Patents by Inventor Hong-il Ju
Hong-il Ju 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: 8275126Abstract: 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.Type: GrantFiled: September 25, 2009Date of Patent: September 25, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Moo Seop Kim, Young Soo Park, Ji Man Park, Young Sae Kim, Hong Il Ju, Sung Ik Jun
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Publication number: 20120195425Abstract: There is provided a security video transmission apparatus for generating and updating an encryption key by using video data, having a property of a random number which is continuously generated in real time, as random number data in order to generate a key, encrypting the video data using the encryption key, and then transmitting the encrypted video data.Type: ApplicationFiled: December 20, 2011Publication date: August 2, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Young Sae KIM, Yong-Sung Jeon, Moo Seop Kim, Jong-Wook Han, Geonwoo Kim, Jin Hee Han, Hong Il Ju, SuGil Choi, Min-ho Han, Su Wan Park
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Publication number: 20120166381Abstract: An apparatus for detecting risky situations includes a detection unit for detecting a risky situation and reporting the detected risky situation, and a control unit for analyzing and assessing the risky situation reported from the detection unit to take measures to the assessed risky situation.Type: ApplicationFiled: November 17, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Geonwoo KIM, Young-Giu JUNG, SuGil CHOI, Jin Hee HAN, Hong IL JU, Min-ho HAN, Su Wan PARK, Yong-Sung JEON, Moo Seop KIM, Young Sae KIM, Jong-Wook HAN
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Publication number: 20120147186Abstract: An image recording device mounted to a vehicle includes an imaging unit for capturing a sequence of images including an image of a road that the vehicle is running and circumstances around the road by taking photographs; an image management unit for storing the captured images in a recording medium and for extracting a target image corresponding to a request for image transmission from the recording medium; and a communication unit for receiving the request for image transmission and for transmitting the extracted images to the external entity.Type: ApplicationFiled: November 23, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: SuGil CHOI, Moo Seop KIM, Jong-Wook HAN, Hong Il JU, Min-ho HAN, Jin Hee HAN, Geonwoo KIM, Su Wan PARK, Yong-Sung JEON, Young Sae KIM
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Publication number: 20120147180Abstract: A video surveillance system provides interface compatibility. The system includes a plurality of security devices connected to a network and configured to collect video data, a security server configured to make a connection request to a target security device to monitor the video data collected by the target security device, and an interface conversion server configured to convert the connection request in conformity to an interface of the target security device. The interface conversion server is further configured to convert the video data collected by the target security device having a non-standard interface in conformity to a standard interface in order for the security server to monitor the collected video data.Type: ApplicationFiled: December 8, 2011Publication date: June 14, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Hong Il JU, Geonwoo KIM, Min-ho HAN, Jin Hee HAN, SuGil CHOI, Su Wan PARK, Yong-Sung JEON, Moo Seop KIM, Young Sae KIM, Jong-Wook HAN
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Publication number: 20120134540Abstract: An apparatus for creating a surveillance image with event-related information includes an event detection unit configured to detect an event in the surveillance image, an encoding unit configured to encode the surveillance image into a bit stream of the surveillance image, an event information creation unit configured to create event-related information based on the detected event, and a parsing unit configured to parse the encoded surveillance image and insert the event-related information into the bit stream of the encoded surveillance image.Type: ApplicationFiled: November 29, 2011Publication date: May 31, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jin Hee HAN, Hong Il Ju, Sugll Choi, Geonwoo Kim, Min-ho Han, Su Wan Park, Yong-Sung Jeon, Moo Seop Kim, Young Sae Kim, Jong-Wook Han
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Publication number: 20120120248Abstract: An image photographing device of an object tracking system includes: an image recognizing module for collecting image information within a field of view (FOV) region in real time, recognizing occurrence of an event from the collected image information to extract an object contributing to the occurrence of the event, and sensing whether the extracted object is out of the FOV region or not. The device further includes an object tracking module for extracting property of the object from the extracted object to generate metadata, storing the metadata in a database, and providing the metadata stored in the database to ambient image photographing devices based on the sensing result of the image recognizing module.Type: ApplicationFiled: November 16, 2011Publication date: May 17, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Min-ho HAN, Su Wan PARK, Jong-Wook HAN, GEONWOO KIM, Hong IL JU, SuGil CHOI, Jin Hee HAN, Moo Seop KIM, Young Sae KIM, Yong-Sung JEON
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Publication number: 20110145582Abstract: A method for sharing and updating a key using a watermark is disclosed. The method includes receiving an image to be encoded from an image input device encoding the image, and inserting a master key value as a watermark into the encoded image, for use as an input of a key derivation function.Type: ApplicationFiled: May 25, 2010Publication date: June 16, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Jin Hee HAN, Young Sae Kim, Geon Woo Kim, Hong Il Ju, Su Gil Choi
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Publication number: 20110145574Abstract: 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.Type: ApplicationFiled: May 6, 2010Publication date: June 16, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: HONG IL JU, Yong-Sung JEON, Jin Hee HAN, GEONWOO KIM, SuGil CHOI, Moo Seop KIM, Young Sae KIM, Jong-Wook HAN
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Publication number: 20110085035Abstract: An apparatus for protecting privacy information of a surveillance image includes a key management unit for generating and managing keys used to unmask a masked input image; an input image processing unit for unmasking the input image using the keys, decoding the unmasked input image to acquire an uncompressed image data, and then applying a second masking on an area containing privacy information of the image data. Further, the apparatus for protecting the privacy information of the surveillance image includes an image recording unit for encoding the image data to which the second masking has been applied to store the encoded image data.Type: ApplicationFiled: November 20, 2009Publication date: April 14, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: SuGil CHOI, Geonwoo KIM, Jong-Wook HAN, Hyun sook CHO, Jin Hee HAN, Hong Il JU, Moo Seop KIM, Young Sae KIM, Yong-Sung JEON
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Publication number: 20100146296Abstract: 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.Type: ApplicationFiled: September 25, 2009Publication date: June 10, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Moo Seop KIM, Young Soo PARK, Ji Man PARK, Young Sae KIM, Hong Il JU, Sung Ik JUN
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Publication number: 20100104098Abstract: The present invention relates to a secure hash algorithm (SHA)-based message schedule operation method, a message compression operation method, and a cryptographic device performing the same. The present invention sequentially performs the message schedule operation by using an adder. Also, a memory for storing operation data input for the message schedule operation is used from a 17th round to store intermediate data generated by the message schedule operation. Further, the message compression operation is sequentially performed by using one adder.Type: ApplicationFiled: June 12, 2009Publication date: April 29, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Moo-Seop KIM, Young-Soo PARK, Ji-Man PARK, Young-Sae KIM, Hong-Il JU, Sung-Ik JUN
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Publication number: 20080256153Abstract: A random number signal generator using pulse oscillators, the generator including: a first pulse oscillator oscillating a first pulse at high speed; a second pulse oscillator oscillating a second pulse; a sampler receiving an output pulse of the first oscillator as data, receiving an output pulse of the second pulse oscillator as a clock signal, and outputting a plurality of output signals; and a digital processor generating a random number signal with a desired size by using the output signals of the sampler.Type: ApplicationFiled: March 26, 2008Publication date: October 16, 2008Inventors: Ji Man PARK, Young Soo PARK, Sung Ik JUN, Young Sae KIM, Moo Seop KIM, Hong Il JU, Young Soo KIM, Su Gil CHOI
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Patent number: 7177621Abstract: A wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a signal to and from an external apparatus. The analog signal processor converts an analog signal to a digital signal, and converts a digital signal to an analog signal. The digital signal processor demodulates the digital signal, detects the start and end of data, and generates a first control signal for determining whether data is transmitted to the external apparatus and a second control signal for perceiving the end of data, blocking the reception of data, modulating data, and determining whether modulated data is transmitted to the external apparatus. The central processing unit & logic module processes data received from and transmitted to the external apparatus. Accordingly, an efficiency of processing a RF signal can be improved.Type: GrantFiled: December 31, 2002Date of Patent: February 13, 2007Assignee: Electronics and Telecommunications Research InstituteInventors: Ji-man Park, Yong-sung Jeon, Hong-il Ju, Young-soo Park, Sung-ik Jun, Kyo-il Chung
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Publication number: 20040072552Abstract: Provided are a wireless communication medium and a method for operating the wireless communication medium. The wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a signal to and from an external apparatus. The analog signal processor converts an analog signal received via the antenna to a digital signal, and converts a digital signal to be transmitted to the external apparatus to an analog signal and transmits the analog signal to the antenna.Type: ApplicationFiled: December 31, 2002Publication date: April 15, 2004Inventors: Ji-man Park, Yong-sung Jeon, Hong-il Ju, Young-soo Park, Sung-ik Jun, Kyo-il Chung
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Patent number: RE43001Abstract: A wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a signal to and from an external apparatus. The analog signal processor converts an analog signal to a digital signal, and converts a digital signal to an analog signal. The digital signal processor demodulates the digital signal, detects the start and end of data, and generates a first control signal for determining whether data is transmitted to the external apparatus and a second control signal for perceiving the end of data, blocking the reception of data, modulating data, and determining whether modulated data is transmitted to the external apparatus. The central processing unit & logic module processes data received from and transmitted to the external apparatus. Accordingly, an efficiency of processing a RF signal can be improved.Type: GrantFiled: February 10, 2009Date of Patent: December 6, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Ji Man Park, Yong-sung Jeon, Hong-il Ju, Young-soo Park, Sung-ik Jun, Kyo-ill Chung