Patents by Inventor Chung-Hyun Ahn
Chung-Hyun Ahn 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: 11368730Abstract: A broadcast content transmission method includes checking input of moving caption data, configuring signaling information of the moving caption data based on signaling and description defined in a broadcast service system, configuring broadcast content data, into which the signaling information of the moving caption data is inserted, and transmitting the broadcast content data, into which the signaling information of the moving caption data is inserted.Type: GrantFiled: August 27, 2020Date of Patent: June 21, 2022Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Sung Hoon Kim, Chung Hyun Ahn, Dong Ho Kim, Bong Seok Seo, Chang Jong Hyun
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Publication number: 20210090551Abstract: An emotional speech generating method and apparatus capable of adjusting an emotional intensity is disclosed. The emotional speech generating method includes generating emotion groups by grouping weight vectors representing a same emotion into a same emotion group, determining an internal distance between weight vectors included in a same emotion group, determining an external distance between weight vectors included in a same emotion group and weight vectors included in another emotion group, determining a representative weight vector of each of the emotion groups based on the internal distance and the external distance, generating a style embedding by applying the representative weight vector of each of the emotion groups to a style token including prosodic information for expressing an emotion, and generating an emotional speech expressing the emotion using the style embedding.Type: ApplicationFiled: September 23, 2020Publication date: March 25, 2021Applicants: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Inseon JANG, Hong-Goo KANG, Chung Hyun AHN, Se-Yun UM, Sangshin OH, Tae Jin LEE
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Publication number: 20210067821Abstract: A broadcast content transmission method includes checking input of moving caption data, configuring signaling information of the moving caption data based on signaling and description defined in a broadcast service system, configuring broadcast content data, into which the signaling information of the moving caption data is inserted, and transmitting the broadcast content data, into which the signaling information of the moving caption data is inserted.Type: ApplicationFiled: August 27, 2020Publication date: March 4, 2021Inventors: Sung Hoon KIM, Chung Hyun AHN, Dong Ho KIM, Bong Seok SEO, Chang Jong HYUN
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Publication number: 20190019500Abstract: Disclosed is a method and apparatus for training a speech signal. A speech signal training apparatus of the present disclosure may include a target speaker speech database storing a target speaker speech signal; a multi-speaker speech database storing a multi-speaker speech signal; a target speaker acoustic parameter extracting unit extracting an acoustic parameter of a training subject speech signal from the target speaker speech signal; a similar speaker acoustic parameter determining unit extracting at least one similar speaker speech signal from the multi-speaker speech signals, and determining an auxiliary speech feature of the similar speaker speech signal; and an acoustic parameter model training unit determining an acoustic parameter model by performing model training for a relation between the acoustic parameter and text by using the acoustic parameter and the auxiliary speech feature, and setting mapping information of the relation between the acoustic parameter model and the text.Type: ApplicationFiled: July 13, 2018Publication date: January 17, 2019Applicants: Electronics and Telecommunications Research Institute, YONSEI UNIVERSITY INDUSTRY FOUNDATION (YONSEI UIF)Inventors: In Seon JANG, Hong Goo KANG, Hyeon Joo KANG, Young Sun Joo, Chung Hyun AHN, Jeong Il SEO, Seung Jun YANG, Ji Hoon CHOI
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Patent number: 9866906Abstract: Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.Type: GrantFiled: July 11, 2016Date of Patent: January 9, 2018Assignee: Electronics and Telecommunications Research InstituteInventors: Sung-Hoon Kim, Chung Hyun Ahn, Sukhee Cho, Jin Woong Kim, Jin Soo Choi, Jin Woo Hong
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Patent number: 9690276Abstract: Disclosed are a customized scent diffusing device and a customized scent diffusing method for effectively transferring sensibility which can be felt from contents to a user by diffusing a most appropriate scent by synchronization with digital contents. According to various exemplary embodiments of the present invention, although odor effect information in 4D contents does not correspond to a spice cartridge configuration in a scent diffusing device, an appropriate odor can be provided through combining or mixing spice cartridges in the scent diffusing device.Type: GrantFiled: February 5, 2016Date of Patent: June 27, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Hoon Choi, Chung Hyun Ahn
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Publication number: 20160323645Abstract: Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.Type: ApplicationFiled: July 11, 2016Publication date: November 3, 2016Inventors: Sung-Hoon KIM, Chung Hyun AHN, Sukhee CHO, Jin Woong KIM, Jin Soo CHOI, Jin Woo HONG
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Publication number: 20160231720Abstract: Disclosed are a customized scent diffusing device and a customized scent diffusing method for effectively transferring sensibility which can be felt from contents to a user by diffusing a most appropriate scent by synchronization with digital contents. According to various exemplary embodiments of the present invention, although odor effect information in 4D contents does not correspond to a spice cartridge configuration in a scent diffusing device, an appropriate odor can be provided through combining or mixing spice cartridges in the scent diffusing device.Type: ApplicationFiled: February 5, 2016Publication date: August 11, 2016Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Hoon CHOI, Chung Hyun AHN
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Patent number: 9392255Abstract: Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image.Type: GrantFiled: November 23, 2010Date of Patent: July 12, 2016Assignee: Electronics and Telecommunication Research InstituteInventors: Sung-Hoon Kim, Chung Hyun Ahn, Sukhee Cho, Jin Woong Kim, Jin Soo Choi, Jin Woo Hong
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Patent number: 9380288Abstract: Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing the 2D video ES and the 3D supplementary ES; a PSI generator for generating a PSI; a TS generator for generating 2D video TS and 3D supplementary TS for the 2D video PES and the 3D supplementary PES; a multiplexer for multiplexing the transport streams to transmit the 2D video TS as a normal stream and transmit the 3D supplementary TS, the PSI TS and 3D video synch data TS as robust stream; and a modulator for modulating the multiplexed TS according to a DTV specification and transmitting the modulated TS.Type: GrantFiled: June 10, 2013Date of Patent: June 28, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sung-Hoon Kim, Byung-Jun Bae, Kug-Jin Yun, Jae-Young Lee, Seung-Won Kim, Chung-Hyun Ahn, Nam-Ho Hur, Soo-In Lee, Chieteuk Ahn
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Publication number: 20150242678Abstract: A method and apparatus of recognizing a facial expression using a local feature-based adaptive decision tree are provided. A method of recognizing a facial expression by a facial expression recognition apparatus may include splitting a facial region included in an input image into local regions, extracting a facial expression feature from each of the local regions using a preset feature extracting algorithm, and recognizing a facial expression from the input image using the extracted facial expression feature based on a decision tree generated by repeatedly classifying facial expressions into two classes until one facial expression is contained in one class and determining a facial expression feature for a corresponding classification.Type: ApplicationFiled: January 16, 2015Publication date: August 27, 2015Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: In Jae LEE, Chung Hyun AHN, Ji Hun CHA, Sang Youn LEE, Ji Hun OH, Yu Seok BAN
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Publication number: 20150187139Abstract: This disclosure provides an apparatus of providing augmented reality, comprising an image obtaining unit obtaining an image including objects, a location information extracting unit obtaining location information on the image, a candidate object extracting unit extracting a target object by analyzing features of a subject in the image, defining the objects in a space as candidate objects, and extracting information on directions of the candidate objects from a center of the image, a final candidate object determining unit determining a final candidate object using the location information on the image, the directions of the candidate objects, and each relationship in phase between the objects, and an object information extracting unit searching information on the final candidate object based on the location information on the final candidate object in a space information database and displaying the information on the final candidate object on the image.Type: ApplicationFiled: March 28, 2014Publication date: July 2, 2015Applicant: Electronics and Telecommunications Research InstituteInventor: Chung Hyun AHN
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Patent number: 8983942Abstract: Disclosed are a method for providing a time machine service based on an SNS (social network service), including: extracting keywords based on SNS information input by SNS users and collecting rich contents relating to the SNS information based on the keywords; dividing points of past, present, and future, based on a predetermined present time period and classifying the rich contents into any one of past information, present information, and future information, based on the division result; and providing the classified rich contents to the SNS users.Type: GrantFiled: March 2, 2012Date of Patent: March 17, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Young Ho Jeong, Jin Woo Hong, Chung Hyun Ahn
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Publication number: 20140351054Abstract: There are provided an advertisement device combining an LBS (Location Based Service) with broadcast and a method of providing an advertisement service using the same. The advertisement device comprises a location information obtaining unit configured to obtain location information of a vehicle, a broadcast signal receiving unit configured to receive a broadcast signal including advertisement information through a broadcast network, an advertisement information storing unit configured to store the advertisement information included in the broadcast signal, and a controller configured to enable the advertisement information corresponding to the location information to be displayed through a displaying device installed inside or outside the vehicle.Type: ApplicationFiled: September 12, 2013Publication date: November 27, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Chung Hyun Ahn, Sung Hoon Kim
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Patent number: 8855210Abstract: Provided is a method and apparatus for encoding and decoding multi-view video data. The encoding method includes: decomposing each view image of the multi-view video into an overlapped region and a non-overlapped region, the overlapped region being overlapped with other view image and the non-overlapped region not being overlapped with other view image; generating a stitched image by combining the non-overlapped region of each view image and a middle view image; encoding the stitched image using a first encoding algorithm; and encoding the overlapped region of each view image, using a second encoding algorithm. Further, the decomposing step includes the steps of estimating disparity information for each view image, based on a predetermined view image; and decomposing each view image into said overlapped region and said non-overlapped region using the estimated disparity information.Type: GrantFiled: May 17, 2012Date of Patent: October 7, 2014Assignees: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Suk Hee Cho, Kug Jin Yun, Dae Hee Kim, Chung Hyun Ahn, Soo In Lee, Kwang Hoon Sohn, Yong Tae Kim
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Publication number: 20140176814Abstract: The present invention provides a wearable display device which enables the visually impaired, hearing impaired, and disabled to live a normal living and furthermore, enables them to enjoy various benefits due to the advancement of IT. A wearable display device according to the present invention comprises a communication control module controlling transmission and reception of a signal; a signal processing module processing the signal input to the communication control module and extracting information from the signal; and a display module being worn by a user in the form of glasses and displaying the information.Type: ApplicationFiled: February 21, 2013Publication date: June 26, 2014Applicant: Electronics and Telecommunications Research InstituteInventor: Chung Hyun AHN
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Patent number: 8760493Abstract: Disclosed is a video displaying apparatus including: a projector screen; at least one camera disposed at a predetermined position of the projector screen to acquire a user's video; a communication unit receiving the other party's video from the other video terminal and transmitting the user's video acquired through at least one camera to the other video terminal; and a projector outputting the other party's video so that the other party's video received from the communication unit is displayed on the projector screen.Type: GrantFiled: December 2, 2011Date of Patent: June 24, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jin Woo Hong, Kwi Hoon Kim, Chung Hyun Ahn
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Publication number: 20140139661Abstract: The present invention relates to a method and apparatus for acquiring and transmitting dynamic videos which reflect the position and motion information of a video acquiring device. The video acquiring device comprises an AV acquiring module which photographs an object to acquire videos of the object, a location information acquiring module which acquires the location information of the video acquiring device or the user of the video acquiring device, a motion information acquiring module which acquires the motion information of the video acquiring device or the user of the video acquiring device, a multiplexing module which generates multiplexed signal by multiplexing the video, location information and motion information, and a wireless communication module which transmits the multiplexed signal to a mobile terminal equipped with wireless communication device via wired or wireless communication.Type: ApplicationFiled: September 17, 2013Publication date: May 22, 2014Applicant: Electronics and Telecommunications Research InstituteInventor: Chung Hyun AHN
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Patent number: 8606298Abstract: The present invention relates to a system and a method for tracking a location of a mobile terminal, and more particularly, to a system and a method for tracking a location of a mobile terminal using a TV connected to the Internet. The system for tracking a location of a mobile terminal according to an exemplary embodiment of the present invention includes: a TV connected to the Internet; and at least one mobile terminal acquiring its own location information, wherein the mobile terminal transmits its own location information to the TV in a peer-to-peer communication scheme, and the TV receives the location information to display the received location information on a screen.Type: GrantFiled: December 22, 2011Date of Patent: December 10, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Chung Hyun Ahn, Kwi Hoon Kim, Jin Woo Hong
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Publication number: 20130300825Abstract: Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing the 2D video ES and the 3D supplementary ES; a PSI generator for generating a PSI; a TS generator for generating 2D video TS and 3D supplementary TS for the 2D video PES and the 3D supplementary PES; a multiplexer for multiplexing the transport streams to transmit the 2D video TS as a normal stream and transmit the 3D supplementary TS, the PSI TS and 3D video synch data TS as robust stream; and a modulator for modulating the multiplexed TS according to a DTV specification and transmitting the modulated TS.Type: ApplicationFiled: June 10, 2013Publication date: November 14, 2013Inventors: Sung-Hoon KIM, Byung-Jun BAE, Kug-Jin YUN, Jae-Young LEE, Seung-Won KIM, Chung-Hyun AHN, Nam-Ho HUR, Soo-In LEE, Chieteuk AHN