Electronics and Telecommunications Research Institute

Intellectual Discovery Co., Ltd.

Young Ho Suh

Sang Kwang Lee

Weon Geun Oh

Yong-Seok Seo

Young-Suk Yoon

Wonyoung Yoo

Seungjae Lee

Seung Jae Lee

Won Young Yoo

Jung Hyun Kim

Jung Ho Lee

Yong Seok Seo

Keun Dong Lee

Jee Hyun Park

Kang Woo Lee

Sung Min Kim

Wook Ho Son

Sanghyun Joo

Da Un Jung

Jin Soo Seo

Seunghwan Kim

Hyun Kyu Kim

Wookho Son

Hyoung Sun Kim

Gil Haeng Lee

Dong Hyuck Im

Hyung Kwan Son

Sang Il Na

Young Suk Yoon

Sung Kwan Je

Seon Hwa Lee

Da-Un Jung

Seunglae Lee

Sangil Na

Sungkwan Je

Yong Suk Yoon

Kun Ouk Kim

Sang Keun Rhee

A signature actor determination method for video identification includes setting a list of actors who appear in each of a plurality of videos, generating a plurality of subsets including the actors, and determining that an actor included in a single final set indicating a first video among the plurality of subsets is a signature actor of the first video. Accordingly, video identification is possible by using just a little information.

Method and apparatus for determining signature actor and identifying video based on probability of appearance of signature actor

A server for providing a city street search service includes a street information database configured to store city street images, a feature selection unit configured to select at least one feature according to a predetermined criterion when a city street image for searching and two or more features for the image are received from a user terminal, a candidate extraction unit configured to extract a candidate list of a city street image, a feature matching unit configured to match the city street image for registration included in the extracted candidate list and the at least one selected feature, and a search result provision unit configured to provide the user terminal with a result of the matching as result information regarding the city street image for searching.

Server and method for providing city street search service

Provided are a system and a method for tracking a position based on multi sensors. The system according to the present invention includes: a space management server which divides a predetermined space into a predetermined number of spaces to generate a plurality of zones and manages information of each zone; and a zone management server which manages the information of the zone generated by the space management server and provides the space management server with zone session information of an object positioned in each zone and positional information of the corresponding object sensed by a position tracking sensor every time slot.

System and method for tracking position based on multi sensors

A method for extracting features from an image for use in a computing device, the method comprising: producing Gaussian Scale Space (GSS) images in the type of a pyramid from the image inputted to the computing device; performing a Scale Normalized Laplacian Filtering on the GSS images; detecting interest points from the images that are subject to the Scale Normalized Laplacian Filtering; and extracting features of the image using the detected interest points.

Method and apparatus for extracting image feature

Provided are a shoe image retrieval apparatus and method using a matching pair, which can accurately retrieve image information corresponding to an inputted image from the database and provide the retrieved image information, by normalizing a correspondence relation in consideration of geometric image transformation about the matching pair and allowing a similar image to be retrieved by applying the normalized correspondence relation. It is possible to detect optimum geometric image transformation from a matching pair between the inputted shoe image and the image stored in the database and simultaneously retrieve a plurality of objects in the inputted shoe image based on the detected geometric image transformation, thereby providing an efficient shoe retrieval service.

Shoe image retrieval apparatus and method using matching pair

Disclosed are a method and an apparatus for providing contents about conversation, which collect voice information from conversation between a user and another person, search contents on the basis of the collected voice information, and provide contents about the conversation between the user and the person. The method of providing contents about conversation includes: a voice information collecting step of collecting voice information from conversation between a user and another person; a keyword creating control step of creating search keywords by using the collected voice information; and a contents providing control step of searching contents by using the created search keywords, and providing the searched contents.

Method and apparatus for providing contents about conversation

Disclosed are an apparatus for controlling a service of a network robot system based on remote procedure calls and a method thereof. The apparatus for controlling services of a network robot system according to an exemplary embodiment of the present invention includes: a terminal agent calling an asynchronous procedure of the robot services to acquire asynchronous operation objects and performing asynchronous operations on the asynchronous operation objects according to previously established scheduling policies, when receiving an execution of robot services from a service server through a network; and a plurality of drivers executing the robot services according to the asynchronous operations of the terminal agent. By this configuration, the exemplary embodiment of the present invention can avoid resource collision due to resource approach at a plurality of robot services, improve the simultaneity of the robot services, and implement operation applications for high performance control.

Apparatus for controlling service of network robot system based on remote procedure calls and method thereof

The present disclosure relates to a system and a method for finger printing for comics. A system for searching comics according to the present disclosure includes: a fingerprint database storing fingerprints extracted from comics, a comics fingerprint extraction unit extracting fingerprints configured of at least one of box frames, cuts, and speech bubbles included in input comic images, a fingerprint based candidate group search unit searching candidate groups among comics stored in the fingerprint database using the extracted fingerprints, and a similarity measuring unit measuring similarity between the searched candidate groups and the comic images corresponding to the extracted fingerprints.

System and method for fingerprinting for comics

A forensic mark insertion apparatus includes: an original content segment storage unit for storing multiple original contents; and a service control unit for, in response to a request for a content from a user, retrieving an original content corresponding to the request for the content from the original content segment storage unit, separating the retrieved original content into plurality of content segments, selectively inserting a forensic mark into some of the content segments, and assembling the content segments to produce an forensic-mark inserted content to be provided to the user.

Forensic mark insertion apparatus and method

Provided are an apparatus and method for forensic marking of digital content. The apparatus includes a forensic marker configured to generate first content by inserting a first binary forensic mark in original content and second content by inserting a second binary forensic mark in the original content, and when a content service request is generated, combine the first content and the second content on the basis of information about a user who has requested the content service and thereby generate third content in which a forensic mark corresponding to the user information is inserted, a content database configured to store the first and second content, and a transceiver configured to transmit the third content.

Apparatus and method for forensic marking of digital content

An apparatus for extracting features from a video includes a frame rate converter for performing a frame rate conversion on the video to a preset frame rate, a gray scale converter for performing a grey scale conversion on the frame rate-converted video, a frame size normalizer for performing a frame size normalization on the gray scale-converted video to a preset image size, and a feature extractor for partitioning the normalized video into image blocks of a predetermined size, and extracting features from the image blocks on the basis of luminance values of the image blocks. A video identification system employs the feature extracting apparatus to identify an original video and an object video.

Apparatus and method for extracting features of video, and system and method for identifying videos using same

A method for managing digital videos includes extracting a feature of an input digital video, searching for candidate features having similarity to the extracted feature, and comparing the extracted feature with each of the candidate features to select at least one of the candidate features similar to the extracted feature and provide information on a digital video corresponding to the selected candidate feature.

System and method for comparing an input digital video to digital videos using extracted and candidate video features

The present invention relates to a system for scene change detection including a decoder decoding input digital video data into video data compressed by a single codec or uncompressed video data in a codec-independent format, a normalizer normalizing the video data decoded by the decoder in a temporally and spatially uniform format, and a scene change detector computing a mode ratio for each frame of the normalized video data through a mode determination, and determining, when a frame has a mode ratio higher than a preset threshold value, that a scene change has occurred at the frame. The decoder decodes video data compression-coded by various video codecs into uncompressed video frames.

System and method for detecting scene change

An index database creating apparatus includes a feature extracting unit for extracting features from a content; an index creating unit for creating feature indices of the extracted features; an index selector for selecting one or more of the feature indices based on frequency-based importance levels thereof; and a feature index database for storing therein the selected feature indices along with locations thereof in the content. The index selector obtains the frequency-based importance levels based on frequency distributions of the feature indices in the content and in other contents to be stored in the feature index database.

Index database creating apparatus and index database retrieving apparatus

The present invention relates to a method for blindly embedding and extracting a watermark by using wavelet transform and a human visual system (HVS) model, which obtains both robustness and invisibility by applying the HVS model of NVF or JND imitating a human visual system to a middle frequency band for wavelet transformation and using a quantization step determined adaptively according to the importance of wavelet coefficient. A method according to the present invention includes the steps of: decomposing an original image by a wavelet and selecting a middle frequency band as a watermark embedment area; obtaining an HVS model having a human visual recognition information at each embedding position; determining the importance of the coefficient for each embedding position, and adaptively determining a quantization step for each embedment location by using the importance and the HVS model; quantizing each pair of embedment area by the quantization step and variably embedding a watermark sequence into a middle frequency band according to a value of the watermark; and performing inverse wavelet transform on an overall area into which the watermark sequence is embedded, and generating a watermarked image.

Growing community of inventors

Daejeon, South Korea

Young Ho Suh