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Development of Automatic System for 3D Visualization of Biological Objects

  • Choi, Tae Hyun;Hwnag, Heon;Kim, Chul Su
    • Agricultural and Biosystems Engineering
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    • v.1 no.2
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    • pp.95-99
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    • 2000
  • Nondestructive methods such as ultrasonic and magnetic resonance imaging systems have many advantages but still much expensive. And they do not give exact color information and may miss some details. If it is allowed to destruct some biological objects to get interior and exterior informations, constructing 3D image form a series of slices sectional images gives more useful information with relatively low cost. In this paper, a PC based automatic 3D model generator was developed. The system was composed of three modules. The first module was the object handling and image acquisition module, which fed and sliced the object sequentially and maintains the paraffine cool to be in solid state and captures the sectional image consecutively. The second one was the system control and interface module, which controls actuators for feeding, slicing, and image capturing. And the last was the image processing and visualization module, which processed a series of acquired sectional images and generated 3D volumetric model. Handling module was composed of the gripper, which grasped and fed the object and the cutting device, which cuts the object by moving cutting edge forward and backward. sliced sectional images were acquired and saved in a form of bitmap file. 2D sectional image files were segmented from the background paraffine and utilized to generate the 3D model. Once 3-D model was constructed on the computer, user could manipulated it with various transformation methods such as translation, rotation, scaling including arbitrary sectional view.

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Comparison of Based on Histogram Equalization Techniques by Using Normalization in Thoracic Computed Tomography (흉부 컴퓨터 단층 촬영에서 정규화를 사용한 다양한 히스토그램 평준화 기법을 비교)

  • Lee, Young-Jun;Min, Jung-Whan
    • Journal of radiological science and technology
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    • v.44 no.5
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    • pp.473-480
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    • 2021
  • This study was purpose to method that applies for improving the image quality in CT and X-ray scan, especially in the lung region. Also, we researched the parameters of the image before and after applying for Histogram Equalization (HE) such as mean, median values in the histogram. These techniques are mainly used for all type of medical images such as for Chest X-ray, Low-Dose Computed Tomography (CT). These are also used to intensify tiny anatomies like vessels, lung nodules, airways and pulmonary fissures. The proposed techniques consist of two main steps using the MATLAB software (R2021a). First, the technique should apply for the process of normalization for improving the basic image more correctly. In the next, the technique actively rearranges the intensity of the image contrast. Second, the Contrast Limited Adaptive Histogram Equalization (CLAHE) method was used for enhancing small details, textures and local contrast of the image. As a result, this paper shows the modern and improved techniques of HE and some advantages of the technique on the traditional HE. Therefore, this paper concludes that various techniques related to the HE can be helpful for many processes, especially image pre-processing for Machine Learning (ML), Deep Learning (DL).

DCNN Optimization Using Multi-Resolution Image Fusion

  • Alshehri, Abdullah A.;Lutz, Adam;Ezekiel, Soundararajan;Pearlstein, Larry;Conlen, John
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.14 no.11
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    • pp.4290-4309
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    • 2020
  • In recent years, advancements in machine learning capabilities have allowed it to see widespread adoption for tasks such as object detection, image classification, and anomaly detection. However, despite their promise, a limitation lies in the fact that a network's performance quality is based on the data which it receives. A well-trained network will still have poor performance if the subsequent data supplied to it contains artifacts, out of focus regions, or other visual distortions. Under normal circumstances, images of the same scene captured from differing points of focus, angles, or modalities must be separately analysed by the network, despite possibly containing overlapping information such as in the case of images of the same scene captured from different angles, or irrelevant information such as images captured from infrared sensors which can capture thermal information well but not topographical details. This factor can potentially add significantly to the computational time and resources required to utilize the network without providing any additional benefit. In this study, we plan to explore using image fusion techniques to assemble multiple images of the same scene into a single image that retains the most salient key features of the individual source images while discarding overlapping or irrelevant data that does not provide any benefit to the network. Utilizing this image fusion step before inputting a dataset into the network, the number of images would be significantly reduced with the potential to improve the classification performance accuracy by enhancing images while discarding irrelevant and overlapping regions.

A Study on the Military Look in Contemporary Fashion - Women's fashion collections since 2010 - (현대 여성 패션에 나타난 밀리터리 룩에 관한 연구 - 2010년 이후 컬렉션을 중심으로 -)

  • Kim, Jeong-Mee
    • The Korean Fashion and Textile Research Journal
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    • v.15 no.6
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    • pp.862-873
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    • 2013
  • The purpose of this study is to analyze the formative characteristics and the aesthetic values of the Military style in the 20th century and the images of the Military look shown in recent collections. The results of this study are as follows; 1) The aesthetic values of the Military style includes authority, functionality, resistibility and bisexuality. Authority is represented in suits and coats attaching details such as epaulets, flap pockets, gold buttons and badges. Functionality is represented in pants suits and skirts suits which are comfortable and simple. Resistibility is represented in wrinkled, dirty-old and torn military items. Bisexuality is shown on the military pants suits that a skirt or a mink coat is draped over. 2) The Military look in collections are expressed in classic, romantic, sexual, sporty, avant-garde and ethnic images. Classic images are appeared in suits and coats attaching details such as epaulets, flap pockets, gold buttons and badges. Romantic images are represented in the military items made of pastel-tone lace or splendid colored silk. Sexual images are appeared in designs to expose or to focus in women's body. Sporty images are represented in the military items made of new materials such as cotton-fleece, cotton-jersey and tencel. They have camouflage prints, melange-gray and fluorescent colors. Avant-garde images are appeared in the deformed suits and outer made of special materials with camouflage prints, khaki, gray and black. Ethnic images are represented in wearing military and ethnic items at the same time or military items made of ethnic colors, prints and handmade details.

A Study on High School Girls' Uniform Designs in Korea (여고생(女高生) 교복(校服) 디자인 연구(硏究))

  • Yoon, Hyun-Jung;Cho, Kyu-Hwa
    • Journal of Fashion Business
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    • v.6 no.5
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    • pp.27-40
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    • 2002
  • The purpose of this thesis is presenting desirable design of uniform which could reflect high school girls' demands with the researches on their consciousness of fashion and actual state of uniforms. Methods to accomplish this research include first, examinationson characteristics of high school girls and their consciousness of fashion with relevant articles, second, interviews with designers from major domestic uniform brands - ELITE, IVY, SMART - and third, analysis on related internet sites. Practical researches are followed by design analysis and proposal of improvement on high school girls' uniform, accompanied by collection of photographs from field studies, major uniform brands' shops and uniform related internet sites. Korean high school girls in the digital era are able to express themselves in each different fashion with own individuality, preference or intention, as they are particularly interested in clothes or their appearances. Their consciousness of fashion became visible in a shape of negative attitude and dissatisfaction with uniforms due to its out-of-date design, lack of features and inconvenience in action. Besides more than half of high school girls already experienced reforming it for better looks. As a result of current analysis on references of uniform designs, various levels of refinement were noticed even in uniform of similar details, design, fabric textile and color due to differences on size & length of jacket collar, dart, cutting line, size of details, decorative line, easiness in fit, length of clothes, and etc. To provide students of more refined and desired designs which reflect their demands, current uniforms are to begin acquiring delicate changes with present vogue and feature such as size of details, silhouette, cutting line, decorative line and etc. In addition newly designed uniforms are to present desirable design with image of refinement and neat as they actively comprehend students' needs within its symbolic, functional, economic and aesthetic characteristics by nature.

A Study on the Sportism in Domestic Fashion (국내 패션에 나타난 스포티즘에 관한 연구)

  • 김미영;한명숙
    • The Research Journal of the Costume Culture
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    • v.11 no.5
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    • pp.778-792
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    • 2003
  • This study is to review, in the social and cultural context, the main causes for the sportism that prevails in modern fashion, and to analyze the typical expressions in the domestic fashion. Many factors attribute to the advent of sportism such as rapid development and cultural changes toward sports, increase in leisure time and abundant opportunities, new fashion materials resulting from new technologies, emerging youth culture and increasing preference for such culture, and the postmodernism. With this background, sportism, which has been appearing in the domestic fashion, falls into 5 categories as follows based on the type of its expression. “Urban Street Sportism” is affected by the new sports culture of urban young people, which is characterized such that body line is disregarded with over-sized garment in layered style without considering T.P.O. concept. “Romantic Sportism” applies colors, fabrics and details of romantic images to sporty items, or culminates the feminine and elegant sportism by using the sporty fabrics and details along with romantic items. “Vintage Sportism” is characterized by its well-refined, high quality expression of naturally worn for long time, which is affected by the postmodernism. “Urban Utility Sportism,” which is developed with such design factors as fabrics, styles, details and colors with emphasis on their utility and functionality, explicitly accommodates the changed modern life styles particularly in urban areas. Lastly, the military image, which was developed during the Iraq War along with simultaneous anti-war activities, and the peace messages, which deliver the mankind's hope for the world peace and social wellness, formulate the “Military Sportism”.

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Data Department Linear Combination of Weighted Order Statistics(DD-LWOS) Filtering Based on Local Statistics (국부 통계를 기반으로 한 가중차수 통계의 데이터 의존 선형조합 필터링(DD-LWOS))

  • 박동희;배철수
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.6 no.4
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    • pp.639-644
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    • 2002
  • Nonlinear filters which are utilized rank-order information and temporal-order information, have many proposed, in order to restore nonstationary signals which are corrupted by additive noise. In this paper, we propose a data-dependent LWOS filter whose coefficients change based on local statistics. LWOS(Linear Combination of Weighted Order Statistics) filters[1]which also utilized two informations, and have properties of efficient impulsive and nonimpulsive noise attenuation and sufficiently details and edges preservation. DD-LWOS filters can remove non-impulsive oises while preserving signal details. DD-LWOS2 filter gets more better performance than DD-LWOS filter when input image corrupted by additive noise which includes Impulsive noise components.

LED Deformity Detection Using LabVIEW Builder (랩뷰 비전 빌더를 이용한 LED 결함 검출 시스템)

  • Xi, Wang;Yoo, Sung-Goo;Chong, Kil-To;Vista IV, Felipe P.
    • Journal of the Institute of Electronics Engineers of Korea SC
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    • v.46 no.5
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    • pp.15-21
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    • 2009
  • Deformity detection in a Light Emitting Diode (LED) is an important aspect for improving its quality. These LED deformities can be checked through several methods. This paper details the automatic deformity detection inspection system of a LED using the LabVIEW Builder 3.6 software. This software has a graphical user interface which makes it easy to observe and modify the behavior of its element. The LabVIEWs essential elements are also presented and explained aside from its image acquisition system. Details on how to build an inspection system and how to implement vision inspection algorithm which mainly consists of edge detection, geometry point location, and distance measurement are included in this paper.

Semi-Supervised Spatial Attention Method for Facial Attribute Editing

  • Yang, Hyeon Seok;Han, Jeong Hoon;Moon, Young Shik
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.10
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    • pp.3685-3707
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    • 2021
  • In recent years, facial attribute editing has been successfully used to effectively change face images of various attributes based on generative adversarial networks and encoder-decoder models. However, existing models have a limitation in that they may change an unintended part in the process of changing an attribute or may generate an unnatural result. In this paper, we propose a model that improves the learning of the attention mask by adding a spatial attention mechanism based on the unified selective transfer network (referred to as STGAN) using semi-supervised learning. The proposed model can edit multiple attributes while preserving details independent of the attributes being edited. This study makes two main contributions to the literature. First, we propose an encoder-decoder model structure that learns and edits multiple facial attributes and suppresses distortion using an attention mask. Second, we define guide masks and propose a method and an objective function that use the guide masks for multiple facial attribute editing through semi-supervised learning. Through qualitative and quantitative evaluations of the experimental results, the proposed method was proven to yield improved results that preserve the image details by suppressing unintended changes than existing methods.

Characteristics of decentralized suit design in contemporary fashion (현대 패션에 나타난 탈중심 슈트 디자인 특성)

  • Hyemin Kim;Younhee Lee
    • The Research Journal of the Costume Culture
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    • v.32 no.5
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    • pp.653-671
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    • 2024
  • This study explores the contemporary reinterpretation of traditional suit design through the lens of post-structuralist philosopher Jacques Derrida's concept of decentralization. The objective is to systematically analyze the diverse expression methods of decentralized suits in contemporary fashion and identify their design characteristics, thus exploring various design possibilities for decentraliz suits. To achieve this, the study examines the deconstructivist fashion collections of notable designers such as Martin Margiela, Rei Kawakubo of Comme des Garçons, Alexander McQueen, and Thom Browne, analyzing 269 decentralized suits from their men's collections from 2009 to the present. The methods of decentralization are categorized based on the structure (composition), details, and materials of the garments, are classified into deconstruction, discontinuity, and disorder. Specific expression methods include irregular wearing, layering, asymmetry, and distortion for deconstruction; omission, heterogeneous insertion, material transition, and separation for discontinuity; and tearing, graffiti, and unfinished elements for disorder. The identified design characteristics are as follows: gender-neutral and category-free, which dismantles the rigid formality and masculine image of suits to allow flexible and diverse gender expressions; integration of unconventional elements, which combines traditional suit design with non-traditional details like ruffles, strings, unfinished edges, and graffiti to create new designs; and sustainable design, which utilizes the deconstruction and recombination of existing suits to recycle discarded suits, making it suitable for upcycling.