• 4444 Citations
  • 28 h-Index
1987 …2020

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Article
2020

Fast and Accurate 3D Hand Pose Estimation via Recurrent Neural Network for Capturing Hand Articulations

Yoo, C. H., Ji, S., Shin, Y. G., Kim, S. W. & Ko, S. J., 2020, In : IEEE Access. 8, p. 114010-114019 10 p., 9114986.

Research output: Contribution to journalArticle

Open Access

Improving the robustness of gaze tracking under unconstrained illumination conditions

Uhm, K. H., Kang, M. C., Kim, J. Y. & Ko, S. J., 2020 Jan 1, (Accepted/In press) In : Multimedia Tools and Applications.

Research output: Contribution to journalArticle

Lightweight Prediction and Boundary Attention-Based Semantic Segmentation for Road Scene Understanding

Sun, J. Y., Jung, S. W. & Ko, S. J., 2020, In : IEEE Access. 8, p. 108449-108460 12 p., 9114881.

Research output: Contribution to journalArticle

Open Access

Quaternary Census Transform Based on the Human Visual System for Stereo Matching

Ji, S., Kim, S. W., Lim, D., Jung, S. W. & Ko, S. J., 2020, In : IEEE Access. 8, p. 116501-116514 14 p., 9121926.

Research output: Contribution to journalArticle

Open Access

Simple Yet Effective Way for Improving the Performance of Lossy Image Compression

Yeo, Y. J., Shin, Y. G., Sagong, M. C., Kim, S. W. & Ko, S. J., 2020, In : IEEE Signal Processing Letters. 27, p. 530-534 5 p., 9044407.

Research output: Contribution to journalArticle

Unsupervised Deep Contrast Enhancement with Power Constraint for OLED Displays

Shin, Y. G., Park, S., Yeo, Y. J., Yoo, M. J. & Ko, S. J., 2020 Jan 1, In : IEEE Transactions on Image Processing. 29, p. 2834-2844 11 p., 8906230.

Research output: Contribution to journalArticle

2019

An optimization framework for inverse tone mapping using a single low dynamic range image

Fan, M., Lee, D. H., Kim, S. W. & Ko, S-J., 2019 Oct 1, In : Signal Processing: Image Communication. 78, p. 274-283 10 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Context-aware encoding for clothing parsing

Yoo, C. H., Shin, Y. G., Kim, S. W. & Ko, S-J., 2019 Jun 13, In : Electronics Letters. 55, 12, p. 692-693 2 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Contrast Enhancement Using Sensitivity Model-Based Sigmoid Function

Park, S., Shin, Y. G. & Ko, S. J., 2019, In : IEEE Access. 7, p. 161573-161583 11 p., 8891721.

Research output: Contribution to journalArticle

Open Access

Selective sampling and optimal filtering for subpixel-based image down-sampling

Chae, S. H., Kim, S. T., Kim, J. Y., Yoo, C. H. & Ko, S. J., 2019 Jan 1, In : IEEE Access. 7, p. 124096-124105 10 p., 8819919.

Research output: Contribution to journalArticle

Open Access
2018

A novel contrast enhancement forensics based on convolutional neural networks

Sun, J. Y., Kim, S. W., Lee, S. W. & Ko, S-J., 2018 Jan 1, (Accepted/In press) In : Signal Processing: Image Communication.

Research output: Contribution to journalArticle

12 Citations (Scopus)

A Robust Extrinsic Calibration Method for Non-contact Gaze Tracking in the 3-D Space

Kang, M. C., Yoo, C. H., Uhm, K. H., Lee, D. H. & Ko, S-J., 2018 Aug 24, (Accepted/In press) In : IEEE Access.

Research output: Contribution to journalArticle

4 Citations (Scopus)

CNN-based UGS method using Cartesian-to-polar coordinate transformation

Kim, B. S., Sun, J. Y., Kim, S. W., Kang, M. C. & Ko, S-J., 2018 Nov 15, In : Electronics Letters. 54, 23, p. 1321-1322 2 p.

Research output: Contribution to journalArticle

Color image interpolation in the DCT domain using a wavelet-based differential value

Choi, M. R., Ko, S-J., Kwon, G. R. & Lama, R. K., 2018 Jan 11, (Accepted/In press) In : Multimedia Tools and Applications. p. 1-18 18 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

High dynamic range image tone mapping based on asymmetric model of retinal adaptation

Lee, D. H., Fan, M., Kim, S. W., Kang, M. C. & Ko, S-J., 2018 Oct 1, In : Signal Processing: Image Communication. 68, p. 120-128 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Split-and-Merge-Based Block Partitioning for High Efficiency Image Coding

Choi, B. D. & Ko, S-J., 2018 Feb 1, In : IEEE Transactions on Circuits and Systems for Video Technology. 28, 2, p. 540-549 10 p., 7583648.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2017

An enhanced obstacle avoidance method for the visually impaired using deformable grid

Kang, M. C., Chae, S. H., Sun, J. Y., Lee, S. H. & Ko, S-J., 2017 May 1, In : IEEE Transactions on Consumer Electronics. 63, 2, p. 169-177 9 p., 8013256.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Collision detection method using image segmentation for the visually impaired

Chae, S. H., Kang, M. C., Sun, J. Y., Kim, B. S. & Ko, S-J., 2017 Nov 1, In : IEEE Transactions on Consumer Electronics. 63, 4, p. 392-400 9 p., 8246796.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Content-preserving video stitching method for multi-camera systems

Kim, B. S., Choi, K. A., Park, W. J., Kim, S. W. & Ko, S-J., 2017 May 1, In : IEEE Transactions on Consumer Electronics. 63, 2, p. 109-116 8 p., 8013249.

Research output: Contribution to journalArticle

7 Citations (Scopus)

High-dimensional feature extraction using bit-plane decomposition of local binary patterns for robust face recognition

Yoo, C. H., Kim, S. W., Jung, J. Y. & Ko, S-J., 2017 May 1, In : Journal of Visual Communication and Image Representation. 45, p. 11-19 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Illumination normalisation using convolutional neural network with application to face recognition

Kim, Y. H., Kim, H., Kim, S. W., Kim, H. Y. & Ko, S-J., 2017 Mar 16, In : Electronics Letters. 53, 6, p. 399-401 3 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Omnidirectional video coding using latitude adaptive down-sampling and pixel rearrangement

Lee, S. H., Kim, S. T., Yip, E., Choi, B. D., Song, J. & Ko, S. J., 2017, In : Electronics Letters. 53, 10, p. 655-657 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Stereo vision-based high dynamic range imaging using differently-exposed image pair

Park, W. J., Ji, S. W., Kang, S. J., Jung, S. W. & Ko, S. J., 2017 Jul 1, In : Sensors (Switzerland). 17, 7, 1473.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Subpixel rendering for the pentile display based on the human visual system

Chae, S. H., Yoo, C. H., Sun, J. Y., Kang, M. C. & Ko, S-J., 2017 Nov 1, In : IEEE Transactions on Consumer Electronics. 63, 4, p. 401-409 9 p., 8246797.

Research output: Contribution to journalArticle

3 Citations (Scopus)
2016

2D histogram equalisation based on the human visual system

Kim, S. W., Choi, B. D., Park, W. J. & Ko, S-J., 2016 Mar 17, In : Electronics Letters. 52, 6, p. 443-445 3 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

An edge-guided image interpolation method using Taylor series approximation

Lee, S. J., Kang, M. C., Uhm, K. H. & Ko, S-J., 2016 May 1, In : IEEE Transactions on Consumer Electronics. 62, 2, p. 159-165 7 p., 7514715.

Research output: Contribution to journalArticle

13 Citations (Scopus)

A Novel Quality Assessment Method for Flat Panel Display Defects

Kim, H., Gu, H., Kim, Y. H., Choi, K. A. & Ko, S-J., 2016 May 1, In : IEEE/OSA Journal of Display Technology. 12, 5, p. 500-505 6 p., 7368869.

Research output: Contribution to journalArticle

Automatic facial pore analysis system using multi-scale pore detection

Sun, J. Y., Kim, S. W., Lee, S. H., Choi, J. E. & Ko, S-J., 2016, (Accepted/In press) In : Skin Research and Technology.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Camera-Based Color Calibration Method for Multiple Flat-Panel Displays Using Smartphone

Jung, J. Y., Kim, S. W., Park, S., Choi, B. D. & Ko, S-J., 2016 Dec 1, In : Journal of Display Technology. 12, 12, p. 1777-1784 8 p., 7588054.

Research output: Contribution to journalArticle

Iterative image dehazing using the dark channel prior

Lee, S. H., Jung, S. W. & Ko, S-J., 2016 Oct 1, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E99A, 10, p. 1904-1906 3 p.

Research output: Contribution to journalArticle

LBP-ferns-based feature extraction for robust facial recognition

Jung, J. Y., Kim, S. W., Yoo, C. H., Park, W. J. & Ko, S-J., 2016 Nov 1, In : IEEE Transactions on Consumer Electronics. 62, 4, p. 446-453 8 p., 7838098.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Remote eye-gaze tracking method robust to the device rotation

Kim, S. T., Choi, K. A., Shin, Y. G., Kang, M. C. & Ko, S-J., 2016 Aug 1, In : Optical Engineering. 55, 8, 083108.

Research output: Contribution to journalArticle

Retinex-based illumination normalization using class-based illumination subspace for robust face recognition

Kim, S. W., Jung, J. Y., Yoo, C. H. & Ko, S-J., 2016 Mar 1, In : Signal Processing. 120, p. 348-358 11 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Vector Radix 2 × 2 Sliding Fast Fourier Transform

Byun, K. Y., Park, C. S., Sun, J. Y. & Ko, S-J., 2016, In : Mathematical Problems in Engineering. 2016, 2416286.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2015

A fast noise-robust interpolation method based on second-order directional-derivatives

Lee, S. J., Kim, J. H., Kang, S. J., Choe, W. & Ko, S-J., 2015 Aug 1, In : IEEE Transactions on Consumer Electronics. 61, 3, p. 368-375 8 p., 7298297.

Research output: Contribution to journalArticle

2 Citations (Scopus)

A novel obstacle detection method based on deformable grid for the visually impaired

Kang, M. C., Chae, S. H., Sun, J. Y., Yoo, J. W. & Ko, S-J., 2015 Aug 1, In : IEEE Transactions on Consumer Electronics. 61, 3, p. 376-383 8 p., 7298298.

Research output: Contribution to journalArticle

22 Citations (Scopus)

A novel single IR light based gaze estimation method using virtual glints

Shin, Y. G., Choi, K. A., Kim, S. T. & Ko, S-J., 2015 May 1, In : IEEE Transactions on Consumer Electronics. 61, 2, p. 254-260 7 p., 7150601.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Random projection-based partial feature extraction for robust face recognition

Ma, C., Jung, J. Y., Kim, S. W. & Ko, S-J., 2015 Jan 1, In : Neurocomputing. 149, PC, p. 1232-1244 13 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Robust remote gaze estimation method based on multiple geometric transforms

Ma, C., Choi, K. A., Choi, B. D. & Ko, S-J., 2015 Aug 1, In : Optical Engineering. 54, 8, 083103.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2014

A new human perception-based over-exposure detection method for color images

Yoon, Y. J., Byun, K. Y., Lee, D. H., Jung, S. W. & Ko, S. J., 2014 Sep 15, In : Sensors (Switzerland). 14, 9, p. 17159-17173 15 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

A novel depth image enhancement method based on the linear surface model

Kang, S. J., Kang, M. C., Kim, D. H. & Ko, S-J., 2014 Nov 1, In : IEEE Transactions on Consumer Electronics. 60, 4, p. 710-718 9 p., 7027347.

Research output: Contribution to journalArticle

3 Citations (Scopus)

A robust obstacle detection method for robotic vacuum cleaners

Kang, M. C., Kim, K. S., Noh, D. K., Han, J. W. & Ko, S-J., 2014 Nov 1, In : IEEE Transactions on Consumer Electronics. 60, 4, p. 587-595 9 p., 7027291.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Correction of the overexposed region in digital color image

Lee, D. H., Yoon, Y. J., Kang, S. J. & Ko, S-J., 2014 Jan 1, In : IEEE Transactions on Consumer Electronics. 60, 2, p. 173-178 6 p., 6851990.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Eigen directional bit-planes for robust face recognition

Lei, L., Kim, S. W., Park, W. J., Kim, D. H. & Ko, S-J., 2014 Nov 1, In : IEEE Transactions on Consumer Electronics. 60, 4, p. 702-709 8 p., 7027346.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Face recognition using LBP Eigenfaces

Lei, L., Kim, D. H., Park, W. J. & Ko, S-J., 2014 Jan 1, In : IEICE Transactions on Information and Systems. E97-D, 7, p. 1930-1932 3 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Improved remote gaze estimation using corneal reflection-adaptive geometric transforms

Ma, C., Baek, S. J., Choi, K. A. & Ko, S. J., 2014 May, In : Optical Engineering. 53, 5, 053112.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Improving the usability of remote eye gaze tracking for human-device interaction

Choi, K. A., Ma, C. & Ko, S-J., 2014 Aug 1, In : IEEE Transactions on Consumer Electronics. 60, 3, p. 493-498 6 p., 6937305.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Kernel-based structural binary pattern tracking

Kim, D. H., Kim, H. K., Lee, S. J., Park, W. J. & Ko, S-J., 2014 Jan 1, In : IEEE Transactions on Circuits and Systems for Video Technology. 24, 8, p. 1288-1300 13 p., 6739132.

Research output: Contribution to journalArticle

12 Citations (Scopus)

The hopping discrete fourier transform

Park, C. S. & Ko, S-J., 2014, In : IEEE Signal Processing Magazine. 31, 2, p. 135-139 5 p., 6739232.

Research output: Contribution to journalArticle

32 Citations (Scopus)
2013

Eyeball model-based iris center localization for visible image-based eye-gaze tracking systems

Baek, S. J., Choi, K. A., Ma, C., Kim, Y. H. & Ko, S. J., 2013, In : IEEE Transactions on Consumer Electronics. 59, 2, p. 415-421 7 p., 6531125.

Research output: Contribution to journalArticle

43 Citations (Scopus)