• Title/Summary/Keyword: Image description

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Enhanced Boundary Partition Color Descriptor for Deformable Object Retrieval (비정형객체 검색을 위한 향상된 분할영역 색 기술자)

  • Jung, Hyun-il;Kim, Hae-kwang
    • Journal of Broadcast Engineering
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    • v.20 no.5
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    • pp.778-781
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    • 2015
  • The paper presents a new way of visual descriptor for deformable object retrieval on the basis of partition based description. The proposed descriptor technology partitions a given object into boundary area and interior area and extracts a descriptor from each area. The final descriptor combines these descriptors. From a given image, deformable object is segmented. The center position of the deformable object is calculated. The object is partitioned into N × N blocks on the basis of the given center position. Blocks are classified as boundary area and interior area depending on the pixels in the block. The proposed descriptor consists of extracted MPEG-7 dominant descriptors from both the boundary and interior area. The performance of proposed method is tested on a database of 1,973 handbag images constructed with view point changes. ARR (Average Retrieval Rate) is used for the retrieval accuracy of the proposed algorithm, compared with MPEG-7 dominant color descriptor.

Slide-show of Panoramic Image through a Secondary Device by using MPEG-4 LASeR PMSI (MPEG-4 LASeR PMSI를 활용한 Secondary Device 기반 파노라믹 영상 슬라이드 쇼 재생 기술)

  • Park, Yongchul;Kim, Kyuheon
    • Journal of Broadcast Engineering
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    • v.17 no.6
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    • pp.1014-1028
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    • 2012
  • Recently, N-screen service and secondary device have gotten an attention from public. Also, we can experience N-screen service through various digital devices. N-screen means multimedia technology which can seamlessly consume multimedia content. Secondary device means auxiliary multimedia device which can consume content related to main content through adjunct connection to main device. Not only be electronic manufactures interested in N-screen technology and services but also digital devices applied for N-screen have been released. But it has limitation that user can only consume content to be purchased from content company server not device of user. This paper proposes the system that composes effective and various N-screen multimedia service through MPEG-4 LASeR (Lightweight Application Scene Representation) PMSI (Presentation and Modification of Structured Information) as international standard technology which can provide scene description including many instruction for dynamic update of scene.

A Study on Textile Fashion Design Using the Formativeness of the Works of Gustav Klimt (구스타브 클림트[Gustav Klimt] 작품의 조형성을 활용한 텍스타일 의상 디자인 연구)

  • Lee, In-Young;Kim, Soo-Kyong
    • Journal of the Korean Society of Costume
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    • v.56 no.9 s.109
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    • pp.83-97
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    • 2006
  • This Study is a thesis presenting handicrafty and decorative textile design as well as sensual fashion design through the works of Gustav Klimt. The result is as below; The formative qualities in the works of Klimt could be featured as decorativeness, sensuality and symbolism. First, the decorative inclination is prominent in the portrait and the effect is maximized with the golden mosaic shape expressed on the dress and the background influenced by the Byzantine. Second, the sensuality could be recognized directly from the women's pose or facial expression in the works of Klimt, otherwise appeared on the refined expression showed on the portraits of noble lady Third, to surpass the reality, Klimt preferred the symbolic expression, which can be shown on the patterns in the works addressing the themes such as the legends and myths, or figures of men and women expressed with the image of an abstract features of membrum. The development of the textile design is as fellowed. First, it analyzes and reconstitutes the formativeness and the element of design in the works of Klimt by the flow of the form factor. Second. it makes a pattern of a single nature through perception, analysis, description and drawing and expresses with realization of the characteristics of Klimt. Focusing on the handicrafts and decorativeness out of the latest trends and making the most use of the sensuality, the designed textiles were completed by the handicrafty techniques, used in the fashion design and completed as the design of sensual images. The textile development aims at minimizing the limit of design that can be caused by the absence of silhouette and detail, expanding the range of its creativity of fashion designs and creating fashion design high value-added.

Effective Marker Placement Method By De Bruijn Sequence for Corresponding Points Matching (드 브루인 수열을 이용한 효과적인 위치 인식 마커 구성)

  • Park, Gyeong-Mi;Kim, Sung-Hwan;Cho, Hwan-Gue
    • The Journal of the Korea Contents Association
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    • v.12 no.6
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    • pp.9-20
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    • 2012
  • In computer vision, it is very important to obtain reliable corresponding feature points. However, we know it is not easy to find the corresponding feature points exactly considering by scaling, lighting, viewpoints, etc. Lots of SIFT methods applies the invariant to image scale and rotation and change in illumination, which is due to the feature vector extracted from corners or edges of object. However, SIFT could not find feature points, if edges do not exist in the area when we extract feature points along edges. In this paper, we present a new placement method of marker to improve the performance of SIFT feature detection and matching between different view of an object or scene. The shape of the markers used in the proposed method is formed in a semicircle to detect dominant direction vector by SIFT algorithm depending on direction placement of marker. We applied De Bruijn sequence for the markers direction placement to improve the matching performance. The experimental results show that the proposed method is more accurate and effective comparing to the current method.

Elementary Students' Perceived Images of Engineers

  • Park, Kyungsuk;Lee, Hyonyong
    • Journal of the Korean earth science society
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    • v.35 no.5
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    • pp.375-384
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    • 2014
  • The number of students choosing science, technology, engineering, and mathematics (STEM) related careers are declining. Thus it became a worldwide challenge in the $21^{st}$ century. As public images of the engineers are unfavorable and inaccurate, misconceptions and stereotypes about engineers are prevailing. The purpose of this study was to investigate elementary school students' perceived mental and pictorial images of engineers and the nature of engineering work. This study involved 512 fifth and sixth grade students (Boys: 287 and Girls: 225) from four elementary schools at one of metropolitans in South Korea. The Draw An Engineer-Korean version (DAE-K) was developed based on Draw an Engineer (DAE) and Draw a Scientist (DAS), and Song and Kim (1999)'s instruments. A pilot-tested was conducted with 33 elementary students prior to the main study. The students were asked to answer how they think the engineers would be, to draw an engineer at work, and to write the engineer's personal information and the job description. Engineers were perceived as a person fixing, building, manufacturing, working outdoors in labors' clothes such as a robe. Engineers were shown with building tools, robots, airplanes, machines, conveyor belt, etc. Moreover, compared to the scientists, engineers were perceived as less intelligent, less imaginative, and less accurate. The results of this study revealed that elementary school students had a lack of accurate images of engineers. Students' current perceived images of engineers could help educators find the baselines for the future engineering education in elementary schools. In addition, the findings of this study could also contribute to the development of engineering education in terms of gender issues, STEM career choice, and even cultural diversity.

Standardizing Digitization for Preservation and Access to Rare Library Materials (도서관 희귀 자료의 보존과 접근을 위한 디지털화의 표준화)

  • Knoll, Adolf
    • Journal of Korean Society of Archives and Records Management
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    • v.5 no.2
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    • pp.167-182
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    • 2005
  • The beginning of digitization activities in the National Library of the Czech Republic are interconnected with the first periods of existence of the UNESCO Memory of the World programme. It was in 1992 when the library accepted the UNESCO proposal to prepare a pilot CD ROM publication for the programme showing the most precious items from its collections. In 1993 - 1995, the publication was followed by two another titles, which presented two medieval manuscripts in their entirety, providing both all the image documentation and scientific description of various features of the original documents. The digitization centre specialized in processing of old manuscripts and old printed books in co operation with the Czech AIP Beroun Company. Nowadays, these two national programmes in which dozens of Czech and also several foreign institutions take part - are represented on their access side by two digital libraries: Manuscriptorium and Kramerius.

Signaling Method for Spatial Adjacency Matrix of UWV media in MPEG Media Transport Environment (MPEG Media Transport 환경 내 UWV 미디어 공간 인접 행렬 시그널링 방안)

  • Kim, Junsik;Kang, Dongjin;Lee, Euisang;Kim, Kyuheon
    • Journal of Broadcast Engineering
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    • v.23 no.2
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    • pp.261-273
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    • 2018
  • As progress on image processing, computer vision and display technologies aroused market's interests on generation and consumption of various types of media, interests on UWV media are also increasing. In context of consumption of UWV media, to effectively manage load of servers and resources of end terminal devices and provide user-derived services, technology which enables users to select and consume interested regions of media seems to be needed. Here, this paper proposes a method for description and transmission of spatial relationships among media, which composes UWV, by expanding MPEG-CI and Layout signaling to enable users' selective consumption of UWV media.

A Study on the Design and the Implementation of an Authoring Tool for XML Structurization of Graphical Information (그래픽 정보의 XML구조화를 위한 저작도구의 구현)

  • 김규태;정회경;이수연
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.6 no.1
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    • pp.62-69
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    • 2002
  • As Graphic Information is a intuitive, simple and definite media to transfer information to human, It is widely used and deserved as a information exchange and store media. But the graphic information is so abstract that a human may misunderstand that's real meaning. So In order to transfer a Exact information to a human, a additional picture and description is needed. So, in this paper, A authoring system is suggested that it can be able to give a additional information at each region in graphic information, and to structurize relations between each region and to give linking information between each region using XML Linking Notation. In this paper, An suggested authoring system is implemented to support a authoring facility which is to display graphical information of CGM(Computer Graphic Metafile) and BMP, and to define structural information by selecting each region of graphics image on screen directly, and to save that structural information and linking information with XML Linking notation, and to support a browsing facility which to find hot spot using a structurized graphic information and then to show a proper graph.

FPGA Design of LCD Drive Circuit using USB Interface (USB 인터페이스를 이용한 LCD 구동회로의 FPGA 설계)

  • Lee, Seung-Ho;Lee, Ju-Hyeon
    • The KIPS Transactions:PartA
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    • v.9A no.1
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    • pp.53-60
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    • 2002
  • This paper describes a Gray Mode Graphic STN LCD drive circuit using USB interface. The drive circuit using USB interface can highly transfer image data created under PC t LCD. Hence, the LCD drive circuit doesn't use microprocessor for the convenience of users. The proposed LCD drive circuit part have been verified by simulation and by ALTERA EPF10K10TC144-3 FPGA implementation in VHDL. The USB interface part have been programmed in MS-Visual C++ 6.0. The validity and efficiency of the proposed LCD drive circuit have been verified by test board. After comparing this LCD drive circuit to specify it was verified that the developed LCD drive circuit showed good performances, such as convenience of users, low cost.

Predictor and Prognosis of Procedural Rupture during Coil Embolization for Unruptured Intracranial Aneurysm

  • Lee, Kyung Min;Jo, Kyung Il;Jeon, Pyoung;Kim, Keon Ha;Kim, Jong-Soo;Hong, Seung-Chyul
    • Journal of Korean Neurosurgical Society
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    • v.59 no.1
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    • pp.6-10
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    • 2016
  • Objective : The objectives of this study was to determine the incidence and outcomes of procedural rupture (PR) during coil embolization of unruptured intracranial aneurysm (UIA) and to explore potential risk factors. Methods : This retrospective study evaluated 1038 patients treated with coil embolization between January 2001 and May 2013 in a single tertiary medical institute. PR was defined as evidence of rupture during coil embolization or post procedural imaging. The patient's medical records were reviewed including procedure description, image findings and clinical outcomes. Results : Twelve of 1038 (1.1%) patients showed PR. Points and time of rupture were parent artery rupture during stent delivery (n=2), aneurysm rupture during filling stage (n=9) and unknown (n=1). Two parent artery rupture and one aneurysm neck rupture showed poor clinical outcomes [modified Rankin Scale (mRs) >2] Nine aneurysm dome rupture cases showed favorable outcomes ($mRS{\leq}2$). Location (anterior cerebral artery) of aneurysm was associated with high procedural rupture rate (p<0.05). Conclusion : The clinical course of a patientwith procedural aneurysm rupture during filling stage seemed benign. Parent artery and aneurysm neck rupture seemed relatively urgent, serious and life threatening. Although the permanent morbidity rate was low, clinicians should pay attention to prevent PR, especially when confronting the anterior cerebral artery aneurysm.