Abstract: There is provided a method for creating multimodal training datasets for predicting characteristics of a user by using pseudo-labeling. According to an embodiment, the method may acquire a labelled dataset in which an image of a user is labelled with personality information and may extract a multimodal feature vector from the image of the acquired labelled dataset, may acquire an un-labelled dataset in which an image of a user is not labelled with personality information and may extract a multimodal feature vector from the image of the acquired un-labelled dataset, may measure a similarity between the extracted multimodal feature vector of the labelled dataset and the multimodal feature vector of the un-labelled dataset, and may label the un-labelled dataset based on the measured similarity. Accordingly, by creating multimodal training datasets for predicting a user personality by using pseudo-labeling, training datasets may be obtained rapidly, economically and effectively.

Abstract: There is provided a method for predicting a user personality by mapping multimodal information on a personality expression space. A personality prediction method according to an embodiment extracts a multimodal feature from an input image in which a user appears, maps the extracted multimodal feature on a personality expression space, and predicts a personality of the user based on a result of mapping. Accordingly, a personality of a user may be more exactly predicted through establishment of a correlation between user's various behavior characteristics and personalities.

Abstract: There is provided a user personality prediction method using pre-obtained personality indicators and time-series information. According to an embodiment, a personality prediction method may acquire personality indicators representing personalities of a user, may acquiring external features of the user as time-series data, may train a personality prediction model with correlations between the acquired external features and the personality indicators, and may predict personality indicators of the user from the external features of the user by using the trained personality prediction model. Accordingly, a personality of a user is predicted in real time based on external features extracted in real time, and hence, personality prediction may be performed flexibly in response to a subtle change in AU intensities acquired as time-series data.

Abstract: There is provided a customized personality agent system evolving according to a satisfaction of a user. An interactive service providing method according to an embodiment provides an interactive AI service to a user by using an agent that is selected from a plurality of agents based on a state of personality of the user, and evaluates a satisfaction of the user and trains the agent that provides the interactive service. Accordingly, by searching an agent that has an optimal personality suited to a state of personality of a user and providing an interactive AI service, service quality may be enhanced. Also, by rewarding and training an agent that provides a service based on a satisfaction of a user who receives the service, the personality of the agent may evolve to be well suited to a personality of the user.

Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm??[Equation 1] ?size(|crystallite sizeIB?crystallite sizeFWHM|)?20??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.

Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.

Abstract: A method for replicating a holographic optical element and a holographic optical element replicated thereby are provided. The holographic optical element is larger than a master. The master has a holographic grating pattern generated on the master by interference of the reflected, diffracted or transmitted beam generated by irradiating the master having a specific diffraction grating pattern formed thereon with a laser beam.

Abstract: A method for counting coughs is provided. The method includes acquiring a plurality of onset signals from the sound signal, wherein the onset signal has a predetermined time length; acquiring a plurality of spectrograms corresponding to each of the plurality of onset signals; determining whether each of the acquired plurality of spectrograms represents a cough using a cough determination model; and calculating a number of coughs included in the sound signal based on a time point of a cough signal. The cough signal is an onset signal corresponding to one spectrogram determined to represent the cough. When a time interval between a first time point of a first cough signal and a second time point of a second cough is within a reference time interval, the first cough signal and the second cough signal are regarded as one cough signal at the first time point.

Abstract: A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.

Abstract: The present invention relates to a cosmetic composition for improving skin conditions that has an effect of enhancing skin defense, improving skin moisturizing, and strengthening a skin barrier, and has an antimicrobial activity. According to the present invention, production and activities of antimicrobial peptides in keratinocytes may be significantly increased, growth of Staphylococcus may be effectively inhibited, and a synergy effect may be imparted to gene expression of a skin moisturizing factor and an intercellular binding factor, such that a synergistic effect in improving skin conditions may be obtained without side effects.

Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.

Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm??[Equation 1] ?size(|crystallite sizeIB?crystallite sizeFWHM|)?20??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.

Abstract: The present invention relates to an interferon gene stimulator composition containing an indolizine derivative as an active ingredient. The composition may overcome the problem of low disease control rate, unlike the use of a cyclic-di-nucleotide alone. Specifically, since the composition contains the cyclic-di-nucleotide together with the compound of Formula 1, it may exhibit high activity even when a low concentration of the cyclic-di-nucleotide is used.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: A holographic optical element, a method for manufacturing the same and an apparatus for producing the same are provided. More particularly, the holographic optical element is capable of enhancing the brightness of an augmented image. In one example, the holographic optical element includes a plurality of optical elements combined together and has interference patterns recorded on the plurality of optical elements, respectively.

Abstract: A display device capable of minimizing a light loss occurring due to photodiffraction by scattering, through a light scattering unit, light outputted by a light output unit in a given direction is provided. A part for the display device includes a light scattering unit configured to scatter light, and a light guide unit configured to expand the scattered light in a given direction. The light guide unit includes a light guide, a first optical element disposed on one surface or other surface of the light guide and a second optical element disposed on the one surface or the other surface of the light guide.

Abstract: Provided are a cosmetic composition for promoting lipid biosynthesis, a cosmetic composition for inducing differentiation of adipose precursor cells or stem cells into adipocytes, and a cosmetic composition for moisturizing the skin, all of which include an amide-based compound. The cosmetic composition according to the present invention can promote the lipid biosynthesis and can promote expression of PPAR-? and cluster of differentiation 44, which are markers for labeling human adipose tissue-derived stem cells, to promote differentiation of the adipose tissue-derived stem cells into mature adipocytes, thereby improving a decreased volume and an impaired function of an adipose tissue caused due to the involution of the adipose tissue and giving a synergistic effect to the expression of a skin moisturizing factor.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: Provided is a cosmetic composition for protection of the skin against reactive oxygen species, ultraviolet rays, or blue light, which includes an amide-based compound. The cosmetic composition according to the present invention can effectively inhibit cell damage caused by the reactive oxygen species, the ultraviolet rays, or the blue light and protect the skin without irritating the skin, and can simultaneously aid in recovering the damaged skin.

Abstract: An optical film, a polarizing plate including the same, and an optical display apparatus including the same are provided. An optical film includes a first layer and a second layer stacked on a lower surface of the first layer via a first primer layer, the first primer layer being formed of a first composition including a first urethane-based polymer and a first isocyanate-based curing agent, the first urethane-based polymer including a repeat unit derived from a first alicyclic isocyanate-based compound, and the first isocyanate-based curing agent including a first isocyanate trimer.