Search Results - "Choi, Jaewan"

Semantic Segmentation of Urban Buildings Using a High-Resolution Network (HRNet) with Channel and Spatial Attention Gates by Seong, Seonkyeong, Choi, Jaewan

“…In this study, building extraction in aerial images was performed using csAG-HRNet by applying HRNet-v2 in combination with channel and spatial attention…”
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Change Detection in Hyperspectral Images Using Recurrent 3D Fully Convolutional Networks by Song, Ahram, Choi, Jaewan, Han, Youkyung, Kim, Yongil

“…Hyperspectral change detection (CD) can be effectively performed using deep-learning networks. Although these approaches require qualified training samples, it…”
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A New Adaptive Component-Substitution-Based Satellite Image Fusion by Using Partial Replacement by CHOI, Jaewan, YU, Kiyun, KIM, Yongil

“…Preservation of spectral information and enhancement of spatial resolution are regarded as important issues in remote sensing satellite image fusion. In…”
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Fully Convolutional Networks with Multiscale 3D Filters and Transfer Learning for Change Detection in High Spatial Resolution Satellite Images by Song, Ahram, Choi, Jaewan

“…Remote sensing images having high spatial resolution are acquired, and large amounts of data are extracted from their region of interest. For processing these…”
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Daytime Cloud Detection Algorithm Based on a Multitemporal Dataset for GK-2A Imagery by Lee, Soobong, Choi, Jaewan

“…Cloud detection is an essential and important process in remote sensing when surface information is required for various fields. For this reason, we developed…”
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Quantitative optical coherence tomography angiography of macular vascular structure and foveal avascular zone in glaucoma by Choi, Jaewan, Kwon, Junki, Shin, Joong Won, Lee, Jiyun, Lee, Saem, Kook, Michael S

“…The study aimed to evaluate the quantitative characteristics of the macular vessel density (VD) and foveal avascular zone (FAZ) in glaucoma using optical…”
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A snow cover mapping algorithm based on a multitemporal dataset for GK-2A imagery by Lee, Soobong, Choi, Jaewan

“…Snow plays a crucial role in the climate. In particular, snow controls the surface temperature and stabilizes the energy budget due to its spectral…”
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Comparison of treatment outcomes between slow coagulation transscleral cyclophotocoagulation and micropulse transscleral laser treatment by Hwang, Young Hoon, Lee, Sharon, Kim, Mijin, Choi, Jaewan

“…This study compared treatment outcomes of slow coagulation transscleral cyclophotocoagulation (SC-CPC, 65 eyes) and micropulse transscleral laser treatment…”
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Machine learning-based inversion of water quality parameters in typical reach of the urban river by UAV multispectral data by Chen, Botao, Mu, Xi, Chen, Peng, Wang, Biao, Choi, Jaewan, Park, Honglyun, Xu, Sheng, Wu, Yanlan, Yang, Hui

“…[Display omitted] •Intelligent water quality monitoring based on UAV multi-spectral data.•The GA_XGBoost inversion model has high accuracy and strong…”
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Systemic and Ocular Hemodynamic Risk Factors in Glaucoma by Choi, Jaewan, Kook, Michael S.

“…Primary open angle glaucoma (POAG) is a multifactorial disease characterized by progressive retinal ganglion cell death and visual field loss. It is known that…”
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Sharpening the VNIR and SWIR Bands of Sentinel-2A Imagery through Modified Selected and Synthesized Band Schemes by Park, Honglyun, Choi, Jaewan, Park, Nyunghee, Choi, Seokkeun

“…In this work, the bands of a Sentinel-2A image with spatial resolutions of 20 m and 60 m are sharpened to a spatial resolution of 10 m to obtain visible and…”
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Determination of Vehicle Trajectory through Optimization of Vehicle Bounding Boxes using a Convolutional Neural Network by Seong, Seonkyeong, Song, Jeongheon, Yoon, Donghyeon, Kim, Jiyoung, Choi, Jaewan

“…In this manuscript, a new method for the determination of vehicle trajectories using an optimal bounding box for the vehicle is developed. The vehicle…”
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An Optical Coherence Tomography Angiography Study of the Relationship Between Foveal Avascular Zone Size and Retinal Vessel Density by Kwon, Junki, Choi, Jaewan, Shin, Joong Won, Lee, Jiyun, Kook, Michael S

“…To assess the relationship between the size of the foveal avascular zone (FAZ; area and perimeter) and vessel density (VD) at various retinal regions using…”
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Glaucoma Diagnostic Capabilities of Foveal Avascular Zone Parameters Using Optical Coherence Tomography Angiography According to Visual Field Defect Location by Kwon, Junki, Choi, Jaewan, Shin, Joong Won, Lee, Jiyun, Kook, Michael S

“…PURPOSE:To assess the diagnostic ability of foveal avascular zone (FAZ) parameters to discriminate glaucomatous eyes with visual field defects (VFDs) in…”
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Pansharpening Using Guided Filtering to Improve the Spatial Clarity of VHR Satellite Imagery by Choi, Jaewan, Park, Honglyun, Seo, Doochun

“…Pansharpening algorithms are designed to enhance the spatial resolution of multispectral images using panchromatic images with high spatial resolutions…”
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Cloud Detection Using a UNet3+ Model with a Hybrid Swin Transformer and EfficientNet (UNet3+STE) for Very-High-Resolution Satellite Imagery by Choi, Jaewan, Seo, Doochun, Jung, Jinha, Han, Youkyung, Oh, Jaehong, Lee, Changno

“…It is necessary to extract and recognize the cloud regions presented in imagery to generate satellite imagery as analysis-ready data (ARD). In this manuscript,…”
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Crop classification in South Korea for multitemporal PlanetScope imagery using SFC-DenseNet-AM by Seong, Seonkyeong, Chang, Anjin, Mo, Junsang, Na, Sangil, Ahn, Hoyong, Oh, Jaehong, Choi, Jaewan

“…•A new deep learning model using Siamese network and attention module.•Training dataset generation to improve crop classification performance.•The verification…”
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Ground Control Point Chip-based Kompsat-3A Rational Polynomial Coefficient Bias Compensation Using Both Intensity- and Edge-based Matching Methods by Oh, Jaehong, Seo, DooChun, Choi, Jaewan, Han, Youkyung, Lee, Changno

“…Recently, the number of high-resolution Earth-observing satellite sensors has been increasing owing to the growing needs of intelligence, mapping, and…”
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Object-Based Change Detection of Very High Resolution Satellite Imagery Using the Cross-Sharpening of Multitemporal Data by Wang, Biao, Choi, Seokkeun, Byun, Younggi, Lee, Soungki, Choi, Jaewan

“…In this letter, we present a method for unsupervised change detection based on the cross-sharpening of multitemporal images and image segmentation. Our method…”
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Image Fusion of Spectrally Nonoverlapping Imagery Using SPCA and MTF-Based Filters by Kim, Yonghyun, Kim, Minho, Choi, Jaewan, Kim, Yongil

“…Most spaceborne sensors have an inevitable tradeoff between spatial and spectral resolutions. This is a typical ill-posed inverse problem in the field of image…”
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