Abstract: A test apparatus includes a movable stage to support a sample, tips above the stage that have different shapes and alternately perform profiling and milling on the sample, a tip stage connected to a cantilever coupled to the tips, the tip stage to adjust a position of the cantilever, a position sensor to obtain information about a positional relationship between the tips and the sample, a stage controller to control movements of the stage and the tip stage, based on the information about the positional relationship, and a tip controller to select the tips for performing the profiling or milling and to determine conditions for performing milling, wherein a depth of the sample being processed by the milling in the first direction is controlled based on a relationship between a distance between the tips and the sample and a force between the tips and the sample.
Type:
Application
Filed:
April 15, 2022
Publication date:
December 22, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Inventors:
Sungyoon RYU, Seungbum HONG, Kwangeun KIM, Hoon KIM, Jiwon YEOM, Seokjung YUN, Souk KIM, Younghoon SOHN, Yusin YANG
Abstract: A processor-implemented method with image analysis includes: receiving a test image; generating a plurality of augmented images by augmenting the test image; determining classification prediction values for the augmented images using a classifier; determining a detection score based on the classification prediction values; and determining whether the test image corresponds to anomaly data based on the detection score and a threshold.
Type:
Application
Filed:
January 13, 2022
Publication date:
December 8, 2022
Applicants:
Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
Abstract: A method according to one embodiment includes generating one or more key tables based on a first seed value; generating one or more secret values from a tweak value based on the one or more key tables; and performing encryption or decryption using the one or more secret values. An apparatus according to one embodiment includes a key table generator configured to generate one or more key tables based on a first seed value, a secret value generator configured to generate one or more secret values from a tweak value based on the one or more key tables, and an encryptor/decryptor configured to perform encryption or decryption using the one or more secret values.
Type:
Grant
Filed:
October 26, 2019
Date of Patent:
December 6, 2022
Assignees:
SAMSUNG SDS CO., LTD., Korea Advanced Institute of Science and Technology
Inventors:
Duk-Jae Moon, Ji-hoon Kwon, Joo-Young Lee
Abstract: The present disclosure provides a quantum dot (QD) light emitting diode including: a first electrode; a second electrode facing the first electrode; a QD emitting material layer positioned between the first electrode and the second electrode and including a QD and an organic material; a hole auxiliary layer positioned between the first electrode and the QD emitting material layer; and an electron auxiliary layer positioned between the QD emitting material layer and the second electrode, wherein the organic material has a highest occupied molecular orbital (HOMO) level higher than a material of the hole auxiliary layer.
Type:
Application
Filed:
July 28, 2022
Publication date:
November 24, 2022
Applicants:
LG DISPLAY CO., LTD., Korea Advanced Institute of Science and Technology
Inventors:
Kyu-Nam KIM, Duk-Young JEON, Hyun-Jin CHO, Sun-Joong PARK
Abstract: An image processing method and an image processing apparatus are disclosed. An image processing method according to an embodiment includes the steps of: obtaining a position of a user's hand; and controlling a virtual window on the basis of the position of the hand.
Type:
Grant
Filed:
October 18, 2018
Date of Patent:
November 22, 2022
Assignee:
Korea Advanced Institute of Science and Technology
Abstract: Disclosed are a video processing method and a device therefor. The video processing method may include receiving a video comprising a plurality of temporal portions, receiving a first model parameter corresponding to a first neural network to process the video entirely, receiving residues between the first model parameter and a plurality of second model parameters corresponding to a plurality of second neural networks to process the plurality of temporal portions, and performing at least one of super-resolution, reverse or inverse tone mapping, tone mapping, frame interpolation, motion deblurring, denoising, and compression artifact removal on the video based on the residues.
Type:
Application
Filed:
July 3, 2020
Publication date:
November 17, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: The present invention relates to mouse antibodies that bind to angiopoietin-2 (Ang2), humanized anti-Ang2 antibodies derived therefrom, and the use thereof. The anti-Ang2 antibodies have a dual function of activating the Tie2 receptor together with neutralizing Ang2. The anti-Ang2 antibodies show the property of normalizing abnormal and pathological blood vessels, and thus exhibits therapeutic efficacy against various diseases and disorders associated with abnormal blood vessels. The present invention further provides an angiogenesis inhibitor and a composition for treatment of diseases associated with abnormal Ang2 expression and Tie2 dysregulation, which comprise the antibody as an active ingredient, and a composition for diagnosing diseases associated with Ang2 inhibition and Tie2 activation, which comprises the antibody.
Type:
Grant
Filed:
August 17, 2020
Date of Patent:
November 15, 2022
Assignees:
Institute for Basic Science, Korea Advanced Institute of Science and Technology
Inventors:
Gou Young Koh, Jeomil Bae, Mi Jeong Kim, Jin-Sung Park, Su Jin Seo, Jaeryung Kim, Jang Ryul Park, Pilhan Kim, Wangyuhl Oh
Abstract: A method and a system for synthesizing a novel-view image based on multiple 360 images for 6DOF virtual reality, in which a large-scale 6-DOF virtual environment is implemented, and a scene is synthesized at a novel viewpoint, are provided. The method includes performing a 3D reconfiguration procedure for the 360 images to recover 3D geometric information, and to reconfigure a virtual data map in which the multiple 360 images are integrated into one image, producing a view image corresponding to a viewpoint of a user by applying a view synthesis algorithm of projection & vertex warping process using a reference image which is closest to a viewpoint extracted from the virtual data map, and blending view images for 6DoF through a section formula for inner split based on a distance between a position of the reference image and a position of the viewpoint.
Type:
Application
Filed:
February 18, 2020
Publication date:
November 10, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: Various embodiments relate to an optical detection element and GOI (Ge-on-insulator) device for ultra-small on-chip optical sensing, and a manufacturing method of the same. According to various embodiments, the optical detection element and the GOI device may be implemented on a GOI structure comprising a germanium (Ge) layer, and the GOI device may be implemented to have an optical detection element. Specifically, the GOI device may include a GOI structure with a waveguide region comprising a germanium layer, a light source element configured to generate light for the waveguide region, and at least one optical detection element configured to detect light coming from the waveguide region. At least one slot configured to collect light from the light source element may be formed in the germanium layer in the waveguide region. The light source element may generate light so as to be coupled to the germanium layer in the waveguide region.
Type:
Application
Filed:
February 25, 2022
Publication date:
November 10, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: Disclosed is a quantitative susceptibility mapping image processing method using an unsupervised learning-based neural network and an apparatus therefor. The quantitative susceptibility mapping image processing method includes receiving a phase image and a magnitude image for reconstructing the quantitative susceptibility mapping image, and reconstructing the quantitative susceptibility mapping image corresponding to the received phase image and the received magnitude image using an unsupervised learning-based neural network, and the neural network may be generated based on an optimal transport theory.
Type:
Application
Filed:
April 1, 2022
Publication date:
November 10, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: The composite according to the present invention comprises: a mesoporous inorganic support having vacancy defects; and metal alloy nanoparticles dispersed in and bound to the mesoporous inorganic support and containing a precious metal element and an earth rare element. The composite according to the present invention has a very high specific surface area since the alloy is dispersed and present in the form of ultrafine nanoparticles in the porous support, and thus can show remarkably improved activity when used as a material for a chemical reaction, including a catalyst.
Type:
Application
Filed:
September 29, 2020
Publication date:
November 10, 2022
Applicants:
Institute For Basic Science, Korea Advanced Institute of Science and Technology
Inventors:
Ryong Ryoo, Jaeheon Kim, Changbum Jo, Jeongchul Kim
Abstract: In a method of manufacturing a biomimetic highly stretchable conductive dry adhesive patch, a mold including a plurality of holes is provided by etching a semiconductor substrate including an insulation layer based on a footing effect. A conductive polymer composite is provided by dispersing mixed conductive fillers in a liquid elastomer. The mixed conductive fillers are formed by mixing one-dimensional conductive fillers and two-dimensional conductive fillers. The conductive polymer composite is applied on the mold such that the conductive polymer composite is injected into the plurality of holes. A conductive dry adhesive structure including a plurality of micropillars corresponding to the plurality of holes is obtained by performing a post-treatment on the conductive polymer composite applied on the mold and by removing the mold. Each of the plurality of micropillars includes a body portion and a tip portion.
Type:
Grant
Filed:
February 5, 2018
Date of Patent:
November 8, 2022
Assignee:
Korea Advanced Institute of Science and Technology
Inventors:
Seok-woo Jeon, Tae-Hoon Kim, Dong-hwi Cho, Junyong Park
Abstract: A thickness prediction network learning method includes measuring spectrums of optical characteristics of a plurality of semiconductor structures each including a substrate and first and second semiconductor material layers alternately stacked thereon to generate sets of spectrum measurement data, measuring thicknesses of the first and second semiconductor material layers to generate sets of thickness data, training a simulation network using the sets of spectrum measurement data and the sets of thickness data, generating sets of spectrum simulation data of spectrums of the optical characteristics of a plurality of virtual semiconductor structures based on thicknesses of first and second virtual semiconductor material layers using the simulation network, each of the first and second virtual semiconductor layers including the same material as the first and second semiconductor material layers, respectively; and training a thickness prediction network by using the sets of spectrum measurement data and the sets
Type:
Grant
Filed:
November 8, 2019
Date of Patent:
November 8, 2022
Assignees:
Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
Abstract: Disclosed are a method of inspecting and evaluating a coating state of a steel structure, and a system therefor. A plurality of vision images and thermal images are acquired. While acquiring the thermal images, a desired region is heated. After the thermal images and the vision images in a dynamic state are reconstructed into a time-spatial-integrated thermal image and a time-spatial-integrated vision image in a static state, respectively, an overlay image is generated by overlaying the two images. A deterioration region of a coating is detected, and coating deterioration is classified by characteristics. A size of the coating deterioration region is quantified. A thickness of the coating is inspected by analyzing thermal energy measured from the time-spatial-integrated thermal image. A coating grade is calculated by comprehensively evaluating a coating deterioration inspection result and a coating thickness inspection result. A state evaluation report for the steel structure is automatically created.
Type:
Grant
Filed:
December 21, 2020
Date of Patent:
November 8, 2022
Assignee:
Korea Advanced Institute of Science and Technology
Inventors:
Hoon Sohn, Soonkyu Hwang, Hyeonjin Kim, Hyung Jin Lim
Abstract: Disclosed is a transistor having a structure, in which a channel width is increased, and a manufacturing method thereof. The transistor includes a channel including at least one protrusion part and at least one indentation part, a gate formed to extend in a vertical direction to surround a portion of the channel, a source formed to extend in the vertical direction to surround a portion of the channel while being positioned to be opposite to both sides of the gate, and a drain formed to extend in the vertical direction to surround a portion of the channel while being positioned to be opposite to both sides of the gate.
Type:
Application
Filed:
April 28, 2022
Publication date:
November 3, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: A method for detecting on-off keying symbols includes receiving, by each of distributed Rx nodes, a pilot signal for a pilot symbol transmitted from a transmitter, the distributed Rx nodes constituting the wireless body area communication network, obtaining, by each of the Rx nodes, a reference value using the received pilot signal, transmitting, by each of the Rx nodes, received data signal to a fusion center when the data signal for the on-off keying symbol transmitted from the transmitter is received by each of the Rx nodes, calculating, by the fusion center, a weight of the on-off keying symbol for each of the Rx nodes using the reference value obtained from each of the Rx nodes and the received data signal, and detecting, by the fusion center, the on-off keying symbol transmitted from the transmitter using the weight of the on-off keying symbol calculated for each of the Rx nodes.
Type:
Application
Filed:
November 18, 2021
Publication date:
November 3, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: A method of feedback controlling a 3D printing process in real time, and a system therefor are disclosed. The method includes collecting big data, generated through 3D printing experiments, related to process variables of 3D printing, measurement signals, and 3D printing quality of the 3D printing object; building an artificial neural network model by performing machine-learning based on the collected big data; evaluating whether or not a 3D printing quality of the 3D printing object is abnormal in real time based on an actual measurement signal of the 3D printing object and the artificial neural network model; and feedback controlling printing quality of the 3D printing object in real time based on the evaluation result of whether or not the 3D printing quality of the 3D printing object is abnormal.
Type:
Grant
Filed:
December 17, 2020
Date of Patent:
November 1, 2022
Assignee:
Korea Advanced Institute of Science and Technology
Abstract: A device includes an encoder configured to generate a plurality of feature data by encoding an image; a bottleneck circuit configured to generate enhanced feature data from first bottleneck data among the plurality of feature data; and a decoder configured to generate a depth map corresponding to the image by decoding the enhanced feature data and the plurality of feature data except the first bottleneck data.
Type:
Grant
Filed:
February 5, 2021
Date of Patent:
October 25, 2022
Assignees:
SK hynix Inc., Korea Advanced Institute of Science and Technology (KAIST)
Inventors:
Doyeon Kim, Sihaeng Lee, Janghyeon Lee, Minki Jo, Junmo Kim
Abstract: An interface for optical communication, including an input waveguide in which light input from an outside is guided, an output waveguide including a first part abutting against one end of the input waveguide and a second part connected to the first part and a substrate including a Buried oxide (BOX) layer connected to a lower side of the output waveguide, wherein the one end of the input waveguide includes a tapered structure of which a cross-sectional area is reduced by a predetermined angle.
Type:
Application
Filed:
August 12, 2021
Publication date:
October 20, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: Disclosed are a method of uniformly dispersing nickel-plated conductive particles of a single layer within a polymer film by applying a magnetic field to the polymer film and a method of fabricating an anisotropic conductive film using the same. The method of fabricating a film may include forming a liquefied polymer layer by roll-to-roll coating a polymer solution in which a plurality of conductive particles has been mixed, dispersing the plurality of conductive particles included in the liquefied polymer layer by applying a magnetic field to the liquefied polymer layer, and fabricating a solid polymer layer limiting a movement of the plurality of dispersed conductive particles by drying the liquefied polymer layer in which the plurality of conductive particles has been dispersed.
Type:
Grant
Filed:
May 24, 2019
Date of Patent:
October 18, 2022
Assignee:
Korea Advanced Institute of Science and Technology
Inventors:
Kyung Wook Paik, Dal-Jin Yoon, Junho Byeon