公开(公告)号：US20220094958A1

公开(公告)日：2022-03-24

申请号：US17540290

申请日：2021-12-02

Applicant: Electronics and Telecommunications Research Institute ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jong Ho KIM ,  Hui Yong KIM ,  Se Yoon JEONG ,  Sung Chang LIM ,  Ha Hyun LEE ,  Jin Ho LEE ,  Suk Hee CHO ,  Jin Soo CHOI ,  Jin Woong KIM ,  Chie Teuk AHN ,  Mun Churl KIM ,  Bum Shik LEE

IPC: H04N19/44 ,  H04N19/70 ,  H04N19/46 ,  H04N19/593 ,  H04N19/60 ,  H04N19/18 ,  H04N19/64

Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.

公开(公告)号：US20220092796A1

公开(公告)日：2022-03-24

申请号：US17424811

申请日：2019-02-21

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Junyong Noh ,  Julie Alfonsine E. Lelong ,  Bumki Kim ,  Hanui Lee ,  Gukho Kim ,  Mohammad Reza Karimi Dastjerdi ,  Allen Kim ,  Jiwon Lee

IPC: G06T7/277 ,  G06T7/00 ,  G06T5/00

Abstract: An image processing device according to one embodiment estimates first optical flow information of a pixel unit on the basis of consecutive frames, and estimates a polynomial model corresponding to the optical flow information. The image processing device estimates second optical flow information of holes included in the frames on the basis of the polynomial model, and inpaints an input image on the basis of the first optical flow information and/or the second optical flow information.

公开(公告)号：US11271426B2

公开(公告)日：2022-03-08

申请号：US17096169

申请日：2020-11-12

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seungyoung Ahn ,  Chan Jun Park ,  Jaehyoung Park ,  Yujun Shin ,  Sungryul Huh ,  Bomson Lee

IPC: H02J50/05 ,  H02J50/00 ,  B64C39/02

Abstract: According to one embodiment of the present disclosure, there is provided a capacitive coupler structure, including: power transmitters, each including a first metal plate and a second metal plate, and power receivers, each including a third metal plate and a fourth metal plate, where the first metal plate and the third metal plate form a first capacitor, the second metal plate and the fourth metal plate form a second capacitor, and each center of gravity of the first metal plate through the fourth metal plate is aligned on a single vertical line, and the first metal plate through the fourth metal plate form capacitive couplings.

公开(公告)号：US11268210B2

公开(公告)日：2022-03-08

申请号：US16925674

申请日：2020-07-10

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sung-Yool Choi ,  Woonggi Hong ,  Gi Woong Shim

IPC: C30B25/02 ,  C30B31/18 ,  C23C16/30 ,  C30B29/46

Abstract: The present disclosure provides a method for preparing a transition metal chalcogenide including: a step of forming a transition metal chalcogenide thin film; and a step of controlling the defects of the transition metal chalcogenide thin film by injecting a processing gas including oxygen and nitrogen to the formed transition metal chalcogenide thin film.

公开(公告)号：US11262287B2

公开(公告)日：2022-03-01

申请号：US17142529

申请日：2021-01-06

Applicant: Korea Advanced Institute of Science and Technology ,  The Wave Talk, Inc.

Inventor： YongKeun Park ,  JongHee Yoon ,  KyeoReh Lee ,  Young Dug Kim

IPC: G01N15/06 ,  C12Q1/18 ,  G01N33/483 ,  G01N15/00

Abstract: Provided is a sample property detecting apparatus including: a wave source configured to irradiate a wave towards a sample; a detector configured to detect a laser speckle that is generated when the wave is multiple-scattered by the sample, at every time point that is set in advance; and a controller configured to obtain a temporal correlation that is a variation in the detected laser speckle according to time, and to detect properties of the sample in real-time based on the temporal correlation, wherein the detector detects the laser speckle between the sample and the detector or from a region in the detector.

公开(公告)号：US11250600B2

公开(公告)日：2022-02-15

申请号：US16245180

申请日：2019-01-10

Applicant: Korea Advanced institute of Science and Technology

Inventor： Jong Chul Ye ,  Eun Hee Kang

IPC: G06K9/00 ,  G06T11/00 ,  G06T5/00 ,  G06T5/50 ,  G06T5/10

Abstract: A method for processing an X-ray computed tomography (CT) image using a neural network and an apparatus therefor are provided. An image reconstruction method includes receiving low-dose X-ray CT data, obtaining an initial reconstruction image for the received low-dose X-ray CT data using a predetermined analytic algorithm, and reconstructing a denoised final image using the obtained initial reconstruction image and a previously trained neural network.

公开(公告)号：US11241592B2

公开(公告)日：2022-02-08

申请号：US16021805

申请日：2018-06-28

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyunjoo Lee ,  HyungGuk Kim ,  Seongyeon Kim

IPC: A61B8/00 ,  A61N1/04 ,  A61N7/00 ,  A61N1/05

Abstract: Disclosed is a method and apparatus for more locally stimulating a desired stimulation region in a predetermined part of an object, the apparatus including a first ultrasonic wave generator configured to output a first ultrasonic beam to a predetermined part of an object, a second ultrasonic wave generator configured to output a second ultrasonic beam to the predetermined part of the object, and a controller configured to control the first ultrasonic wave generator and the second ultrasonic wave generator such that central axes of the first ultrasonic wave generator and the second ultrasonic wave generator are disposed on the same plane, and a crossing angle between the first ultrasonic beam and the second ultrasonic beam is a predetermined angle.

公开(公告)号：US11231395B2

公开(公告)日：2022-01-25

申请号：US16467829

申请日：2017-12-08

Applicant: Kyungpook National University Industry-Academic Cooperation Foundation ,  Daegu Gyeongbuk Institute of Science and Technology ,  Korea Advanced Institute of Science and Technology

Inventor： Shin Yoon Kim ,  Jun Young Kim ,  Anna Seo ,  Hee Sung Lee ,  Jae Youn Hwang ,  Sangyeon Youn ,  Jae Suk Choi ,  Min Kyu Je

IPC: A61B17/86 ,  G01N29/07 ,  A61F2/32 ,  B06B1/06 ,  G01B17/02 ,  H02J50/10 ,  A61B17/00 ,  A61F2/48

Abstract: A smart screw according to an embodiment may comprise: a screw main body which penetrates an artificial joint including a shell disposed on a hip joint of an object and a liner disposed on the inner surface of the shell and is then inserted into the hip joint; a transducer including a coupling layer that senses a sound wave signal reflected from the liner, a piezo-electric layer formed to determine a frequency of the sound wave signal, and a sound absorbing layer for absorbing the sound wave signal; and a processing module for generating a sound wave signal toward the liner and receiving the sound wave signal sensed by the coupling layer, measuring the thickness of the liner on the basis of the received sound wave signal, and transferring data about the measured thickness of the liner to the outside.

公开(公告)号：US20220021916A1

公开(公告)日：2022-01-20

申请号：US17174506

申请日：2021-02-12

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Dong Su HAN ,  Hyun Ho YEO ,  Young Mok JUNG ,  Chan Ju CHONG

IPC: H04N21/2343 ,  H04N21/2662 ,  H04L29/06

Abstract: The present disclosure seeks to perform real-time video streaming on a mobile device toward maintaining user QoE even under bandwidth constraints while being acceptable to the lightweight computing capacity of the mobile device. To this end, the embodiments apply deep neural network-based SR to a small number of pre-selected video frames and utilize the video frames to which SR is applied to enhance the resolution of the remaining frames, wherein the pre-selected frames are chosen for SR within a preset quality margin. Additionally, the present disclosure provides an apparatus and a method for SR acceleration for real-time video streaming under the lightweight computing capacity and video-specific constraints of a mobile device, which allow a server to deliver multiple options on a deep neural network and a cache profile including SR application information and enable the mobile device to select an option suitable for its computing capacity.

公开(公告)号：US20220014208A1

公开(公告)日：2022-01-13

申请号：US17159197

申请日：2021-01-27

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jaehyouk CHOI ,  Taeho SEONG ,  Yongsun LEE ,  Chanwoong HWANG ,  Hangi PARK

IPC: H03M3/00 ,  G04F10/00

Abstract: Disclosed is an integrated circuit, which includes a DTC block including DTCs, receiving a first reference signal and a first division signal, and outputting a second reference signal and a second division signal based on the first reference signal, the first division signal, and control codes, a TDC comparing phases of the second reference signal and the second division signal and outputting a comparison signal, a digital loop filter filtering the comparison signal, an oscillator generating an output signal based on the filtered comparison signal, a delta-sigma modulator outputting a first signal and a quantized noise signal based on first and second division ratio signals, a divider dividing a frequency of the output signal based on the first signal and outputting the first division signal, and a probability modulator generating the control codes based on the quantized noise signal. Probability density functions of the control codes are time-invariant.