연번

논문제목

저자

학술지명

발표

년월

SCI여부

Impact

Factor

1

An efficient parameter update method of 360-degree VR image model

[download]

Hyunchul Lee, 

Okkyung Choi

[Scopus] International Journal of Engineering Business Management, Vol. 1, 2019

https://doi.org/10.1177/1847979019835993

2019.04

1

Real-time Fall Detection System Based on the Acceleration Sensor of Smartphone

[download]

Youngmin Lee, 

Hongjin Yeh, 

Ki-Hyung Kim

Okkyung Choi

[Scopus] International Journal of Engineering Business Management, Vol. 10, 2018

DOI: 10.1177/1847979017750669

2018.01

1

Two-factor authentication methodology using hybrid face recognition

[download]

Junghun Park, Bowon Jung,

Okkyung Choi

[Scopus] International Journal of Control and Automation, Vol.9, No.1 (2016), pp.435-444,

http://dx.doi.org/10.14257/ijca.2016.9.1.37

2016.01

2

A Secure NFC-Based Mobile Printing Service Using Recognition Robot

[download]

Eunmi Lee,

Hongjin Yeh,

Hyo-Sik Yang, Seungbin Moon, and

Okkyung Choi

International Journal of Distributed Sensor Networks

Volume 2015, Article ID 564506, 7 pages

http://dx.doi.org/10.1155/2015/564506

2015.02

SCIe

1.787

3

Security Techniques for Prevention of Rank Manipulation in Social Tagging Services including Robotic Domains

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Okkyung Choi, Hanyoung Jung, Seungbin Moon,

[SCIe] The Scientific World Journal, vol. 2014, Article ID 832638, 10 pages, doi:10.1155/2014/832638

2014.07.09

SCIe

1.730

4

An Efficient Hybrid Face Recognition Algorithm Using PCA and GABOR Wavelets

[download]

Hyunjong Cho, Rodney Roberts, Bowon Jung, Okkyung Choi,

Seungbin Moon,

[SCIe] International Journal of Advanced Robotic Systems

ISSN: 1729-8806,

Vol. 1, pp.1-8

2014.05.29

SCIe

0.821

5

An Extended DCT Domain Watermarking for Robot Vision against Geometric Image Attacks

[download]

Okkyung Choi,

InBae Jeon,

Seung-Wha Yoo, and Seungbin Moon

[SCIe] Journal of Applied Mathematics, pp. 1-8. Vol. 2013, Article ID 632043, doi:10.1155/2013/632043

ISSN: 1110-757X

2013.10.23

SCIe

0.834

6

Secure Mobile Payment Service Using Vibration Cues on Near Field Communication Smartphone

[download]

Okkyung Choi, Seolhwa Han, Seungbin Moon, Kangseok Kim, Hongjin Yeh, and Taesik Shon

[SCIe] Sensor Letters. Vol. 11, pp. 1750-1754

ISSN: 1546-198X

2013.09

SCIe

0.517

7

An interactive pervasive whiteboard based on MVC architecture for ubiquitous collaboration

[download]

Kangseok Kim, Wonjeong Ha, Okkyung Choi, Hongjin Yeh, Jai-Hoon Kim, Manpyo Hong, Taeshik Shon

[SCIe] International Journal of Multimedia Tools and Applications

ISSN: 1380-7501 (Print)

Vol. 65, No. 1, pp.1-30

2013.04.23

SCIe

0.617

8

Two-Factor Authentication System Based on Extended OTP Mechanism

[download]

Yunlim Ku,

Okkyung Choi, Kangseok Kim,

Taesik Shon,

Hongjin Yeh,

Manpyo Hong,

Jai-Hoom Kim

[SCIe] International Journal of Computer Mathematics

ISSN: 0020-7160 (Print) 1029-0265 (Online)

Vol. 89, pp.1-15

2013.02.14

SCIe

0.499

9

LZCode based compression method for effectively using the memory of embedded devices

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Hyunchul Lee, Kangseok Kim*, Okkyung Choi, Hongjin Yeh

[SCIe] International Journal of Communication Systems

ISSN: 1074-5351,

Volume 26, Issue 6, pp.747–756

2012.06.29

SCIe

0.406

10

Personalized Mobile Information

Retrieval System

[download]

Okkyung Choi, Kangseok Kim, Duksang Wang, Hongjin Yeh and Manpyo Hong

[SCIe]International Journal of Advanced Robotic Systems

ISSN: 1729-8806, 1729-8814 (Online)

Vol. 9, pp.1-7

2012.04.05

SCIe

0.821