Patents by Inventor Sung-Woo Ahn

Sung-Woo Ahn 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: 20240107032
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Application
    Filed: December 7, 2023
    Publication date: March 28, 2024
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul CHOI, Se Yoon JEONG, Sung-Chang LIM, Jin Soo CHOI, Jin Woo HONG, Dong Gyu SIM, Seoung-Jun OH, Chang-Beom AHN, Gwang Hoon PARK, Seung Ryong KOOK, Sea-Nae PARK, Kwang-Su JEONG
  • Patent number: 8164424
    Abstract: A system of electronic tag has developed for integrated processing by utilizing RFID technology, which comprises a reader for collecting information, processor for processing success failure, unsure state of instruction, and a terminal for submitting transaction and receiving the result of transaction to identify.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: April 24, 2012
    Assignee: Pusan National University Industry-University Cooperation Foundation
    Inventors: Bong-Hee Hong, Ryuan Choi, Woo-Seok Ryu, Sung-Woo Ahn
  • Publication number: 20090212922
    Abstract: A system of electronic tag has developed for integrated processing by utilizing RFID technology, which comprises a reader for collecting information, processor for processing success failure, unsure state of instruction, and a terminal for submitting transaction and receiving the result of transaction to identify.
    Type: Application
    Filed: February 9, 2009
    Publication date: August 27, 2009
    Inventors: Bong-Hee Hong, Ryuan Choi, Woo-Seok Ryu, Sung-Woo Ahn