided. The target tracking apparatus includes a memory configured to store a neural network, and a processor configured to extract feature information of each of a target included in a target region in a first input image, a background included in the target region, and a searching region in a second input image, using the neural network, obtain similarity information of the target and the searching region and similarity information of the background and the searching region based on the extracted feature information, obtain a score matrix including activated feature values based on the obtained similarity information, and estimate a position of the target in the searching region from the score matrix.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: Provided are a negative electrode active material including a three-dimensional composite. The three-dimensional composite includes secondary particles containing a silicon carbide-based (SiCx, 0<x?1) nanosheet having a bent portion and amorphous carbon. Also provided are a method of producing the same, and a negative electrode and a lithium secondary battery including the negative electrode active material.

Abstract: Disclosed are a method of calculating a cipher and an electronic device performing the method. The method of calculating the cipher according to an embodiment of the present invention includes reading predetermined secret information t and a first intermediate result based on the secret information t, generating a random value k, calculating a second intermediate result l using the secret information t and the random value k, and performing scalar point multiplication using the first intermediate result and the second intermediate result, wherein the first intermediate result is determined at a different time point from the calculating of the second intermediate result l and stored in a chip and/or memory included in the electronic device.

Abstract: An optimization method includes determining first information related to a difference between the color filter spectrum and the color spectrum or a difference between an image transformed by the color transformation matrix and a ground truth (GT) image in the reset color space, determining second information representing smoothness of the color filter spectrum, third information representing a transmittance of the color filter spectrum, calculating a cost value based on the first information, the second information, and the third information, compare the calculated cost value and a threshold, and updating one of the filter spectrum information and the color transformation matrix in response to the calculated cost value being equal to or greater than the threshold.

Abstract: The present invention relates to a multi-component host material and an organic electroluminescent device comprising the same. By comprising a specific combination of the multi-component host compounds, the organic electroluminescent device according to the present invention can provide high luminous efficiency and excellent lifespan characteristics.

Abstract: The present invention relates to a photocurable adhesive film and a preparation method thereof, and provides an adhesive film having excellent peeling adhesion and creep resistance at both room temperature and high temperature and a low modulus at a low temperature of ?20° C. by using an acrylic monomer having a specific structure in a specific content range. Furthermore, since the adhesive film of the present invention may provide folding reliability and stability of a display device, the adhesive film can be usefully applied as an adhesive of a display device, particularly, a foldable display device field.

Abstract: The disclosed gas-liquid separation device separates, from a liquid, gas mixed in the liquid. The gas-liquid separation device includes a body configured to allow mixed fluid to be introduced into a longitudinally central portion thereof, and to have a cylindrical structure having an inner diameter gradually reduced as the body extends from the central portion to opposite ends thereof, a pair of gas discharge pipes respectively provided at the opposite ends of the body and configured to discharge, to an exterior of the body, gas separated from the mixed fluid in an interior of the body, and a pair of liquid discharge pipes respectively provided at the opposite ends of the body and configured to discharge, to the exterior of the body, the mixed fluid from which the gas has been separated.

Abstract: A power conversion circuit includes a first and a second power converters for generating a first and a second driving voltages respectively. The second power converter is a switching converter. In a short-circuit detection mode, the first driving voltage is regulated to the first driving level, and the second power converter is configured to operate in a pulse frequency modulation mode to regulate the second driving voltage to a short-circuit detection level, and when a switching frequency of the second power converter exceeds a threshold frequency, a short-circuit condition between the second driving voltage and the first driving voltage is determined.

Abstract: A digital-to-analog converter (DAC) for generating an output voltage according to an input code includes a first-type and a second-type sub-DAC's connected in series. The first-type sub-DAC includes a first resistor string and plural first switches, and receives a reference current to determine a first voltage drop. The first switches are controlled by a first portion of the input code to determine a voltage division of the first voltage drop. The second-type sub-DAC includes a second resistor string and plural second switches. The second switches are controlled by a second portion of the input code to determine a portion of the second resistor string to receive the reference current, wherein the portion of the second resistor string and the reference current determines a second voltage drop. The output voltage includes a sum of the second voltage drop and the voltage division of the first voltage drop.

Abstract: A gas-liquid separation device has a structure capable of increasing gas-liquid separation performance. The gas-liquid separation device includes: a housing including a fluid inlet passage, a liquid discharge passage, and a gas discharge passage; and a gas-liquid separation unit that is mounted inside the housing, disposed at a rear side of the fluid inlet passage. The gas-liquid separation unit separates a mixed fluid into a liquid and a gas by inducing rotation of the mixed fluid introduced into the housing through the fluid inlet passage. The gas-liquid separation device further includes a flow stabilization member provided at a rear end of the gas-liquid separation unit and configured to maintain a flow state of the liquid and the gas separated by the gas-liquid separation unit.

Abstract: Disclosed are a user terminal and authentication execution device for performing pseudonym 2-factor authentication, and an operating method therefor. The disclosed operating method of the authentication execution device includes receiving a first inborn ID, private key signature information, and a certificate issued by an authentication system from a user terminal, obtaining a second inborn ID and a public key of the user terminal included in the certificate by decrypting the certificate using a public key of the authentication system, performing primary authentication of a user of the user terminal by checking whether the first inborn ID and the second inborn ID match each other, and when the primary authentication is completed, performing secondary authentication of the user by verifying private key signature information with the public key.

Abstract: An electronic device which generates and authenticates identification information of a hardware device and an operation method thereof are disclosed. The operation method of the disclosed electronic device includes determining identification information used for authentication of a hardware device using a public key of the hardware device generated from a private key of the hardware device, and managing the identification information.

Abstract: An apparatus with image processing includes: one or more processors configured to: generate a full sampling image by demosaicing a first color filter array (CFA)-based input image; based on a trained color conversion model trained for color conversion and noise suppression of the full sampling image, determine a bias and a conversion matrix corresponding to each pixel of the full sampling image; and based on the conversion matrix and the bias, convert a color space of the full sample image, corresponding to the first CFA, into a color space corresponding to a second CFA.

Abstract: A power conversion circuit includes a first and a second power converters for generating a first and a second driving voltages respectively. The second power converter is a switching converter. In a short-circuit detection mode, the first driving voltage is regulated to the first driving level, and the second power converter is configured to operate in a pulse frequency modulation mode to regulate the second driving voltage to a short-circuit detection level, and when a switching frequency of the second power converter exceeds a threshold frequency, a short-circuit condition between the second driving voltage and the first driving voltage is determined.