• Title/Summary/Keyword: Hybrid framework

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An Improved Hybrid Approach to Parallel Connected Component Labeling using CUDA

  • Soh, Young-Sung;Ashraf, Hadi;Kim, In-Taek
    • Journal of the Institute of Convergence Signal Processing
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    • v.16 no.1
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    • pp.1-8
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    • 2015
  • In many image processing tasks, connected component labeling (CCL) is performed to extract regions of interest. CCL was usually done in a sequential fashion when image resolution was relatively low and there are small number of input channels. As image resolution gets higher up to HD or Full HD and as the number of input channels increases, sequential CCL is too time-consuming to be used in real time applications. To cope with this situation, parallel CCL framework was introduced where multiple cores are utilized simultaneously. Several parallel CCL methods have been proposed in the literature. Among them are NSZ label equivalence (NSZ-LE) method[1], modified 8 directional label selection (M8DLS) method[2], and HYBRID1 method[3]. Soh [3] showed that HYBRID1 outperforms NSZ-LE and M8DLS, and argued that HYBRID1 is by far the best. In this paper we propose an improved hybrid parallel CCL algorithm termed as HYBRID2 that hybridizes M8DLS with label backtracking (LB) and show that it runs around 20% faster than HYBRID1 for various kinds of images.

ON THE CONVERGENCE OF HYBRID PROJECTION METHODS FOR ASYMPTOTICALLY PSEUDOCONTRACTIVE MAPPINGS IN THE INTERMEDIATE SENSE

  • Cho, Sun-Young;Kang, Shin-Min;Qin, Xiaolong
    • Communications of the Korean Mathematical Society
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    • v.26 no.3
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    • pp.473-482
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    • 2011
  • In this paper, mappings which are asymptotically pseudo-contractive in the intermediate sense are considered based on a hybrid projection method. Strong convergence theorems of fixed points are established in the framework of Hilbert spaces.

Centralized, Distributed, Hybrid Task Planning Framework for Multi-Robot System in Diverse Communication Status

  • Moon, Jiyoun
    • Journal of Positioning, Navigation, and Timing
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    • v.10 no.3
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    • pp.215-220
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    • 2021
  • As the role of robots expands, flexible task planning methods are attracting attention from various domains. Many task planning frameworks are introduced to efficiently work in a wide range of areas. In order to work well in a broad region with multiple robots, various communication conditions should be controlled by task planning frameworks. However, few methods are proposed. In this paper, we propose mission planning methods according to the communication status of robots. The proposed method was verified through experiments assuming different communication states with a multi-robot system.

A framework for an expert system for fault diagnosis in an FMS (FMS의 고장진단을 위한 전문가 시스템의 구축방안에 대한 연구)

  • 이원영
    • Korean Management Science Review
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    • v.12 no.1
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    • pp.19-34
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    • 1995
  • The objective of this paper is to present a framework for an expert system for fault diagnosis in an FMS (Flexible Manufacturing Systyem). First, a system is analyzed structurally and functionally, giving the relationships between the system's components. These relationships, represented by strata, are are then stored in a deep knowledge base (DKB). Next, the specific knowledge, represented by echelons, about the symptoms and their probable causes for each component is stored in a shallow knowledge base (SKB) in the form of rule. When the fault diagnosis process begins, it starts to search the DKB and then the SKB, which is called hybrid reasoning in artificial intelligence.

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A Review on the Research of Information Technology Adoption by SME (중소기업의 정보기술 수용연구에 대한 고찰)

  • Kim, Gil-Rae;Kim, Chung-Yeong
    • 한국디지털정책학회:학술대회논문집
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    • 2004.05a
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    • pp.421-435
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    • 2004
  • This paper explores the applicability of traditional TAM and DOT to multi-level adoption (first level and second level adoption) process occurring within an organizational context. This paper identifies existing gaps in traditional innovation adoption models and concludes that a new framework is required. A new hybrid theoretical framework is developed which combines insights from organizational-level research on technology implementation with constructs from traditional innovation adoption models.

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Hybrid Prosthesis Supported by Osseointegrated Implants in Maxilla (골유착성 임프란트에 의해 지지되는 새로운 설계의 Hybrid Prosthesis)

  • Lee, J.S.;Shin, S.W.
    • Journal of the Korean Academy of Esthetic Dentistry
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    • v.8 no.1
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    • pp.46-59
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    • 1999
  • A fixed bridge is preferred as a prosthetic option supported by oral implants. However, it is very difficult to re tore edentulous maxilla with fixed prosthesis in cases with improper position and angulation of fixtures, abnormal jaw relation, and need for proper lip support. Six Br${\aa}$nemark implants were installed in edentulous maxilla opposing mandible with natural dentition. A removable hybrid prosthesis attached to a bar milled by 6 degrees was therefore designed to overcome such disadvantages of fixed prosthesis. Lateral stabilization of removable prosthesis was obtained by framework closely fitting the milled bar. Support for the prosthesis was ensured by three elevated areas on the bar. Two precision attachments(CEKA REVAX) provided appropriate direct and indirect retention without influencing support. A clinical and laboratory procedure was presented.

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ASADAL/OBJ Hybrid: An Object-Oriented Framework for Modeling and Validating Hybrid Systems (ASADAL/OBJ Hybrid: 고신뢰성 하이브리드 시스템 모델링을 위한 객체지향 프레임워크)

  • Shin Seungyeob;Kim Moonzoo;Kang Kyo C.
    • Proceedings of the Korean Information Science Society Conference
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    • 2005.07b
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    • pp.337-339
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    • 2005
  • 하이브리드 시스템이란 연속적인 변화와 이산적인 변화가 함께 존재하는 시스템으로 많은 임베디드 시스템이 하이브리드 시스템으로 모델링 된다. 이러한 하이브리드 시스템을 모델링하고 타당성을 검사(validation) 할 수 있는 도구의 제안은 시스템 개발자들에게 하이브리드 시스템의 복잡한 변화로 인한 시스템의 복잡성을 간소화 시킬 수 있는 방법을 제공하고, 고품질의 제어 소프트웨어를 개발할 수 있도록 해준다. 본 논문에서 소개하는 ASADAL/OBJ Hybrid는 고신뢰성 하이브리드 시스템 모델링을 위한 도구로써 객체지향 모델링에 따라 여러 하이브리드 시스템을 객체로 모델링하며, 이들 간의 통신은 이벤트와 데이터 전송으로 이루어지도록 한다. 환경 객체의 경우 3D 형태 정보를 가지고 있어서 3D 시뮬레이션을 통해 시스템의 변화 양상을 개발자에게 직관적으로 제공하도록 하고 있다.

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Reconfigurable Multidisciplinary Design Optimization Framework (재구성이 가능한 다분야통합최적설계 프레임웍의 개발)

  • Lee, Jang-Hyo;Lee, Se-Jung
    • Korean Journal of Computational Design and Engineering
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    • v.14 no.3
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    • pp.207-216
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    • 2009
  • Modern engineering design problems involve complexity of disciplinary coupling and difficulty of problem formulation. Multidisciplinary design optimization can overcome the complexity and design optimization software or frameworks can lessen the difficulty. Recently, a growing number of new multidisciplinary design optimization techniques have been proposed. However, each technique has its own pros and cons and it is hard to predict a priori which technique is more efficient than others for a specific problem. In this study, a software system has been developed to directly solve MDO problems with minimal input required. Since the system is based on MATLAB, it can exploit the optimization toolbox which is already developed and proven to be effective and robust. The framework is devised to change an MDO technique to another as the optimization goes on and it is called a reconfigurable MDO framework. Several numerical examples are shown to prove the validity of the reconfiguration idea and its effectiveness.

Hybrid Phenomena in Modern Sports-Inspired Fashion (현대 스포츠 인스파이어드 패션에 나타난 하이브리드)

  • Lee, Young-Min;Park, Jae-Ok
    • The Research Journal of the Costume Culture
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    • v.18 no.3
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    • pp.569-587
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    • 2010
  • In the field of fashion in this modern era, the tendency of diversification has created a variety of hybrid patterns and this tendency is being accelerated simultaneously by the hybrid trend. This research aims to analyze the aesthetic features of hybrid fashion in the modern "Sports Inspired Fashion(SIF)." We analyze fashion in the past 10 years from 2001 S/S to 2010 S/S. We focus on the four largest worldwide collections from New York, Paris, Milano, and London and concentrate on analyzing the contents from 38 volumes of Gap Press magazine. To accomplish our goal of study, we first define the concept of sports-inspired fashion and propose a framework of analysis to study hybrid patterns by reviewing the previous studies on hybrid patterns. Second, we analyze a wide range of sports-inspired fashion examples that have appeared in Gap Press magazines for the past 10 years(those which have been inspired by sports uniforms and training wears). Third, we analyze and classify the hybrid patterns of sports-inspired fashion. The results of our research are as follows. We have collected a total of 534 SIF works from the whole set of 61359 pictures and examined 23 sports fields. In terms of seasonal changes, the SIF works were found the most in the spring collections. Then, we have identified 25 hybrid patterns. The time hybrid pattern comprises more than half of the data(58.2%). The class-culture hybrid patterns comprise 18.8%, while the gender hybrid patterns comprise 18.2%. However, the intercultural hybrid patterns were rarely found, comprising merely 5% of the data. Our analysis confirms that sports and sports wear fashion are changing and developing in truly diverse ways in this modern era. This trend has continued to influence the high fashion in the modern age and is expected to exert a continuous impact on the change of fashion in the future.