Electronics and Telecommunications Research Institute

Moo Seop Kim

Chi Yoon Jeong

Young Soo Park

Young Sae Kim

Kyeong Deok Moon

Ji Man Park

Yun Kyung Park

Sung Ik Jun

Hong Il Ju

SuGil Choi

Jong Soo Jang

Kyo Il Chung

Ho Won Kim

Yong-Sung Jeon

Jin Hee Han

Sung Yong Shin

Jong-Wook Han

Jong Moo Sohn

Geonwoo Kim

Yong Je Choi

Sooncheol Shin

Heui Su Ryu

Provided are an apparatus and method for sensory substitution based on depth-time mapping. The apparatus for sensory substitution based on depth-time mapping according to the present invention includes an image segmentation unit configured to generate a plurality of depth images by segmenting three-dimensional (3D) image information based on depth, a sensory substitution unit configured to generate pieces of sensory substitution information by converting at least any one of the plurality of depth images into preset sensory information, a depth-time mapping unit configured to map the sensory substitution information to a time axis based on depth information corresponding to the depth image, and an output unit configured to sequentially output the pieces of sensory substitution information in order mapped to the time axis.

Apparatus and method for sensory substitution based on depth-time mapping

Disclosed are a system and method for reproducing tactile content using spatial information, which enhances a users tactile sense of music by converting a sound of music played in a space into tactile sense in real time without any sense of difference between tactile and auditory sense and automatically correcting tactile information by reflecting a user location and spatial characteristics so that performance or image information may be realized as tactile content using spatial information and the user location.

System and method for reproducing tactile content using spatial information

Provided is a sensory substitution apparatus and method that combines two or more pieces of multi-sense sensory information to be converted into different multi-sense sensory information, in which received pieces of multiple information are combined to suit sensory characteristics of the user's body and efficiently transmitted to a different sensory organ. According to the present invention includes: receiving input sensory information; classifying the input sensory information; calculating an importance of each of individual sensory information; determining a target sense for which part or all of the individual sensory information, of which an importance is calculated, is to be converted into a new sensory signal incongruent with the corresponding individual sense; and converting the input sensory information into target sensory information to be transmitted to the determined target sense which is an organ.

Sensory substitution apparatus and method

A dangerous situation notification apparatus includes an acoustic information management unit identifying and providing acoustic information including an acoustic source type and acoustic scene information; a user behavior information identification unit generating and providing user behavior information; a behavior context information management unit storing user behavior context information generated using the acoustic information and the user behavior information in advance, and analyzing user's current behavior context information corresponding to the acoustic information and the user behavior information detected in real time; a dangerous situation inference unit inferring whether the acoustic information or the user behavior information corresponds to a dangerous situation; and a dangerous situation notification unit providing a dangerous situation notification.

Dangerous situation notification apparatus and method

A videotelephony image modulation apparatus and method detects an event having a possibility of information leakage by analyzing an image and provides a secured calling mode of masking all or a part of the image and transmitting a masked image obtained through the masking.

Apparatus and method for modulating images for videotelephony

A danger sensing apparatus includes a data collecting unit disposed at each of a side rear-view mirror of the vehicle and an inner portion of the vehicle to collect image data of a side region of the vehicle and a situation of a door region of the inner portion of the vehicle as data; a data analyzing unit analyzing the data collected from the data collecting unit to analyze a danger object approaching an outer side of the vehicle and the situation of the door region of the inner portion of the vehicle; and a controlling unit controlling operations of a drive train of the vehicle and the door based on a signal analyzed from the data analyzing unit.

Danger sensing apparatus of vehicle and control method thereof

Provided are an apparatus and method for preventing falsification of black box data. The apparatus for preventing falsification of black box data includes a driving information storage module and a falsification prevention module. The driving information storage module stores a driving information data which is collected by a black box. The falsification prevention module encrypts the driving information data to generate a falsification determination data through a predetermined encryption mechanism, and stores the falsification determination data.

Apparatus and method for preventing falsification of black box data

A security management server includes an input unit for receiving image data from at least one network camera; a control unit for assigning an access authority level to each image data received via the input unit; and a storage unit for storing therein the image data along with the access authority levels assigned by the control unit. When receiving a request for a specific image data among the image data stored in the storage unit from a user having a user access authority level, the control unit compares the user access authority level and the access authority level assigned to the specific image data, and based on comparison result thereof, selectively provides the specific image data to the user.

Security management server and image data managing method thereof

An apparatus for hash cryptography has a hardware structure that is capable of providing both secure hash algorithm (SHA)-1 hash calculation and SHA-256 hash calculation. The apparatus for hash cryptography generates a plurality of first message data corresponding to a plurality of first rounds when the SHA-1 hash calculation is performed and generates a plurality of second message data corresponding to a plurality of second rounds when the SHA-256 hash calculation is performed by using one memory, one first register, one XOR calculator, and one OR calculator, calculates a message digest by the SHA-1 hash calculation by using the plurality of first message data when the SHA-1 hash calculation is performed, and calculates a message digest by the SHA-256 by using the plurality of second message data when the SHA-256 hash calculation is performed.

Apparatus and method for hash cryptography

There are provided a low power SHA-1 hash algorithm apparatus having a low power structure and optimized to a trusted platform module (TPM) applied to a mobile trusted computing environment and a low power keyed-hash message authentication code (HMAC) encryption apparatus using the low power SHA-1 hash algorithm apparatus, the HMAC encryption apparatus including: a key padder padding key data for HMAC algorithm; an XOR operator XOR operating the padded key data and a padding constant; a data connector connecting a text to be encrypted, to data obtained by the XOR operating; a data padder padding the connected data; an SHA-1 hash algorithm part performing an SHA-1 hash algorithm on the padded data; a data selector selecting and applying one of a result of the SHA-1 hash algorithm and the text to be encrypted, to the data connector; and a controller controlling operations of the key padder, data connector, and data padder, a sequence of performing a hash algorithm of the SHA-1 hash algorithm part, and storing an operation result to read data required for performing an encryption operation and store data with memory.

Low power HMAC encryption apparatus

Disclosed is an RSA cryptographic processing apparatus capable of performing the fast operating function. A modular multiplication operation or a modular exponentiation operation, i.e., an RSA cryptographic operation, is selectively performed according to a control signal inputted, the modular operation of the data of 512 to 1024 bits is iteratively performed by use of 32-bit operating unit, and the data of 512 to 1024 bits is operated by use of a 32-bit operating unit, thereby minimizing the size of the register storing the data and reducing the size of the cryptographic apparatus, and which the intermediate value generated at the operation process is stored in the internal register instead of the memory, thereby minimizing the times of access to the memory.

Growing community of inventors

Daejeon, South Korea

Moo Seop Kim