• Title/Summary/Keyword: object information

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Object Tracking Algorithm using Feature Map based on Siamese Network (Siamese Network의 특징맵을 이용한 객체 추적 알고리즘)

  • Lim, Su-Chang;Park, Sung-Wook;Kim, Jong-Chan;Ryu, Chang-Su
    • Journal of Korea Multimedia Society
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    • v.24 no.6
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    • pp.796-804
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    • 2021
  • In computer vision, visual tracking method addresses the problem of localizing an specific object in video sequence according to the bounding box. In this paper, we propose a tracking method by introducing the feature correlation comparison into the siamese network to increase its matching identification. We propose a way to compute location of object to improve matching performance by a correlation operation, which locates parts for solving the searching problem. The higher layer in the network can extract a lot of object information. The lower layer has many location information. To reduce error rate of the object center point, we built a siamese network that extracts the distribution and location information of target objects. As a result of the experiment, the average center error rate was less than 25%.

The Necessity of Development of BIM-Based Object Library for the Improvement of Effectiveness in Maintenance Work (유지관리 업무 효율성 향상을 위한 BIM기반 유지관리 시설물 객체 라이브러리 구축 개발의 필요성)

  • Kim, Ka-Ram;Lim, Chul-Woo;Yu, Jung-Ho
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2010.05a
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    • pp.231-234
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    • 2010
  • Recently, the construction industry has been changed more highly and complicacy. According to this, several informational systems of maintenance are introduced suitable the work and the purpose of each maintenance. However there are some problems in the manage the information of maintenance management by without the standization and systematic management of variable information from building life-cycle. This paper purposed the process of creation or management of information which is used for present maintenance through IFC-based facilities object library development is suggested for work efficiency of maintenance management. In addition, it can minimize the reproduce the same information unnecessarily. Fainally, it makes information compatibility through the building life-cycle highly by define the IFC-based object information and standardize the format of information.

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Object Extraction technique Using Belief Propagation Stereo Algorithm of Bidirectional Search based on Brightness (밝기기반 양방향 탐색기법의 신뢰전파 스테레오 알고리즘을 이용한 물체 추출 기법)

  • Choi, Young-Seok;Choi, Kyung-Seok;Kang, Hyun-Soo
    • Proceedings of the IEEK Conference
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    • 2007.07a
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    • pp.313-314
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    • 2007
  • In this paper, we suggest robust object extraction algorithm taking advantage of efficient Belief Propagation method. It does not get a disparity information because of uniform region and occlusion region etc. on initial depth map that use forward direction disparity information although is object area. Therefore, We run parallel backward disparity information and brightness information for certain object extraction.

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Extracting and Tracing a Specified Object among Multiple Ones (다중객체 환경에서 특정객체의 추출 및 추적에 관한 연구)

  • Kim, Eun-Hwan;Han, Dan-Song;Lee, Kwang-Hyoung;Jun, Moon-Seog
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.9 no.1
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    • pp.100-107
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    • 2008
  • This paper proposes a real-time processing method to simplify the image input procedure while extracting and tracing a specified object among multiple ones. In order to extract an object in a specified area among multiple objects of indoor environment and tracing the extracted object continuously, it is verified through experiments that the information interchanged between cameras upwards and in front of it have effect on tracing a specified object continuously. The camera located upward transfers its x-axis data of the input image to the front camera so that the front camera can catch the area of object soon without computing the information of x-axis. The front camera can't resolve the problem of objects overlapping till they share information with the upward camera. The result of the experiment shows that the computation for tracing an object is simplified and the accuracy for extracting and tracing is upgraded.

3-D Object Tracking using 3-D Information and Optical Correlator in the Stereo Vision System (스테레오 비젼 시스템에서 3차원정보와 광 상관기를 이용한 3차원 물체추적 방법)

  • 서춘원;이승현;김은수
    • Journal of Broadcast Engineering
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    • v.7 no.3
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    • pp.248-261
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    • 2002
  • In this paper, we proposed a new 3-dimensional(3-D) object-tracking algorithm that can control a stereo camera using a variable window mask supported by which uses ,B-D information and an optical BPEJTC. Hence, three-dimensional information characteristics of a stereo vision system, distance information from the stereo camera to the tracking object. can be easily acquired through the elements of a stereo vision system. and with this information, we can extract an area of the tracking object by varying window masks. This extractive area of the tracking object is used as the next updated reference image. furthermore, by carrying out an optical BPEJTC between a reference image and a stereo input image the coordinates of the tracking objects location can be acquired, and with this value a 3-D object tracking can be accomplished through manipulation of the convergence angie and a pan/tilt of a stereo camera. From the experimental results, the proposed algorithm was found to be able to the execute 3-D object tracking by extracting the area of the target object from an input image that is independent of the background noise in the stereo input image. Moreover a possible implementation of a 3-D tele-working or an adaptive 3-D object tracker, using the proposed algorithm is suggested.

Design and Implementation of An Educational VDB System in Distributed Environments Based on Object Groups (객체그룹 기반의 분산환경에서 교육용 VDB 시스템의 설계 및 구현)

  • Yu, Gyeong-Taek;Lee, Hyeon-Cheol;Ju, Su-Jong
    • The Transactions of the Korea Information Processing Society
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    • v.6 no.11
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    • pp.3034-3045
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    • 1999
  • For efficiently providing multimedia services, distributed computing environments are specified the requirements of various services and distributed object platforms applied an object-oriented technology by TINA Consortium and OMG CORBA. Because multimedia service applications are becoming large and distributing, their servicing managing interfaces among objects are being complicated. In order to solve these defects, it is necessary to suggest a new object grouping model and specify object service/management requirements can be introduced under the object groups. We have been developed the distributed object group platform that can group all individual objects by the relating services and can supply trading functions for interconnecting between distributed objects or object groups. In this paper, we designed and implemented the Virtual Drawing Board for remote equational services on the distributed object group platform we mentioned above. As results, we designed a basic structure and service interfaces, and showed execution procedures of VDB system consisted of distributed objects and objects groups for educational services. For supporting distributed services of VDB system, we used three kinds of tools as follows; IONA orbix 2.2 of CORBA compliance as an object middleware, OrbixTrader 1.0 for interconnection of distributed objects, and the OGTG we developed for interconnection of distributed object groups and checking access rights of objects included in an arbitrary object group.

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A Research on the Measurement of Human Factor Algorithm 3D Object (3차원 영상 객체 휴먼팩터 알고리즘 측정에 관한 연구)

  • Choi, Byungkwan
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.14 no.2
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    • pp.35-47
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    • 2018
  • The 4th industrial revolution, digital image technology has developed beyond the limit of multimedia industry to advanced IT fusion and composite industry. Particularly, application technology related to HCI element algorithm in 3D image object recognition field is actively developed. 3D image object recognition technology evolved into intelligent image sensing and recognition technology through 3D modeling. In particular, image recognition technology has been actively studied in image processing using object recognition recognition processing, face recognition, object recognition, and 3D object recognition. In this paper, we propose a research method of human factor 3D image recognition technology applying human factor algorithm for 3D object recognition. 1. Methods of 3D object recognition using 3D modeling, image system analysis, design and human cognitive technology analysis 2. We propose a 3D object recognition parameter estimation method using FACS algorithm and optimal object recognition measurement method. In this paper, we propose a method to effectively evaluate psychological research techniques using 3D image objects. We studied the 3D 3D recognition and applied the result to the object recognition element to extract and study the characteristic points of the recognition technology.

A design concept on object database of measurement data for building a safety management network of road bridges (도로 교량의 안전관리 네트워크 구축을 위한 계측자료의 객체 데이터베이스 설계 개념)

  • Park, Sang-Il;An, Hyun-Jung;Kim, Hoy-Jin;Lee, Sang-Ho
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2008.04a
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    • pp.518-523
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    • 2008
  • In this study, we analyzed applicability of object database, designed the concept model based on object-oriented idea for measurement data management, and applied the design model to object database. The concept model composes three sub models Infrastructure managing information model, Infrastructure measurement data model, and Measurement unit model. The process to expand measurement data of new type was executed easily without changing database schema in object database. The process to expand measurement data of new type was executed easily without changing database schema in object database. Therefore, applicability of new technology to infrastructures for building a safety management network of road bridges could be increased with object database system.

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The Study of automatic region segmentation method for Non-rigid Object Tracking (Non-rigid Object의 추적을 위한 자동화 영역 추출에 관한 연구)

  • 김경수;정철곤;김중규
    • Proceedings of the IEEK Conference
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    • 2001.06d
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    • pp.183-186
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    • 2001
  • This paper for the method that automatically extracts moving object of the video image is presented. In order to extract moving object, it is that velocity vectors correspond to each frame of the video image. Using the estimated velocity vector, the position of the object are determined. the value of the coordination of the object is initialized to the seed, and in the image plane, the moving object is automatically segmented by the region growing method and tracked by the range of intensity and information about Position. As the result of an application in sequential images, it is available to extract a moving object.

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Automatic segmentation of non-rigid object in image sequences (연속영상에서 non-rigid object의 자동 분할)

  • 정철곤;김중규;안치득
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.26 no.10B
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    • pp.1419-1427
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    • 2001
  • 본 논문은 연속영상에서 non-rigid object를 자동으로 분할하고 알고리즘을 제안하였다. Non-rigid object는 형태의 변화가 일정하기 않은 object로서 기존의 분할 알고리즘과는 다른 새로운 분할 알고리즘을 필요로 한다. 본 논문에서는 특히 구름이나 연기와 같이 형태의 변화가 큰 non-rigid object를 자동으로 분할하는 알고리즘을 제안하였다. 제안된 알고리즘은 공간분할, 시간분할, 그리고 공간분할과 시간분할의 결합의 세 가지 단계로 구성되어 있다. 공간분할은 영상에서 픽셀의 intensity를 마코프 랜덤 필드로 가정하고 에너지 최소화를 통해 영상을 분할한다. 시간분할은 속도벡터를 기반으로 하여 움직임이 있는 영역만을 분할한다. 마지막으로 공간분할과 시간분할을 결합하여 non-rigid object의 최종적인 분할을 수행한다. 실험결과, 제안된 알고리즘은 연속영상에서 non-rigid object를 자동으로 분할함을 확인할 수 있었다.

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