Patents by Inventor Nac-woo Kim
Nac-woo Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10478091Abstract: Provided is a micro robot position detection device. The device includes a micro robot position detection unit that uses a micro robot control parameter to filter a reflected signal of an ultra wide-band impulse radar signal emitted to a micro robot to extract, as a micro robot signal, a natural oscillating frequency signal generated when the micro robot is driven through control of external electromagnetic field, and analyzes the micro robot signal based on a transmission and reception parameter of the ultra wide-band impulse radar signal to calculate position information for the micro robot. Also, the device may further include an image matching unit that receives position information for the micro robot and performs position correction on the received position information based on pre-stored reference image data and the image data.Type: GrantFiled: February 29, 2016Date of Patent: November 19, 2019Assignee: Electronics and Telecommunications Research InstituteInventors: Hong Yeon Yu, Nac Woo Kim, Sim-Kwon Yoon, Byung-Tak Lee, Young Sun Kim
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Patent number: 9743106Abstract: Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data.Type: GrantFiled: August 27, 2014Date of Patent: August 22, 2017Assignee: Electronics and Telecommunications Research InstituteInventors: Nac Woo Kim, Chie Teuk Ahn, Byung Tak Lee, Young Sun Kim
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Publication number: 20160270691Abstract: Provided is a micro robot position detection device. The device includes a micro robot position detection unit that uses a micro robot control parameter to filter a reflected signal of an ultra wide-band impulse radar signal emitted to a micro robot to extract, as a micro robot signal, a natural oscillating frequency signal generated when the micro robot is driven through control of external electromagnetic field, and analyzes the micro robot signal based on a transmission and reception parameter of the ultra wide-band impulse radar signal to calculate position information for the micro robot. Also, the device may further include an image matching unit that receives position information for the micro robot and performs position correction on the received position information based on pre-stored reference image data and the image data.Type: ApplicationFiled: February 29, 2016Publication date: September 22, 2016Inventors: Hong Yeon YU, Nac Woo KIM, Sim-Kwon YOON, Byung-Tak LEE, Young Sun KIM
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Patent number: 9217670Abstract: Provided are an apparatus and method for recognizing an object on the basis of property information on an object obtained using a multi-wavelength spectrometer. An apparatus for recognizing an object using a multi-wavelength spectrometer includes an image processing unit configured to extract an region of interest from an input three-dimensional image and output shape information on the region of interest, a light irradiation unit configured to irradiate light of a plurality of wavelengths to an arbitrary position of an object corresponding to the detected region of interest, a light receiving unit configured to measure a spectrophotometric value for each light of the plurality of wavelengths, and a light processing unit configured to generate a differential spectrophotometric map using a differential value between spectrophotometric values of different wavelengths measured at the same light irradiation position, and recognize the object using the differential spectrophotometric map and the shape information.Type: GrantFiled: June 17, 2014Date of Patent: December 22, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nac Woo Kim, Byung Tak Lee, Mun Seob Lee, Sim Kwon Yoon, Young Sun Kim
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Patent number: 9135566Abstract: In a sensor network, a sensor data processing apparatus generates a feature vector identifier table by classifying feature vector identifiers of a plurality of situation information determination reference data to be a reference of situation determination according to a sensor type index and a feature vector identifier set index of the plurality of situation information reference data. When the sensor data processing apparatus receives sensor data, the sensor data processing apparatus generates a feature vector identifier of the sensor data and extracts a sensor type index and a feature vector identifier set index of a feature vector identifier most similar to the feature vector identifier of sensor data with reference to a feature vector identifier table, and generates situation recognition information using the extracted sensor type index and feature vector identifier set index.Type: GrantFiled: August 30, 2012Date of Patent: September 15, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Hong Yeon Yu, Sim-Kwon Yoon, Nac Woo Kim, Byung-Tak Lee, Young Sun Kim
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Publication number: 20150177066Abstract: Provided are an apparatus and method for recognizing an object on the basis of property information on an object obtained using a multi-wavelength spectrometer. An apparatus for recognizing an object using a multi-wavelength spectrometer includes an image processing unit configured to extract an region of interest from an input three-dimensional image and output shape information on the region of interest, a light irradiation unit configured to irradiate light of a plurality of wavelengths to an arbitrary position of an object corresponding to the detected region of interest, a light receiving unit configured to measure a spectrophotometric value for each light of the plurality of wavelengths, and a light processing unit configured to generate a differential spectrophotometric map using a differential value between spectrophotometric values of different wavelengths measured at the same light irradiation position, and recognize the object using the differential spectrophotometric map and the shape information.Type: ApplicationFiled: June 17, 2014Publication date: June 25, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nac Woo KIM, Byung Tak LEE, Mun Seob LEE, Sim Kwon YOON, Young Sun KIM
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Publication number: 20150168135Abstract: Provided is an automatic texture recognition apparatus. The automatic texture recognition apparatus includes a light irradiation unit irradiating, to a subject, a light modulation pattern generated according to a synchronization control signal and a pattern control signal; a hybrid optical sensor taking an image of the subject to generate an image input signal; a texture recognition unit using the image input signal to recognize a 2D texture of the subject; and a control unit generating the synchronization control signal and the pattern control signal, wherein the texture recognition unit transmits a process result according to whether the 2D texture of the subject is recognized, the control unit generates the pattern control signal and the synchronization control signal for changing the light modulation pattern according to the process result.Type: ApplicationFiled: May 23, 2014Publication date: June 18, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Nac Woo KIM, Seung Chul SON, Seok Kap KO, Byung-Tak LEE, Young Sun KIM
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Publication number: 20150063450Abstract: Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data.Type: ApplicationFiled: August 27, 2014Publication date: March 5, 2015Inventors: Nac Woo KIM, Chie Teuk AHN, Byung Tak LEE, Young Sun KIM
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Publication number: 20140082002Abstract: An apparatus for processing an unstructured data event in real time is provided. The apparatus includes a feature extraction unit configured to extract predetermined feature data of unstructured data output from a plurality of unstructured data sensors, a metadata forming unit configured to form the feature data of the unstructured data collected by the feature extraction unit as metadata including all attributes of the structured data and the unstructured data, a metadata parser unit configured to parse the metadata formed by the metadata forming unit, and an event processing unit configured to process event generation defined by a result of parsing in the metadata parser unit.Type: ApplicationFiled: June 6, 2013Publication date: March 20, 2014Inventors: Nac-Woo KIM, Hong-Yeon YU, Jae-In KIM, Byung-Tak LEE, Young-Sun KIM
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Publication number: 20130218816Abstract: In a sensor network, a sensor data processing apparatus generates a feature vector identifier table by classifying feature vector identifiers of a plurality of situation information determination reference data to be a reference of situation determination according to a sensor type index and a feature vector identifier set index of the plurality of situation information reference data. When the sensor data processing apparatus receives sensor data, the sensor data processing apparatus generates a feature vector identifier of the sensor data and extracts a sensor type index and a feature vector identifier set index of a feature vector identifier most similar to the feature vector identifier of sensor data with reference to a feature vector identifier table, and generates situation recognition information using the extracted sensor type index and feature vector identifier set index.Type: ApplicationFiled: August 30, 2012Publication date: August 22, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Hong Yeon Yu, Sim-Kwon Yoon, Nac Woo Kim, Byung-Tak Lee, Young Sun Kim
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Publication number: 20130152118Abstract: The present invention relates to an apparatus and method for obtaining a viewing channel identifier when a user desires to participate in a video broadcast in a channel the user is viewing in a section of an interactive broadcast service. The present invention may include an audio/video receiver to collect broadcast data from a user viewing channel, and extract audio/video data from the collected broadcast data, a sampling unit to sample the extracted audio/video data, a preprocessing unit to encode the sampled audio/video data, and a viewing channel determining unit to compare the encoded audio/video data to audio/video sampling data for N broadcast channels received from a channel identification server, and obtain a viewing channel identifier according to a result of comparison.Type: ApplicationFiled: August 19, 2011Publication date: June 13, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Seung Hun Oh, Byung Tak Lee, Seok Kap Ko, Nac Woo Kim, Jai Sang Koh
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Publication number: 20130073261Abstract: There are provided a sensor data processing apparatus, and a sensor data distributed processing system including the same. The sensor data distributed processing system includes: a plurality of sensors; one or more sensor data processing apparatuses each configured to compress a sensor signal received from at least one of a plurality of sensors, to create a compressed sensor signal, to adjust the sensor signal based on a reliability of the sensor signal, to analyze the adjusted sensor signal to provide analysis data, to synchronize the compressed sensor signal with the analysis data, to transmit the synchronized sensor data, and to provide management data to a corresponding sensor; and a sensor data management apparatus configured to monitor synchronized sensor data received from each sensor data processing apparatus, and to provide management data to the sensor data processing apparatus.Type: ApplicationFiled: September 13, 2012Publication date: March 21, 2013Applicant: Electronics & Telecommunications Research InstituteInventors: Nac Woo KIM, Hong Yeon Yu, Seung Chul Son, Byung Tak Lee, Young Sun Kim
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Publication number: 20120167140Abstract: Provided is a mobile device for a personalized service including: a media receiving unit acquiring broadcasting contents during expressing in a broadcast viewing terminal device; and a comparing unit generating a media ID based on the broadcasting contents acquired in the media receiving unit, comparing the generated media ID with a media ID in a media ID list received from a media ID server to identify a channel ID, and transmitting a personalized service request message including the identified channel ID and a user ID to a personalized information providing server to request a personalized service.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Il Kyun Park, Nac Woo Kim, Seok Kap Ko, Byung Tak Lee, Sim Kwon Yoon, Jai Sang Koh
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Patent number: 8208465Abstract: Disclosed is a multicast controlling apparatus and method in a multi hop network. The multicast controlling apparatus in the multi hop network includes a packet determining unit to receive a packet from a group management query device or a station, and to determine whether the received packet is a group management protocol packet, a packet type distinguishing unit to distinguish a type of the received packet when the received packet is determined as the group management protocol packet, and a packet transmitting unit to transmit the packet to a second port excluding a first port that receives the query message, when the received packet is determined as the query message.Type: GrantFiled: January 6, 2010Date of Patent: June 26, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Seokkap Ko, Ilkyun Park, Nac Woo Kim, Byung-Tak Lee, Jai Sang Koh
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Publication number: 20120154531Abstract: Disclosed is a 3D video display device providing a first video inputted into a left eye and a second video inputted into a right eye, the 3D video display device including: a control information acquiring device receiving control information; and a 3D broadcasting receiving device controlling a binocular disparity between the first video and the second video by using the control information transferred from the control information acquiring device as a key. According to the present invention, since a 3D video is reconfigured considering a distance between the user and the 3D video display device acquired by a control information acquiring device, a user's preference, or the like, it is possible to provide the 3D video in which a user can perceive optimal depth perception.Type: ApplicationFiled: December 15, 2011Publication date: June 21, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Nac Woo KIM, Sim Kwon Yoon, Byung Tak Lee, Jai Sang Koh
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Patent number: 8204081Abstract: Disclosed is a system of transporting multimedia based on network, and more particularly, to an apparatus for inserting, transporting and extracting a timestamp through a network protocol. A network timestamp is transported without changing a preset transport standard such as a UDP, an RTP and a MPEG-2 standard by adding a packet having a timestamp, which is used to compensate for network jitter and used for synchronization, to a packet stream transported through a UDP or an RTP.Type: GrantFiled: October 22, 2009Date of Patent: June 19, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Nac-woo Kim, Byung-tak Lee, Byong-kwon Moon, Seung-hun Oh, Seok-kap Ko, Sim-kwon Yoon, Jai-sang Koh
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Publication number: 20110125917Abstract: Disclosed is an overlay multicast system for a group media transmission application service composed of a multiple stream, wherein, when an additional stream is newly transferred to a predetermined node in an overlay network, the overlay multicast system transmitting a plurality of streams in the overlay network generates a multiple stream by muxing a main stream inputted from a parent node and the additional stream based on stream correlation information in the predetermined node, and transmits the generated multiple stream to a child node.Type: ApplicationFiled: January 5, 2010Publication date: May 26, 2011Applicant: Electronics and Telecommunications Reseach InstituteInventors: Kyunghun KIM, Nac Woo KIM, Byung-Tak LEE, Seung-Hun OH, Jai Sang KOH
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Publication number: 20110090970Abstract: A terminal, a relay node, and a stream processing method for a video conference system may be provided. A transmitting terminal may receive media data, generate elementary streams from the media data, generate a transport stream by multiplexing the elementary streams, and transmit the transport stream to a relay node associated with a first receiving terminal among receiving terminals.Type: ApplicationFiled: January 5, 2010Publication date: April 21, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Nac Woo KIM, Kyunghun KIM, Sim-Kwon YOON, Byung-Tak LEE, Jai Sang KOH
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Publication number: 20110080908Abstract: Disclosed is a multicast controlling apparatus and method in a multi hop network. The multicast controlling apparatus in the multi hop network includes a packet determining unit to receive a packet from a group management query device or a station, and to determine whether the received packet is a group management protocol packet, a packet type distinguishing unit to distinguish a type of the received packet when the received packet is determined as the group management protocol packet, and a packet transmitting unit to transmit the packet to a second port excluding a first port that receives the query message, when the received packet is determined as the query message.Type: ApplicationFiled: January 6, 2010Publication date: April 7, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Seokkap KO, Ilkyun PARK, Nac Woo KIM, Byung-Tak LEE, Jai Sang KOH
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Publication number: 20110082691Abstract: Provided is a technology of controlling an electronic device using a broadcasting system. A control signal may be modulated to an audible frequency band and thereby be transmitted from a transmission apparatus to a reception apparatus using the broadcasting system. The reception apparatus may reproduce the control signal of the audible frequency band. A controller may perform a control operation based on the control signal.Type: ApplicationFiled: October 5, 2010Publication date: April 7, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Seokkap KO, Byung-Tak Lee, Sim-Kwon Yoon, Nac Woo Kim, Seung-Hun Oh, Jai Sang Koh