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정민지(Minji Jeong),김진용(Jinyong Kim),정창현(Changhyun Jeong),이영석(Youngseok Lee),정도현(Dohyun Jung) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
This paper is research about proactive safety and we have measured drivers real time position of eye and head by using a camera settled in front of operator (driver) and a eye tracker equipment. Collected data were used to analyze a correlation between driver’s career and gender and its effect on driver’s behavior. Moreover, By calculating standard deviation figure (σ) of driver’s head behavior studied to represent how stable behavior depend on features driver has. This study results will be used to concrete an accident preventative education and be utilized as basic material for design system such as each different warning process following driver’s feature.
방사선 영상 촬영에서 이중층 디텍터의 대비 대 잡음비에 대한 연구
정민지(Minji Jeong),이다연(Dayeon Lee),김동식(Dong sik Kim) 대한전자공학회 2024 대한전자공학회 학술대회 Vol.2024 No.6
In a dual-layer detector, two images with different energy bands can be obtained with a single x-ray irradiation. By using a convex combination image created by combining upper and lower images, it is possible to separate bone and tissue, and correct distortion caused by metal. In the image obtained from the detector, distinction between objects is made through the contrast between each object, and the degree of this contrast can be judged through the contrast-to-noise ratio (CNR). In this paper, simulation-based analysis is performed using an absorption spectrum simulation program (SPEKTR-3.0) to classify objects using spectral mages obtained from dual-layer detectors with various CsI scintillators.