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The Violation of Children's Rights Committed by Child Pornography on the Internet
Lee, Jaeyeon,Jeon, Sohee Research Institute of Asian Women Sookmyung Women' 2005 Asian Women Vol.20 No.-
The healthy environment in which children are raised is severely threatened in a society of rapid technological growth. Moreover, with the birthrates decreasing, child protection in most countries has been emerging as one of the keenest issues from the newly started millennium. The Internet holds vast quantities of helpful information and also the Web holds great potential for further growth. However, as with any tool, it is also accompanied by negative effects. Especially, the internationalization and development of mobile technologies and Internet made it easy to spread child pornography between international borders or locales. Thus, the protection of children should be implemented not only on offline premises but also online. This thesis discusses problems pertaining to the regulation of child pornography as well as ways to change the present trend in order to protect children from child pornography prevalent in the cyber space which threatens the development of children.
Sohee Park,Sang Min Lee,도경현,June-Goo Lee,Woong Bae,Hyunho Park,Kyu-Hwan Jung,Joon Beom Seo 대한영상의학회 2019 Korean Journal of Radiology Vol.20 No.10
Objective: To retrospectively assess the effect of CT slice thickness on the reproducibility of radiomic features (RFs) of lung cancer, and to investigate whether convolutional neural network (CNN)-based super-resolution (SR) algorithms can improve the reproducibility of RFs obtained from images with different slice thicknesses. Materials and Methods: CT images with 1-, 3-, and 5-mm slice thicknesses obtained from 100 pathologically proven lung cancers between July 2017 and December 2017 were evaluated. CNN-based SR algorithms using residual learning were developed to convert thick-slice images into 1-mm slices. Lung cancers were semi-automatically segmented and a total of 702 RFs (tumor intensity, texture, and wavelet features) were extracted from 1-, 3-, and 5-mm slices, as well as the 1-mm slices generated from the 3- and 5-mm images. The stabilities of the RFs were evaluated using concordance correlation coefficients (CCCs). Results: The mean CCCs for the comparisons of original 1 mm vs. 3 mm, 1 mm vs. 5 mm, and 3 mm vs. 5 mm images were 0.41, 0.27, and 0.65, respectively (p < 0.001 for all comparisons). Tumor intensity features showed the best reproducibility while wavelets showed the lowest reproducibility. The majority of RFs failed to achieve reproducibility (CCC ≥ 0.85; 3.6%, 1.0%, and 21.5%, respectively). After applying the CNN-based SR algorithms, the reproducibility significantly improved in all three pairings (mean CCCs: 0.58, 0.45, and 0.72; p < 0.001 for all comparisons). The reproducible RFs also increased (36.3%, 17.4%, and 36.9%, respectively). Conclusion: The reproducibility of RFs in lung cancer is significantly influenced by CT slice thickness, which can be improved by the CNN-based SR algorithms.
SoHee Lee,HeeSun Nam,HakBeom Kim,EunJi Kim,JinWon Noh,JeongHo Chae 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.3
ObjectiveaaThe Sewol ferry disaster caused shock and grief in South Korea. The aim of this study was to identify the factors associated with symptoms of complicated grief (CG) among the surviving students 20 months after that disaster. MethodsaaThis study was conducted using a cross-sectional design and a sample of 57 students who survived the Sewol ferry disaster. Data were collected using the following instruments: Inventory of Complicated Grief (ICG), the Lifetime Incidence of Traumatic Events- Child, the Child Report of Post-Traumatic Symptoms (CROPS), KIDSCREEN-27, Family Adaptability and Cohesion Evaluation Scales-III, the Peri-traumatic Dissociation–Post-traumatic Negative Beliefs–Post-traumatic Social Support scale, and the Strengths and Difficulties Questionnaire. A generalized linear model using a log link and Poisson distribution was performed to identify factors associated with symptoms of CG. ResultsaaThe mean score on the ICG was 15.57 (standard deviation: 12.72). Being born in 1999, a higher score on the CROPS and a lower score in autonomy and relationship with parents on the KIDSCREEN-27 were related to higher levels of CG. ConclusionaaTwenty months after the Sewol ferry disaster, 24.5% of surviving students were suffering from CG. This study uncovered a vulnerable population of bereaved children at high risk for CG.