• Fashion & Textile Research Journal
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• v.25 no.6
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• pp.725-731
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• 2023

With the development of technology, many changes have emerged in how consumers acquire information without restrictions on their location and time. As changes and interest in digital platforms increase, beauty industry applications are being developed in order to attract customers. Therefore, this study has provided the empirical data necessary for the development and advancement of beauty applications in the future by analyzing preferences for makeup applications according to age. The method of this study involved searching for makeup applications that had been downloaded more than 100 million times through the Google Play Store between October 11, 2020 to November 3, 2020. Four applications were identified: YouCma Makeup, YouCam Perfect, Beauty Plus, and Sweet Snap. The surveyed functions were tested on 100 people in their teens, 20s, 30s, and 40s, with a similar profile of 100 people in their teens, 20s, 30s, and 40s surveyed from January 3, 2022 to April 23, 2022. The functional preferences of the application were investigated, and the results were analyzed through frequency analysis. The results are as follows: the application that received the greatest preference for features by age was YCM, which was found to have subdivided functions that provide users a wider range of choices and more detailed work when compared to other applications which enable photo retouching.

• Journal of Korea Multimedia Society
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• v.15 no.2
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• pp.179-194
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• 2012

Digital image forgery is becoming a topic of great interest with regard to honesty in imaging. We can often see forged digital images in a variety of places, such as the internet, and magazines, and in images used in political ads, etc. These can reduce the reliability and factual basis of the information contained in image. Therefore, objectivity is needed to determine if the image is forged so as to prevent confusion in the viewing public. Most digital forgeries consist of image resizing, rotating including the following interpolations. To find evidence of interpolation in forged images, this paper proposes a new method for detecting digital image forgery using general interpolation factors analyzed through re-interpolation algorithm of the forged images in order to determine the differences in the patterns. Through the re-interpolation algorithm we could detect the forged region and filtering region used image retouching included to interpolation.

• Journal of Digital Convergence
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• v.11 no.10
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• pp.679-687
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• 2013

Currently, we are living in the era of digital media that puts the technologies in front which is called digital. Based on the characteristic of 'de-materialistic', human senses have been extended more than ever and there is no exception on those influences. Even though the existence of media seriously brought the identity and value of the painting into a question after the emergence of analog photos, advent of digital photos are raising the wind of new paradigms and values creation more seriously than ever. Unlike analog photos of the past which go through chemical process, true nature of digital photo goes through the digital process which is represented by 0 and 1. This didn't bring the loss of the original, but rather brought the creation of the copy which excels the original through retouching and consequently, destroyed the traditional value which is referred as an original. Like this, digital photo image has aesthetics and value of existence which is differentiated from analog photo because it has essentially different structures and characteristics with analog photo.

• The Research Journal of the Costume Culture
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• v.29 no.3
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• pp.422-436
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• 2021

The fashion industry analyzes the value of its essence with ecological design and is expressed as an innovative sculpture using digital technology. Accordingly, this study explores ecological images and digital technologies, categorizes types and derives their meanings through analysis of ecological images shown in modern digital fashion. A literature survey was conducted on ecological images and digital technology as a theoretical background. To analyze the expression type and internal meanings of ecological images, designs with ecological formability were selected and analyzed from related journals, books, and internet sites. The finding are as follows: The expression type was first identified as organic curved garment silhouettes of a non-material liquid with digital retouching. Second, ecological fashion design includes structural shape that applies the silhouette of an organism and patterning of the ecosystem. Third, ecosystems consist of interactions between components of an ecosystem that appear in the interactive type. Accordingly, the internal meanings of ecological images in modern digital fashion are: first, digital fashion can encircle the inherent concepts of nature as organic collections of individuals; second, digital ecological images emphasize a sense of community with coexistence and harmony, playing a complementary role; and finally, the images express perceptual features by providing people with transcendent experiences. This study is significant as it analyzes new formative features based on ecological systems in the digital fashion environment, establishes an aesthetic system through internal meanings, and enhances awareness of human-natural relationships.

• Journal of Conservation Science
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• v.35 no.5
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• pp.518-527
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• 2019

This investion studies the manufacturing techniques of chimi(ridge-end roof tiles based on the) fragments excavated from the Wonju Beopcheonsa temple site(Historic site No. 466) and aids in the conservation of the fragments. The results of the investigation are categorized into the production of the body parts, the wing and the feather attachment, the production of the decorative parts, the scratches in the upper and lower part, the perforations connecting the upper and lower parts, and the formative features(bending phenomenon). The procedures in the conservation treatment of the chimi was performed in a sequential order beginning with a preliminary examination, followed by the removal of foreign substances, coating, joining and restoration, and color retouching. A three-dimensional scanning data was employed to restore the missing parts after adhesion to determine the location, size, and angle of the original shape. The restored chimi measures 118 cm in height and weighs 121 kg, which makes it the fifth largest in size among any chimi(including restored) in Korea. We expect that the pointed feathers will make the chimi from the Beopcheonsa temple site a rare reference as no specimens with these features have been found in Korea until now.

• Journal of the Institute of Electronics and Information Engineers
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• v.50 no.2
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• pp.203-209
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• 2013

Digital Radiography (DR) has improved a quality of resolution based on a wide dynamic range, high detective quantum efficiency (DQE), and modulation transfer function (MTF), compared with film/screen(F/s). Unlike expectation that a low level of radiation can be used in examination, high level of signal to noise ratio(SNR) due to over-exposure caused increase of exposed dose to patients. Also, the auto exposure control (AEC) using Kilovolage(kVp) in F/S can cause over-exposure. Hence, in this study, we proposed a proper method for using DR, in which effect of tubing Kilovolage on device's image, DR MTF measurement with changes of tubing current (mA), and the quantitative evaluation of skull phantom captured images' PSNR were evaluated. Changes of contrast with tubing Kilovolage can be improved by retouching, and MTF changes according to tubing current(1.41~1.39 lp/mm in 50% area, and 3.19~2.8 lp/mm in 10% area) does not influence on resolution of image. As a result, high tubing Kilovoltage, and tubing current will be suitable to use of DR.

• Science of Emotion and Sensibility
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• v.17 no.1
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• pp.105-114
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• 2014

The skin-tone in portrait photography is one of the most sensitive parts that need retouching by a photographer. To investigate the emotional reactions related to users' preferences for the skin-tone variations in portrait photography, two experiments were conducted. The first experiment included JND(Just Noticeable Difference) test to determine the general distribution of preferences with many photographs that varied in phases up to an extreme one, as a result, preferences for the brightest skin-tone and the red or magenta one were found. Based on the first experiment, we reduced the number of samples by adjusting their brightness to the brightest phase constantly. To intensify the second experiment, we reduced the number of the other colored samples to only one and made samples for five phases from green to magenta, namely the most preferred skin-tone in the first experiment. In the second experiment, the common preference for a neutral skin-tone and the partial difference between the two gender groups were found. In conclusion, the users' preference for a particular skin-tone was positively affected by emotions such as 'happiness' or 'comfortable'. With this investigation, we compiled some statistically meaningful facts to confirm that the preferences of the users depend positively on controlling the skin-tone in portrait photography.

• The Korean Journal of Archival Studies
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• no.9
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• pp.3-40
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• 2004

In this article, the elements usually included in the official documents issued by the Chosun Governor General office, the process of a certain document being put together and legally authorized, and its path of circulation and preservation are all examined. In order to create an official document of the Governor General office with legal authorization, a draft of a bill had to go through several discussions and a subsequent agreement before it was finally approved. Personnels involved in the discussion stage had the authority to ask for modifications and retouching of the draft, and the modifying process were all recorded in order to make clear who was responsible for a certain change or who objected to what at any given stage of the process. The approved version of an official document was called the 'Completed one(成案), and it was issued after the contents were turned into a fair copy by the office that originated the draft in the first place. With the original finalized version left in custody of that office, the fair copy was handed over to the Document department which was responsible for issuing outgoing documents. After the document was issued and the contained orders were carried out, the originally involved offices began to classify the documents according to their own standards and measures for safekeeping, but it was the Document department that was mainly responsible for document preservation. The Document department classified the documents according to related offices, nature of the documents(편찬류별), and most suitable preservation methods(보존종별). The documents were made into books, and documents to be permanently destroyed were handed over to the Account office where they would be demolished. The manners of document processing of the Chosun Governor General office was in fact a modified version of the manners of the Japanese government. Modifications were made so that the process would be more suitable to the situations and environment of the Chosun society. The office's managing process was inherited by the Chosun government after the Liberation, and cast a significant impact upon the document managing manners of the Korean authorities. The official document administration of the Chosun Governor General office marked both the beginning of the colony document administration, and also the beginning of a modernized document managing system.