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A Method for Geometric Distortion Correction of GMS
Ido, Daiji,Takagi, Mikio 대한원격탐사학회 1996 International Symposium on Remote Sensing Vol.12 No.1
Since April 1995, we have been receiving the data from Geostationary Meteorological Satellite (GMS), and all received raw data have been stored on 8mm tapes in a juke box archiver. Since the image data contains geometrical distortions caused by the satellite position and attitude, we have to correct the image geometrically. In this paper we describe a method for geometric correction of GMS Streached-Visible and Infrared Spin Scan Radiometer(S-VISSR) Data. Using orbit and attitude information, we can transformed between the geographic coordinate and the S-VISSR coordinate. For the fast transformation, we developed the bilinear interpolation method in the suitable block size. Moreover, using the ground control points(GCPs), we correct more accurately. We are now constructing a geometric correction system on WWW with the 8mm tape juke box archiver.
AN ESTIMATE OF HEMPEL DISTANCE FOR BRIDGE SPHERES
Ido, Ayako Korean Mathematical Society 2015 대한수학회보 Vol.52 No.3
Tomova [8] gave an upper bound for the distance of a bridge surface for a knot with two different bridge positions in a 3-manifold. In this paper, we show that the result of Tomova [8, Theorem 10.3] can be improved in the case when there are two different bridge spheres for a link in $S^3$.
Ido Laskov,Nadav Michaan,Ariel Many,Ami Amit,Foad Azem 대한부인종양학회 2012 Journal of Gynecologic Oncology Vol.23 No.2
Pseudomyxoma peritonei is a rare, chronic relapsing disease in which tumor cells in the abdomen produce excessive mucin with a significant mortality rate. We describe a young unmarried nulligrava who underwent fertility preservation by in vitro fertilisation and embryo cryopreservation prior to radical surgery and adjuvant chemotherapy. Pregnancy was achieved,although complicated by obstructive uropathy. She delivered a healthy infant at 32 weeks' gestation. The few descriptions of fertility and pregnancy outcome in pseudomyxoma peritonei that appear in the literature are reviewed.
Ido Ji,Eunjee Lee 한국자료분석학회 2023 한국자료분석학회 학술대회자료집 Vol.2023 No.1
Alzheimer's Disease (AD) is a burdensome and incurable neurodegenerative disease, so brain study is needed to understand its pathogenesis. Since functional connectivity (FC) alteration has been shown in among AD patients groups, Resting-State fMRI (RS-fMRI) was used to explore brain regions. However, the previous study overlooked continuity on brain regions in FC analysis. From a study who introduced euclidean distance in FC analysis, we also employed a similar method and obtained FC curves. Since these curves can be considered to be functions, functional data analysis (FDA) was employed to treat this type of data. Especially, functional principal component analysis (FPCA) was used to extract function PC (fPC) scores from each brain region. These scores were used as covariates in logistic regression models with group penalties. Compared to the former approaches, our method showed higher classification rate in normal controls and AD patients (AUC = 0.9). Also, brain regions related to neurodegenerative studies were chosen in our best model. However, there were cases where only one side of the region was chosen. Hence further study is needed on these regions in our future work.
AN ESTIMATE OF HEMPEL DISTANCE FOR BRIDGE SPHERES
Ayako Ido 대한수학회 2015 대한수학회보 Vol.52 No.3
Tomova [8] gave an upper bound for the distance of a bridge surface for a knot with two different bridge positions in a 3-manifold. In this paper, we show that the result of Tomova [8, Theorem 10.3] can be improved in the case when there are two different bridge spheres for a link in S3.