• 1101 Citations
  • 15 h-Index
1988 …2019

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2019

Suppression algorithm of speckle noise for parallel phase-shift digital holography

Jeong, W., Son, K., Cho, J., Yang, H. & Park, N. C., 2019 Apr 15, In : Optics and Laser Technology. 112, p. 93-100 8 p.

Research output: Contribution to journalArticle

2018

Autofocusing algorithm for a digital holographic imaging system using convolutional neural networks

Son, K., Jeong, W., Jeon, W. & Yang, H., 2018 Sep, In : Japanese Journal of Applied Physics. 57, 9, 09SB02.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Development of foxtail robot mechanism using phase difference motion for narrow space

Lee, D. L., JeGal, M. S. & Yang, H. S., 2018 Dec, In : Transactions of the Korean Society of Mechanical Engineers, B. 42, 12, p. 843-851 9 p.

Research output: Contribution to journalArticle

Speckle noise reduction for digital holographic images using multi-scale convolutional neural networks

Jeon, W., Jeong, W., Son, K. & Yang, H., 2018 Sep 1, In : Optics Letters. 43, 17, p. 4240-4243 4 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2017

An Adaptive Disturbance Rejection Method with Stability Enhancement Using Adjustable Dead Zone for Hard Disk Drives

Lee, J. S., Lim, S. Y., Kim, I., Jeong, W., Park, S. & Yang, H., 2017 Mar, In : IEEE Transactions on Magnetics. 53, 3, 7738570.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2016

Tilt measurement and compensation algorithm for holographic data storage with optimized quadratic windows

Son, K., Lim, S. Y., Lee, J. S., Jeong, W. & Yang, H., 2016 Sep, In : Japanese Journal of Applied Physics. 55, 9, 09SA02.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Intelligence control system compensation by DNA coding method in holographic data storage system

Kim, J. H., Yang, H. & Jeong, W., 2015 May 13, In : Microsystem Technologies. 21, 12, p. 2777-2787 11 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2014

An intelligent distortion-detection algorithm for restoring data in a holographic data storage system

Jeong, W., Kim, J. H., Lim, S. Y., Lee, J. S. & Yang, H., 2014 Aug, In : Microsystem Technologies. 20, 8-9, p. 1571-1578 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Generation of fuzzy rules and learning algorithm for servo control in holographic data storage system

Kim, J. H., Yang, H. & Jeong, W., 2014 Aug, In : Microsystem Technologies. 20, 8-9, p. 1613-1621 9 p.

Research output: Contribution to journalArticle

Measurement of slot misalignment in an optical archive data storage system using dual sensing

Lim, S. Y., Yang, H., Yoo, S., Lee, H. B. & Do Choi, Y., 2014 Jan 1, In : Microsystem Technologies. 20, 8-9, p. 1549-1555 7 p.

Research output: Contribution to journalArticle

2013

Design and control method for a high-mobility in-pipe robot with flexible links

Jeon, W., Kim, I., Park, J. & Yang, H., 2013 Jul 29, In : Industrial Robot. 40, 3, p. 261-274 14 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Disturbances analysis considering an effective servo system for holographic disc drive

Lim, S. Y., Lee, J., Lee, J. S., Jeong, W., Yang, H., Park, N. C., Park, K. S. & Park, Y. P., 2013 Sep 1, In : Japanese journal of applied physics. 52, 9 PART3, 09LF03.

Research output: Contribution to journalArticle

Improved nanogap servo system using an error-based disturbance observer for high-speed in solid immersion lens-based plasmonic lithography

Lim, G., Kim, T., Lee, W. S., Choi, G. J., Park, K. S., Park, Y. P., Yang, H. & Park, N. C., 2013 Sep 1, In : Japanese journal of applied physics. 52, 9 PART3, 09LG02.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Improvement of bit error rate in holographic data storage using the extended high-frequency enhancement filter

Kim, D. H., Cho, J., Moon, H., Jeon, S., Park, N. C., Yang, H., Park, K. S. & Park, Y. P., 2013 Sep 1, In : Japanese journal of applied physics. 52, 9 PART3, 09LD06.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Tilt servo control by intelligent algorithm in holographic data storage system

Kim, J. H., Jeong, W. & Yang, H., 2013 Sep 1, In : Japanese journal of applied physics. 52, 9 PART3, 09LD12.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Twyman-Green interferometer using virtual optics for eliminating reference wave

Min, C. K., Jeon, S., Moon, H., Park, K. S., Park, N. C., Yang, H. & Park, Y. P., 2013 Sep 1, In : Microsystem Technologies. 19, 9-10, p. 1505-1511 7 p.

Research output: Contribution to journalArticle

2012

Analysis of inter-symbol-interference caused by shift misalignment of two objective lenses in high-NA micro holographic storage

Min, C. K., Kim, D. H., Jeon, S., Park, K. S., Park, Y. P., Yang, H., Park, N. C. & Kim, J., 2012 Sep 1, In : Microsystem Technologies. 18, 9-10, p. 1623-1631 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

An auto-focus lens actuator using ionic polymer metal composites: Design, fabrication and control

Kim, C., Kim, S. J., Yang, H., Park, N. C. & Park, Y. P., 2012 Oct 1, In : International Journal of Precision Engineering and Manufacturing. 13, 10, p. 1883-1887 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Application of solid immersion lens-based near-field recording technology to high-speed plasmonic nanolithography

Park, K. S., Kim, T., Lee, W. S., Joe, H. E., Min, B. K., Park, Y. P., Yang, H., Kang, S. M. & Park, N. C., 2012 Aug 1, In : Japanese journal of applied physics. 51, 8 PART 3, 08JF01.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Line tracking applied data acquisition method for holographic data storage system

Lee, J. S., Kim, N., Lim, S. Y., Kim, J. H., Park, K. S., Park, N. C., Yang, H. & Park, Y. P., 2012 Aug 1, In : Japanese journal of applied physics. 51, 8 PART 3, 08JD07.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Novel mechanisms and simple locomotion strategies for an in-pipe robot that can inspect various pipe types

Lee, D., Park, J., Hyun, D., Yook, G. & Yang, H. S., 2012 Oct 1, In : Mechanism and Machine Theory. 56, p. 52-68 17 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Pattern analysis for tilt servo control in holographic data storage system

Kim, J. H., Yang, H., Kim, N., Jeong, W. & Park, J. B., 2012 Sep 1, In : Microsystem Technologies. 18, 9-10, p. 1677-1692 16 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Practical Implementation of the Normalized Dynamic Energy Stability Margin for Wheeled Robots

Yuk, G. H., Cho, W. H. & Yang, H. S., 2012 Dec 1, In : International Journal of Precision Engineering and Manufacturing. 13, 1, p. 49-56 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Tracking servo method for holographic data storage using discrete pre-patterns

Lim, S. Y., Kim, N., Jung, K., Lee, J. S., Kang, Y. K., Yang, H., Park, K. S., Park, N. C. & Park, Y. P., 2012 Sep 1, In : Microsystem Technologies. 18, 9-10, p. 1711-1717 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2011

Applications of next generation optical data storage technologies

Park, N. C., Park, Y. P., Park, K. S. & Yang, H., 2011 Mar 1, In : IEEE Transactions on Magnetics. 47, 3, p. 669-678 10 p., 5721851.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Focusing error detection method in microholographic data storage system using polarization characteristics

Kim, T., Im, C. H., Lee, S. H., Kim, N., Park, N. C., Yang, H., Park, Y. P. & Park, K. S., 2011 Sep 1, In : Japanese Journal of Applied Physics. 50, 9 PART 2, 09ME07.

Research output: Contribution to journalArticle

High-speed gap servo control for solid-immersion-lens-based near-field recording system with a flexible optical disk

Hwang, H., Kim, J. G., Song, K. W., Park, K. S., Park, N. C., Yang, H., Rhim, Y. C. & Park, Y. P., 2011 Sep 1, In : Japanese journal of applied physics. 50, 9 PART 2, 09MC04.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Improved air gap control with acceleration feedforward controller using time delay for solid immersion lens-based near-field storage system

Kim, J. G., Hwang, H. W., Park, K. S., Park, N. C., Yang, H., Park, Y. P. & Jeong, J., 2011 Mar 1, In : IEEE Transactions on Magnetics. 47, 3, p. 556-559 4 p., 5721871.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Improved safety mode considering external shock direction for near-field recording system using SIL

Hwang, H., Kim, J. G., Park, K. S., Park, N. C., Yang, H. & Park, Y. P., 2011 Jun 1, In : Microsystem Technologies. 17, 5-7, p. 1091-1098 8 p.

Research output: Contribution to journalArticle

Increasing the storage density of a page-based holographic data storage system by image upscaling using the PSF of the Nyquist aperture

Lee, S. H., Lim, S. Y., Kim, N., Park, N. C., Yang, H., Park, K. S. & Park, Y. P., 2011 Jun 20, In : Optics Express. 19, 13, p. 12053-12065 13 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Micro holographic recording characteristic with defocused micrograting

Min, C. K., Kim, D. H., Kim, N., Park, N. C., Park, K. S., Yang, H. & Park, Y. P., 2011 Mar 1, In : IEEE Transactions on Magnetics. 47, 3, p. 581-584 4 p., 5721850.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Normal-force control for an in-pipe robot according to the inclination of pipelines

Park, J., Hyun, D., Cho, W. H., Kim, T. H. & Yang, H. S., 2011 Dec 1, In : IEEE Transactions on Industrial Electronics. 58, 12, p. 5304-5310 7 p., 5648345.

Research output: Contribution to journalArticle

41 Citations (Scopus)

Optical design of a single-sided microholographic data-storage system using a diffractive optical element and a blue laser

Lee, S. H., Park, N. C., Yang, H., Park, K. S. & Park, Y. P., 2011 May 1, In : Journal of Optics. 13, 5, 055403.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Tracking servo method using reflective optical filter for holographic data storage system

Song, H. C., Kim, N., Kim, D. H., Lim, S. Y., Cho, J. H., Yang, H., Park, N. C., Park, K. S. & Park, Y. P., 2011 Jun, In : Microsystem Technologies. 17, 5-7, p. 1057-1066 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2010

Dead-reckoning sensor system and tracking algorithm for 3-D pipeline mapping

Hyun, D., Yang, H. S., Park, H. S. & Kim, H. J., 2010 Mar 1, In : Mechatronics. 20, 2, p. 213-223 11 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Improved antishock air-gap control algorithm with acceleration feedforward control for high-numerical aperture near-field storage system using solid immersion lens

Kim, J. G., Shin, W. H., Hwang, H. W., Jeong, J., Park, K. S., Park, N. C., Yang, H., Park, Y. P., Park, J. M., Son, D. H., Seo, J. K. & Choi, I. H., 2010 Aug 1, In : Japanese journal of applied physics. 49, 8 PART 3, 08KC06.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Improved gap servo system using a brake pulse for a SIL-based near-field recording system

Kim, J. G., Kang, M. S., Shin, W. H., Park, N. C., Yang, H. S., Park, Y. P., Lee, J., Jeong, A., Shin, J. & Lee, K., 2010 Jan 1, In : Microsystem Technologies. 16, 1-2, p. 309-315 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Radial tilt compensation method of holographic disk drive

Kim, N., Yoon, P., Kim, K., Park, G. & Yang, H., 2010 Feb 1, In : Optical Review. 17, 1, p. 10-13 4 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Variable stiffness mechanism for human-friendly robots

Hyun, D., Yang, H. S., Park, J. & Shim, Y., 2010 Jun 1, In : Mechanism and Machine Theory. 45, 6, p. 880-897 18 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)
2009

Anti-shock air gap control for SIL-based near-field recording system

Kim, J. G., Kim, W. C., Hwang, H. W., Shin, W. H., Park, K. S., Park, N. C., Yang, H. & Park, Y. P., 2009 May 1, In : IEEE Transactions on Magnetics. 45, 5, p. 2244-2247 4 p., 4816008.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Design of micromirror actuator by ionic polymer metal composites

Yun, H. U., Kim, C. J., Kim, S. J., Park, N. C., Yang, H. & Park, Y. P., 2009 Oct, In : Microsystem Technologies. 15, 10-11, p. 1531-1538 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Design of tracking servo control system for holographic data storage

Yang, J., Yang, H. S., Kim, S. H., Park, J. Y. & Park, Y. P., 2009 Jan 1, In : Microsystem Technologies. 15, 10-11, p. 1711-1717 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Differential optical navigation sensor for mobile robots

Hyun, D., Yang, H. S., Park, H. R. & Park, H. S., 2009 Dec 1, In : Sensors and Actuators, A: Physical. 156, 2, p. 296-301 6 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Effect of air bearing surface on shock resistance of optical head for solid immersion lens based near field recording system

Lee, Y., Lee, Y. E., Kim, K. H., Kim, S., Yang, H., Park, Y. P. & Park, K. S., 2009 May 1, In : IEEE Transactions on Magnetics. 45, 5, p. 2236-2239 4 p., 4816007.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Improved air gap controller for solid immersion lens-based near-field recording servo system

Kim, J. G., Shin, W. H., Jeong, J., Park, K. S., Park, N. C., Yang, H. & Park, Y. P., 2009 Mar 1, In : Japanese journal of applied physics. 48, 3 PART 2, 03A044.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Improvement of protection process using observer for soild imersion lens-based near-field recording

Hwang, H., Kim, S. H., Kim, J. G., Kwon, T. W., Yang, H., Park, N. C. & Park, Y. P., 2009 Mar 1, In : Japanese journal of applied physics. 48, 3 PART 2, 03A046.

Research output: Contribution to journalArticle

1 Citation (Scopus)

New multiplexing method of holographic data storage system

Kim, J. H., Kim, S. H., Yang, H., Park, J. B. & Park, Y. P., 2009 Oct, In : Microsystem Technologies. 15, 10-11, p. 1753-1761 9 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Ramp tolerance analysis considering geometric errors

Kim, K. H., Lee, Y., Kim, S., Yang, H., Park, Y. P., Park, K. S., Yoo, J. & Kim, C. S., 2009 May 1, In : IEEE Transactions on Magnetics. 45, 5, p. 2284-2287 4 p., 4816009.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Tilt detection and servo control method for the holographic data storage system

Kim, S. H., Kim, J. H., Yang, J., Yang, H., Park, J. Y. & Park, Y. P., 2009 Oct, In : Microsystem Technologies. 15, 10-11, p. 1695-1700 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Tilt Error Measurement and Compensation Method for the Holographic Data Storage System Using Disturbance Observer

Kim, S. H., Kim, J. H., Lee, Y., Yang, H., Park, J. Y., Park, K. S. & Park, Y. P., 2009 May 1, In : IEEE Transactions on Magnetics. 45, 5, p. 2248-2251 4 p., 4815995.

Research output: Contribution to journalArticle

5 Citations (Scopus)