Abstract: The present disclosure relates to a coating method of implant using parylene, for coating a surface of a dental implant, including a pretreating step of pretreating the implant; and a coating step of coating a surface of the pretreated implant with a coating material to form a polymer coating layer, wherein the coating material is provided as parylene.

Abstract: An apparatus and method for controlling operation of screenless elevator is provided. An apparatus for controlling operations of a screenless elevator includes: a display unit that displays a first image including a dial-shaped image; a hologram projection unit that displays a second image in the air, projecting the first image; a motion recognition unit that emits light to the second image and receives light reflected by a hand gesture of a user from the second image to recognize hand gesture of the user; and an operation control unit that controls operations of the elevator according to hand gesture of the user.

Abstract: The present disclosure relates to an apparatus for providing a metaverse service using hologram and a method for controlling the same. The apparatus may include a housing; a plurality of displays installed on each side of the housing at a predetermined angle with respect to a vertical direction and displaying an image; a hologram plate disposed on an upper side of the housing in a horizontal direction and projecting an image displayed on each display as a holographic image in air above each of the displays; a non-contact sensor disposed on top of at least one of the plurality of displays to detect a user's non-contact input; and a controller for processing the user's non-contact input detected through the non-contact sensor. The present disclosure allows a more realistic service by providing a metaverse service using hologram and does not require to wear an additional device, thereby reducing users' inconvenience. In addition, as holographic image is provided in a plurality of directions (e.g.

Abstract: Provided are a hologram touch display device and a hologram touch gesture control method. A hologram touch display device according to an embodiment of the present disclosure includes: a space projector configured to project a keypad hologram having a plurality of key buttons in air; a touch recognition part configured to emit light to the keypad hologram, receive the light reflected by a touch gesture of a user at the keypad hologram to detect a touch position of the user with respect to the keypad hologram, and determine keypad touch information of the user according to the touch position; and a touch controller configured to perform control such that an external device connected over a network operates on the basis of the keypad touch information.

Abstract: A nucleic acid sequencing system may include non-planar substrates coupled to the outer surface of a rotating drum. The substrates may be curved and include a plurality of nucleic acid samples. A detection system, including for example an objective and a camera, may detect sequencing events on the non-planar substrate while the non-planar substrate is rotated relative to the detection system around a longitudinal axis of the drum by the actuation system.

Abstract: The present disclosure relates to a method for removing residual acid of implant that has been surface treated using acid, the method including thermal decomposition step of thermally decomposing and removing the acid remaining on the implant; base treatment step of treating the acid remaining on the implant with base, thereby neutralizing and removing the acid; and washing step of washing and removing the acid and the base remaining on the implant with washing water. According to the present disclosure, the acid remaining on the surface of the fixture can be effectively removed, and thus there is an effect of preventing the problem of bone loss that may occur near the placed implant.

Abstract: The present disclosure relates to a coating method of implant using parylene, for coating a surface of a dental implant, including a pretreating step of pretreating the implant; and a coating step of coating a surface of the pretreated implant with a coating material to form a polymer coating layer, wherein the coating material is provided as parylene. According to the present disclosure, a parylene thin film may be uniformly coated on the surface of the dental implant, and according to such a thin film, the growth of anaerobic bacteria can be effectively inhibited in spaces where the fixture and the upper structure of the dental implant are joined to each other, and where the upper structure and the crown are joined to each other.

Abstract: The present disclosure relates to a method for removing residual acid of implant that has been surface treated using acid, the method including thermal decomposition step of thermally decomposing and removing the acid remaining on the implant; base treatment step of treating the acid remaining on the implant with base, thereby neutralizing and removing the acid; and washing step of washing and removing the acid and the base remaining on the implant with washing water. According to the present disclosure, the acid remaining on the surface of the fixture can be effectively removed, and thus there is an effect of preventing the problem of bone loss that may occur near the placed implant.

Abstract: A nucleic acid sequencing system may include a substrate coupled to a rotating disk. The substrate may include a plurality of nucleic acid samples. A detection system, including for example an objective and a camera, may detect sequencing events on the substrate while the substrate is rotated relative to the detection system around a rotational axis of the substrate, perpendicular to a surface of the substrate, by the actuation system.

Abstract: Provided are a hologram touch display device and a hologram touch gesture control method. A hologram touch display device according to an embodiment of the present disclosure includes: a space projector configured to project a keypad hologram having a plurality of key buttons in air; a touch recognition part configured to emit light to the keypad hologram, receive the light reflected by a touch gesture of a user at the keypad hologram to detect a touch position of the user with respect to the keypad hologram, and determine keypad touch information of the user according to the touch to position; and a touch controller configured to perform control such that an external device connected over a network operates on the basis of the keypad touch information.

Abstract: An apparatus and a method for providing a streaming video by an application program are provided. A method for providing a streaming video by an application program includes a step of selecting two or more cloud game streaming videos according to a preset condition from amon11lity of cloud game streaming videos output by executing a plurality of cloud game application programs from among a plurality of cloud games, a step of generating one integrated streaming video by combining the selected two or more cloud game streaming videos such that the two or more cloud game streaming videos are output on one screen, and a step of extracting cloud game videos in respectively different progress situations corresponding to the cloud game requested to be executed by two or more user terminals from among the integrated streaming videos and providing the cloud game video to a corresponding user terminal.

Abstract: A system for managing smart cards is disclosed. A system for managing smart cards, comprises a key management server for managing at least one master key used to grant the right to manage a smart card which operates in conjunction with a mobile terminal, and generates an installation key, used to grant the right to install or store a predetermined applet, based on the master key, and a card management server for receiving the generated installation key, and provides the applet to the mobile terminal based on the installation key in response to a request from the mobile terminal.

Abstract: A method of for issuing a radio frequency (RF) card key of an authentication server is disclosed. The method includes receiving an encrypted serial number of a smart card from a mobile terminal, decrypting the encrypted serial number, extracting an RF card key corresponding to the decrypted serial number, encrypting the RF card key, and transmitting the encrypted RF card key to the mobile terminal.

Abstract: Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes an OTA server for, when OTA data is requested by a mobile terminal, encrypting the requested OTA data using a preset OTA key depending on the type of the requested OTA data, and creating a message for providing the encrypted OTA data; and a message center for receiving the created message, and sending the created message to the mobile terminal.

Abstract: A method for sorting cells in a biological sample comprising a first type of cells and a second type of cells may comprise introducing the biological sample into a chamber comprising a first surface and a second surface, wherein the first surface is associated with a transparent electrode and the second surface is associated with a photoconductive portion of an electrode. The method may further comprise moving incident light and the photoconductive portion relative to one another so as to illuminate regions of the photoconductive portion and modulate an electric field in the chamber in proximity to the illuminated regions. The method may further comprise separating the first type of cells from the second type of cells in the chamber via dielectrophoretic movement of the first type of cells and the second type of cells caused by the modulated electric field, wherein a dielectrophoretic characteristic of at least one of the first type of cells and the second type of cells has been modified.

Abstract: A method of for issuing a radio frequency (RF) card key of an authentication server is disclosed. The method includes receiving an encrypted serial number of a smart card from a mobile terminal, decrypting the encrypted serial number, extracting an RF card key corresponding to the decrypted serial number, encrypting the RF card key, and transmitting the encrypted RF card key to the mobile terminal.

Abstract: Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes a mobile terminal for, when a message is received from an OTA server, dividing OTA data, included in the message, into data segments of a predetermined size depending on a size of the message, and a smart card for receiving each of the data segments, decrypting the data segment using a preset OTA key, and storing the decrypted OTA data in a preset area.

Abstract: An image display apparatus and a color distortion compensation method are provided. The image display apparatus includes a detecting part which detects whether there is a color distortion in a block, using decoding information acquired from an incoming image and a pixel value of the incoming image, and a compensation part which compensates for the color distortion of the block when it is determined that the color distortion exists. Accordingly, it is possible to detect a color distortion in the block using the decoding information and pixel value acquired from the incoming image, and compensate for the color distortion of the block by performing pixel value adjustment and low pass filtering (LPF) when it is determined that the color distortion exists.

Abstract: Provided are an image processing method and apparatus for enhancing contrast. The image processing apparatus includes a determination unit that determines whether contrast enhancement processing should be performed on an input image; an intensity mapping unit that generates a plurality of images having different exposure times from the input image, using intensity mapping, if the contrast enhancement processing should be performed on the input image; and an image composition unit that composes the plurality of images into a composed image. Therefore, it is possible to reduce a color change or a false contour phenomenon that are generated in a related art contrast enhancement process.

Abstract: A method of improving picture quality in a composite video burst signal includes dividing the composite video burst signal into a plurality of frequency bands using a low pass filter and a high pass filter, performing wavelet packet filtering of frequency bands including a chrominance signal having energy higher than a specified threshold among the plurality of frequency bands, and performing Wiener filtering of frequency bands including a chrominance signal having energy lower than a specified threshold.