Ms. Ye-seul Kim Profile

Ye-seul Kim

at Yonsei Univ

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Author

Publications (16)

Proceedings Article | 9 March 2017 Paper

Evaluation of effective detective quantum efficiency considering breast thickness and glandularity in prototype digital breast tomosynthesis system

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

Proceedings Volume 10132, 101324A (2017) https://doi.org/10.1117/12.2254241

KEYWORDS: Breast, Digital breast tomosynthesis, Modulation transfer functions, Quantum efficiency, Prototyping, Imaging systems, Sensors, Sensor performance, Detector development, Mammography, Spatial frequencies, X-rays, Scatter measurement

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Proceedings Article | 3 March 2017 Paper

A feasibility study of automatic lung nodule detection in chest digital tomosynthesis with machine learning based on support vector machine

Donghoon Lee, Ye-seul Kim, Sunghoon Choi, Haenghwa Lee, Byungdu Jo, Seungyeon Choi, Jungwook Shin, Hee-Joung Kim

Proceedings Volume 10134, 101343P (2017) https://doi.org/10.1117/12.2253294

KEYWORDS: Lung, Machine learning, Chest, CAD systems, Computed tomography, Data acquisition, Computer aided diagnosis and therapy, Optical filters, Medical device development, Computing systems, Gaussian filters, Solid modeling, Computer aided design

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Proceedings Article | 31 March 2016 Paper

Effects of angular range on image quality of chest digital tomosynthesis

Haenghwa Lee, Ye-seul Kim, Sunghoon Choi, Dong-Hoon Lee, Seungyeon Choi, Hee-Joung Kim

Proceedings Volume 9783, 97836C (2016) https://doi.org/10.1117/12.2216842

KEYWORDS: Image quality, Modulation transfer functions, Point spread functions, X-ray imaging, Spatial resolution, Sensors

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Proceedings Article | 22 March 2016 Paper

Optimization of exposure parameters in digital tomosynthesis considering effective dose and image quality

Seungyeon Choi, Sunghoon Choi, Ye-seul Kim, Haenghwa Lee, Donghoon Lee, Pil-Hyun Jeon, Dong-Hyuk Jang, Hee-Joung Kim

Proceedings Volume 9783, 978368 (2016) https://doi.org/10.1117/12.2216484

KEYWORDS: Image quality, Chest, Interference (communication), Imaging systems, Signal to noise ratio, Arteries, Quality systems, Computing systems, Computed tomography, Image resolution, Ions, X-rays, Radiography

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Proceedings Article | 22 March 2016 Paper

Imaging characteristics of distance-driven method in a prototype cone-beam computed tomography (CBCT)

Sunghoon Choi, Ye-seul Kim, Haenghwa Lee, Donghoon Lee, Chang-Woo Seo, Hee-Joung Kim

Proceedings Volume 9783, 97832U (2016) https://doi.org/10.1117/12.2216483

KEYWORDS: Radiotherapy, Cones, Image restoration, Single photon emission computed tomography, Computed tomography, Reconstruction algorithms, Systems modeling, Chest, Prototyping, Medical imaging, X-rays, Surgery, Computing systems, Image quality

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Proceedings Article | 22 March 2016 Paper

Anatomical decomposition in dual energy chest digital tomosynthesis

Donghoon Lee, Ye-seul Kim, Sunghoon Choi, Haenghwa Lee, Seungyeon Choi, Hee-Joung Kim

Proceedings Volume 9783, 978367 (2016) https://doi.org/10.1117/12.2216587

KEYWORDS: Lung cancer, Dual energy imaging, Chest, Radiography, Lung, Spine, Energy efficiency, Bone, Cancer, Computed tomography, Monte Carlo methods, Tissues, X-rays, Sensors

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Lung cancer is the leading cause of cancer death worldwide and the early diagnosis of lung cancer has recently become more important. For early screening lung cancer, computed tomography (CT) has been used as a gold standard for early diagnosis of lung cancer [1]. The major advantage of CT is that it is not susceptible to the problem of misdiagnosis caused by anatomical overlapping while CT has extremely high radiation dose and cost compared to chest radiography. Chest digital tomosynthesis (CDT) is a recently introduced new modality for lung cancer screening with relatively low radiation dose compared to CT [2] and also showing high sensitivity and specificity to prevent anatomical overlapping occurred in chest radiography. Dual energy material decomposition method has been proposed for better detection of pulmonary nodules as means of reducing the anatomical noise [3]. In this study, possibility of material decomposition in CDT was tested by simulation study and actual experiment using prototype CDT. Furthermore organ absorbed dose and effective dose were compared with single energy CDT. The Gate v6 (Geant4 application for tomographic emission), and TASMIP (Tungsten anode spectral model using the interpolating polynomial) code were used for simulation study and simulated cylinder shape phantom consisted of 4 inner beads which were filled with spine, rib, muscle and lung equivalent materials. The patient dose was estimated by PCXMC 1.5 Monte Carlo simulation tool [4]. The tomosynthesis scan was performed with a linear movement and 21 projection images were obtained over 30 degree of angular range with 1.5° degree of angular interval. The proto type CDT system has same geometry with simulation study and composed of E7869X (Toshiba, Japan) x-ray tube and FDX3543RPW (Toshiba, Japan) detector. The result images showed that reconstructed with dual energy clearly visualize lung filed by removing unnecessary bony structure. Furthermore, dual energy CDT could enhance spine bone hidden by heart effectively. The effective dose in dual energy CDT was slightly higher than single energy CDT, while only 10% of average thoracic CT [5]. Dual energy tomosynthesis is a new technique; therefore, there is little guidance for its integration into the clinical practice and this study can be used to improve diagnosis efficiency of lung field screening using CDT

Proceedings Article | 22 March 2016 Paper

Feasibility of generating quantitative composition images in dual energy mammography: a simulation study

Donghoon Lee, Ye-seul Kim, Sunghoon Choi, Haenghwa Lee, Seungyeon Choi, Hee-Joung Kim

Proceedings Volume 9783, 97832I (2016) https://doi.org/10.1117/12.2216577

KEYWORDS: Mammography, Breast cancer, Breast, Dual energy imaging, Proteins, X-rays, Gold, Tomography, Digital mammography, Cancer, Error analysis, Tissues, Signal attenuation, Monte Carlo methods, Associative arrays

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Proceedings Article | 18 March 2015 Paper

Feasibility of ray- and pixel-driven projector/back-projector in linear motion tomosynthesis

Sunghoon Choi, Seungwan Lee, Young-Jin Lee, Ye-Seul Kim, Haeng-Hwa Lee, Hee-Joung Kim

Proceedings Volume 9412, 94122Q (2015) https://doi.org/10.1117/12.2081132

KEYWORDS: Projection systems, X-rays, Systems modeling, Reconstruction algorithms, Sensors, Medical imaging, X-ray imaging, Ions, Neodymium, Tomography

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Proceedings Article | 18 March 2015 Paper

An experimental study of the accuracy in measurement of modulation transfer function using an edge method

Dong-Hoon Lee, Ye-seul Kim, Hye-Suk Park, Young-Jin Lee, Hee-Joung Kim

Proceedings Volume 9412, 94123B (2015) https://doi.org/10.1117/12.2081370

KEYWORDS: Modulation transfer functions, Medical imaging, Smoothing, Image analysis, Sensors, Radiography, Spatial frequencies, Distortion, X-rays, Quantum efficiency

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Proceedings Article | 1 April 2014 Paper

The beam stop array method to measure object scatter in digital breast tomosynthesis

Haeng-hwa Lee, Ye-seul Kim, Hye-Suk Park, Hee-Joung Kim, Jae-Gu Choi, Young-Wook Choi

Proceedings Volume 9033, 903363 (2014) https://doi.org/10.1117/12.2043348

KEYWORDS: Chest, Scatter measurement, Scattering, Digital breast tomosynthesis, X-rays, Lead, X-ray detectors, Sensors, Nipple, Scanners

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Proceedings Article | 1 April 2014 Paper

An experimental study of practical computerized scatter correction methods for prototype digital breast tomosynthesis

Y. Kim, H. Kim, H. Park, J. Choi, Y. Choi

Proceedings Volume 9033, 903314 (2014) https://doi.org/10.1117/12.2042989

KEYWORDS: Digital breast tomosynthesis, Breast, X-rays, Chest, Prototyping, Mammography, Image quality, Sensors, Error analysis, Lead

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Proceedings Article | 19 March 2014 Paper

Optimization using detective quantum efficiency (DQE) of the high-resolution parallel-hole collimators with CdTe pixelated semiconductor SPECT system

Young-Jin Lee, Dae-Hong Kim, Ye-seul Kim, Hee-Joung Kim

Proceedings Volume 9033, 90334J (2014) https://doi.org/10.1117/12.2043006

KEYWORDS: Collimators, Semiconductors, Single photon emission computed tomography, Spatial resolution, Modulation transfer functions, Sensors, Gamma radiation, Monte Carlo methods, Silicon, Point spread functions

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Proceedings Article | 6 March 2013 Paper

Optimizing the acquisition parameters of a newly developed digital breast tomosynthesis system

Hye-Suk Park, Ye-Seul Kim, JaeGu Choi, Young-Wook Choi, Hee-Joung Kim

Proceedings Volume 8668, 86684F (2013) https://doi.org/10.1117/12.2007453

KEYWORDS: Digital breast tomosynthesis, Image quality, Breast, Sensors, Photovoltaics, Reconstruction algorithms, Image acquisition, Image resolution, Tissues, Quantitative analysis

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Proceedings Article | 3 March 2012 Paper

Clinical performance evaluation of the prototype digital breast tomosynthesis system

Y. Kim, H. Kim, H. Park, J. Choi, Y. Choi

Proceedings Volume 8313, 83134R (2012) https://doi.org/10.1117/12.911207

KEYWORDS: Breast, Digital breast tomosynthesis, Sensors, Imaging systems, Modulation transfer functions, Mammography, Spatial frequencies, X-rays, Prototyping, Polymethylmethacrylate

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Proceedings Article | 3 March 2012 Paper

Optimization of exposure parameters for pediatric chest x-ray imaging

Hye-Suk Park, Ye-Seul Kim, Hee-Joung Kim

Proceedings Volume 8313, 83135D (2012) https://doi.org/10.1117/12.911141

KEYWORDS: Chest, Sensors, Modulation transfer functions, Quantum efficiency, Radiation effects, X-rays, Chest imaging, Photons, Signal attenuation, Diagnostics

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Proceedings Article | 3 March 2012 Paper

Absolute measurement of effective atomic number and electron density using dual-energy computed tomography images

Dae-Hong Kim, Hee-Joung Kim, Chang-Lae Lee, Hyo-Min Cho, Hye-Suk Park, Seung-Wan Lee, Yu-Na Choi, Ye-Seul Kim, Su-Jin Park

Proceedings Volume 8313, 83132X (2012) https://doi.org/10.1117/12.910856

KEYWORDS: Polymethylmethacrylate, X-ray computed tomography, Computed tomography, X-rays, Signal attenuation, Arteries, Tissues, Image quality, Absorption, Scattering

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Showing 5 of 16 publications

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