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시모그래피의 조형성을 응용한 현대 패션 디자인의 표현유형과 미적 특성 연구
권기영 ( Giyoung Kwon ) 복식문화학회 2021 服飾文化硏究 Vol.29 No.3
The purpose of this study is to contribute to the role of lines in creative design development by analyzing the expression types and aesthetic characteristics of modern fashion using geometric formativeness of symmography. A literature study was conducted of works since 2009 to examine the general consideration of lines together with analysis of the concept and characteristics of symmography in the formative arts field, and to analyze the expression types and aesthetic characteristics of modern fashion design using the formativeness of symmography. The infinite sense of formativeness and original expression of symmography are used in formative arts such as space design, installation art, and industrial design. Expression types of modern fashion design using geometric formativeness of symmography can be classified into the following three types: two-dimensional graphic pattern, relief surface, and threedimensional spatial. First, the two-dimensional graphic pattern type forms an optical pattern, providing individuality and visual interest to the textile design. Second, the relief surface type expresses the plane in various ways, so that the thickness changes according to how lines overlap. Third, the three-dimensional spatial type expands the boundaries of clothing and creates a fantastic spatial beauty. Next, the aesthetic formativeness of fashion design using symmography can be classified into repetitive rhythmicity, geometric self-similarity, and optical spatiality. Symmography enables a myriad of geometric patterns to be developed depending on material, color, and the designer’s imagination, and helps inspire a variety of designs in fashion that sculpt a three-dimensional human body.
Giyoung Kim,Mark Morgan,Daniel Ess,Byoung-Kwon Hahm,Aparna Kothapalli,Arun Bhunia 한국식품과학회 2007 Food Science and Biotechnology Vol.16 No.3
Conventional methods for pathogen detection and identification are labor-intensive and take days to complete. Biosensors have shown great potential for the rapid detection of foodborne pathogens. Fiber-optic biosensors have been used to rapidly detect pathogens because they can be very sensitive and are simple to operate. However, many fiber-optic biosensors rely on manual sensor handling and the sandwich assay, which require more effort and are less sensitive. To increase the simplicity of operation and detection sensitivity, a binding inhibition assay method for detecting Listeria monocytogenes in food samples was developed using an automated, fiber-optic-based immunosensor; RAPTOR (Research International, Monroe, WA, USA). For the assay, fiber-optic biosensorswere developed by the immobilization of Listeria antibodies on polystyrene fiber waveguides through a biotin-avidin reaction. Developed fiber-optic biosensors were incorporated into the RAPTOR to evaluate the detection of L. monocytogenes in frankfurter samples. The binding inhibition method combined with RAPTOR was sensitive enough to detect L. monocytogenes (5.4ⅹ10? CFU/mL) in a frankfurter sample.
Rapid Detection of Salmonella enteritidis in Pork Samples with Impedimetric Biosensor
Giyoung Kim,Ji Hea Moon,Bung-Kwon Hahm,Mark Morgan,Arun Bhunia,Ae Son Om 한국식품과학회 2009 Food Science and Biotechnology Vol.18 No.1
Frequent outbreaks of foodborne illness have been increasing the awareness of food safety. Conventional methods for pathogen detection and identification are labor-intensive and take days to complete. Some immunological, rapid assays are developed, but these assays still require prolonged enrichment steps. Recently developed biosensors have shown potential for the rapid detection of foodborne pathogens. In this study, an impedimetric biosensor was developed for rapid detection of Salmonella entritidis in food sample. To develop the biosensor, an interdigitated microelectrode (IME) was fabricated by using a semiconductor fabrication process. Anti-Salmonella antibodies were immobilized based on neutravidin-biotin binding on the surface of the IME to form an active sensing layer. To evaluate the effect of electrode gap on sensitivity of the sensor, 3 types of sensors with different electrode gap sizes (2, 5, and 10 ㎛) were fabricated and tested. The impedimetric biosensor could detect 10³ CFU/㎖ of Salmonella in pork meat extract with an incubation time of 5 min. This method may provide a simple, rapid, and sensitive method to detect foodborne pathogens.
CR X-선 영상기법을 이용한 DPF 파손여부에 대한 비파괴 측정 타당성 연구
권만재(Manjae Kwon),박기영(Giyoung Park),김성준(Sungjoon Kim),한태호(Taeho Han),김정민(Jungmin Kim),이성욱(Seangwock Lee) 한국자동차공학회 2019 한국 자동차공학회논문집 Vol.27 No.9
Diesel vehicles are equipped with after-treatment devices, such as DPF. Meanwhile, DPF is damaged by a combination of regenerative processes and unclear factors. If the DPF substrate is damaged, the filtration performance will deteriorate, thereby resulting in excessive levels of fine dust being emitted while driving. In this study, CR X-ray techniques were used in order to determine whether a DPF was damaged without prior removal. In order to verify the technological feasibility, an X-ray imaging of the DPF removed from the driving vehicle was conducted by using an X-ray generator, as well as an IP reader and a CR reader. Optimal irradiation conditions were established for each DPF size. Verification of images acquired under optimal irradiation conditions confirmed the possibility of diagnosis for damages, such as crack, melting, and hollow damage.
소도체 품질 판정을 위한 RGB 영상처리 기술의 적용 가능성 연구
권경도 ( Kyung-do Kwon ),모창연 ( Changyeun Mo ),임종국 ( Jongguk Lim ),김기영 ( Giyoung Kim ),강정숙 ( Jungsook Kang ),이영주 ( Youngju Lee ),조병관 ( Byoung-kwan Cho ),이왕희 ( Wanghee Lee ),양승환 ( Seunghwan Yang ) 한국농업기계학회 2017 한국농업기계학회 학술발표논문집 Vol.22 No.2
국내를 포함한 대부분의 국가에서는 인력(판정사)에 의해 소고기의 품질 등급을 결정하고 있다. 각 나라마다 등급 판정 절차는 상이하지만, 판정 인자는 등급판정부위(국내에서는 좌도체 흉추와 제1 요추 사이의 등심 쪽 절단면)의 근내지방도, 육색, 지방색, 조직감 등으로 크게 다르지 않다. 하지만 판정 과정에서 숙련된 판정사일지라도 주관적인 판단이 포함된다. 이를 해결하고 더 객관적인 정보를 획득하기 위해 다양한 장치와 분석 방법들을 기반으로 활발한 연구가 진행되고 있지만, 실제 현장 적용은 힘든 실정이다. 따라서 본 연구는 사람의 시각을 대체하고 객관적인 데이터를 획득하기 위해 Computer vision 장치와 영상처리를 이용한 소고기 품질 평가에 활용될 시스템 구축을 위한 기초 연구이다. 연구에 사용된 소고기는 실제 판정에 사용되는 등급판정부위를 등급별(1++, 1+, 1 2, 3 등급)로 준비하였다. 각 시료마다 RGB 영상을 획득하고, 품질 판정을 위해 이 영상들을 이용하였다. 영상처리를 위해 왜곡 및 색상 보정, 배경 제거, 관심영역 추출, 고기와 지방 부위 분할 등을 순차적으로 수행하였다. 이는 등급 판정에 주요인자인 근내지방도를 정량적으로 측정하는 알고리즘 개발에 기초 단계로의 활용이 적합하다고 판단된다. 추후 연구에서 이를 중점적으로 다뤄 최종 목표인 자동 품질 판정 시스템 구축에 기여하고자 한다.
현대 디지털 패션에 나타난 생태적 이미지의 표현유형과 내적 의미
강준호 ( Junho Kang ),권기영 ( Giyoung Kwon ) 복식문화학회 2021 服飾文化硏究 Vol.29 No.3
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.