• The Research Journal of the Costume Culture
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• v.31 no.2
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• pp.173-192
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• 2023

This study conducted in-depth interviews with experts to implement Hanbok shows on metaverse, which can contribute to the succession and development of Hanbok design and to establish a platform that fits the reality of the Hanbok industry and consumers. In-depth interviews were conducted to collect opinions from experts, and the derived contents were divided and analyzed using an affinity diagram. Experts were positive about the use of the metaverse platform of the Hanbok show in terms of impact, accessibility, exposure, virtual fitting, issuance of NFTs, and promotion of Hanbok brands. As a result of verifying the validity of the four components of metaverse, experts highly evaluated the possibility of using Hanbok shows in the order of virtual reality, augmented reality, mirror world, and lifelogging. Visuality, influence, marketing efficiency in virtual reality, immersion in augmented reality, fantasy and artistic elements, expression, diversity, and abundant experiences were expected. The platform's requirements emphasized realistic implementation equipment and technology, collaboration between Hanbok designers and producers, in addition to government support. Results of this study showed that appropriate target was analyzed to be in the 10-30s, and the appropriate price range was found to be able to sell at a discount of 40-80% compared to offline. This study provides useful implications for the service development of metaverse content, which will also be actively used in the Hanbok field, and can be used as basic data for reviving the Korean Hanbok industry and strengthening international competitiveness.

• Annual Conference of KIPS
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• 2016.04a
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• pp.749-750
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• 2016

본 논문에서는 키넥트를 이용한 가상 착의 시스템을 제안하고 설계한다. 본 시스템에서는 키넥트에 연결된 카메라로 사용자 영상을 촬영하고 촬영된 영상과 상반식 좌표를 시스템에 전송한다. 시스템은 수신된 영상으로부터, 상반신을 찾아내고 이를 가상의류 이미지와 합성시켜 사용자에게 보여준다. 사용자는 여러 가상 의류이미지를 실시간으로 변경해가며, 자신에게 가장 잘 어울리는 의류를 선택할 수 있다. 본 시스템의 장점은 사용자가 온라인 쇼핑시, 직접 매장을 방문하지 않고 가상으로 옷을 입어봄으로써, 자신에게 어울리는 옷을 편리하게 고를 수 있다는 점이다.

• Annual Conference of KIPS
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• 2018.10a
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• pp.786-789
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• 2018

우리는 가상 현실 환경에서 사람이 직접 옷을 입지 않은 상황에서 미리 피팅 상황을 확인할 수 있는 시스템을 구현하였다. 이를 위하여 우리는 시스템을 이용한 카메라 촬영과 결과를 출력하는 기능, 그리고 영상처리에서 사람 얼굴 인지, 및 그에 대한 내용을 기반으로 옷을 오버레이하는 기능을 구현하였다. 추가 기능으로는 사람 손동작 인지를 통한 커맨드 제어, 딥러닝을 이용하여 사람의 얼굴에 어울리는 옷을 추천해주는 추천 서비스를 구현하였다.

• Annual Conference of KIPS
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• 2019.10a
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• pp.976-979
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• 2019

사회가 발전함에 따라 사람들의 의류 소비 패턴 매장 매출보다 모바일 쇼핑몰 매출이 늘고 있다. 스마트 뱅킹, 쇼핑몰 애플리케이션 등 모바일 서비스가 일상생활로 스며들면서 모바일로 의류를 구매하는 것은 쉬워졌다. 하지만, 온라인이라는 특성상 옷을 택배로 받고, 입어야 옷이 어울리는 지 아닌 지를 판단할 수 있다는 고질적인 문제점이 있다. 이러한 문제점은 반품 또는 교환으로 이루어지고 이는 쇼핑몰과 소비자 모두에게 굉장히 낭비되는 비용이다. 본 논문에서는 사람의 사진에 옷을 입힌 사진을 제공함으로써, 사람이 옷을 실제로 입지 않더라도 그 때의 fit 을 제공하고자 한다. 이때, 단순한 합성이 아니라, 딥러닝 중 GAN(Generative Adversarial Network)를 사용해 기존 기술의 문제점을 해결하고자 한다.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• fall
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• pp.212-214
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• 2021

In a society with Covid-19 as part of our daily lives, we had to adapt ourselves to a new reality to maintain our lifestyles as normal as possible. An example of this is teleworking and online classes. However, several issues appeared on the go as we started the new way of living. One of them is the doubt of knowing if real people are in front of the camera or if someone is paying attention during a lecture. Therefore, we encountered this issue by creating a 3D reconstruction tool to identify human faces and expressions actively. We use a web camera, a lightweight 3D face model, and use the 2D facial landmark to fit expression coefficients to drive the 3D model. With this Model, it is possible to represent our faces with an Avatar and fully control its bones with rotation and translation parameters. Therefore, in order to reconstruct facial expressions during online meetings, we proposed the above methods as our solution to solve the main issue.

• Annual Conference of KIPS
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• 2020.11a
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• pp.296-299
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• 2020

요즘 대한민국은 코로나 19로 인하여 외출이 힘든 상황에 놓여있다. 이에 따라 소비자들은 오프라인 매장에서 의류를 구매하기보다는 인터넷 쇼핑으로의 구매를 선호하게 되었으며 온라인 구매로 인해 정확한 스타일 확인 불가 및 확신할 수 없는 사이즈로 큰 불편함을 겪고 있다. 따라서 최근 가장 떠오르는 기술 중 하나인 AR을 실생활에 적용하여, 사용자가 의류 매장에 가지 않고 집에서도 편하게 자신의 스타일링을 실현할 수 있도록 하는 AR 쇼룸을 구현하여 솔루션을 제안하고자 한다. 본 프로젝트에서는 3D로의 표현을 위해 Kinect Xbox 카메라를 사용하여 사용자의 신체정보를 추출한 후 unity와의 연동을 통해 사용자에게 편리함을 제공할 수 있는 AR-fitting 시스템을 설계하였다. 또한, 우리는 선택한 옷을 가상으로 입어 볼 수 있는 쇼룸 형태의 서비스를 제공하며 제스처 인식을 통해 보다 편리한 의류 선택 및 사이즈 조절 등을 가능하게 하였고, 이러한 시스템은 사용자의 의류 구매를 보다 효과적으로 만들어 줄 수 있을 것이다.

• Journal of the Korean Society of Clothing and Textiles
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• v.43 no.3
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• pp.440-458
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• 2019

Based on a 3D body data and pattern comparison analysis, this study developed a formal jacket pattern for men in their late 30s. In order to select the representative type of men in their late 30s, factor analysis and cluster analysis were conducted on data form 319 men, 35 to 39 years old using the anthropometric data from The 7th Size Korea (2015) as the representative body type. The surface of the body surface was developed using a 3D human shape of a male in his 30s in The 6th Size Korea (2010). Then the shape was changed to a flat pattern that confirmed the necessary elements for setting the shape and dimension. Cluster analysis revealed type B as the representative type because it showed the best shape characteristics for men in the late 30s. The drafting method of the final research pattern is as follows. Jacket length: stature/2.5cm, back length: stature/5+8.5cm (constant)], armhole depth: [stature/ 7-1.5cm (constant)], back width: [C/9+9.5cm (constant)]+1cm (ease), front width: [C/9+8.5cm (constant)]+1cm (ease), armscye depth: C/8, front waist darts: 1cm, front closure amount: 2cm.

• Archives of design research
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• v.19 no.2 s.64
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• pp.43-52
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• 2006

The most important issue the online shopping mall for clothes is facing in the rapid growth of the online shopping mali is the high rate of the return of the goods alter purchase. The high rate of the return leads to the dissatisfaction md lack of trust from the consumers in the online shopping mall for clothes, which in turn leads to the bleak prospect for the online shopping mall for clothes as a result of the consumers' dissatisfaction. Although a type of online shopping mall using the cyber-fitting technology has emerged recently, it has succeeded only in provoking a visual interest, for it is also not satisfying the demand of the consumers by falling short in providing information. Thus, this research seeks for the resolutions of the problems related to the user-oriented online shopping. First of the resolutions is the development of a new prototype which the consumers can easily access; second is the visualization of the information using the 3D virtual-reality of he prototype through interface, which will help the consumers to make more accurate judgments. In other words, this study seeks to provide a type of prototype of an online shopping mall that meets the demand of the consumers using the 3D avatars, unlike the unilateral and conventional malls out there.

• The Korean Journal of Community Living Science
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• v.28 no.1
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• pp.69-79
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• 2017

The purpose of this study was to compare fitting of the upper garment by brassiere cup size and types of bodice block. This study conducted a 3D virtual garment system by applying three types of bodice block (I, II, III) and experimental pattern of the bodice block to 3D avatars of four individuals with the following measurements: under bust circumference of 73.5 cm and bust circumferences of 83.5 cm, 86.0 cm, 88.5 cm, and 91.0cm. The results of the study were as follows. First, for 83.5 cm bust circumference (A Cup), appearance of the three types of bodice block (I, II, III) was appropriate. However, as bust circumference increased in size, shape became inappropriate. The depth and width of the armhole, within 15 cm and 11 cm, respectively, were found to be appropriate. In case of 91.0 cm bust circumference (D Cup), all three bodices (I, II, III) were inappropriate. Second, the results of the draft of the experimental patterns of the bodice block of bust circumference measuring 83.5 cm, 86.0 cm, 88.5 cm, and 91.0 cm in the 3D avatars of the four individuals revealed similarities in the frontal view of the silhouette in the four avatars; in the case of the lateral view of the silhouette, lateral width grew wider as bust circumference of the silhouette became larger, but the shape of armhole showed no changes. The depth of the armhole showed little changes from 15.1 cm to 15.22 cm, and the height of sleeve (armscye depth 13.6 cm within +2 cm) remained similar. The difference in width of the armhole from 11.26 cm to 11.37 cm was rather small. The width of the upper sleeve (8.97 cm) seemed to be appropriate as it remained within the 2-3 cm boundary.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.60 no.5
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• pp.1055-1061
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• 2011

In this study, main parameters: aperture, first bend and second bend which express a structure of ear canal are extracted in order to modeling and manufacture the ready-made ear shells of hearing aids. The proposed parameter extraction method consists of 2 important algorithms, aperture detection and feature detection. In the aperture detection algorithm, aperture of 3-D scanned virtual ear impression and parameters relating to ear shell of hearing aid are determined. The feature detection algorithm detects first bend, second bend, and related parameters. Through these two algorithms, parameters for aperture, first bend, and second bend are extracted to model the ready-made ear shell of hearing aid. The values of these extracted parameters from 36 people's right ear impression are analyzed and measured statistically. As a result of the analysis, it has been found that it is possible to classify ready-made ear shell parameters by age and size. The ready-made ear shell parameters are classified 3-size for 20 years old and 2-size for 60 years olde. Using 3D rhino program, virtual ready-made ear shell is reconstructed by parameters of every type, and simulated to model it. A final product was produced by transferring simulation result with rapid prototyping system. The modeled ready-made ear shell is evaluated with the objective and subjective method. Objective method is the comparison volume ratio and overlapped volume ratio of ear impression from randomly chosen 18 people and ready-made ear shell. And subjective method is that the final product of ready-made ear shell is used by users and the satisfaction number drawn from well fitting and comfortable testing was evaluated. In the result of the evaluation, it has been found that volume ration is 70%, big and middle size ready-made ear shell products are possible, and the satisfaction number is high.