• Current Optics and Photonics
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• v.4 no.6
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• pp.530-539
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• 2020

Hyperspectral images feature a relatively narrow band and are easily disturbed by noise. Accurate estimation of the types and parameters of noise in hyperspectral images can provide prior knowledge for subsequent image processing. Existing hyperspectral-noise estimation methods often pay more attention to the use of spectral information while ignoring the spatial information of hyperspectral images. To evaluate the noise in hyperspectral images more accurately, we have proposed a spectral-spatial cooperative noise-evaluation method. First, the feature of spatial information was extracted by Gabor-filter and K-means algorithms. Then, texture edges were extracted by the Otsu threshold algorithm, and homogeneous image blocks were automatically separated. After that, signal and noise values for each pixel in homogeneous blocks were split with a multiple-linear-regression model. By experiments with both simulated and real hyperspectral images, the proposed method was demonstrated to be effective and accurate, and the composition of the hyperspectral image was verified.

• International Journal of Advanced Culture Technology
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• v.11 no.1
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• pp.153-158
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• 2023

Experts are concerned about the lack of troops and security vacuum due to the low birth rate in the Republic of Korea. They consider policies to expand the proportion and role of female soldiers to address these issues. In this regard, We would like to introduce the successful use of female personnel in the Ukrainian military and draw implications for the Korean military. This will provide a clue to offset the shortage of troops in the Republic of Korea.

• International Journal of Advanced Culture Technology
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• v.12 no.1
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• pp.144-157
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• 2024

This study examines the relationship between intrinsic motivation and individuals' performance in the Republic of Korea armed forces and explores whether job stress mediates the relationship between intrinsic motivation and individuals' performance. The research questions are: (1) Does intrinsic motivation influence individual performance in military organizations? (2) Does job stress impact individual performance? and (3) Does job stress mediate the relationship between intrinsic motivation and individual performance? The study utilizes data collected from a 350 soldiers survey in the Special Forces Brigade and Special Assault Commando Regiment of the Republic of Korea's Army. We use structural equation modeling (SEM) to explore the mediation role among intrinsic motivation, job stress, and individuals' performance. Research findings suggest that intrinsic motivation negatively impacts job stress. We also find that job stress has a positive effect on firearm skills. Moreover, the study reveals that the relationship between intrinsic motivation and firearm skills is partially mediated by job stress.

• 대한핵의학회:학술대회논문집
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• 1966.11a
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• pp.96.2-96.2
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• 1966

• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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• 2003.02a
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• pp.81-93
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• 2003

USACE has developed guidance, training, procedures and and support to ensure that hazardous and toxic waste sites are assessed and remediated appropriately

• Steel and Composite Structures
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• v.35 no.5
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• pp.641-657
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• 2020

A unique lightweight string truss deployable bridge assembled by thin-walled fiber reinforced polymer (FRP) and metal profiles was designed for emergency applications. As a new structure, investigations into the static structural performance under the serviceability limit state are desired for examining the structural integrity of the developed bridge when subjected to unsymmetrical loadings characterized by combined torsion and bending. In this study, a full-scale experimental inspection was conducted on a fabricated bridge, and the combined flexural-torsional behavior was examined in terms of displacement and strains. The experimental structure showed favorable strength and rigidity performances to function as deployable bridge under unsymmetrical loading conditions and should be designed in accordance with the stiffness criterion, the same as that under symmetrical loads. In addition, a finite element model (FEM) with a simple modeling process, which considered the multi segments of the FRP members and realistic nodal stiffness of the complex unique hybrid nodal joints, was constructed and compared against experiments, demonstrating good agreement. A FEM-based numerical analysis was thereafter performed to explore the effect of the change in elastic modulus of different FRP elements on the static deformation of the bridge. The results confirmed that the change in elastic modulus of different types of FRP element members caused remarkable differences on the bending and torsional stiffness of the hybrid bridge. The global stiffness of such a unique bridge can be significantly enhanced by redesigning the critical lower string pull bars using designable FRP profiles with high elastic modulus.

• Journal of the Korean Society of Clothing and Textiles
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• v.21 no.1
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• pp.119-128
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• 1997

The purpose of this study is to examine the military look, which is one of the most popular fashion trends in the 1996 women's fashion. Military look is that imitates or reinterprets the Army uniform which is functionally useful. After World War 1 , military look appeared in the women's fashion which is functionable tailor suits style, ankle-length skirt, pants or boiler suits for work wear, overcoat against the cold, and there was an attempt to introduce a National Standard Dress. In the middle of World War II, there was a similiar circumstance in women's military fashion. There were functionable tailor suits, knee-length skirt, pants or siren suits for work wear. And the Utility Dress was nationally recommended. In addition, the regulations were introduced to control the materials and styles used for some clothes. In the 70s, as the resistance movement as counterculture began to wear Army look which was army-uniform or army caps with 'US ARMY' logo and badges, and became very popular among the youth. In the 90s, military look has got one of the fashionable fashion themes with revival of Neo- Hippie look. Not only street fashion but also high fashion designer selected the trend for '96A/W The characteristics of the military look are khaki colors or camouflage prints, epaulets, big outpockets with flap, golden buttons and army belt. As I examined, during the World War I and ll, women wore the military look because of shortage of goods and work or service, and it was recommended by government. Though the military look in 70s, began by the resistance movement, at least it became a popular fashion. Military look in 90s, does not have inner symbolic meaning or ideology but it only represents fashion trend and revival fashion.

• Journal of Korean Neurosurgical Society
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• v.56 no.5
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• pp.405-409
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• 2014

Objective : To determine the efficacy of endoscopic surgery in combination with long-acting somatostatin analogues (SSAs) in treating patients with growth hormone (GH)-secreting pituitary tumor. Methods : We performed retrospective analysis of 133 patients with GH producing pituitary adenoma who underwent pure endoscopic transsphenoidal surgery in our center from January 2007 to July 2012. Patients were followed up for a range of 3-48 months. The radiological remission, biochemical remission and complication were evaluated. Results : A total of 110 (82.7%) patients achieved radiological complete resection, 11 (8.2%) subtotal resection, and 12 (9.0%) partial resection. Eighty-eight (66.2%) patients showed nadir GH level less than 1 ng/mL after oral glucose administration. No mortality or severe disability was observed during follow up. Preoperative long-acting SSA successfully improved left ventricle ejection fraction (LVEF) and blood glucose in three patients who subsequently underwent success operation. Long-acting SSA (20 mg every 30 days) achieved biochemical remission in 19 out 23 (82.6%) patients who showed persistent high GH level after surgery. Conclusion : Endoscopic transsphenoidal surgery can biochemically cure the majority of GH producing pituitary adenoma. Post-operative use of SSA can improve biochemical remission.

• Convergence Security Journal
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• v.20 no.2
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• pp.137-144
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• 2020

Non-commissioned officers reach 80% of the 6,500 recruitment target, and 88% of the workforce is operated, about 9,500 less than the quota. To solve this problem, RNTC was tested and operated for about four years since 2015. And it was run directly by the Army in 2020. However, the Army has not solved the problem of RNTCs in college. While maintaining RNTC in universities, measures were needed to cope with the decrease in school-age populations, but the army did not address them. The universities tried to achieve two goals: securing students and increasing employment rates, which failed to meet the expectation. This was mainly because students only from particular departments were selected. And this was not what the army aimed to achieve through RNTC. After analyzing the cause of this phenomenon. the problem turned out to be the erroneous perception of RNTC to the general public. In order to eradicate this problem, there needs to be more effective promotion by the Army, and some improvements are also needed in terms of RNTC's selection process. In this paper, we find and describe the problems of the system itself. If this problem is solved, we will be able to not only satisfy the needs of both the Army and the universities, but also produce good non-commissioned officers through the RNTC system.

• Asian Pacific Journal of Cancer Prevention
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• v.13 no.4
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• pp.1667-1674
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• 2012

Objective: To explore the differential protein expression profile in EC304 gastric cancer cells induced by alphastatin. Methods: Cultured EC304 cells in the exponential phase of growth were randomly divided into alphastatin and control groups. Total proteins were extracted and the two dimensional electrophoresis (2-DE) technique was applied to analyze differences in expression with ImageMaster 2D Platinum 5.0 software. Proteins were identified using the MASCOT database and selected differently expressed proteins were characterised by western blotting and immunofluorescence. Results: $1350{\pm}90$ protein spots were detected by the ImageMaster software in the 2-DE gel images from the control and alphastatin groups. The match rate was about 72-80% for the spectrum profiles, with 29 significantly different protein spots being identified, 10 upregulated, 16 downregulated, two new and one lost. The MASCOT search scores were 64-666 and the peptide matching numbers were 3-27 with sequence coverage of 8-62%. Twenty-three proteins were checked by mass spectrometry, including decrease in Nm23 and profilin-2 isoform b associated with the regulation of actin multimerisation induced by extracellular signals. Conclusion: The proteome in EC304 cells is dramatically altered by alphastatin, which appears to play an important role in modulating cellular activity and anti-angiogenesis by regulating protein expression and signal transduction pathways through Nm23 and profilin-2 isoform b, providing new research directions for anti-angiogenic therapy of gastric cancer.