baber/WOPTO huggingface dataset:
Patent WO-2018012879-A1 (WO)
Title: 차량 운전 보조장치
Inventor: CHA KYOUNG HWAN
IPC: B60W40/02
Filed: 2017-07-12
Abstract: 본 발명은, 센서모듈, 영상을 촬영하는 카메라 모듈 및 차량 부착 후, 상기 차량의 전면이 제1 방향으로 위치시 상기 센서모듈에서 측정한 제1 중심축 값 및 상기 제1 방향과 반대되는 제2 방향으로 상기 차량의 전면이 위치시 상기 센서모듈에서 측정한 제2 중심축 값을 기반으로 상기 차량이 위치한 지면의 경사값을 산출하고, 상기 제1, 2 중심축 값 및 상기 경사값 중 적어도 하나로 산출한 상기 센서모듈의 중심축 고정 오차값을 기반으로 상기 영상에서 오브젝트를 추종하기 위한 유효 영역을 결정하는 제어모듈을 포함하는 차량 운전 보조장치를 제공한다.
Patent WO-2018093014-A1 (WO)
Title: 은 나노와이어 필름 및 그 제조방법, 터치스크린 패널 및 그 제조방법
Inventor: KO HYUNHYUB
IPC: G06F3/041
Filed: 2017-07-27
Abstract: 길이 방향이 단방향으로 정렬된 은 나노와이어(A); 및 길이 방향이 무질서한 방향으로 나열된 은 나노와이어(B);를 포함하고, 상기 은 나노와이어(A) 및 상기 은 나노와이어(B)는 각각 복수이고, 하기 식 1을 만족하는 것인, 은 나노와이어 필름이 소개된다. [식 1] [A]/([A]+[B])> 2/3 (상기 식 1에서, [A]는 정렬 방향으로부터 ±15° 이내의 정렬도를 가지는 상기 은 나노와이어(A)의 개수이고, [B]는 정렬 방향으로부터 ±15° 이상의 정렬도를 가지는 상기 은 나노와이어(B)의 개수이다.) 또한, 교차 정렬된 금속 나노와이어를 포함하고, 전압변화를 통해 접촉위치를 인식하는 위치인식층; 및 상기 위치인식층의 상면에 적층되어 외부와의 접촉이 이루어지며, 메카노크로믹(Mechanochromic) 분자를 포함하여 색상의 변화를 통해 접촉강도를 인식하는 강도인식층;을 포함하는 터치스크린 패널이 소개된다.
Patent WO-2018062974-A1 (WO)
Title: Dispositif électronique et procédé de gestion de notifications associé
Inventor: GOEL LOWLISH
IPC: H04M1/275
Filed: 2017-09-29
Abstract: L'invention concerne un procédé de gestion de notifications dans un dispositif électronique. Le procédé comprend la réception, par un gestionnaire de notifications, d'au moins une notification en provenance d'une pluralité d'expéditeurs. Le procédé comprend la provocation, par le gestionnaire de notifications, de l'affichage d'une représentation graphique comprenant une identité desdites notifications en provenance de chacun des expéditeurs et au moins un indicateur indiquant une identité d'au moins une application correspondant auxdites notifications.
Patent WO-2018080159-A1 (WO)
Title: 스핀 소자, 이의 동작방법 및 이의 제작 방법
Inventor: HONG JIN PYO
IPC: G06N3/063
Filed: 2017-10-25
Abstract: 스핀 궤도 토크에 의해 자구벽 이동을 이용한 스핀 시냅스 소자에 관한 구조와 동작 방법이 개시된다. 스핀 궤도 토크를 이용하여 낮은 값의 전류로 소자의 자유층의 자화 반전이 가능하고, 소자의 구조가 종래의 CMOS에 비해 간단하기 때문에 제작이 용이한 효과가 있다. 또한, 자구벽의 이동 외에 다축 이방성의 자유층을 적용한 스핀시냅스 소자가 개시된다. 이를 통해 고정층과 자유층의 사잇각의 크기에 따라 저항의 크기를 조절 할 수 있기 때문에, multi-bit 적용이 용이하고, 인공 시냅스 기술에 응용이 가능하다.
Patent WO-2018117392-A1 (WO)
Title: 심혈관질환 진단을 위한 융합 영상 획득 시스템
Inventor: KIM JONG WON
IPC: A61B8/08
Filed: 2017-10-27
Abstract: 본 발명은 심혈관질환 진단을 위한 융합 영상 획득 시스템에 관한 것으로, 본 발명에 의하면, 초음파 및 광 신호를 통해 융합 영상 획득이 이루어짐으로써, 종래의 혈관 내 영상 획득 시스템이 갖는 장점들을 가짐과 동시에 우수한 분해능을 가지는 영상과 병변의 조직학적 특징정보의 획득이 가능하여 혈관 내 병변 진단의 정확성이 높아질 수 있는 효과가 있다.
Patent WO-2018182149-A1 (WO)
Inventor: CHOI YANG GYU
IPC: A45D44/00
Filed: 2018-01-10
Abstract: The present invention relates to a mask pack. The mask pack of the present invention is convenient to use since the contents of the mask pack are not put on the hand during handling, and the mask pack is hygienic and has excellent adhesion to skin and feeling of use. In addition, the mask pack is immersed in a high-viscosity dosage form, such as cream, and thus can be utilized as a high-moisturizing and high-nourishing pack.
Patent WO-2019124644-A1 (WO)
Title: Connector for vinyl greenhouse opening/closing motor
Inventor: CHOI SEONG NAM
IPC: A01G9/26
Filed: 2018-04-06
Abstract: The present invention relates to a connector for a vinyl greenhouse opening/closing motor. Particularly, the present invention relates to a connector for a vinyl greenhouse opening/closing motor, which connects an opening/closing motor for generating and transmitting power in order to automatically open and close a vinyl greenhouse, and a winding pipe around which the vinyl of the vinyl greenhouse is wound to be rolled, wherein: in normal conditions, the connector has a function of connecting the opening/closing motor and the winding pipe; and when the opening/closing motor loses a function due to a blackout, a fire, a control panel trouble, and the like, the connector releases the connected opening/closing motor and couples another operation means thereto to enable manual operation thereof.
Patent WO-2018199540-A1 (WO)
Title: 투명 가용화 화장료 조성물 및 이의 제조방법
Inventor: CHOI DONGWON
IPC: A61Q19/00
Filed: 2018-04-18
Abstract: 본 발명은 무계면활성제 시스템의 향료를 포함하는 투명 가용화 화장료 조성물 및 이의 제조방법에 관한 것으로, 본 발명에 따르면 투명성 및 경시 안정성이 우수하고, 피부에 대한 안전성 및 청량감과 산뜻함이 높은 투명 가용화 화장료 조성물을 제공할 수 있다.
Patent WO-2018194383-A1 (WO)
Inventor: SEO JI YEON
IPC: C08J7/046
Filed: 2018-04-19
Abstract: The present invention relates to a UV coating composition, which is environmentally-friendly while having physical properties equal to or higher than those of a conventional petrochemical-based UV coating composition, by introducing a biomaterial into the UV coating composition.
Patent WO-2018212527-A1 (WO)
Title: 대기압 플라즈마 장치
Inventor: KIM SEONG YOUNG
IPC: H01J37/32
Filed: 2018-05-14
Abstract: 본 개시는 다양한 피부 트러블을 개선 또는 피부 미용을 위한 플라즈마 장치에 관한 것으로, 플라즈마 분사 장치가 본체 컨트롤러와 독립하여 연결된 원격형의 플라즈마 장치를 개시한다. 플라즈마는 상온의 대기압에서 발생한다. 본 개시의 플라즈마 장치는 유전체 배리어를 포함하며, 안정적인 글로우 방전을 유지할 수 있다. 대기압 플라즈마는 모두 접지 전극을 통과하여 분사되므로, 피부에 전기적인 자극을 전혀 주지 않는다.
Patent WO-2019235662-A1 (WO)
Title: Wheel bearing and wheel bearing assembly
Inventor: SONG JAE MYEONG
IPC: B60B27/00
Filed: 2018-06-07
Abstract: According to one embodiment of the present invention, provided is a wheel bearing used for rotatably mounting a vehicle wheel on a vehicle body. A wheel hub of a wheel bearing, according to one embodiment of the present invention, includes a hub flange extending radially outward, wherein the hub flange has an end-face toothed-part at an end surface located on a wheel side, and thus can be tooth-coupled to a corresponding end-face toothed-part formed at the wheel. According to one embodiment of the present invention, the end-face toothed-part provided at the hub flange of the wheel hub is formed such that a plurality of teeth are spaced apart and arranged in a circumferential direction, and a sealing member for sealing a gap formed between the hub flange and the wheel can be provided at the radial outer side of the end-face toothed-part of the hub flange.
Patent WO-2018230973-A1 (WO)
Title: Dispositif électronique comprenant une antenne
Inventor: SUNG SANG BONG
IPC: H01Q1/38
Filed: 2018-06-14
Abstract: L'invention concerne un ensemble antenne dans un véhicule. L'ensemble antenne comprend un premier plan comprenant un premier bord et un deuxième bord se prolongeant parallèlement l'un à l'autre dans une première direction, un deuxième plan espacé du premier plan qui chevauche le premier plan et comprenant un troisième bord se prolongeant le long du premier bord, et un quatrième bord se prolongeant le long du deuxième bord, une couche non conductrice intercalée entre le premier plan et le deuxième plan, et une pluralité de circuits de communication sans fil connectés électriquement à l'ensemble antenne. Le premier motif conducteur et le deuxième motif conducteur sont positionnés en diagonale au niveau de coins opposés l'un à l'autre comme vu depuis le dessus du premier plan, et le troisième motif conducteur et le quatrième motif conducteur sont positionnés en diagonale l'un contre l'autre sans chevauchement avec les premier et deuxièmes motifs conducteurs, comme vu depuis le dessus du premier plan.
Patent WO-2019103274-A1 (WO)
Inventor: PARK JINYOUNG
IPC: C08G73/10
Filed: 2018-07-20
Abstract: 본 발명은 실리콘 웨이퍼 상에서 스트레스 변화율이 낮은 폴리이미드 필름에 관한 것으로서, 폴리이미드 기판상에 고온공정에서 무기막을 증착하는 공정에 있어서 폴리이미드의 응력변화에 의해 발생될 수 있는 크랙형성을 최소화시킬 수 있으며, 이로인해 플렉서블 디스플레이의 복원잔상과 전류저하와 같은 전기적 특성의 저하를 감소시킬 수 있다.
Patent WO-2019039790-A1 (WO)
Title: Cold-and-warm mask with heating pipes, having metal surface coated with ceramic for facial aesthetic treatment
Inventor: CHEON AN
IPC: A61K47/69
Filed: 2018-08-16
Abstract: According to the present invention, an antimicrobial metal and a ceramic material are used to manufacture a mask (inner liner), wherein an enamel ceramic material is used using a 3D scanning technique so that the mask conforms to the face shape of a user, and a 3D scanner is used so that the mask conforms to the face shape of the user. A heat diffusion member, a thermoelectric element, and an exterior cover are attached in order to the mask so that cold-and-warm can be applied as needed, wherein the thermoelectric element is configured such that heat exchange is conducted by a fan in which forced ventilation is achieved, and thus the weight and volume of the mask can be reduced to improve the wearability of the mask and alleviate the inconvenience of using the mask.
Patent WO-2019045334-A1 (WO)
Title: Drill device for removing plugging inside pipe
Inventor: PARK JONG HYUK
IPC: F16L55/00
Filed: 2018-08-17
Abstract: The present invention relates to a device which can safely remove plugging even in a state where combustible gas or combustible liquid remains inside a pipe and delicately remove plugging even with a small force.
Patent WO-2019045422-A1 (WO)
Title: Hypertube transport system
Inventor: LEE KWAN SUP
IPC: B60L13/10
Filed: 2018-08-28
Abstract: Disclosed is a hypertube transport system. Specifically, disclosed are a magnetically-levitated train and an infrastructure-system in which same travels, the present invention comprising: refrigerant for cooling compressed air of a hypertube train, and a compressed air cooling system utilizing the refrigerant; an apparatus and method for controlling trains operating in a vacuum tube; superconducting switches for superconducting magnets for magnetic levitation; a driving stability apparatus for the hypertube transport system; a control apparatus for trains of the hypertube transport system; and an energy harvester.
Patent WO-2019160233-A1 (WO)
Title: Decking module including quick clip module
Inventor: LEE KYEONG JUN
IPC: E01C15/00
Filed: 2018-12-19
Abstract: The present invention relates to a decking module including a quick clip module. In order to achieve the above objective, a decking module including a quick clip module, according to an embodiment of the present invention, may comprise: a deck block having a plate shape extending in a first direction and having a deck groove formed in both sides thereof in the first direction; a bottom structure disposed at a lower portion of the deck block in a second direction intersecting the first direction; and a quick clip module connected to a side surface of the bottom structure, thereby providing a decking module including a quick clip module that is convenient to install and can be installed very quickly.
Patent WO-2020145414-A1 (WO)
Inventor: KIM JUNG WOO
IPC: G02C5/14
Filed: 2019-01-07
Abstract: The present invention provides a structure of an eyeglass frame for preventing damage and easy storage. A structure of an eyeglass frame according to an embodiment of the present invention comprises: a main body part, in which lenses are fitted, having hinge support parts protruding to both sides; a cam plate fitted to the hinge support parts and having a plurality of positioning grooves formed on the outer circumferential surface thereof; and temples coupled to the main body part and the cam plate and including a fixing pin selectively inserted into any one of the positioning grooves and two support pins surrounding the fixing pin and the cam plate, wherein the temples are rotatably installed with respect to the main body part and the cam plate.
Patent WO-2019160387-A1 (WO)
Title: Method for transmitting uplink control information in wireless communication system, and apparatus using same
Inventor: CHOI KYUNGJUN
IPC: H04L5/00
Filed: 2019-02-18
Abstract: A base station of a wireless communication system is disclosed. The wireless communication base station respectively comprises a communication module and a processor. The processor changes a downlink (DL) bandwidth part (BWP) on the basis of a physical downlink control channel (PDCCH) for instructing a change of the DL BWP when receiving the PDCCH for instructing the change of the DL BWP, does not include, in a PDSCH candidate set, a physical downlink shared channel (PDSCH) scheduled by a PDCCH having been received before the reception of the PDCCH for instructing the change of the DL BWP, and transmits, to the base station of the wireless communication system, a semi-static hybrid automatic repeat request (HARQ)-ACK codebook including HARQ-ACK information of a PDSCH corresponding to the PDSCH candidate set.
Patent WO-2019177286-A1 (WO)
Inventor: LEE JOOHYUCK
IPC: B01J37/02
Filed: 2019-02-26
Abstract: Un procédé de production d'un catalyseur de revêtement à base de ferrite selon un mode de réalisation de la présente invention comprend une étape de mélange d'un support, d'un catalyseur à base de ferrite, et d'eau dans une machine de revêtement, qui est un rotor, le rapport en poids de l'eau par rapport au poids total du support étant de 0,15 à 0,3.
Patent WO-2019190185-A1 (WO)
Title: Time series data learning and analyzing method using artificial intelligence
Inventor: OH KYU SAM
IPC: A61B5/00
Filed: 2019-03-27
Abstract: A time series data learning and analyzing method using artificial intelligence is provided. A time series data analyzing method, according to one embodiment of the present invention, is performed by a computing device and can comprise the steps of: inputting a feature of each unit into an intermediate artificial neutral network with respect to each of the plurality of units in which time series data is split at a time axis; obtaining m (m is a natural number of 2 or greater) dimensional intermediate output data from the intermediate artificial neutral network; inputting, into a final artificial neutral network, the intermediate output data of a plurality of units that are temporally immediately adjacent, so as to obtain final output data outputted from the final artificial neutral network; and generating an analysis result of the time series data by using the final output data.
Patent WO-2019199037-A1 (WO)
Title: Decoration member and method for manufacturing same
Inventor: JO PILSUNG
IPC: A45D33/18
Filed: 2019-04-09
Abstract: The present application relates to a decoration member and a method for manufacturing same.
Patent WO-2019225981-A1 (WO)
Title: Composition comprising herb extract as effective ingredient for prevention, alleviation, or treatment of somnipathy
Inventor: LEE MI YOUNG
IPC: A61K36/185
Filed: 2019-05-23
Abstract: The present invention relates to a composition comprising a herb extract as an effective ingredient for prevention, alleviation, or treatment of somnipathy and, more particularly, to a composition comprising a Hibiscus syriacus extract as an effective ingredient for prevention, alleviation, or treatment of somnipathy. The Hibiscus syriacus extract of the present invention has the effect of improving time asleep, which is shortened by stress, and decreasing a blood corticosterone level, which is increased by stress, while increasing a serotonin level. In addition, GABAR A α1 expression in the cerebral cortex, which is reduced by stress, is significantly increased in a group to which the Hibiscus syriacus extract is administered. Therefore, the composition comprising a Hibiscus syriacus extract an an effective ingredient can be advantageously used as a health function food or pharmaceutical composition for prevention, alleviation, or treatment of somnipathy.
Patent WO-2020075965-A1 (WO)
Inventor: CHOI EUNSEOK
IPC: H04N21/485
Filed: 2019-08-14
Abstract: An electronic device is provided. The electronic device includes a communicator comprising communication circuitry; a speaker; and a processor configured to control the electronic device to: output a first sound via the speaker and control the communicator to transmit a control signal to output a second sound to an external sound output device, receive from an external remote control a first recorded signal obtained by recording the first sound output via the speaker and the second sound output via the external sound output device, obtain information for adjusting output volume of at least one of the speaker or the external sound output device based on the first recorded signal, control the speaker to output a first test sound and the communicator to transmit a control signal to output a second test sound to the external sound output device based on the obtained information, receive from the external remote control a second recorded signal obtained by recording the first test sound output via the speaker and the second test sound output via the external sound output device, and identify an output delay time of the external sound output device based on the second recorded signal.
Patent WO-2020076099-A1 (WO)
Inventor: RYU JI-HOON
IPC: H01M10/058
Filed: 2019-10-10
Abstract: A composite electrolyte membrane according to the present invention has a phase-change layer disposed on a surface facing an electrode such as a positive electrode. The phase-change layer can lower the resistance at the interface of the electrolyte membrane and the electrode by liquefying a filling material through heating by raising the battery internal temperature, for example, and filling a separated portion (dead space), that is, a portion in which physical contact is severed between the positive electrode and the composite electrolyte membrane.
Patent WO-2020080860-A1 (WO)
Title: Device and method for receiving and measuring wireless signal
Inventor: CHO MINSUNG
IPC: H04B17/30
Filed: 2019-10-17
Abstract: The disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure is to receive and measure a wireless signal, and provides a device for measuring a wireless signal. The device includes a first antenna set including a plurality of antennas having adjustable oriented directions, a second antenna set including a plurality of antennas having fixed oriented directions, and at least one processor configured to receive and analyze wireless signals by using the first antenna set and the second antenna set, wherein the at least one processor may adjust the oriented directions of the plurality of antennas included in the first antenna set, receive the wireless signals by using the first antenna set and the second antenna set, and control to analyze the wireless signals.
Patent WO-2021095977-A1 (WO)
Title: Highly adhesive and low-dialectric polyimide film and method for producing same
Inventor: BACK SUNG-YUL
IPC: C08G73/10
Filed: 2019-12-02
Abstract: The present invention provides a method for producing highly adhesive and low-dialectric polyimide film, the method comprising the steps of: producing a polyamic acid solution; producing a polyamic acid composition by adding a dehydrating agent and an imidization catalyst to the polyamic acid solution; and creating a film on a support by means of the polyamic acid composition and thermosetting in a heating furnace, wherein the thermosetting step comprises at least first, second, and third heating steps, and the processing temperature range for each heating step is 100-550℃.
Patent WO-2020130611-A1 (WO)
Title: Dispositif de mesure de concentration de gaz et procédé de mesure de concentration
Inventor: YOO DO JOON
IPC: G01N27/407
Filed: 2019-12-18
Abstract: La présente invention concerne un dispositif de mesure de concentration de gaz. La présente invention concerne également un procédé de mesure de concentration de gaz faisant appel à un dispositif de mesure de concentration de gaz. Ledit dispositif de mesure de concentration de gaz comprend : un chemin d'expiration par lequel s'écoule le gaz expiré; une chambre à échantillon gazeux qui est en communication avec le chemin d'expiration et dans laquelle un échantillon gazeux qui est une partie du gaz expiré s'écoulant dans le chemin d'expiration est introduit; un capteur de gaz à semi-conducteur qui est disposé dans la chambre à échantillon gazeux et qui comprend un capteur pour générer un signal électrique en fonction de la concentration du gaz en cours de mesure et un élément chauffant pour chauffer le capteur; et un dispositif de commande qui commande l'élément chauffant et reçoit le signal électrique provenant du capteur de gaz à semi-conducteur pour calculer la concentration du gaz en cours de mesure. Le procédé de mesure de concentration de gaz comprend : a) une étape d'échauffement pour chauffer le capteur par application d'énergie électrique à l'élément chauffant; b) une étape de détermination de stabilisation pour mesurer une valeur de résistance du capteur dans un état dans lequel une puissance de chauffe d'étape de mesure (Pm) est appliquée à l'élément chauffant; c) une étape d'introduction de gaz expiré dans le chemin d'expiration; d) une étape d'attente de mesure pour appliquer la puissance de chauffe d'étape de mesure (Pm) à l'élément chauffant; et e) une étape consistant à calculer la concentration du gaz en cours de mesure par réception du signal électrique provenant du capteur de gaz à semi-conducteur, lorsque le gaz expiré est introduit dans le chemin d'expiration. S'il est déterminé que le capteur est stable à l'étape b), alors l'étape e) est effectuée après l'étape b), et s'il est déterminé que le capteur est instable à l'étape b), alors l'étape c), l'étape d) et l'étape e) sont exécutées séquentiellement après l'étape b).
Patent WO-2020159137-A1 (WO)
Inventor: SEO DONG JIN
IPC: F04D25/16
Filed: 2020-01-21
Abstract: 본 발명의 실시예에 따른 이중 회전익을 구비한 에어 서큘레이터는 공기가 흡입되는 흡입구와 공기가 배출되는 배출구가 형성된 케이스 조립체; 상기 케이스 조립체의 내부에 고정되게 결합되는 흡기모터 및 상기 흡기모터에 의해 회전구동되 는 흡기팬을 포함하는 흡기팬 조립체; 및 상기 케이스 조립체의 내부에 고정되게 결합되는 배기모터 및 상기 배기모터에 의해 회전구동되는 배기팬을 포함하는 배기 팬 조립체를 포함하며, 상기 배기팬의 회전수가 상기 흡기팬의 회전수보다 더 큰 것을 특징으로 한다.
Patent WO-2021020678-A1 (WO)
Inventor: JANG JAEWON
IPC: A47L11/40
Filed: 2020-01-29
Abstract: La présente invention concerne un dispositif de nettoyage comprenant : un corps pourvu d'un trou d'insertion ouvert en direction du sol, un espace d'installation formé dans ledit corps communiquant avec le trou d'insertion, et ledit corps constituant l'aspect du dispositif de nettoyage ; et un module de balayage, qui est assemblé de manière amovible dans l'espace d'installation par l'intermédiaire du trou d'insertion. Le module de balayage comprend un boîtier à poussières comprenant un espace de collecte pour collecter des matières étrangères sur le sol, et un espace de stockage pour stocker les matières étrangères collectées dans l'espace de collecte ; et un agitateur, qui est assemblé de manière rotative au boîtier à poussières et est agencé dans l'espace de collecte de façon à collecter des matières étrangères sur le sol, l'espace de stockage étant agencé devant l'espace de collecte tandis que l'agitateur est agencé dans l'espace de collecte. La présente invention est avantageuse en ce que l'espace de collecte est agencé derrière l'espace de stockage dans le corps, qui est de forme presque circulaire lorsqu'il est vu en plan, ce qui permet de minimaliser l'interférence avec le corps d'une structure lorsque l'appareil de nettoyage est tourné, et de maximiser la zone nettoyée au moyen de l'agitateur.
Patent WO-2020222617-A1 (WO)
Inventor: LEE BAE KEUN
IPC: H04N19/176
Filed: 2020-05-04
Abstract: A video decoding method, according to the present invention, comprises the steps of: deriving an L0 motion vector and an L1 motion vector of a current block; deriving an L0 prediction sample and an L1 prediction sample for a first position inside the current block on the basis of the L0 motion vector and the L1 motion vector; determining whether to apply a bidirectional optical flow to the current block; deriving a refined motion vector for a subblock which comprises the first position, when it is determined to apply the bidirectional optical flow; deriving a refined prediction sample for the first position on the basis of the refined motion vector; and obtaining a prediction sample for the first position by using the L0 prediction sample, the L1 prediction sample, and the refined prediction sample.