• Title, Summary, Keyword: 윈도우 배치

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Window Configurations Comparison Based on Statistical Edge Detection in Images (영상에서 윈도우 배치에 따른 통계적 에지검출 비교)

  • Lim, Dong-Hoon
    • Communications for Statistical Applications and Methods
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    • v.16 no.4
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    • pp.615-625
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    • 2009
  • In this paper we describe Wilcoxon test and T-test that are well-known in two-sample location problem for detecting edges under different window configurations. The choice of window configurations is an important factor in determining the performance and the expense of edge detectors. Our edge detectors are based on testing the mean values of local neighborhoods obtained under the edge model using an edge-height parameter. We compare three window configurations based on statistical tests in terms of qualitative measures with the edge maps and objective, quantitative measures as well as CPU time for detecting edge.

Windows placement system development for efficient use monitor (효율적인 모니터 사용을 위한 화면 배치 시스템 구현 -와이드 모니터 사용자를 위한 화면 구성 시스템 SquareSpace-)

  • Cho, Yun-Jeong;An, Dong-Un
    • 한국HCI학회:학술대회논문집
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    • pp.428-431
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    • 2009
  • Recently, uses of a large, wide screen monitors are general, so people that efficiently use work area of monitor is encreasing. Use pattern of monitor is being changed just using one window to many windows at a time. In this paper, I will explain develop windows placement system for efficient use monitor. It is different from other general utility about windows placement system because users can easily change windows placement to use preview window. The future, a large, wide screen monitors to keep pace with the demand to take advantage of the window to satisfy the needs of the user to manually adjust the window to the inconvenience that will be resolved.

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NOD Caching Strategy using User-Preference Pattern for Time-Window (구간별 사용자 요구 패턴을 이용한 NOD에서의 캐싱 방법)

  • 최태욱;박용운;김영주;정기동
    • Proceedings of the Korea Multimedia Society Conference
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    • pp.71.1-75
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    • 1998
  • NOD 데이터는 VOD 데이터에 비해서 life cycle이 짧다. 그리고 사용자의 접근성이 높으며, 접근패턴도 시간에 따라 달라질 수 있다. VOD 데이터와 같이 NOD 뉴스기사의 경우 특정 기사들에 집중적으로 접근된다. 그리고 이러한 인기 있는 기사들은 시간대에 따라 변할 수 있다. 본 논문에서는 이러한 인기도의 변화를 예측하기 위해서 시계열분석방법중의 하나인 지수평활법(exponenital smoothing method)을 사용한다. 시간대별 타임윈도우로 나누고 이전의 윈도우들의 접근패턴을 분석하여 다음 접근을 예측한다. 그리고 이 예측값을 이용해서 캐시정책을 새운다. 즉 예측값이 높은 기사순으로 캐시에 배치하는 것이다. 실시간 멀티미디어데이터의 경우 데이터의 방대함으로 연산의 오버헤드가 크다. 따라서 정적인 캐싱전략을 사용하는데, 하나의 윈도우동안 재배치하는 한번으로 한다는 것이다. 전통적인 block 단위 캐싱은 멀티미디어데이터에 적합하지 않다. 따라서 기사단위의 캐시구조를 제안한다. 사용자는 기사단위로 요청을 하기 때문에 재사용을 위해서는 기사단위로 캐시되야 한다.

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Ship Stream Data Processing Techniques To Which The SVM (SVM을 적용한 선박 스트림 데이터 처리 기법)

  • Yang, Jin Ho;Poudel, Prasis;Acharya, Shree Krishna;Subedi, Sagun;Jeong, Min-A;Lee, Seong-Ro
    • Proceedings of the Korea Information Processing Society Conference
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    • pp.1202-1204
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    • 2015
  • 디지털 선박에서는 선박 내의 각종 센서로부터 측정된 디지털 데이터에 대한 정확하고 에너지 효율적인 관리가 필요하다. 본 논문에서는 디지털 선박 내에 다수 개의 센서(온도, 습도, 조도, 음성 센서)를 배치하고 효율적인 입력 스트림 처리를 위해서 슬라이딩 윈도우 기반으로 다중 Support Vector Machine(SVM) 알고리즘을 이용하여 사전 분류(pre-clustering)한 후 요약된 정보를 해쉬 테이블로 관리하는 효율적인 처리 기법을 제안한다. 해쉬 테이블을 이용하여 다차원 스트림 데이터의 저장될 레코드 순서를 빠르게 찾아 저장 및 검색함으로서 처리 속도가 향상되고 메모리에 해쉬 테이블 만을 유지하면 되므로 메모리 사용량이 감소한다. 35,912개의 데이터 집함을 사용하여 실험한 결과 제안 기법의 정확도와 처리 성능이 향상되었다.

Program Relocation Schemes for Enhancing Memory Test Coverage on 64-bit Computing Environment (64비트 환경에서 메모리 테스트 영역 확장을 위한 프로그램 재배치 기법)

  • Park Hanju;Park Heekwon;Choi Jongmoo;Lee Joonhee
    • Proceedings of the Korean Information Science Society Conference
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    • pp.841-843
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    • 2005
  • 최근 64비트 CPU의 시장 출시가 활발해지고 있으며, 메모리 모듈 또한 대용화가 이루어지고 있다. 이에 대용량 메모리를 64비트 CPU 플랫폼에서 효과적으로 테스트하는 방법을 개발할 필요성이 대두되고 있다. 본 논문에서는 x86-64 기반 리눅스 2.6.11 커널에서 물리 메모리의 테스트 영역을 확장하는 기법을 제안한다. 제안된 기법에는 응용이나 커널에서 물리 메모리에 대한 직접 접근, 프로그램을 사용자가 원하는 물리 메모리로 배치, 프로그램의 동적 재배치 등의 방법을 통해 테스트 영역을 확장 한다. 현재 64 비트 CPU를 지원하는 OS는 리눅스와 윈도우즈 64비트 에디션 등이 있다. 기존 리눅스 커널을 그대로 사용하였을 때 프로그램 등이 이미 사용 중인 물리 메모리에 대해서는 메모리 테스트를 수행 할 수 없었으나, 각 프로그램들을 물리 메모리에서 재배치하여, 원하는 곳의 메모리를 테스트 할 수 있도록 커널 수정을 통하여 구현하였다.

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The effects of job environments for window bakery employee in Jeju on the management performance (제주지역 원도우 베이커리 종사자의 직무환경이 경영성과에 미치는 영향)

  • Kim, Chul-Gon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.9
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    • pp.35-48
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    • 2019
  • This study examined the effects of the job environment factors for window bakery employees in Jeju on the management performance. The job environment factors, which were human environment, working environment, facility environment, welfare environment, and convenient environment, affected the management performance of window bakery employees in Jeju. Economic performance, customer performance, and employee performance were the major factors influencing the management performance. The working environment (.176) and convenient environment (.227) affected the economic performance. The customer performance depended on the human environment (.147) and working environment (.095). Furthermore, the employee performance was affected by the human environment (.195), working environment (.135), and welfare environment (.129). These results indicated that the management performance of window bakery employees in Jeju was influenced by the job environment, particularly the working environment. Therefore, it is necessary to improve the working environment by providing pleasant humidity, good ventilation, and efficient working flow place to window bakery employees.

Soil Deformation Tracking in Model Chamber by Targetless Close-Range Photogrammetry (무타겟 사진측량 기반 모형 토조 내 지반 변위 측정)

  • Lee, Chang No;Oh, Jae Hong
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.37 no.6
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    • pp.555-562
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    • 2019
  • This paper presents soil deformation measurement in model chamber based on photogrammetry. We created an aluminum framed acrylic model chamber with soil inside and applied photogrammetry to measure soil deformation caused by loading tests. The soil consists of 40% black and 60% regular sand to create image contrast in soil images. In preprocessing, the self camera calibration was carried out for IOPs (Interior Orientation Parameters), followed by the space resection to estimate EOPs (Exterior Orientation Parameters) using control points located along the aluminum frame. Image matching was applied to measure the soil displacement. We tested different matching window sizes and the effect of image smoothing. Experimental results showed that 65x65 pixels of window size produced better soil deformation map and the image smoothing was useful to suppress the matching outliers. In conclusion, photogrammetry was able to efficiently generated soil deformation map.

An improvement of Medium Access Control Protocol in Ubiquitous Sensor Networks (유비쿼터스 센서 네트워크의 매체 접근 제어 기법에 대한 개선 방안)

  • Jang, Ho;Lee, Myung-Sub;Jeon, Woo-Sang
    • The KIPS Transactions:PartC
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    • v.16C no.3
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    • pp.373-382
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    • 2009
  • we present more efficient method of a medium access for real-time ubiquitous sensor networks. Proposed MAC protocol is like the randomized CSMA/CA protocol, but unlike previous legacy protocols, it does not use a time-varying contention window from which a node randomly picks a transmission slot. To reduce the latency for the delivery of event reports from sensor nodes, we carefully decide to select a fixed-size contention window with non-uniform probability distribution of transmitting in each slot. We show that the proposed method can offer up to several times latency reduction compared to legacy of IEEE 802.11 as the size of the sensor network scales up to 256 nodes using a widely-used network simulation package, NS-2. We finally show that proposed MAC scheme comes close to meet bounds on the best latency being achieved by a decentralized CSMA-based MAC protocol for real-time ubiquitous sensor networks which is sensitive to latency.

DRAM Package Substrate Using Via Cutting Structure (비아 절단 구조를 사용한 DRAM 패키지 기판)

  • Kim, Moon-Jung
    • Journal of the Institute of Electronics Engineers of Korea SD
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    • v.48 no.7
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    • pp.76-81
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    • 2011
  • A new via cutting structure in 2-layer DRAM package substrate has been fabricated to lower its power distribution network(PDN) impedance. In new structure, part of the via is cut off vertically and its remaining part is designed to connect directly with the bonding pad on the package substrate. These via structure and substrate design not only provide high routing density but also improve the PDN impedance by shortening effectively the path from bonding pad to VSSQ plane. An additional process is not necessary to fabricate the via cutting structure because its structure is completed at the same time during a process of window area formation. Also, burr occurrence is minimized by filling the via-hole inside with a solder resist. 3-dimensional electromagnetic field simulation and S-parameter measurement are carried out in order to validate the effects of via cutting structure and VDDQ/VSSQ placement on the PDN impedance. New DRAM package substrate has a superior PDN impedance with a wide frequency range. This result shows that via cutting structure and power/ground placement are effective in reducing the PDN impedance.

Design and Development of Graphic User Interface for HDTV MPEG Module (HDTV 수신 모듈용 GUI 설계 및 구현)

  • Bong, Jong-Su;Lim, Hyun-Seok;Kim, Se-Young;Kim, Dae-Jin
    • The Journal of the Korea Contents Association
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    • v.9 no.4
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    • pp.72-80
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    • 2009
  • By the advent of an era of digital convergence, the user-friendly DTV graphic user interface (GUI) techniques become very important because of the explosive consumption of DTV receiving modules. This paper describes the design and implementation of GUI of menu-driven type for the operation of HDTV MPEG module. The designed GUI is convenient and user-friendly. Main menu is created by forming a new window and is located on the top area of the window in the structure of 1 by 3 matrix. Thus main menu, sub-manu, and lower-level menu can be displayed on a screen. The menu-driven DTV GUI was acomplished by using new styles and icons.