Abstract: A ship resistance reduction apparatus using air is disclosed. The objective of the present invention is to spray air at the bottom side of a ship to cause generated bubbles to remain at the bottom side thereof, and thus reduce frictional resistance to water, so that an increase in sailing speed and an improvement in fuel efficiency are promoted. The present invention suctions the air generated during ship maneuvering without using a separate driving source while having a simple structure, to form, at the bottom side of the bottom of the ship, an air layer comprising air bubbles, and thus can be economically manufactured and increase operating efficiency.

Abstract: The present invention relates to a binaural beat sound output device having an improved sound field and a method therefor and, more specifically, to: a brainwave sound output device using binaural beats, which receives music desired by a user and applies binaural beats to a specific frequency band thereof, so that the device can provide the music through a stereo sound source while inducing a desired brainwave state by the stereo sound source, and thus can improve the sound field without the sense of rejection or monotony to the music; and a method therefor.

Abstract: Provided are a method and apparatus for displaying a translucent image. An image display apparatus detects a plurality of voxels overlapping in a depth direction in three-dimensional (3D) image data, determines a first combination ratio for two colors based on transparency values of a first voxel and a second voxel, generates a first mixed color by combining a color of the first voxel with a color of the second voxel at the first combination ratio, and displays a mixed color on a screen.

Abstract: The system includes a metric map creation unit configured to create a metric map using first image data received from a 3D sensor, an image processing unit configured to recognize an object by creating and classifying a point cloud using second image data received from an RGB camera; a probability-based map production unit configured to create an object location map and a spatial semantic map in a probabilistic expression method using a processing result of the image processing unit, a question creation unit configured to extract a portion of high uncertainty about an object class from a produced map on the basis of entropy and ask a user about the portion, and a map update unit configured to receive a response from the user and update a probability distribution for spatial information according to a change in probability distribution for classification of the object.

Abstract: The present invention relates to a portable probe for photoacoustic tomography, capable of performing line-by-line scanning or area-by-area scanning by using a small number of light inputs; and a real-time photoacoustic tomography device. The probe for photoacoustic tomography includes: a lens receiving light inputs from an optical fiber so as to make the same proceed as small diameter parallel light; a Powell lens receiving the small diameter parallel light and generating a line beam of a predetermined thickness, and allowing energy dispersed on a line to be uniform on the entire line; a lens making the line beam pass therethrough such that the line beam has a predetermined width and a reduced thickness so as to be line-focused at a target area; an acoustic reflection glass for separating, from a light path, an acoustic wave outputted from the target area; and an acoustic measurement unit for measuring acoustic strength.

Abstract: The polymer electrolyte membrane includes: a first ion conductive polymer layer; and a second ion conductive polymer layer disposed on at least one surface of the first ion conductive polymer layer, wherein the first ion conductive polymer layer comprises a first ion conductive polymer comprising a sulfonic acid group, wherein the second ion conductive polymer layer comprises a second ion conductive polymer comprising a carboxylic acid group, and wherein a thickness of the second ion conductive polymer layer is in a range of 1% to 80% of a thickness of the polymer electrolyte membrane. Further, disclosed are the method for preparing the same, the membrane-electrode assembly including the same, and the fuel cell including the same.

Abstract: The present invention relates to a portable probe for photoacoustic tomography, capable of performing line-by-line scanning or area-by-area scanning by using a small number of light inputs; and a real-time photoacoustic tomography device. The probe for photoacoustic tomography includes: a lens receiving light inputs from an optical fiber so as to make the same proceed as small diameter parallel light; a Powell lens receiving the small diameter parallel light and generating a line beam of a predetermined thickness, and allowing energy dispersed on a line to be uniform on the entire line; a lens making the line beam pass therethrough such that the line beam has a predetermined width and a reduced thickness so as to be line-focused at a target area; an acoustic reflection glass for separating, from a light path, an acoustic wave outputted from the target area; and an acoustic measurement unit for measuring acoustic strength.

Abstract: The system includes a metric map creation unit configured to create a metric map using first image data received from a 3D sensor, an image processing unit configured to recognize an object by creating and classifying a point cloud using second image data received from an RGB camera; a probability-based map production unit configured to create an object location map and a spatial semantic map in a probabilistic expression method using a processing result of the image processing unit, a question creation unit configured to extract a portion of high uncertainty about an object class from a produced map on the basis of entropy and ask a user about the portion, and a map update unit configured to receive a response from the user and update a probability distribution for spatial information according to a change in probability distribution for classification of the object.

Abstract: The present invention relates to a binaural beat sound output device having an improved sound field and a method therefor and, more specifically, to: a brainwave sound output device using binaural beats, which receives music desired by a user and applies binaural beats to a specific frequency band thereof, so that the device can provide the music through a stereo sound source while inducing a desired brainwave state by the stereo sound source, and thus can improve the sound field without the sense of rejection or monotony to the music; and a method therefor.

Abstract: The present invention provides an oxygen selective adsorbent containing oxides of BaxSr(1?x)Mgy(CO3)(1+y) or BaxSr(1?x)CO3 particles, increasing transition oxygen partial pressure, and representing high thermal stability and excellent oxygen sorption cavity, by adding another metal such as Sr to Ba which is active element for oxygen adsorption, so as to be capable of desorbing oxygen under lower vacuum even at the same operating temperature than the existing oxygen selective adsorbent; and a preparation method thereof.

Abstract: The present invention relates to a portable probe for photoacoustic tomography, capable of performing line-by-line scanning or area-by-area scanning by using a small number of light inputs; and a real-time photoacoustic tomography device. The probe for photoacoustic tomography includes: a lens receiving light inputs from an optical fiber so as to make the same proceed as small diameter parallel light; a Powell lens receiving the small diameter parallel light and generating a line beam of a predetermined thickness, and allowing energy dispersed on a line to be uniform on the entire line; a lens making the line beam pass therethrough such that the line beam has a predetermined width and a reduced thickness so as to be line-focused at a target area; an acoustic reflection glass for separating, from a light path, an acoustic wave outputted from the target area; and an acoustic measurement unit for measuring acoustic strength.

Abstract: An electronic apparatus is provided. The electronic apparatus includes an output circuit, an input circuit, and a processor. The output circuit is connected to plural speaker devices. The processor controls the output circuit to cause each of the speaker devices to output an audio signal, and identifies whether each of the speaker devices is connected based on the audio signal received through the input circuit.

Abstract: The present invention relates to: a portable probe for photoacoustic tomography, capable of performing line-by-line scanning or area-by-area scanning by using a small number of light inputs; and a real-time photoacoustic tomography device. The probe for photoacoustic tomography includes: a lens receiving light inputs from an optical fiber so as to make the same proceed as small diameter parallel light; a Powell lens receiving the small diameter parallel light and generating a line beam of a predetermined thickness, and allowing energy dispersed on a line to be uniform on the entire line; a lens making the line beam pass therethrough such that the line beam has a predetermined width and a reduced thickness so as to be line-focused at a target area; an acoustic reflection glass for separating, from a light path, an acoustic wave outputted from the target area; and an acoustic measurement unit for measuring acoustic strength.

Abstract: An electronic apparatus is provided. The electronic apparatus includes an output circuit, an input circuit, and a processor. The output circuit is connected to plural speaker devices. The processor controls the output circuit to cause each of the speaker devices to output an audio signal, and identifies whether each of the speaker devices is connected based on the audio signal received through the input circuit.

Abstract: The present invention relates to the field of cancer. More specifically, the present invention provides methods and compositions for treating cancer and predicting patient survival. In one embodiment, a method comprises (a) obtaining a biological sample from the patient; and (b) detecting hypermethylation of ZMIZ1 using primers that specifically bind to CpG island 139 at the alternative promoter of the ZMIZ1 gene.

Abstract: The present invention provides an apparatus for controlling an artificial hand, including: a head-up display interface portion; and a controller which controls the artificial hand in accordance with an input of the head-up display interface portion, the head-up display interface portion receiving the input based on movement of a user's eyes or pupil.

Abstract: The present invention provides an oxygen selective adsorbent containing oxides of BaxSr(1?x)Mgy(CO3)(1+y) or BaxSr(1?x)CO3 particles, increasing transition oxygen partial pressure, and representing high thermal stability and excellent oxygen sorption cavity, by adding another metal such as Sr to Ba which is active element for oxygen adsorption, so as to be capable of desorbing oxygen under lower vacuum even at the same operating temperature than the existing oxygen selective adsorbent; and a preparation method thereof.

Abstract: Disclosed herein are an audio apparatus and method for inducing a brainwave using a binaural beat, including a frequency shift unit for receiving a first audio sound source signal and generating a second audio sound source signal by shifting some of the frequency band of the first audio sound source signal by a specific frequency, and an audio output unit connected to the frequency shift unit, for outputting first and second audio output signals corresponding to the first and the second audio sound source signals. Accordingly, a user can hear a music signal or an audio signal for learning without being aware of the distortion of a sound source and can change his or her brainwave state without resistance or monotonousness because a required brainwave state is changed by applying a binaural beat to a specific frequency band of an audio signal, in particular, a music signal.

Abstract: An image processing system in which an image display apparatus and a peripheral device perform bidirectional communication through a single communication line, including a peripheral device connected to a first side of the communication line, the peripheral device being configured to provide a first signal to the communication line; and an image display apparatus connected to a second side of the communication line, the image display apparatus being configured to provide a second signal to the communication line, and to selectively allow the communication line to conduct electricity based on a state of at least one from among the first signal and the second signal in order to perform the bidirectional communication.