Improvement of fully automated airway segmentation on volumetric computed tomographic images using a 2.5 dimensional convolutional neural net

J Yun, J Park, D Yu, J Yi, M Lee, HJ Park, JG Lee… - Medical image …, 2019 - Elsevier
We propose a novel airway segmentation method in volumetric chest computed tomography
(CT) and evaluate its performance on multiple datasets. The segmentation is performed …

Simultaneous fabrication of line and dot dual nanopatterns using miktoarm block copolymer with photocleavable linker

C Choi, J Park, KL Vincent Joseph, J Lee, S Ahn… - Nature …, 2017 - nature.com
Block copolymers with various nanodomains, such as spheres, cylinders, and lamellae, have
received attention for their applicability to nanolithography. However, those microdomains …

WiFi-like Nanostructures from Confinement of Block Copolymer Microdomains in Asymmetric Hemisphere Nanocavity

S Kim, W Kang, C Jung, M Kim, KW Kim, M Go… - …, 2023 - ACS Publications
We investigated the morphology of lamellae-forming polystyrene-block-poly(methyl methacrylate)
copolymer (PS-b-PMMA) confined in asymmetric hemisphere nanocavities which were …

A method for fluoroscopy based navigation system to assist needle insertion concerning reduced radiation exposure for endoscopic disc surgery

J Park, HM Yoon, S Yoon, M Vania… - 2015 15th International …, 2015 - ieeexplore.ieee.org
Endoscopic disc surgery requires a process of inserting a guide-needle to the target lumbar
disc. And the insertion path is manually planned by drawing lines on the patient's skin while …

Inverted Cylindrical Microdomains by Blending Star-shaped and Linear Block Copolymers

JK Kim - 한국고분자학회 학술대회 연구논문 초록집, 2021 - dbpia.co.kr
We investigated the morphology formed in the binary blend of six-arm star shaped (poly(methyl
methacrylate)-block-polystyrene)6 copolymer [(PMMA-b-PS)6] and PMMA-b-PS linear …

Block copolymer film with sponge-like nanoporous strucutre for antireflection coating

W Joo, MS Park, JK Kim - Langmuir, 2006 - ACS Publications
We prepared nanoporous films by spin-coating of polystyrene-block-poly(methyl methacrylate)
copolymers (PS-b-PMMA) to a glass and irradiating by ultra-violet source followed by …

Tetragonally packed inverted cylindrical microdomains from binary block copolymer blends with enhanced hydrogen bonding

S Kang, J Lee, H Yoon, J Jang, E Kim… - ACS Macro Letters, 2023 - ACS Publications
Hexagonally packed (HEX) cylindrical microdomains can be obtained through the self-assembly
of block copolymers (BCPs) with a moderately asymmetric volume fraction of one block (…

Functional nanomaterials based on block copolymer self-assembly

JK Kim, SY Yang, Y Lee, Y Kim - Progress in Polymer Science, 2010 - Elsevier
Block copolymers have received considerable attention as a promising platform for the
synthesis of nanomaterials and fabrication of nanostructures because of their self-assembling …

Virus filtration membranes prepared from nanoporous block copolymers with good dimensional stability under high pressures and excellent solvent resistance

SY Yang, J Park, J Yoon, M Ree… - Advanced Functional …, 2008 - Wiley Online Library
We introduce a nanoporous membrane suitable for virus filtration with good dimensional
stability under high pressures maintaining high selectivity. The membrane consists of a double …

Inverted Cylindrical Microdomains from Binary Block Copolymer Blends Capable of Hydrogen Bonding

S Kang, J Lee, E Kim, Y Seo, C Choi, JK Kim - Macromolecules, 2021 - ACS Publications
A binary blend of polystyrene-block-poly(2-vinylpyridine) copolymer (PS-b-P2VP) and
polystyrene-block-poly(4-hydroxystyrene) copolymer (PS-b-PHS) was studied to obtain an …