Electronics and Telecommunications Research Institute

Wook-Ho Son

Beom-Ryeol Lee

Seung-Jae Lee

Yong-Ho Lee

Hyuk Jeong

Young-Ho Suh

Seung-Woo Nam

Jong-Sung Kim

Hong-Kee Kim

Hee-Seok Oh

Weon-Geun Oh

Da-Un Jung

Keun-Dong Lee

Sung-Kwan Je

Jeung-Chul Park

Sang-Il Na

Jong-Bae Lee

Disclosed herein are a text recognition method and apparatus based on hand interaction for AR glasses. The text recognition method based on hand interaction for AR glasses includes collecting RGB images, extracting hand joint information from the RGB images, generating a text image based on the hand joint information, recognizing text from the text image, and outputting the recognized text.

Text recognition method and apparatus based on hand interaction for AR glasses

Disclosed herein are a method and apparatus for analyzing elements inducing motion sickness in VR content. The method includes acquiring objective data based on an experiment using the VR content for measuring VR motion sickness, the experiment being conducted according to a predetermined protocol; acquiring subjective data input from the multiple participants of the experiment; and constructing a database based on the objective data and the subjective data and analyzing the degree of motion sickness induced by each of the content elements of the VR content using statistical information based on the database.

Method for analyzing element inducing motion sickness in virtual-reality content and apparatus using the same

A method and system for extracting a visual descriptor using a feature selection are provided. The system includes an image input unit configured to receive an image, a candidate feature point group detecting unit configured to detect a point having a local maximum or minimum of local region filtering in scale-space images as being included in a candidate feature point group, a feature point selecting unit configured to calculate an importance for each candidate feature point, depending on its characteristics, select the candidate feature point as a feature point when its importance is greater than the predetermined threshold value, a dominant orientation calculating unit configured to calculate a dominant orientation of the selected feature point and a visual descriptor extracting unit configured to extract a patch for each feature point, according to its scale, location and dominant orientation, and extract a visual descriptor from the patch.

Method of extracting visual descriptor using feature selection and system for the same

Provided is a method for recognizing a location to control the location of a moving object, the method including: generating a synchronizing signal for a plurality of ultrasonic satellites; the plurality of the ultrasonic satellites simultaneously transmitting ultrasonic signals respectively comprising different frequencies from each other, the plurality of the ultrasonic satellites fixed on predetermined static positions; a receiver, attached to the moving object, receiving the ultrasonic signal and measuring distances between the receiver of the moving object and each of the plurality of the ultrasonic satellites by classifying the frequencies of the ultrasonic signals; and calculating a current location of the moving object by using the measured distances.

Method and system for recognizing location by using sound sources with different frequencies

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Daejeon, South Korea

Wook-Ho Son