Patents Assigned to Electronics and Telecommunications Research Institute
  • Publication number: 20190379906
    Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20190379991
    Abstract: Provided is an apparatus and method for frontal audio rendering in interaction with a screen size, the method including measuring playback environment information used to play back input content; and correcting an audio signal to be output based on the measured playback environment information and production environment information included in the input content.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 12, 2019
    Applicants: Electronics and Telecommunications Research Institute, Kyonggi University Industry & Academia Cooperation Foundation
    Inventors: Jae Hyoun YOO, Seok Jin LEE
  • Publication number: 20190379908
    Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20190377079
    Abstract: Provided is a radar apparatus. The radar apparatus includes a controller configured to generate a variable delay control signal whose value varies with time, a clock generator configured to generate a transmission clock and a reception clock delayed by a delay time varying according to the variable delay control signal than the transmission clock, a transmitter configured to emit a transmission pulse through a transmission antenna based on the transmission clock, a first receiver configured to receive a first echo pulse that the transmission pulse is reflected from a target through a first reception antenna and configured to generate a first recovery signal corresponding to the first echo pulse based on the reception clock, and a second receiver configured to receive a second echo pulse that is the transmission pulse reflected from the target through a second reception antenna and configured to generate a second recovery signal corresponding to the second echo pulse based on the reception clock.
    Type: Application
    Filed: June 7, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Pil Jae PARK, Seongdo KIM
  • Publication number: 20190378716
    Abstract: Provided is an infrared optical sensor including a substrate, a channel layer on the substrate, optical absorption structures dispersed and disposed on the channel layer, and electrodes disposed on the substrate, and disposed on both sides of the channel layer, wherein the channel layer and the optical absorption structures include transition metal dichalcogenides.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Bok Ki MIN, Choon Gi CHOI
  • Publication number: 20190379907
    Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20190379905
    Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: August 21, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20190379459
    Abstract: An embodiment of the inventive concept includes an optical signal generating circuit, a controlling circuit, a waveform shaping circuit, and an output circuit. The optical signal generating circuit generates a first optical signal including pulses. The controlling circuit generates a control signal indicating a first pulse to be attenuated in magnitude among the pulses. The waveform shaping circuit attenuates a magnitude of the first pulse based on the control signal and the first optical signal, and generates a second optical signal including pulses corresponding to the pulses included in the first optical signal and the first pulse having the attenuated magnitude. The output circuit outputs an electric signal of bands corresponding to differences between frequencies of the pulses included in the second optical signal based on the second optical signal. A band corresponding to the first pulse among the bands of the electric signal is adjusted as the magnitude of the first pulse is attenuated.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sungil KIM, Jung Min PARK, Minje SONG, minhyup SONG, Jae-Sik SIM, Joon Tae AHN
  • Publication number: 20190378405
    Abstract: According to the present invention, a method for a travel time predicting apparatus to predict a travel time by using a travel time prediction model, including generating a first prediction model for prediction of a travel time of a vehicle that will pass through a specific area by using first traffic data that are related to a travel speed at the specific area; generating a second prediction model by modifying the first prediction model that relates to the travel speed at the specific area and is different from the first traffic data; and predicting a travel time of the vehicle that will pass through the specific area by using the second prediction model can be provided so that a travel time at which a specific vehicle passes a specific area can be more precisely predicted compared to a conventional art and predicted travel time information can be promptly and precisely provided to the user.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 12, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Yong-Ju LEE
  • Patent number: 10506563
    Abstract: Provided is a method of transmitting control information using a physical uplink shared channel (PUSCH) region in a system employing a multi-input multi-output (MIMO) antenna system in which transmission is performed through a plurality of layers. A method of transmitting a channel quality indicator (CQI)/precoding matrix indicator (PMI) using a PUSCH region in a system employing a MIMO antenna system in which transmission is performed through a plurality of layers includes encoding the CQI/PMI using one channel encoder, and transmitting the encoded CQI/PMI using some or all of the layers. Accordingly, it is possible to transmit uplink control information through a PUSCH region using a plurality of layers.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: December 10, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bang Won Seo, Young Jo Ko, Byung Jang Jeong
  • Patent number: 10505384
    Abstract: Disclosed is a wireless charging apparatus and method, the apparatus including a controller configured to control the wireless charging apparatus, and a transmitter configured to form a rotating magnetic field in a three-dimensional (3D) space in response to a first clock signal and a second clock signal generated under a control of the controller, wherein a phase difference between the first clock signal and the second clock signal is 90 degrees.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: December 10, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang Won Kim, Seong Min Kim, Jung Ick Moon, Sang Bong Jeon, In Kui Cho, Je Hoon Yun, Dong Won Jang, Hyung Do Choi
  • Patent number: 10503190
    Abstract: An energy management method for a residential area, the method comprising, in response to an energy management request from a user who lives in the residential area, collecting environment information and energy information on a household of the user, selecting an imitation target among households which have environment information and energy information similar to the environment information and the energy information on the household of the user from among all households in the residential area, setting a method for applying the energy information on the imitation target, and controlling energy management of the household of the user according to the set method.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: December 10, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Hak Kim, Tae Wook Heo
  • Patent number: 10506453
    Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 10, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yu Ro Lee, Jae Woo Park, Jae Seung Lee, Jee Yon Choi, Il Gyu Kim, Seung Chan Bang
  • Patent number: 10503230
    Abstract: Disclosed herein are a method and apparatus for power scheduling. The disclosed method is a power scheduling method of a power-scheduling apparatus for controlling a partition for at least one application, and the method includes setting a power limit for each partition, monitoring the power consumed by each partition in real time, and when power consumption exceeding the power limit is sensed in any partition as a result of monitoring, controlling an operation for the corresponding partition.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: December 10, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyunwoo Joe, Eunji Pak, Taeho Kim, Chaedeok Lim
  • Patent number: 10505448
    Abstract: A buck-boost converter using a delta-sigma modulator (DSM) includes a buck-boost mode driving circuit configured to receive an input voltage and output an output voltage according to an operation mode, a mode controller configured to sense an output of the buck-boost mode driving circuit and determine the operation mode, and a gate driver configured to receive a mode determination signal for determining the operation mode from the mode controller and control switches included in the buck-boost mode driving circuit. Accordingly, output ripple characteristics thereof can be improved.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: December 10, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Kyun Cho, Myung Don Kim, Seok Bong Hyun
  • Patent number: 10506297
    Abstract: An apparatus and method for broadcast signal frame using a bootstrap including a symbol for signaling a BICM mode and OFDM parameters of a preamble, together are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a time interleaver configured to generate a time-interleaved signal by performing interleaving on a BICM output signal; and a frame builder configured to generate a broadcast signal frame including a bootstrap and a preamble using the time-interleaved signal. In this case, the bootstrap includes a symbol for signaling a BICM mode and OFDM parameters of L1-Basic of the preamble, together.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: December 10, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik Park, Jae-Young Lee, Sun-Hyoung Kwon, Heung-Mook Kim
  • Patent number: 10505567
    Abstract: A parity interleaving apparatus and method for fixed length signaling information are disclosed. A parity interleaving apparatus according to an embodiment of the present invention includes a processor configured to generate a parity bit string for parity puncturing by segmenting parity bits of an LDPC codeword whose length is 16200 and whose code rate is 3/15, into a plurality of groups, and group-wise interleaving the groups using an order of group-wise interleaving; and memory configured to provide the parity bit string for parity puncturing to a parity puncturing unit.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: December 10, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung-Ik Park, Sun-Hyoung Kwon, Jae-Young Lee, Heung-Mook Kim
  • Patent number: 10503828
    Abstract: Provided are a system and method for answering a natural language question which show improved information retrieval performance. The system includes an index unit configured to analyze text of previously stored irregular documents and classify and index the irregular documents according to meanings of sentences or paragraphs, a database configured to receive and store the irregular documents indexed according to the meanings and transmitted from the index unit, a retrieval unit configured to extract an index word by semantically analyzing an input question and search the database for documents related to the extracted index word, and a provision unit configured to generate a correct answer to the question by analyzing the documents searched by the retrieval unit and provide the search results and the correct answer.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: December 10, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Jin Bae, Hyun Ki Kim, Pum Mo Ryu, Hyo Jung Oh, Chung Hee Lee, Soo Jong Lim, Joon Ho Lim, Myung Gil Jang, Mi Ran Choi, Jeong Heo
  • Patent number: 10506009
    Abstract: Disclosed is a technology for providing a content on the basis of DASH adaptive to a variable bandwidth. The present invention may comprise: a bandwidth measurement unit for measuring a bandwidth of a network connected to a terminal at predetermined time intervals; a segment generation unit for generating a plurality of segments, wherein the plurality of segments have a predetermined bitrate difference therebetween; and a media information generation unit for generating a media presentation description which includes information on the representation including the plurality of generated segments, wherein the segment generation unit calculates segment lengths using arithmetic operations on the predetermined time interval and the probability that an ith bandwidth itself among bandwidths of the network measured at the predetermined time intervals is increased or decreased by half of the predetermined bitrate difference, and generates a plurality of segments corresponding to the calculated lengths.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: December 10, 2019
    Assignee: ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Seong-Jun Bae
  • Patent number: 10506253
    Abstract: The image decoding method according to the present invention comprises the steps of: determining the availability of a block adjacent to a current block; configuring a merge candidate list for the current block on the basis of the result of the determined availability; and performing motion compensation for the current block on the basis of the merge candidate list, wherein the step of determining availability comprises the steps of inducing block availability information on the adjacent block and inducing the availability of motion information on the adjacent block, and the step of determining the availability of the adjacent block is such that when there is more than one adjacent block, the availability of adjacent blocks can be determined in accordance with a predetermined order restriction.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: December 10, 2019
    Assignees: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hui Yong Kim, Sung Chang Lim, Jin Soo Choi, Jin woong Kim, Gwang Hoon Park, Kyung Yong Kim