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  • Heeyoul Choi, Seungjin Choi
  • Computer Science
  • Proceedings. The 4nd International Conference on…
  • 2005 (First Publication: 19 July 2005)
  • In the human brain, it is well known that perception is based on similarity rather than coordinates and it is carried out on the manifold of data set. Isomap (Tenenbaum et al., 2000) is one ofExpand
    Isomap [4] is a manifold learning algorithm, which extends classical multidimensional scaling (MDS) by considering approximate geodesic distance instead of Euclidean distance. The approximateExpand
  • Heeyoul Choi, Sookjeong Kim, Seungjin Choi
  • Computer Science
  • IEEE International Joint Conference on Neural…
  • 2004 (First Publication: 25 July 2004)
  • A trust-region method is a quite attractive optimization technique, which finds a direction and a step size in an efficient and reliable manner with the help of a quadratic model of the objectiveExpand
  • Heegon Kim, Do-Young Lee, Se-Yeon Jeong, Heeyoul Choi, Jae-Hyung Yoo, James Won-Ki Hong
  • Computer Science
  • IEEE Conference on Network Softwarization…
  • 2019 (First Publication: 24 June 2019)
  • Software-Defined Networking (SDN) and Network Function Virtualization (NFV) are paradigms that help administrators to manage dynamic networks. While SDN allows centralized network control, NFVExpand
  • Stanislav Lange, Heegon Kim, Se-Yeon Jeong, Heeyoul Choi, Jae-Hyung Yoo, James Won-Ki Hong
  • Computer Science
  • 20th Asia-Pacific Network Operations and…
  • 2019 (First Publication: 1 September 2019)
  • In addition to providing network operators with benefits in terms of flexibility and cost efficiency, softwarization paradigms like SDN and NFV are key enablers for the concept of Service FunctionExpand