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  Unstable S-shaped characteristics of a pump-turbine unit in a lab-scale model

  Suh, J. W., Yang, H. M., Kim, J. H., Joo, W. G., Park, J. & Choi, Y. S., 2021 Jun, In: Renewable Energy. 171, p. 1395-1417 23 p.

  Research output: Contribution to journal › Article › peer-review
  9 Citations (Scopus)

• Unsupervised clustering approaches to color classification for color-based image code recognition

  Cheong, C., Bowman, G. & Han, T. D., 2008 May 1, In: Applied Optics. 47, 13, p. 2326-2345 20 p.

  Research output: Contribution to journal › Article › peer-review
  5 Citations (Scopus)

• Unsupervised connectivity-based thresholding segmentation of midsagittal brain MR images

  Lee, C., Huh, S., Ketter, T. A. & Unser, M., 1998 May, In: Computers in Biology and Medicine. 28, 3, p. 309-338 30 p.

  Research output: Contribution to journal › Article › peer-review
  56 Citations (Scopus)

• Unsupervised construction of an indoor floor plan using a smartphone

  Shin, H., Chon, Y. & Cha, H., 2012, In: IEEE Transactions on Systems, Man and Cybernetics Part C: Applications and Reviews. 42, 6, p. 889-898 10 p., 6060924.

  Research output: Contribution to journal › Article › peer-review
  132 Citations (Scopus)

• Unsupervised Deep Image Fusion with Structure Tensor Representations

  Jung, H., Kim, Y., Jang, H., Ha, N. & Sohn, K., 2020, In: IEEE Transactions on Image Processing. 29, p. 3845-3858 14 p., 8962327.

  Research output: Contribution to journal › Article › peer-review
  65 Citations (Scopus)

• Unsupervised deep learning for super-resolution reconstruction of turbulence

  Kim, H., Kim, J., Won, S. & Lee, C., 2020, (Accepted/In press) In: Journal of Fluid Mechanics.

  Research output: Contribution to journal › Article › peer-review
  34 Citations (Scopus)

• Unsupervised feature learning for self-tuning neural networks

  Ryu, J., Yang, M. H. & Lim, J., 2021 Jan, In: Neural Networks. 133, p. 103-111 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  3 Citations (Scopus)

• Unsupervised functional link artificial neural networks for cluster analysis

  Mishra, B. S. P., Pandey, O., Dehuri, S. & Cho, S. B., 2020, In: IEEE Access. 8, p. 169215-169228 14 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  1 Citation (Scopus)

• Unsupervised learning approach for network intrusion detection system using autoencoders

  Choi, H., Kim, M., Lee, G. & Kim, W., 2019 Sep 1, In: Journal of Supercomputing. 75, 9, p. 5597-5621 25 p.

  Research output: Contribution to journal › Article › peer-review
  59 Citations (Scopus)

• Unsupervised locating of WiFi access points using smartphones

  Koo, J. & Cha, H., 2012, In: IEEE Transactions on Systems, Man and Cybernetics Part C: Applications and Reviews. 42, 6, p. 1341-1353 13 p., 6168850.

  Research output: Contribution to journal › Article › peer-review
  63 Citations (Scopus)

• Unsupervised Low-Light Image Enhancement Using Bright Channel Prior

  Lee, H., Sohn, K. & Min, D., 2020, In: IEEE Signal Processing Letters. 27, p. 251-255 5 p., 8955834.

  Research output: Contribution to journal › Article › peer-review
  41 Citations (Scopus)

• Unsupervised Stereo Matching Using Confidential Correspondence Consistency

  Joung, S., Kim, S., Park, K. & Sohn, K., 2020 May 1, In: IEEE Transactions on Intelligent Transportation Systems. 21, 5, p. 2190-2203 14 p., 8721668.

  Research output: Contribution to journal › Article › peer-review
  11 Citations (Scopus)

• Unsupervised Texture Flow Estimation Using Appearance-Space Clustering and Correspondence

  Choi, S., Min, D., Ham, B. & Sohn, K., 2015 Nov 1, In: IEEE Transactions on Image Processing. 24, 11, p. 3652-3665 14 p., 7131511.

  Research output: Contribution to journal › Article › peer-review
  1 Citation (Scopus)

• UnSync-CMP: Multicore CMP architecture for energy-efficient soft-error reliability

  Jeyapaul, R., Hong, F., Rhisheekesan, A., Shrivastava, A. & Lee, K., 2014 Jan 1, In: IEEE Transactions on Parallel and Distributed Systems. 25, 1, p. 254-263 10 p., 6410312.

  Research output: Contribution to journal › Article › peer-review
  11 Citations (Scopus)

• Untangling El Niño-La Niña Asymmetries Using a Nonlinear Coupled Dynamic Index

  Kim, S. K. & An, S. I., 2020 Feb 28, In: Geophysical Research Letters. 47, 4, e2019GL085881.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Untargeted metabolomics and polyamine profiling in serum before and after surgery in colorectal cancer patients

  Lee, Y. R., An, K. Y., Jeon, J., Kim, N. K., Lee, J. W., Hong, J. & Chung, B. C., 2020 Dec, In: Metabolites. 10, 12, p. 1-12 12 p., 487.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  6 Citations (Scopus)

• Untethered Soft Robotics with Fully Integrated Wireless Sensing and Actuating Systems for Somatosensory and Respiratory Functions

  Oh, B., Park, Y. G., Jung, H., Ji, S., Cheong, W. H., Cheon, J., Lee, W. & Park, J. U., 2020 Oct, In: Soft Robotics. 7, 5, p. 564-573 10 p.

  Research output: Contribution to journal › Article › peer-review
  21 Citations (Scopus)

• Untreated congenital adrenal hyperplasia with 17-α hydroxylase/17,20-lyase deficiency presenting as massive adrenocortical tumor

  Lee, S. J., Song, J. E., Hwang, S., Lee, J. Y., Park, H. S., Han, S. & Rhee, Y., 2015, In: Endocrinology and Metabolism. 30, 3, p. 408-413 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  2 Citations (Scopus)

• Unusual case of an ectopic spleen

  Park, C. H., Lee, D. D., Suh, J. S., Yoo, H. S., Suh, J. H. & Cho, B. K., 1987 Jul, In: European Journal of Nuclear Medicine. 13, 4, p. 210-211 2 p.

  Research output: Contribution to journal › Article › peer-review
  5 Citations (Scopus)

• Unusual cases of syringoma of the forehead

  Kim, S. J., Ahn, S. K., Choi, E. H. & Lee, S. H., 1996 Jan, In: Journal of Dermatology. 23, 1, p. 61-63 3 p.

  Research output: Contribution to journal › Article › peer-review
  9 Citations (Scopus)

• Unusual Cause of Abdominal Pain in a Patient After Liver Transplantation

  Ahn, S. J., Choi, J. Y. & Choi, J. J., 2010 Jun, In: Gastroenterology. 138, 7, p. e7-e8

  Research output: Contribution to journal › Article › peer-review

• Unusual causes and presentations of hemifacial spasm

  Han, I. B., Chang, J. H., Chang, J. W., Huh, R. & Chung, S. S., 2009 Jul, In: Neurosurgery. 65, 1, p. 130-137 8 p.

  Research output: Contribution to journal › Article › peer-review
  59 Citations (Scopus)

• Unusual causes of trigeminal neuralgia treated by gamma knife radiosurgery. Report of two cases

  Chang, J. W., Choi, J. Y., Yoon, Y. S., Park, Y. G. & Chung, S. S., 2002 Dec 1, In: Journal of neurosurgery. 97, SUPPL. 5, p. 533-535 3 p.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Unusual complications of percutaneous epicardial access and epicardial mapping and ablation of cardiac arrhythmias

  Koruth, J. S., Aryana, A., Dukkipati, S. R., Pak, H. N., Kim, Y. H., Sosa, E. A., Scanavacca, M., Mahapatra, S., Ailawadi, G., Reddy, V. Y. & D'Avila, A., 2011 Dec, In: Circulation: Arrhythmia and Electrophysiology. 4, 6, p. 882-888 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  81 Citations (Scopus)

• Unusual cortical involvement in aquaporin-4 antibody-positive patients: An analysis with double inversion recovery and phase-sensitive inversion recovery imaging

  Kim, S. W., Lee, H. J., Kim, S. M., Choi, Y. C. & Shin, H. Y., 2019 Feb, In: Multiple Sclerosis and Related Disorders. 28, p. 283-285 3 p.

  Research output: Contribution to journal › Article › peer-review

• Unusual eosinophilic infiltration of the skin in a patient with precedent Kimura's disease

  Chun, W. H. & Lee, K. H., 1996, In: Annals of Dermatology. 8, 1, p. 30-33 4 p.

  Research output: Contribution to journal › Article › peer-review

• Unusual Facilitated Olefin Transport through Polymethacrylate/Silver Salt Complexes

  Kim, J. H., Joo, S. H., Kim, C. K., Kang, Y. S. & Won, J., 2003 Oct, In: Macromolecular Research. 11, 5, p. 375-381 7 p.

  Research output: Contribution to journal › Article › peer-review
  15 Citations (Scopus)

• Unusual glass-forming ability induced by changes in the local atomic structure in Ti-based bulk metallic glass

  Kim, Y. C., Chang, H. J., Kim, D. H., Kim, W. T. & Cha, P. R., 2007 May 16, In: Journal of Physics Condensed Matter. 19, 19, 196104.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Unusual inherent electrochemistry of graphene oxides prepared using permanganate oxidants

  Eng, A. Y. S., Ambrosi, A., Chua, C. K., Šaněk, F., Sofer, Z. & Pumera, M., 2013 Sep 16, In: Chemistry - A European Journal. 19, 38, p. 12673-12683 11 p.

  Research output: Contribution to journal › Article › peer-review
  84 Citations (Scopus)

• Unusual interchromophoric interactions in β,β' directly and doubly linked corrole dimers: Prohibited electronic communication and abnormal singlet ground states

  Cho, S., Lim, J. M., Hiroto, S., Kim, P., Shinokubo, H., Osuka, A. & Kim, D., 2009 May 13, In: Journal of the American Chemical Society. 131, 18, p. 6412-6420 9 p.

  Research output: Contribution to journal › Article › peer-review
  69 Citations (Scopus)

• Unusually asymmetric venous engorgement of the breast after long-term hemodialysis

  Kim, M. J., Kim, E. K. & Oh, K. K., 2006 Jan, In: Journal of Clinical Ultrasound. 34, 1, p. 27-29 3 p.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Unusually efficient photocurrent extraction in monolayer van der Waals heterostructure by tunnelling through discretized barriers

  Yu, W. J., Vu, Q. A., Oh, H., Nam, H. G., Zhou, H., Cha, S., Kim, J. Y., Carvalho, A., Jeong, M., Choi, H., Castro Neto, A. H., Lee, Y. H. & Duan, X., 2016 Nov 9, In: Nature communications. 7, 13278.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  108 Citations (Scopus)

• Unusually high performance photovoltaic cell based on a [60]fullerene metal cluster-porphyrin dyad SAM on an ITO electrode

  Cho, Y. J., Ahn, T. K., Song, H., Kim, K. S., Lee, C. Y., Seo, W. S., Lee, K., Kim, S. K., Kim, D. & Park, J. T., 2005 Mar 2, In: Journal of the American Chemical Society. 127, 8, p. 2380-2381 2 p.

  Research output: Contribution to journal › Article › peer-review
  111 Citations (Scopus)

• Unusually Huge Charge Storage Capacity of Mn₃O₄-Graphene Nanocomposite Achieved by Incorporation of Inorganic Nanosheets

  Adpakpang, K., Jin, X., Lee, S., Oh, S. M., Lee, N. S. & Hwang, S. J., 2016 Jun 1, In: ACS Applied Materials and Interfaces. 8, 21, p. 13360-13372 13 p.

  Research output: Contribution to journal › Article › peer-review
  39 Citations (Scopus)

• Unusual metal-insulator transitions in the LaTi_1-xV_xO₃ perovskite phases

  Eylem, C., Hung, Y. C., Ju, H. L., Kim, J. Y., Green, D. C., Vogt, T., Hriljac, J. A., Eichhorn, B. W., Greene, R. L. & Salamanca-Riba, L., 1996 Feb, In: Chemistry of Materials. 8, 2, p. 418-427 10 p.

  Research output: Contribution to journal › Article › peer-review
  13 Citations (Scopus)

• Unusual morphology of permanent tooth related to traumatic injury: A case report

  Kang, M. & Kim, E., 2014 Oct 1, In: Journal of endodontics. 40, 10, p. 1698-1701 4 p.

  Research output: Contribution to journal › Article › peer-review
  3 Citations (Scopus)

• Unusual morphology transformation and basicity of magnesium oxide controlled by ageing conditions and its carbon dioxide adsorption

  Jin, S., Bang, G. & Lee, C. H., 2020 Oct, In: Journal of CO2 Utilization. 41, 101273.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Unusual nature of electronic and magnetic states of Sm_1.85Ce_0.15CuO_4-δ

  Cho, B. K., Kim, J. H., Kim, Y. J., Beom-hoan, O., Kim, J. S. & Stewart, G. R., 2000, In: Physica C: Superconductivity and its applications. 341-348, PART 1, p. 491-492 2 p.

  Research output: Contribution to journal › Article › peer-review

• Unusual near-band-edge photoluminescence at room temperature in heavily-doped ZnO:Al thin films prepared by pulsed laser deposition

  Mohanty, B. C., Yeon, D. H., Das, S. N., Kwak, J. H., Yoon, K. H. & Cho, Y. S., 2013 Jul 15, In: Materials Chemistry and Physics. 140, 2-3, p. 610-615 6 p.

  Research output: Contribution to journal › Article › peer-review
  2 Citations (Scopus)

• Unusual O-conjugate addition reactions of β-ketoesters and 1,3-diketones to ethyl propynoate: Applications to the synthesis of furans

  Tae, J. & Kim, K. O., 2003 Mar 3, In: Tetrahedron Letters. 44, 10, p. 2125-2128 4 p.

  Research output: Contribution to journal › Article › peer-review
  22 Citations (Scopus)

• Unusual root canal anatomy in maxillary second molars: two case reports

  Shin, S. J., Park, J. W., Lee, J. K. & Hwang, S. W., 2007 Dec, In: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology. 104, 6, p. e61-e65

  Research output: Contribution to journal › Article › peer-review
  17 Citations (Scopus)

• Unusual sensitivity of closed-loop phase behavior to chain size and distribution

  Hwang, S. W., Kim, E., Shin, C., Kim, J. H., Ryu, D. Y., Park, S., Chang, T. & Kim, J. K., 2007 Oct 30, In: Macromolecules. 40, 22, p. 8066-8070 5 p.

  Research output: Contribution to journal › Article › peer-review
  2 Citations (Scopus)

• Unusual separation property of propylene/propane mixtures through polymer/silver complex membranes containing mixed salts

  Kim, J. H., Park, S. M., Won, J. & Kang, Y. S., 2005 Feb 15, In: Journal of Membrane Science. 248, 1-2, p. 171-176 6 p.

  Research output: Contribution to journal › Article › peer-review
  28 Citations (Scopus)

• Unusual sonographic finding of metastatic invasive lobular carcinoma to the contralateral breast

  Ji, H. Y., Kim, E. K., Gwang, I. K. & Kyung, H. K., 2008 Dec 1, In: Journal of Ultrasound in Medicine. 27, 12, p. 1771-1775 5 p.

  Research output: Contribution to journal › Article › peer-review

• Unusual substitutional properties of Ru in the La_0.7Sr _0.3Mn_1-xRu_xO₃ system

  Sundar Manoharan, S., Ju, H. L. & Krishnan, K. M., 1998, In: Journal of Applied Physics. 83, 11, p. 7183-7185 3 p.

  Research output: Contribution to journal › Article › peer-review
  20 Citations (Scopus)

• Unveiling chemical reactivity and structural transformation of two-dimensional layered nanocrystals

  Han, J. H., Lee, S., Yoo, D., Lee, J. H., Jeong, S., Kim, J. G. & Cheon, J., 2013 Mar 13, In: Journal of the American Chemical Society. 135, 10, p. 3736-3739 4 p.

  Research output: Contribution to journal › Article › peer-review
  37 Citations (Scopus)

• Unveiling Electronic Properties in Metal-Phthalocyanine-Based Pyrazine-Linked Conjugated Two-Dimensional Covalent Organic Frameworks

  Wang, M., Ballabio, M., Wang, M., Lin, H. H., Biswal, B. P., Han, X., Paasch, S., Brunner, E., Liu, P., Chen, M., Bonn, M., Heine, T., Zhou, S., Cánovas, E., Dong, R. & Feng, X., 2019 Oct 23, In: Journal of the American Chemical Society. 141, 42, p. 16810-16816 7 p.

  Research output: Contribution to journal › Article › peer-review
  134 Citations (Scopus)

• Unveiling the Crystal Formation of Cesium Lead Mixed-Halide Perovskites for Efficient and Stable Solar Cells

  Nam, J. K., Jung, M. S., Chai, S. U., Choi, Y. J., Kim, D. & Park, J. H., 2017 Jul 6, In: Journal of Physical Chemistry Letters. 8, 13, p. 2936-2940 5 p.

  Research output: Contribution to journal › Article › peer-review
  152 Citations (Scopus)

• Unveiling the Electronic Structure of ZnO-C₆₀ Core-Shell Quantum Dots: The Origin of Efficient Electron Transport

  Hyun, G., Park, S., Jeong, J., Lee, K. S., Son, D. I., Lee, H. & Yi, Y., 2017 Jun 8, In: Journal of Physical Chemistry C. 121, 22, p. 12230-12235 6 p.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Unveiling the origin of performance reduction in perovskite solar cells with TiO₂ electron transport layer: Conduction band minimum mismatches and chemical interactions at buried interface

  Jeong, J., Kang, D., Chun, D. H., Shin, D., Park, J. H., Cho, S. W., Jeong, K., Lee, H. & Yi, Y., 2019 Nov 30, In: Applied Surface Science. 495, 143490.

  Research output: Contribution to journal › Article › peer-review
  7 Citations (Scopus)