• Title/Summary/Keyword: 문화사

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Analysis of Apple Colors and Sugar Contents Using Linear Regression (선형회귀를 이용한 사과의 색상과 당도 분석)

  • Kim, Seon-Jong
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.1
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    • pp.201-207
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    • 2022
  • In this paper, the relationship between RGB, HSV, La*b* colors and sugar content was analyzed using linear regression on apples harvested in the same region. First, as a result of examining the correlation coefficient with sugar content according to each color level, it was found that the (+) region having a positive coefficient and a (-) region having a negative coefficient were separated according to the color level. Also, the correlation coefficient between color and sugar content, represented by the average value, was 0.342 in the La*b* color space, which was higher than the coefficient in the RGB and hsv space. That is, this means that the sugar content is related to the color in the La*b* space. Also, in the complex color composed of regions with high sugar content, it was found to be R2=0.3627, indicating that it is related to sugar content. In all nine color spaces, it was found to be R2=0.3668. In this case, it was found that the coefficients of v and b* had an effect on the sugar content. Due to this, it was possible to confirm the validity of the empirical prediction that the higher the b* representing yellow, the higher the sugar content.

Use of the 20th Presidential Election Issues on YouTube: A Case Study of 'Daejang-dong Development Project' (유튜브 이용자의 제20대 대통령선거 이슈 이용: '대장동 개발 사업' 사례를 중심으로)

  • Kim, Chunsik;Hong, Juhyun
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.4
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    • pp.435-444
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    • 2022
  • There are three focuses in the paper. Firstly, the study identified what channels were most viewed by YouTube users to watch the 'Daejang-dong scandal,' which was the most powerful agenda to influence the candidate preference among voters during the 20th presidential election. Secondly, the study analyzed whether the political tone of the first videos was in line with that of the subsequent videos. Finally, we compared the sentiment of comments on the first and subsequent videos. The results showed that TBS 'News Factory' and 'TV Chosun News' represented liberal and conservative factions, respectively. Secondly, the political tone of channels that were viewed subsequently was neutral, but the conservative channel users left more negative comments and that was significant statistically. In addition, about 80% of the conservative and liberal channel users shared the same political tendency with the channel they watched first, and more than 90% of the comments left at the subsequent videos in line with that of at the first news. Based on these results, the study concluded that the voters tended to seek political news that was similar with their political ideology, and it was considered a sort of echo chamber phenomenon on the YouTube. The study suggests that the performance of high-quality journalism by traditional news outlet might contribute to decrease the negative influence of political contents on YouTube users.

Grade Analysis and Two-Stage Evaluation of Beef Carcass Image Using Deep Learning (딥러닝을 이용한 소도체 영상의 등급 분석 및 단계별 평가)

  • Kim, Kyung-Nam;Kim, Seon-Jong
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.2
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    • pp.385-391
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    • 2022
  • Quality evaluation of beef carcasses is an important issue in the livestock industry. Recently, through the AI monitor system based on artificial intelligence, the quality manager can receive help in making accurate decisions based on the analysis of beef carcass images or result information. This artificial intelligence dataset is an important factor in judging performance. Existing datasets may have different surface orientation or resolution. In this paper, we proposed a two-stage classification model that can efficiently manage the grades of beef carcass image using deep learning. And to overcome the problem of the various conditions of the image, a new dataset of 1,300 images was constructed. The recognition rate of deep network for 5-grade classification using the new dataset was 72.5%. Two-stage evaluation is a method to increase reliability by taking advantage of the large difference between grades 1++, 1+, and grades 1 and 2 and 3. With two experiments using the proposed two stage model, the recognition rates of 73.7% and 77.2% were obtained. As this, The proposed method will be an efficient method if we have a dataset with 100% recognition rate in the first stage.

The Newly changed Painting's Aesthetic of Seonbi painter Yoon DeokHee and Yun Yong Father and Son (선비화가 윤덕희(尹德熙)·윤용(尹愹) 부자(父子)의 변유적(變維的) 회화심미(繪畵審美) 고찰)

  • Kim, Doyoung
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.2
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    • pp.199-206
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    • 2021
  • The three generations of Haenam Yoon, who have been handed down to Gongjae Yoon DuSeo (1668~1715), Yoon DeokHee (1685~1776) and Yoon Yong (1708~1740), were based in Haenam. They had an artistic soul on the stage of Hanyang and succeeded in the art of the family, building a reputation as a family of Seonbi painters representing the late Joseon Dynasty. Born as the eldest son of Gongjae and lived at the age of 82, Rakseo learned a variety of studies, calligraphy and painting from his father and Lee Seo. While learning the paintings of the early and mid Joseon period, and accepting the Namjong painting method, he pursued the realism and three-dimensional sense of the subject by adding a Western-style shading method. In particular, he showed outstanding talent in horse paintings and pottery figures, expressing his original 'Beauty that realistically portrays real scenery'. Cheonggo, who was born as the second son of Rakseo and died at the age of 32, was good at Namjong landscape painting using various tree drawing methods. He painted the original Siuido by changing the topical poems, as well as detailed observations and explorations to accurately describe the facts of the object. In addition, 'Beauty showing affection through realistic scenery' was expressed by newly changing and reinterpreting the tendency of home appliances painting to express the spirit as a form beyond the realistic landscape. Rakseo and Cheonggo father and son made a 'NogUdang' painting style, drastically changing the paintings of the late Joseon Dynasty, and had a great influence on the history of Korean painting.

Development of the Protocol of the High-Visibility Smart Safety Vest Applying Optical Fiber and Energy Harvesting (광섬유와 압전 에너지 하베스팅을 적용한 고시인성 스마트 안전조끼의 개발)

  • Park, Soon-Ja;Jung, Jun-Young;Moon, Min-Jung
    • Science of Emotion and Sensibility
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    • v.24 no.2
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    • pp.25-38
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    • 2021
  • The aim of this study is to protect workers and pedestrians from accidents at night or bad weather by attaching optical fiber to existing safety clothing that is made only with fluorescent fabrics and retroreflective materials. A safety vest was designed and manufactured by applying optical fiber, and energy-harvesting technology was developed. The safety vest was designed to emit light using the automatic flashing of optical fibers attached to the film, and an energy harvester was manufactured and attached to drive the light emission of the optical fiber more continuously. As a result, first, the vest wearer' body was recognized from a distance through the optical fiber and retroreflection, which helped prevent accidents. Thus, this concept helps in saving lives by preventing accidents during night-time work on the roadside or activities of rescue crew and sports activities, or by quickly finding the point of an accident with a signal that changes the optical fiber light emission. Second, to use the wasted energy, a piezoelectric-element power generation system was developed and the piezoelectric-harvesting device was mounted. Potentially, energy was efficiently produced by activating the effective charging amount of the battery part and charging it auxiliary. In the existing safety vest, detecting the person wearing the vest is almost impossible in the absence of ambient light. However, in this study, the wearer could be found within 100 m by the light emission from the safety vest even with no ambient light. Therefore, in this study, we will help in preventing and reducing accidents by developing smart safety clothing using optical fiber and energy harvester attached to save lives.

Hollywood in Print -Movie Programmes of a Korean Theater in Ethnically Segregated Kyǒngsǒng in the 1920s and the Reception of Hollywood Prestige Pictures (활자와 이미지로 읽는 할리우드 -1920년대 조선극장의 영화관 프로그램과 미국 '특작'영화 경쟁)

  • Ahn, Sejung
    • Journal of Popular Narrative
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    • v.27 no.1
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    • pp.53-98
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    • 2021
  • This paper examines the ways in which Hollywood feature films produced and widely circulated with the establishment of the studio system was consumed in the ethnically segregated Korean movie theaters in Kyǒngsǒng in the 1920s. Focusing on how those theaters appropriated what Hollywood represented, this paper has three objectives. First, from a historical and economic perspective, I will historicize the emergence of so-called prestige pictures and how movies became a branded product in that process. Second, I will also loot at how Chosǒn Theater, one of the earliest movie theaters in the Korean-resident area in Kyǒngsǒng who sought to be a prestigious movie palace actively exploited Hollywood brand, by foregrounding its Paramount connection, in particular. Lastly, through a close reading of weekly programmes and handbills, I will examine how these promotional print materials, as an intermediating medium, helped to supplement the audiences' viewing of Hollywood movies while creating loyal audiences.

An Age of Essays: Memoirs, Philosophical essays and Essays of the 1960s (수필의 시대: 1960년대 수기, 수상, 에세이 -김형석, 안병욱, 김태길의 수필을 중심으로)

  • Park, Suk-Ja
    • Journal of Popular Narrative
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    • v.26 no.3
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    • pp.9-44
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    • 2020
  • This article aimed to looked back at the 1960s, which were assessed to be 'the age of essays', to survey denotations of essays, amplified by the discourse antagonism surrounding 'essays' and the writings of philosophers. Kim Hyeong Suk, Ahn Byeong Uk, and Kim Te Gil were philosophy professors of Yonsei University, Soongshil University, and Seoul National University and writers of numerous essay collections of the 1960s. However, there have been very few studies conducted on them. This is because of old prejudices within literary history that primarily undervalue essays and practices that try to limit them as 'Literariness'. Essays of the 1960s became the flavor of the times based on democratic demands that attempted to objectify individual experiences and grounds that passed through the war and the April 19 Revolution. The language of philosophers was expropriated through the various senses of first person writing to readers of the times, which lacked civil culture and national morality. Deficits in public spheres of the 1950s and 1960s were filled by Kim Hyeong Suk's narrations of comfort and conquest based on historic experiences, Ahn Byeong Uk's logic of self-discipline and knowledge based on democracy, and Kim Te Gil's humor and introspection that objectified the lives of the petit bourgeois. However, as the essays of philosophers failed to connect with the public discourse of the age, they were unable to go as far as sparking or serving as a medium for civil culture in the 1970s. Regardless, as essays rose historically in the 1960s, thought was given to the characteristics of the 'essay' genre and in connection, to the merits and demerits of cultural history that possesses the language of philosophers.

Development and Effects of the Project to Increase Lacquer Production During the Japanese Colonial Era (일제강점기 옻칠 증산(增産) 사업의 전개와 영향)

  • KANG, Yeongyeong
    • Korean Journal of Heritage: History & Science
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    • v.55 no.3
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    • pp.22-44
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    • 2022
  • Lacquer, in addition to high-end crafts such as lacquerware inlaid with mother-of-pearl, was an important strategic material used in a wide range of fields such as industry, architecture, and munitions during the Japanese colonial era. In particular, as the demand for lacquer used in munitions soared in the 1940s when the war started, a ticket system was introduced to restrict its distribution. Meanwhile, Japan experienced a chronic shortage of lacquer as a result of the rapidly increasing demand for it, and thus went on to import Chinese lacquer after the late 19th century. After the 1910s, the market share of Chinese lacquer reached 90%, and the local situation in China began to affect the supply and demand for lacquer in Japan. To counteract the issue, the Japanese government increased the production of lacquer in Joseon. As for the project to increase lacquer production in Joseon, objective indicators were prepared through a number of tests in the 1910s and 20s, which paved the way for the project to begin in earnest in the 1930s. Lacquer trees were planted and training classes on how to collect lacquer were held throughout the country. The Japanese government promoted the lacquer production industry as a promising side job for Koreans. The project, implemented in various parts of the country, reaped fruitful results, and it provided the basis for lacquer production in Korea that has continued to this day. At that time, the major regions in the southern part of the country where the project was concentrated were Wonju, Okcheon, and Hamyang, regions that are still known today as major production sites. The improved method of collecting lacquer taught to Koreans by the Japanese has now become the main method of collecting lacquer in Korea. This study attempts to identify the current status of the project to increase lacquer production through various records from the Japanese colonial era with a view to contributing to the study of modern lacquer craft history.

A Comparative study of the Calligraphy Theory between Jin Nong and Yibingshou in the Qing Dynasty (청대(淸代)의 김농(金農)과 이병수(伊秉綬)의 예서(隸書) 작품 비교연구)

  • Zhang, Lei
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.6
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    • pp.493-503
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    • 2022
  • With the rise of epigraphy and textology, and the emerge of many famous outstanding clerical script masters, Qing Dynasty becomes another important innovation period in the development of the clerical script. Jin Nong and Yi Bingshou are two important clerical script masters in the Qing Dynasty. Thus, researches on the courses of their careers as well as a comparative study between these two calligraphers, Jin Nong and Yi Bing, are specially important. The comparative study of Jinnong and Yibingshou's clerical script is a relatively new subject, which is entered from the angel of comparative perspective between their clerical scripts works. Through an in-depth research on different inheritance routes, which are origin from Han Dynasty clerical scripts, of Jin Nong and Yibingshou, it is found that these two calligraphers are different in innovation of clerical script style, theory of calligraphy and of clerical script practice. This paper focuses on a comparative study of the different clerical theories and clerical script works between Han Dynasty, Jinnong and Yi Bingshou. A comparative study of clerical script works of Jin Nong and Yibingshou in Qing Dynasty provides a more comprehensive and in-depth understanding on these two calligraphers; meanwhile, it provides valuable learning paths for later calligrapher in the field of clerical script, and can be regarded as references in the innovation of the official script style.

A Study on the Application of Virtual Space Design Using the Blended Education Method - A La Carte Model Based on the Creation of Infographic - (블렌디드 교육방식을 활용한 가상공간 디자인 적용에 관한 연구 -알 라 카르테 모델 (A La Carte) 인포그래픽 가상공간 제작을 중심으로-)

  • Cho, Hyun Kyung
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.5
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    • pp.279-284
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    • 2022
  • As a study of the blended learning method on design education through the blended learning method, I would like to propose that more advanced learner-led customized design education is possible. Understanding in face-to-face classes and advantages in non-face-to-face classes can be supplemented in an appropriate way in remote classes. Advanced artificial intelligence and big data technology can provide personalized and subdivided learning materials and effective learning methods tailored to learners' levels and interests based on quantified data in design classes. In this paper, it was proposed to maximize the efficiency of the class by applying a method that exceeds the limitations of time and space through the proposal of the A La Carte model (A La Carte). It is a remote class that can be heard anytime, anywhere, and it is also possible to bridge the educational quality and educational gap provided to students living in underprivileged areas. As the goal of fostering creative convergence-type future talents, it is changing with a rapid technological development speed. It is necessary to adapt to the change in learning methods in line with this. An analysis of the infographic virtual space design and construction process through the A La Carte model (A La Carte) proposal was presented. Rather than simply acquiring knowledge, it is expected that knowledge can be sorted, distinguished, learned, and easily reborn with its own knowledge.