Patents by Inventor Byeong Cheol Choi

Byeong Cheol Choi 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).

  • Publication number: 20120124370
    Abstract: A portable integrated security storage device includes: a password generation module for generating a password; a universal authentication module for storing universal authentication information; a communication interface connected to an external system for transmitting and receiving data with the external system; and a memory for storing the received data received through communication with the external system. The password and universal authentication information are transmitted to the external system for user authentication and device authentication, and encrypted data and a service secret key are received from the external system and stored in the memory.
    Type: Application
    Filed: November 11, 2011
    Publication date: May 17, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byeong Cheol CHOI, Jae Deok LIM, Seung Wan HAN
  • Publication number: 20120115447
    Abstract: The present invention discloses a system and method for providing a safety content service. The system for providing the safety content service includes a first mobile terminal which extracts meta information of new content when the new content is generated, a server which receives the meta information of the new content from the first mobile terminal, analyzes whether the content is harmful based on a file name and a hash value of the content contained in the meta information, and outputs an analysis result, and a second mobile terminal which receives the analysis result from the server. According to the present invention, it is possible to provide a service which can prevent children and teenagers from being exposed to harmful contents through mobile terminals such as smart phones such that the children and teenagers can safely use multimedia content.
    Type: Application
    Filed: October 31, 2011
    Publication date: May 10, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byeong Cheol CHOI, Jae Deok LIM, Seung Wan HAN
  • Patent number: 8139589
    Abstract: Provided are a gateway apparatus for providing multi-channel functionality in a sensor network, and a method and an apparatus for interfacing using serial peripheral interface (SPI) in the gateway apparatus. The SPI interfacing apparatus is connected to a plurality of wireless transmit/receive units, and receives a data frame via an SPI to output the data frame to a wireless transmit/receive unit, based on information regarding selection of the wireless transmit/receive unit, wherein the information is contained in the data frame. Then, the SPI interfacing unit receives data frames from the wireless transmit/receive units to output the data frames in a predetermined order via an SPI. Thus, the wireless transmit/receive units for providing multi-channel functionality can interface a signal processing unit by using an SPI method.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: March 20, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byeong Cheol Choi, Bong Wan Kim, Bong Soo Kim
  • Publication number: 20110153328
    Abstract: Provided is an obscene content analysis apparatus and method. The obscene content analysis apparatus includes a content input unit that receives content, an input data buffering unit that buffers the received content, wherein buffering is performed on content corresponding to a length of a previously set analysis section or a length longer than the analysis section, an obscenity analysis determining unit that determines whether or not the analysis section of audio data extracted from the buffered content is obscene by using a previously generated audio-based obscenity determining model and marks the analysis section with an obscenity mark when the analysis section is determined as obscene, a reproduction data buffering unit that accumulates and stores content in which obscenity has been determined by the obscenity analysis determining unit, and a content reproducing unit that reproduces the content while blocking the analysis section marked with the obscenity mark.
    Type: Application
    Filed: November 17, 2010
    Publication date: June 23, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae Deok LIM, Seung Wan HAN, Byeong Cheol CHOI, Byung Ho CHUNG
  • Publication number: 20110150328
    Abstract: Provided are an apparatus and method for blocking an objectionable image on the basis of multimodal and multiscale features.
    Type: Application
    Filed: December 13, 2010
    Publication date: June 23, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Wan HAN, Jae Deok Lim, Byeong Cheol Choi, Byung Ho Chung
  • Publication number: 20110140851
    Abstract: A wakeup-on-demand apparatus includes: a wakeup radio receiver (WRR) receiving a first radio signal to detect an address; and a main radio transceiver (MRT) responding to the first radio signal, transmitting and receiving a second radio signal for data communication, when the detected address coincides with a preset address.
    Type: Application
    Filed: October 28, 2010
    Publication date: June 16, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byung Bog LEE, Myung Nam Bae, Jae Hong Ruy, Byeong Cheol Choi, In Hawn Lee, Jong Arm Jun
  • Publication number: 20110142346
    Abstract: Provided are an apparatus and method for blocking objectionable multimedia based on skin color and face information. The apparatus for blocking objectionable multimedia can block objectionable multimedia by obtaining skin color and face information from multimedia learning data and analyzing it to generate features that may express the objectionability, for example, the presence of a person, a body shape, and the degree of nudity; generating objectionability classification model through statistical analysis and machine learning on the features; and determining the objectionability of newly input multimedia based on the objectionability classification model.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 16, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Wan HAN, Jae Deok LIM, Byeong Cheol CHOI, Byung Ho CHUNG
  • Publication number: 20110134818
    Abstract: A low-power method for media access control on a semi-linear sensor network with multiple sensor nodes, includes: sensing a channel after waking up from a sleep mode by an arbitrary transmission sensor node that has obtained data; and generating a long preamble including a number of element preambles and sending to a destination sensor node after said channel sensing. This method further includes: sending said data to said destination sensor node after completion of transmission of said long preamble; and identifying duty cycle information of said destination sensor node after completion of transmission of said data and adjusting the number of said element preambles according to said duty cycle information.
    Type: Application
    Filed: May 4, 2010
    Publication date: June 9, 2011
    Applicant: Electronics and Telecommunication Research Institute
    Inventors: Myung Nam BAE, Byung Bog LEE, Byeong Cheol CHOI, Jae Hong RUY, In Hwan LEE, Jong-Arm JUN
  • Publication number: 20110135204
    Abstract: A method for analyzing nudity of an image using a body part detection model includes: extracting a skin blob from an image; calculating a first probability value, which indicates a probability of determination on harmfulness of at least one of the image and the skin blob, using a harmfulness detection model; classifying the skin blob as a specific body part using a body part detection model, and calculating a second probability value which indicates a probability of certainty of said classifying; and rating nudity of the image based on the first probability value and the second probability value.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 9, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Byeong Cheol CHOI
  • Publication number: 20110123076
    Abstract: An apparatus for detecting specific human body parts in an image includes: a texture energy analysis unit for analyzing energy distribution in the image and generating texture energy maps; a candidate region-of-interest extraction unit for extracting candidate regions-of-interest for the specific body parts on a given texture energy map by applying a threshold to the given texture energy map, the given texture energy map being selected among the texture energy maps; a candidate mask application unit for performing convolution between candidate masks for the specific body parts and the candidate regions-of-interest and selecting candidate body parts based on results of the convolution; and a body part detection unit for detecting the specific body parts on the image by performing verification on the candidate body parts. The verification is performed by using machine-learning models for the specific body parts.
    Type: Application
    Filed: May 24, 2010
    Publication date: May 26, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventor: Byeong Cheol CHOI
  • Publication number: 20110116414
    Abstract: Provided are a bridge system, a network management server, and communication methods at the bridge system and the network management server for efficient communication in a wireless sensor network (WSN).
    Type: Application
    Filed: March 18, 2008
    Publication date: May 19, 2011
    Inventors: Eun-Ju Lee, Jae-Hong Ryu, Byeong-Cheol Choi, Bong-Wan Kim, Bong-Soo Kim, Cheol-Sig Pyo, Jong-Suk Chae
  • Publication number: 20110055556
    Abstract: Provided is a method for providing an anonymous public key infrastructure (PKI) in a user terminal. The method includes receiving a real-name certificate from a real-name PKI service domain, requesting an anonymous certificate to an anonymous PKI service domain, and receiving the anonymous certificate from the anonymous PKI service domain. Accordingly, the method can ensure anonymity when a user uses a service by providing the anonymous certificate in association with the PKI-based real-name certificate.
    Type: Application
    Filed: July 11, 2008
    Publication date: March 3, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byeong Cheol Choi, So Hee Park, Jeong Nyeo Kim
  • Publication number: 20100146157
    Abstract: Provided are a method of mediating a plurality of radio frequency (RF) transceivers, which is performed in a sink node in order to perform multi-radio interfacing between the sink node and a plurality of sensor nodes in a wireless sensor network (WSN), and a direct memory access (DMA) based data transfer method.
    Type: Application
    Filed: September 28, 2009
    Publication date: June 10, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byeong Cheol CHOI, In Hwan Lee, Byung Bog Lee, Myung Nam Bae, Nae Soo Kim
  • Publication number: 20100077477
    Abstract: The present invention relates to a system for automatically managing integrity reference information and a method of managing the same. The system includes one or more systems, a system management server, and an integrity management server. The systems are connected over a network and communication with each other. Each of the systems has an integrity measurement program to generate integrity information. The system management server has registration information about each of the systems connected over the network and registration information about a program distributed to each of the systems. Further, the system management server controls network access by each of the systems.
    Type: Application
    Filed: April 16, 2009
    Publication date: March 25, 2010
    Inventors: Jae Deok LIM, Byeong Cheol CHOI, So Hee PARK, Jeong Nyeo KIM
  • Publication number: 20100077167
    Abstract: A data storage device having a smart card based copy protection function is provided. The data storage device encodes data using the temper resistant key of the smart card as the encoding seed, stores the encoded data, and transmits the encoded data to other device. Therefore, it is impossible to modulate or to make the illegal copy of stored or transmitted data, and the reliability of the storage device can be improved.
    Type: Application
    Filed: October 9, 2007
    Publication date: March 25, 2010
    Inventors: Byeong Cheol Choi, Seung Wan Han, Byung Ho Chung, Jeong Nyeo Kim
  • Patent number: 7680062
    Abstract: An apparatus and method for controlling abnormal traffic are provided. The apparatus includes: a list management unit which stores a list of Internet Protocols (IPs) transmitting normal packets and, conditionally, announces that the current packet traffic is packet traffic generated by a registered IP; a channel allocation unit which allocates channels to the input packets in such a manner that a packet determined as being normal is given priority over a packet determined as being abnormal, transmits the input packets to a network node, and transmits IP information regarding the input packets that are determined as being normal; a success rate determination unit which determines a service success rate for packets received from a registered IP; and a channel number adjustment unit which transmits the predetermined command to the channel allocation unit so that the channel allocation unit can adjust the number of channels reserved for allocation to normal packets.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: March 16, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Kwang Sik Kim, Byeong Cheol Choi, Dong Il Seo
  • Publication number: 20100042788
    Abstract: Provided are a method and apparatus for controlling a shared memory, and a method of accessing the shared memory. The apparatus includes a processing unit configured to process an application program, a user program unit configured to execute a program written by a user based on the application program of the processing unit, a shared memory unit connected to each of the processing unit and the user program unit through a system bus and configured to store data interchanged between the processing unit and the user program unit, and a control unit configured to relay a control signal indicating whether the system bus, by which the data is interchanged between the processing unit and the user program unit, is occupied, and control connection of each of the processing unit and the user program unit with the system bus in response to the control signal.
    Type: Application
    Filed: August 11, 2009
    Publication date: February 18, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byung Bog LEE, Myung Nam BAE, Byeong Cheol CHOI, In Hwan LEE, Nae Soo KIM
  • Publication number: 20100036781
    Abstract: Provided are an apparatus and method for detecting illegal motion picture data. The apparatus includes a key frame extractor for extracting a plurality of key frames from motion picture data, a characteristic value file generator for detecting characteristic values of the extracted key frames and generating a characteristic value file, and an illegality determiner for measuring degree of similarity between a previously stored learning model file and the characteristic value file and determining whether or not the motion picture data is legal according to the degree of similarity.
    Type: Application
    Filed: May 14, 2009
    Publication date: February 11, 2010
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byeong Cheol CHOI, Seung Wan HAN, Chi Yoon JEONG, Jae Deok LIM, So Hee PARK, Jeong Nyeo KIM
  • Publication number: 20090147710
    Abstract: Provided are a gateway apparatus for providing multi-channel functionality in a sensor network, and a method and an apparatus for interfacing using serial peripheral interface (SPI) in the gateway apparatus. The SPI interfacing apparatus is connected to a plurality of wireless transmit/receive units, and receives a data frame via an SPI to output the data frame to a wireless transmit/receive unit, based on information regarding selection of the wireless transmit/receive unit, wherein the information is contained in the data frame. Then, the SPI interfacing unit receives data frames from the wireless transmit/receive units to output the data frames in a predetermined order via an SPI. Thus, the wireless transmit/receive units for providing multi-channel functionality can interface a signal processing unit by using an SPI method.
    Type: Application
    Filed: May 29, 2008
    Publication date: June 11, 2009
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Byeong Cheol Choi, Bong Wan Kim, Bong Soo Kim
  • Publication number: 20090141741
    Abstract: Provided are a method and apparatus for connecting a sensor network to a heterogeneous network, in which an external network connected to the sensor network functions as a virtual personal area network (PAN) so that the same PAN address system is used between the sensor network and the external network by using a concept of a ‘virtual PAN’. According to the method and apparatus for connecting the sensor network to the heterogeneous network, a node of the sensor network can efficiently communicate with a node of the external network including the heterogeneous network by assigning the virtual PAN address to the node of the external network including the heterogeneous network without inserting any additional layer into the node of the sensor network.
    Type: Application
    Filed: July 21, 2008
    Publication date: June 4, 2009
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Bong Wan KIM, Byeong Cheol Choi, Eun Ju Lee, Jae Hong Ruy, Bong Soo Kim, Cheol Sig Pyo, Jong-Suk Chae