Abstract: A host includes: an index tree storing an index including information for identifying a versioning key; and an index update buffer storing a write key included in data subject to a write request and the versioning key corresponding to the write key. When a preset update condition is satisfied, the host transfers the versioning key stored in the index update buffer to the index tree, and when the index update buffer requires recovery, the host designates a recovery section of memory of the storage device including data corresponding to the versioning key which has not been updated to the index tree, to be read by a plurality of threads, reads data included in the recovery section from the storage device through the plurality of threads, and inserts the read data into the index update buffer to recover the index update buffer.

Abstract: A method of forming a transition metal dichalcogenide thin film on a substrate includes treating the substrate with a metal organic material and providing a transition metal precursor and a chalcogen precursor around the substrate to synthesize transition metal dichalcogenide on the substrate. The transition metal precursor may include a transition metal element and the chalcogen precursor may include a chalcogen element.

Abstract: Provided is a memory management system based on a non-uniform memory access, which includes: a first persistent memory disposed in a first node; a second persistent memory disposed in a second node physically distinguished from the first node; a first journaling process disposed in the first persistent memory; and a second journaling process disposed in the second persistent memory.

Abstract: Disclosed is a copolymer as PAES-g-PEG or PAEK-g-PEG as an arylene-based polymer having ion conductivity and mechanical strength and having a functional group as a substituent at a chain-end of PEG, wherein the functional group includes one selected from a group consisting of a hydroxyl group (—OH), methacrylate (-MA), a double hydroxyl group (-2OH), a nitrile group (—CN) and an ionic liquid group (-PYRTFSI). Further, disclosed is a solid electrolyte membrane for a secondary battery including the copolymer and thus having improved ion conductivity, lithium ion transport ability, and excellent mechanical strength.

Abstract: The present invention relates to a positively-charged body for a triboelectric generator and a triboelectric generator including the same. More particularly, the present invention relates to a positively-charged body based on a two-dimensional material including silicon oxide, and to a triboelectric generator including such a positively-charged body. Thus, a conventional manner in which the positively-charged body is mainly composed of a metal thin film or polymer is not used, but the positively-charged body is made of the silicon oxide and the two-dimensional material. Thus, charge generation efficiency of the generator via contact between the positively-charged body and a negatively-charged body may be dramatically enhanced.

Abstract: Disclosed herein is a device of self-diagnosing breast cancer with an artificial intelligence and with no assistance from a physician, the present disclosure provides a thermographic ultrasound scanner device that guides a proper posture correction of an ultrasound scanner with an augmented reality that delivers feedback control commands to a patient who self-diagnoses through a smart mirror and enables a patient to self-diagnose breast cancer by an artificial intelligence neural network that has been learned by thermographic and ultrasound images, and a method of self-diagnosing using the same.

Abstract: The present invention relates to a polymerase chain reaction (hereinafter, referred to as ‘PCR’) disc apparatus for performing a PCR on a compact disc and an analysis method using the same, more specifically to a PCR disc apparatus and an analysis method using the same that are capable of allowing micro-needle tunnelling channels and different types of chambers to be integratedly arranged on a compact disc to perform DNA or RNA amplification, so that in a situation such as Coronavirus disease pandemic, a user can perform PCR analysis of non-face-to-face easily even at home to permit a doctor to remotely check PCR analysis results through the Internet network.

Abstract: The present disclosure relates to an upconversion nanoparticle, which is represented by the following Chemical Formula 1 and comprises a nanoparticle doped with lanthanide ion: Li3ZrF7:Ln3+[??Chemical Formula 1] where Ln is a lanthanide element selected from the group consisting of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and combinations thereof.

Abstract: An embodiment of the present disclosure provides an ion battery electrode material that significantly improves scan rate, capacity exhibiting, safety, and energy density compared to conventional ion batteries by manufacturing bulk POM in a layered structure in which bulk POM is uniformly distributed in several nanometers on the surface of rGO/PPy, and a method for synthesizing ion battery electrode materials.

Abstract: An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.

Abstract: According to an exemplary embodiment of the present disclosure, a pressure sensing device using a sensor based on a Wheatstone bridge includes: a half Wheatstone bridge unit including two variable resistors of which resistance values are changed according to an environmental change; a variable capacitor unit electrically connected to the half Wheatstone bridge unit and generating RC delays for two variable resistors, respectively; an amplifier amplifying respective charging voltages charged after a time of the respective RC delays; and a comparator comparing the amplified charging voltages and outputting the compared charging voltages as digital values. As a result, an intraocular pressure sensing device is further miniaturized and has smaller power loss.

Abstract: A method and an apparatus for video coding using a video-characteristic-based context model are disclosed. The video coding method and the video coding apparatus determine a context model optimized for an individual video on the basis of information in which various characteristics of the individual video are reflected in entropy encoding and decoding using context adaptive binary arithmetic coding (CABAC).

Abstract: A video decoding method is disclosed for decoding a current block by using intra-prediction. The method includes: decoding related information including an intra-prediction mode of the current block from a bitstream; depending on the presence or absence of a reference sample at a position to be referenced in a first prediction direction indicated by an intra-prediction mode, determining a direction for the intra-prediction in consideration of a second prediction direction different than the first prediction direction; generating a prediction block of the current block by performing the intra-prediction according to the direction for the intra-prediction; reconstructing a residual block of the current block from the bitstream; and reconstructing the current block by adding the prediction block and the residual block.

Abstract: Provided is random access method, performed by terminal for uplink data transmission during random access process between cellular based machine communication terminal and base station. The method includes performing random access process between cellular based machine communication terminal and base station, and the random access process includes selecting random access resource by considering coverage level and whether to support multi-tone transmission or not.

Abstract: A video coding method and apparatus adaptively determine spatial resolution for a horizontal component and a vertical component of a motion vector or block vector indicating a position of a reference block when performing inter prediction or intra block copy (IBC) of a current block. The video coding method and apparatus separately determine each spatial resolution for a plurality of motion vectors.

Abstract: A video coding method and an apparatus using an adaptive order of intra sub-partitions are provided. The video coding method and apparatus adaptively determine an encoding/decoding order of subblocks based on at least one of a shape of the subblock, a size of the subblock, a sub-splitting direction, and a prediction mode in performing intra prediction of the subblocks split from a current block using an ISP mode.

Abstract: An image decoding method for decoding a current block by using intra prediction includes: decoding information related to a chroma intra prediction mode of the current block from a bitstream; determining the chroma intra prediction mode by using a basic intra prediction mode set and an alternative mode according to a first luminance intra prediction mode corresponding to the current block and the related information; generating a prediction block of the current block by using the chroma intra prediction mode; reconstructing a residual block of the current block from the bitstream; and reconstructing the current block by adding the prediction block and the residual block. The alternative mode is adaptively determined.

Abstract: A method and an apparatus for video coding using intra sub-block prediction of a chroma block are disclosed. The video coding method and the apparatus adaptively apply a sub-block split method, transmission information, and a transform method in performing intra prediction on chroma signals of a current block using an intra sub-partitions (ISP) mode.

Abstract: According to various embodiment of the present invention, in a diagnosis system including a sensing module that senses the state of a motor is installed in a car, disclosed are a method for determining failure of a motor in a car comprising the steps of: (a) acquiring sensed values by sensing the state variables of the motor by the sensing module; (b) extracting two or more feature values by converting the sensed values acquired by the sensing module; (c) converting the two or more feature values into scaled feature values based on at least one scaling algorithm; and (d) determining a state of the motor based on a learned labeling algorithm and the scaled feature value, and setting a label representing the state of the motor to the scaled feature value corresponding to the state of the motor.

Abstract: A method of manufacturing an integrated circuit device includes alternately stacking sacrificial semiconductor layers and channel layers on a substrate to form a stack structure, forming source regions and drain regions on both sides of the stack structure, forming a gate space between the channel layers by removing the sacrificial semiconductor layers, forming the channel layers to be spaced apart from each other in a perpendicular direction to the substrate, performing a plasma treatment of boron trichloride (BCL3) on the channel layers, forming gate dielectric layers on the channel layers on which the plasma treatment of boron trichloride (BCL3) is performed, and forming gate layers covering the gate dielectric layers in the gate space.