Dr. Dohyeon Kim Profile

Dr. Dohyeon Kim

at Yonsei Univ

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 1 June 2020 Paper

Hybrid imaging technique of half ROI and full view scan for dose reduction

Dohyeon Kim, Hee-joung Kim

Proceedings Volume 11515, 115152O (2020) https://doi.org/10.1117/12.2566463

KEYWORDS: Computed tomography, Image quality, Health sciences, Image filtering, Imaging systems, Scientific research, Reconstruction algorithms, Medical research, Prototyping, Data acquisition

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Proceedings Article | 16 March 2020 Paper

Sparse view-CT based on photon counting detector using multi-level wavelet-CNN

Minjae Lee, Hyemi Kim, Dohyeon Kim, Hee-Joung Kim

Proceedings Volume 11312, 113124S (2020) https://doi.org/10.1117/12.2549188

KEYWORDS: Photon counting, Sensors, Image quality, Fusion energy, Computed tomography, Convolution, Physical phenomena, Wavelets, Wavelet transforms, Imaging spectroscopy

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Proceedings Article | 16 March 2020 Paper

Quantitative evaluation of virtual monochromatic imaging for detection of microcalcifications

Hyemi Kim, Minjae Lee, Dohyeon Kim, Hee-Joung Kim

Proceedings Volume 11312, 113125A (2020) https://doi.org/10.1117/12.2549191

KEYWORDS: Breast, Mammography, Tissues, Image quality, X-rays, Sensors, Calcium, Image analysis, Photonics systems, Diagnostics

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Proceedings Article | 27 March 2019 Paper

Brain image segmentation based on improved BP-Adaboost neural network

Zhen Chao, Dohyeon Kim, Hee-joung Kim

Proceedings Volume 11050, 110500Q (2019) https://doi.org/10.1117/12.2521246

KEYWORDS: Image segmentation, Neural networks, Brain, Evolutionary algorithms, Neuroimaging, Medical imaging, Magnetic resonance imaging, Image processing algorithms and systems, Tissues, Skull

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Proceedings Article | 27 March 2019 Paper

Feasibility study of virtual monochromatic imaging for metal artifact reduction in spectral CT

Minjae Lee, Donghoon Lee, Hyemi Kim, Dohyeon Kim, Junyoung Son, Hee-Joung Kim

Proceedings Volume 11050, 1105005 (2019) https://doi.org/10.1117/12.2521025

KEYWORDS: Metals, Signal to noise ratio, X-ray computed tomography, Sensors, Photonics systems, Computed tomography, Prototyping, Photodetectors, X-rays, Copper

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Proceedings Article | 27 March 2019 Paper

POCS-based restoration algorithm for beam modulation CT acquisition

Dohyeon Kim, Donghoon Lee, Hyemi Kim, Zhen Chao, Minjae Lee, Hee-joung Kim

Proceedings Volume 11050, 1105004 (2019) https://doi.org/10.1117/12.2521003

KEYWORDS: Modulation, Computed tomography, X-ray computed tomography, Image restoration, Image quality, Reconstruction algorithms, Health sciences, Scientific research, 3D acquisition, MATLAB

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Proceedings Article | 1 March 2019 Presentation + Paper

The feasibility study for classification of breast microcalcifications based on photon counting spectral mammography

Hyemi Kim, Dohyeon Kim, Minjae Lee, Hee-Joung Kim

Proceedings Volume 10948, 109481G (2019) https://doi.org/10.1117/12.2511130

KEYWORDS: Calcium, Sensors, Breast, Mammography, Photon counting, Signal attenuation, Tissues, Breast cancer, Silicon, Quantum efficiency

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Proceedings Article | 1 March 2019 Presentation + Paper

Comparison study of dual-energy techniques in chest radiography

Minjae Lee, Donghoon Lee, Hyemi Kim, Sunghoon Choi, Dohyeon Kim, Hee-Joung Kim

Proceedings Volume 10948, 109481E (2019) https://doi.org/10.1117/12.2511131

KEYWORDS: Bone, Signal attenuation, Chest, Radiography, Tissues, Laser sintering, Denoising, Image quality, Aluminum, Linear filtering

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Proceedings Article | 9 March 2018 Paper

Comparison study of task-based detectability index according to angular distribution in a prototype breast tomosynthesis

Seungyeon Choi, Sunghoon Choi, Donghoon Lee, Haenghwa Lee, Dohyeon Kim, Young-Wook Choi, Hee-Joung Kim

Proceedings Volume 10573, 105735T (2018) https://doi.org/10.1117/12.2294052

KEYWORDS: Breast, Prototyping, Imaging systems, Modulation transfer functions, Systems modeling, Digital breast tomosynthesis, Quantum electronics, Tumor growth modeling, Reconstruction algorithms, Health sciences

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Proceedings Article | 9 March 2018 Paper

Optimization of shutter scan parameters in digital tomosynthesis system

Dohyeon Kim, Donghoon Lee, Haenghwa Lee, Sunghoon Choi, Seungyeon Choi, Zhen Chao, Hee-joung Kim

Proceedings Volume 10573, 105735R (2018) https://doi.org/10.1117/12.2292273

KEYWORDS: Camera shutters, Lung, Image quality, Image processing, Imaging systems, Prototyping, Chest, Health sciences, Scientific research, Image enhancement

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Proceedings Article | 9 March 2018 Paper

Feasibility study of contrast enhanced digital mammography based on photon-counting detector by projection-based weighting technique: a simulation study

Minjae Lee, Donghoon Lee, Byungdu Jo, Hyemi Kim, Dohyeon Kim, Seungyeon Choi, Hee-Joung Kim

Proceedings Volume 10573, 105734Z (2018) https://doi.org/10.1117/12.2294609

KEYWORDS: Iodine, Sensors, Silicon, Dual energy imaging, Signal attenuation, Monte Carlo methods, X-rays, Breast, Digital mammography, Breast cancer

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Proceedings Article | 9 March 2018 Paper

Improvement of image quality and density accuracy of breast peripheral area in mammography

Hyemi Kim, Dohyeon Kim, Haeng-hwa Lee, Minjae Lee, Byungdu Jo, Hee-Joung Kim

Proceedings Volume 10573, 105735C (2018) https://doi.org/10.1117/12.2293532

KEYWORDS: Breast, Image processing, Image segmentation, Image quality, Mammography, Tissues, Image enhancement, Visibility, Breast cancer, Feature extraction

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Proceedings Article | 9 March 2017 Paper

Performance evaluation of algebraic reconstruction technique (ART) for prototype chest digital tomosynthesis (CDT) system

Haenghwa Lee, Sunghoon Choi, Byungdu Jo, Hyemi Kim, Donghoon Lee, Dohyeon Kim, Seungyeon Choi, Youngjin Lee, Hee-Joung Kim

Proceedings Volume 10132, 101325V (2017) https://doi.org/10.1117/12.2255647

KEYWORDS: Chest, Reconstruction algorithms, Image quality, Radiography, Tumors, Algorithm development, Sensors, Health sciences, Opacity

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Proceedings Article | 22 March 2016 Paper

Feasibility study of sparse-angular sampling and sinogram interpolation in material decomposition with a photon-counting detector

Dohyeon Kim, Byungdu Jo, Su-Jin Park, Hyemi Kim, Hee-Joung Kim

Proceedings Volume 9783, 97835O (2016) https://doi.org/10.1117/12.2216634

KEYWORDS: Signal to noise ratio, Sensors, Iodine, Photodetectors, Computed tomography, X-ray computed tomography, CT reconstruction, Photon counting, Reconstruction algorithms, Image contrast enhancement, Image enhancement, X-rays, Polymethylmethacrylate, Image quality

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Proceedings Article | 22 March 2016 Paper

Comparison of contrast enhancement methods using photon counting detector in spectral mammography

Hyemi Kim, Su-Jin Park, Byungdu Jo, Dohyeon Kim, Hee-Joung Kim

Proceedings Volume 9783, 97832J (2016) https://doi.org/10.1117/12.2216631

KEYWORDS: Photon counting, Dual energy imaging, Sensors, Breast, Imaging systems, Iodine, Mammography, Monte Carlo methods, Windows, Signal attenuation, Tissues, X-rays

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Proceedings Article | 18 March 2015 Paper

Detection of lung nodules in chest digital tomosynthesis (CDT): effects of the different angular dose distribution

Byungdu Jo, Youngjin Lee, Dohyeon Kim, Dong-Hoon Lee, Seong-Soo Jin, Shou-Chih Mu, Hye-Mi Kim, Hee-Joung Kim

Proceedings Volume 9412, 94125C (2015) https://doi.org/10.1117/12.2081767

KEYWORDS: Lung, Image quality, Chest, Imaging systems, Reconstruction algorithms, Image acquisition, Photons, Image processing, X-rays, Tomography

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Proceedings Article | 18 March 2015 Paper

Evaluation of effective dose with chest digital tomosynthesis system using Monte Carlo simulation

Dohyeon Kim, Byungdu Jo, Youngjin Lee, Su-Jin Park, Dong-Hoon Lee, Hee-Joung Kim

Proceedings Volume 9412, 94125D (2015) https://doi.org/10.1117/12.2081778

KEYWORDS: Monte Carlo methods, Chest, Lung, Spine, Heart, X-rays, Bone, Tomography, Radiography, Imaging systems

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Showing 5 of 17 publications

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