• Title/Summary/Keyword: painting work

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Rough-cut simulation algorithm for the decision of operations policy at the block paint shop in shipbuilding (조선 도장공정 운영전략 수립을 위한 사전모의실험기법)

  • Chung, Kuy-Hoon;Park, Chang-Kyu;Min, Sang-Gyu;Park, Ju-Chull;Cho, Kyu-Kab
    • IE interfaces
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    • v.14 no.1
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    • pp.59-66
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    • 2001
  • This paper introduces the case study that has been performed at the block paint shop, Hyundai Heavy Industries. First of all, the overall production processes of shipbuilding and research activities conducted by Korean are reviewed with a view-point of production planning. Then HYPOS(Hyundai heavy industries Painting shop Operation System) project is briefly described, which has several modules such as planning module, scheduling module, work order module, and DB(database) management module. Although the HYPOS system has several modules, this paper mainly focuses on the planning module that utilizes the rough-cut simulation algorithm to make a decision about the policy for production schedule. The HYPOS has been operated since June, 2000 and the operation data has been collected for the purpose of future evaluation about the performance of HYPOS system. The evaluation of HYPOS will be shown in a public domain as soon as the enough operation data is available.

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Exploring the Artistic Style of the Oriental Paintings (동양화의 예술적 스타일 탐구)

  • Li, Suli;Lee, Hyo Jong
    • Proceedings of the Korea Information Processing Society Conference
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    • 2019.05a
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    • pp.475-478
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    • 2019
  • Although the work of neural style transfer has shown successful applications in transferring the style of a certain type of artistic painting, it is less effective in transferring Oriental paintings. In this paper, we explore three methods which are effective in transferring Oriental paintings. Then, we take a typical network from each method to carry on the experiment, in view of three different methods to Oriental paintings style transfer effect has carried on the discussion.

The fire-risks of cost-optimized steel structures: Fire-resistant and hot-rolled carbon steel

  • Garcia, Harkaitz;Cuadrado, Jesus;Biezma, Maria V.;Calderon, Inigo
    • Structural Engineering and Mechanics
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    • v.78 no.1
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    • pp.67-75
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    • 2021
  • This work studies the behaviour of a steel portal frame selection under fire exposure, considering both span lengths and fire exposure times as variables. Such structures combine carbon steel (S275), fireproof micro-alloyed steel (FR), and coatings of intumescent paint with variable thicknesses, improving thereby the flame retardant behaviour of the steel structure. Thus, the main contribution of this study is the optimization of the portal frames by combining both steels, analysing the resulting costs influence on the final dimensions. Besides, the topological optimization of each steel component within the structure is also defined, in accordance with the following variables: weather conditions, span, paint thickness, and cost of steel. The results mainly confirmed that using both FR and S275 grades with intumescent painting is the Pareto optimum when considering performance, feasibility and costs of such portal frames widely used for industrial facilities.

Development of a Prototype Monitoring Module for Steel Bridge Repainting Robots (강교량 재도장 로봇의 모니터링 모듈 시제품 개발)

  • Seo, Myoung Kook;Lee, Ho Yeon;Park, Il Hwan;Chang, Byoung Ha
    • Journal of Drive and Control
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    • v.17 no.4
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    • pp.15-22
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    • 2020
  • With the need for efficient maintenance technology to reduce maintenance costs for steel bridges, repainting robots are being developed to automate the work in narrow and poor bridge spaces. The repainting robot is equipped with a blasting module to remove paint layers and contaminants. This study developed a prototype monitoring module to be mounted on the repainting robot. The monitoring module analyzes the condition of the painting surface through a camera installed in the front, guides the direction of movement of the robot, and provides the operator with a video to check the working status after blasting through a camera installed in the back. Various image visibility enhancement technologies were applied to the monitoring module to overcome worksite challenges where incomplete lighting and dust occurs.

Object Detection Accuracy Improvements of Mobility Equipments through Substitution Augmentation of Similar Objects (유사물체 치환증강을 통한 기동장비 물체 인식 성능 향상)

  • Heo, Jiseong;Park, Jihun
    • Journal of the Korea Institute of Military Science and Technology
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    • v.25 no.3
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    • pp.300-310
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    • 2022
  • A vast amount of labeled data is required for deep neural network training. A typical strategy to improve the performance of a neural network given a training data set is to use data augmentation technique. The goal of this work is to offer a novel image augmentation method for improving object detection accuracy. An object in an image is removed, and a similar object from the training data set is placed in its area. An in-painting algorithm fills the space that is eliminated but not filled by a similar object. Our technique shows at most 2.32 percent improvements on mAP in our testing on a military vehicle dataset using the YOLOv4 object detector.

Coloration of Han-bok on Modern Korean Oil-Paintings (한국 근대 서양화에 표현된 한복의 배색에 관한 연구)

  • Kim Mi-Jin;Cho Woo-Hyun
    • Journal of the Korean Society of Costume
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    • v.56 no.1 s.100
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    • pp.1-12
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    • 2006
  • The purpose of this study is to comprehend the color and the coloration of Han-bok on the oil-painting of modern Korea. Generally, the modern Korean art is from late 19th to early 1980s' for the lowest year. Through the introduction of oil painting and the painter's work which had been reflected painter's realism at these times, we might know that the phases of the times and we could see a Korean costume and color combination. In this study, Han-bok is divided to upper clothes, lower clothes and the other parts which was distinguished by the color. The color of Han-bok which is watched on the modern art oil-painting is mainly white. The primary color including red, yellow, blue and middle tone colors is in harmony. It means that the five colors of Yin-Yang Wu-hsing were preferred until the modern times. The coloration of Han-bok is classified to a one-colored arrangement, two-colored arrangement and three-colored arrangement. The one-colored arrangement by white and black is a peculiar coloration to the modern times. The two-colored arrangement is a traditional coloration of Han-bok. The color which is high value and chroma is arranged on jacket, Jeogori. A dimension rate that is related with the difference of value and chroma made a visual harmony. In many cases of the two-colored arrangement of neutral colors is not much different in Jeogori and Chima. So Han-bok which is two-colored arrangement of neutral colors is colored in a breast- tie, pigtail ribbon, cuff and waist band for getting visual focus. The represented three-colored arrangement is white Jeogori and navy blue Chima with red breast-tie. It is a perfect visual color combination. The color of Han-bok was inherited a traditional color and the combination of neutral color was balanced. It was a refinable coloration system according to a difference of value and chroma. It means that a color sensation and arrangement of Korean have been developed by our unique climate, nations and the culture which has been formed for a long times.

A study of psychiatric patients perceived effect and expectance of the activity therapy (정신과 환자가 인지한 활동요법의 효과와 기대에 대한 연구)

  • Kim, Soyasa;Kim, Hyunsook;Yoon, Soojean;Jung, Hyangln;Sung, Kyungmi
    • The Korean Nurse
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    • v.31 no.4
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    • pp.62-76
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    • 1992
  • The intent of chis descriptive study is to investigale lhe patients perceived effect and expectance of activity therapy. The subjects for this study were 56 patients from the psychiatric ward in Severance Hospital. The data were collected during Lhe period from June 1, 1991 to January 18, 1992. The effect and expectance of the activity therapy was measured using a questionnaire developed by this study's investigators. The date were analyzed by descriptive statistics, t-test ancl one-way ANOVA, using the SPSS program. The results of this study can ue summarized as following ; 1. For motivatiorc for the accivity therapy, the response range was from 64.;] % to 89.3 %, that is, it showed a relatively positive response. 2. For the degree of improvement according to the nurse's method in the activity therapy, it was shown that the nurses need professional skill and meeting after activity therapy. 3. For the relevance of the nurse in the activity therapy, 90 % of the subjects had a positive answer for all of the activity therapy except the painting therapy. 4. For the perceived effect of the activity therapy, the following results were obtained. 1) 92% of the subjects had a positive response to the dance therapy, that is-I am vigorous physically. 2) 90 % of the subjects had a positive response to the reading therapy, that is-I acquire good ideas and instruction. 3) 98.1 % of the subjects had a positive response to the recreation therapy, that is-I am joyful. 4) 88.9% of the subjects had a posilive response to the writing therapy, that is-I am interested and become acquainted with other patients. 5) 86.8 % of tbe subjects had a positive response to the occupation therapy, that is-I am happy when I work. 6) 92.6 % of the subjeccs had a positive response to lhe painting therapy, that is-I can express myself in painting. 7) 87.3% of the subjects had a positive response to the musie therapy, that is-I am comforted. 5. For the expectance related to the activity therapy, 97.1 % the subjects had the most postive response to the music therapy which is a pleasant comfortable time. From the above-mentioned findings, it is suggested that psychiatric nurses need to development systematic and professional group activity therapy, and know the patient premorbid hobbies, interests and occupations.

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Practical Study of Low-temperature Vacuum Swing Adsorption Process for VOCs Removal (휘발성 유기화합물 제거를 위한 저온 vacuum swing adsorption 공정의 실용화 연구)

  • Jeon, Mi-Jin;Pak, Seo-Hyun;Lee, Hyung-Don;Jeon, Yong-Woo
    • Applied Chemistry for Engineering
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    • v.28 no.3
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    • pp.332-338
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    • 2017
  • The objective of this work was to study the low temperature vacuum adsorption technology applicable to small and medium scale painting plants, which is the main emission source of volatile organic compounds. The low-temperature vacuum swing adsorption (VSA) technology is the way that the adsorbates are removed by reducing pressure at low temperature ($60{\sim}90^{\circ}C$) to compensate disadvantages of the existing thermal swing adsorption (TSA) technology. Commercial activated carbon was used and the absorption and desorption characteristics of toluene, a representative VOCs, were tested on a lab scale. Also based on the lab scale experimental results, a $30m^3min^{-1}$ VSA system was designed and applied to the actual painting factory to assess the applicability of the VSA system in the field. As a result of lab scale experiments, a 2 mm pellet type activated carbon showed higher toluene adsorption capacity than that of using 4 mm pellet type, and was used in a practical scale VSA system. Optimum conditions for desorption experiments were $80{\sim}90^{\circ}C$ and 100 torr. In the practical scale system, the adsorption/desorption cycles were repeated 95 times. As a result, VOCs discharged from the painting factory can be effectively removed upto 98% or more even after repeated adsorption/desorption cycles when using VSA technology indicating potential field applicabilities.

Research on Re-creational Experiment and Technique of Gold Powder Painting for Goryeo Gold-painted Porcelain (고려시대 금채자기의 채색기법 재현실험 연구)

  • Hwang, Hyun-Sung;Lee, Da-Hae
    • Journal of Conservation Science
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    • v.27 no.4
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    • pp.403-414
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    • 2011
  • This study is re-creational experiment of Goryeo gold-painted decoration based on the research of the gold remaining and gold painting technique on the two pieces of Goryeo gold-painted celadon and the three pieces of Chinese gold-painted porcelain on North Song period which ones have been owned by National Museum of Korea since 2007. For the observation of glue state and color developing ability, four kinds of agglutinative agent and gold powder were mixed over the porcelain sherds, then gradually fired from $100^{\circ}C$ to $1200^{\circ}C$. Visual effect and ideal temperature were measured. Among of them, oil and glue showed the best results in glue state and color developing ability. Through those results, the entire Goryeo engraved celadon were reproduced in modern facilities. Oil and glue were gold-painted over the glaze then it was fired at the ideal temperature 700 to $800^{\circ}C$. For observation the binding condition, the gold-painting cross section was looked by the scanning electron microscope (SEM). As the result, oil and glue did not make much difference in Agglutinative agent, but gold was good, the color developing ability, however, in the case of oil, the edge of gold is curled because of its interfacial tension, and it is not dried well at room temperature so the working property is not as good as the glue. Glue more effective in terms of work efficiency, but color developing ability to fall slightly in this experiment were able to see through.

A Study on the Jo Hee-Ryong's work in Writing and Painting's Aesthetic - In relation to the term of banishment(1851~1853) on Imja Island- (조희룡(趙熙龍)의 집필활동(執筆活動)과 회화심미(繪畵審美) 고찰 - 임자도(荏子島) 유배기(流配期)(1851~1853)와 관련하여...-)

  • Kim, Doyoung
    • The Journal of the Convergence on Culture Technology
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    • v.5 no.2
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    • pp.279-286
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    • 2019
  • Jo, Hee-ryong(1789-1866), who was given the title of "boss of the world handling a China inkt" in the late Joseon Dynasty, was from a noble family, but he claimed to be a yeohang-in himself. The byeoggyesa was formed based on Jong-in and they are engaged in literary activities. Hee-ryong Jo, "I do not follow people's back" is the art spirit of my life. The theory of the Holy Spirit has inspired emotion or inspiration as the essence of art. He pursued original aesthetics of painting with the true nature and personality as important. During his early 60s, the period of banishment for about three years had a profound impact on the identity and direction of his art world. During this period, he wrote four volumes, including "Hwaguamlanmug", "Uhaeagamgo", "Sugyeongjaehaeoejeogdog", "Hanwaheonjehwajabjon" and among his paintings with 19 paintings, eight paintings were produced, including "Hwangsannaengundo", "Bangunlimsansudo", "Maehwaseoogdo". These works reveal the Playful sokmi sprit, the grotesque of manual dexterity, and the aesthetic of painting through the natural divergence of natural nature.