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Oriented Bounding Box Object Detection Model Based on Improved YOLOv8
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作者 ZHAO Xin-kang SI Zhan-jun 《印刷与数字媒体技术研究》 CAS 北大核心 2024年第4期67-75,114,共10页
In the study of oriented bounding boxes(OBB)object detection in high-resolution remote sensing images,the problem of missed and wrong detection of small targets occurs because the targets are too small and have differ... In the study of oriented bounding boxes(OBB)object detection in high-resolution remote sensing images,the problem of missed and wrong detection of small targets occurs because the targets are too small and have different orientations.Existing OBB object detection for remote sensing images,although making good progress,mainly focuses on directional modeling,while less consideration is given to the size of the object as well as the problem of missed detection.In this study,a method based on improved YOLOv8 was proposed for detecting oriented objects in remote sensing images,which can improve the detection precision of oriented objects in remote sensing images.Firstly,the ResCBAMG module was innovatively designed,which could better extract channel and spatial correlation information.Secondly,the innovative top-down feature fusion layer network structure was proposed in conjunction with the Efficient Channel Attention(ECA)attention module,which helped to capture inter-local cross-channel interaction information appropriately.Finally,we introduced an innovative ResCBAMG module between the different C2f modules and detection heads of the bottom-up feature fusion layer.This innovative structure helped the model to better focus on the target area.The precision and robustness of oriented target detection were also improved.Experimental results on the DOTA-v1.5 dataset showed that the detection Precision,mAP@0.5,and mAP@0.5:0.95 metrics of the improved model are better compared to the original model.This improvement is effective in detecting small targets and complex scenes. 展开更多
关键词 Remote sensing image Oriented bounding boxes object detection Small target detection YOLOv8
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Method of Establishing Object-Oriented System Structure for Decision Support System 被引量:2
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作者 曹元大 胡军 管春 《Journal of Beijing Institute of Technology》 EI CAS 2002年第3期311-315,共5页
In order to solve existing problems about the method of establishing traditional system structure of decision support system(DSS), O S chart is applied to describe object oriented system structure of general DSS, an... In order to solve existing problems about the method of establishing traditional system structure of decision support system(DSS), O S chart is applied to describe object oriented system structure of general DSS, and a new method of eight specific steps is proposed to establish object oriented system structure of DSS by using the method of O S chart, which is applied successfully to the development of the DSS for the energy system ecology engineering research of the Wangheqiu country. Supplying many scientific effective computing models, decision support ways and a lot of accurate reliable decision data, the DSS plays a critical part in helping engineering researchers to make correct decisions. Because the period for developing the DSS is relatively shorter, the new way improves the efficiency of establishing DSS greatly. It also makes the DSS of system structure more flexible and easy to expand. 展开更多
关键词 decision support system object oriented technology system structure
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Modeling of Intelligent Integrated Network Management System Using Object Oriented Approach *
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作者 费翔 罗军舟 +1 位作者 顾冠群 吴介一 《Journal of Southeast University(English Edition)》 EI CAS 1998年第1期3-7,共5页
The concept of intelligent integrated network management (IINM) is briefly introduced. In order to analyze, design and implement IINM successfully, object oriented approach is testified to be an effective and efficien... The concept of intelligent integrated network management (IINM) is briefly introduced. In order to analyze, design and implement IINM successfully, object oriented approach is testified to be an effective and efficient way. In this paper, object oriented technique is applied to the structural model of IINM system, The Domain object class and the MU object class are used to represent the manager and the managed resources. Especially, NM IA is introduced which is a special object class with intelligent behaviors to manage the resources efficiently. 展开更多
关键词 object oriented approach computer communication network network management
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DESIGN OF WINDOW BASED AND OBJECT ORIENTED GUI
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作者 李光耀 周来水 周儒荣 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 1996年第2期74+70-73,共5页
This paper discusses the design concept and method about window based and object oriented Graphic User Interface(GUI),and describes the definition of each class in detail. It is developed with Watcom C ++ in... This paper discusses the design concept and method about window based and object oriented Graphic User Interface(GUI),and describes the definition of each class in detail. It is developed with Watcom C ++ in DOS environment.The GUI can be redeveloped conveniently and effectively by users.It consists of window,popup menu,icon,button and other components. 展开更多
关键词 USERS user interfaces graphic user interface object oriented event handle
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OBJECT ORIENTED DATA MODELLING WITH APPLICATIONS TO CAD
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作者 应维云 傅向阳 周儒荣 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 1996年第2期69+63-68,共7页
An object oriented data modelling in computer aided design (CAD) databases is focused. Starting with the discussion of data modelling requirements for CAD applications, appropriate data modelling features are introdu... An object oriented data modelling in computer aided design (CAD) databases is focused. Starting with the discussion of data modelling requirements for CAD applications, appropriate data modelling features are introduced herewith. A feasible approach to select the “best” data model for an application is to analyze the data which has to be stored in the database. A data model is appropriate for modelling a given task if the information of the application environment can be easily mapped to the data model. Thus, the involved data are analyzed and then object oriented data model appropriate for CAD applications are derived. Based on the reviewed object oriented techniques applied in CAD, object oriented data modelling in CAD is addressed in details. At last 3D geometrical data models and implementation of their data model using the object oriented method are presented. 展开更多
关键词 computer aided design DATABASES data models object oriented data models complex objects geometrical models
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A Study on the Design for Object-Oriented Adaptive Decision-Making Teams 被引量:2
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作者 Xiao Bing, Qu Tan & Wang Mingzhe Huazhong University of Science and Technology, Wuhan 430074,P.R. China 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2002年第1期68-73,共6页
The modern war features a highly distributed coordination. In the face of great time constrains, it is important to change command organizations to adapt to the real environment. Therefore it's a key step to set u... The modern war features a highly distributed coordination. In the face of great time constrains, it is important to change command organizations to adapt to the real environment. Therefore it's a key step to set up adaptive C2 teams. In this paper, the relational problems about distributed C2 organizational structure adaptation are discussed, and the methodology for team decision making design based on the object oriented technique is studied. 展开更多
关键词 Adaptation Decision making team Colored Petri net object oriented.
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Dynamic Slicing of Object Oriented Programs
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作者 Jian\|jun Zhao Department of Computer Science and Engineering, Fukuoka Institute of Technology, Fukuoka 811 0295, Japan 《Wuhan University Journal of Natural Sciences》 CAS 2001年第Z1期391-397,共7页
Program slice has many applications such as program debugging, testing, maintenance, and complexity measurement. A static slice consists of all statements in program P that may effect the value of variable v a... Program slice has many applications such as program debugging, testing, maintenance, and complexity measurement. A static slice consists of all statements in program P that may effect the value of variable v at some point p , and a dynamic slice consists only of statements that influence the value of variable occurrence for specific program inputs. In this paper, we concern the problem of dynamic slicing of object oriented programs which, to our knowledge, has not been addressed in the literatures. To solve this problem, we present the dynamic object oriented dependence graph (DODG)which is an arc classified digraph to explicitly represent various dynamic dependence between statement instances for a particular execution of an object oriented program. Based on the DODG, we present a two phase backward algorithm for computing a dynamic slice of an object oriented program. 展开更多
关键词 program slicing dynamic dependence graph object oriented program SOFTWARE maintenance DEBUGGING testing
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Evolving Objects for Software Engineering
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作者 Wang xiao\|ling, Dong yi\|sheng Department of Computer Science and Engineering Southeast university, Nanjing 210018,China 《Wuhan University Journal of Natural Sciences》 CAS 2001年第Z1期263-267,共5页
This paper is concerned with evolving objects method for software design that can adapt to the changing environments and requirements automatically. We present system architecture with objects library, where there are... This paper is concerned with evolving objects method for software design that can adapt to the changing environments and requirements automatically. We present system architecture with objects library, where there are objects based on domain ontologies. We define some genetic operators for objects, and discuss how to apply these genetic operators on objects to get new objects, which can satisfy new requirements. 展开更多
关键词 object oriented ONTOLOGY evolving objects meta object genetic operator mutation operator crossover operator
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A Way to Build Software Culture: Distributed Object-Oriented Software Engineering over Internet
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作者 Tian Ai jing, Zhang Ling, Li Zong rong Department of Computer Science, Hubei University, Wuhan 430062, China State Key Laboratory of Software Engineering, Wuhan University, Wuhan 430072, China 《Wuhan University Journal of Natural Sciences》 CAS 2001年第Z1期359-361,共3页
This paper focuses on Distributed Object Oriented Software Engineering over Internet, which is a way to build software culture. We believe that our work will contribute to better understanding of how to meet the nee... This paper focuses on Distributed Object Oriented Software Engineering over Internet, which is a way to build software culture. We believe that our work will contribute to better understanding of how to meet the needs of the big potential software market and to promote the software industry in developing country. The United States and Western Europe have well established software industry and related civilization. Software science, technology, and engineering are needed in China; however, maybe what is needed, first of all, is software civilization, including software ideas, customs, skills, arts, etc. We will draw a framework for the software culture as following: Software is the most important commodity in this age; Brilliance of hardware component era has become past fact; A software component era is ahead; Traditional linear process model is obsolete; Modern software engineering has a new face, object evolution model; Distributed object oriented software engineering over Internet is an approach to software component era; and Complete software civilization will be formed all over the world in next century. 展开更多
关键词 SOFTWARE software engineering object oriented methodology software component software culture
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Object-Oriented Design for FDTD Visual Scientific Computing
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作者 Dong, X. Wang, W. Wang, G. 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2001年第3期71-75,共5页
A scheme for general purposed FDTD visual scientific computing software is introduced in this paper using object-oriented design (OOD) method. By abstracting the parameters of FDTD grids to an individual class and sep... A scheme for general purposed FDTD visual scientific computing software is introduced in this paper using object-oriented design (OOD) method. By abstracting the parameters of FDTD grids to an individual class and separating from the iteration procedure, the visual software can be adapted to more comprehensive computing problems. Real-time gray degree graphic and wave curve of the results can be achieved using DirectX technique. The special difference equation and data structure in dispersive medium are considered, and the peculiarity of parameters in perfectly matched layer are also discussed. 展开更多
关键词 Computational methods Computer aided design Data structures Difference equations Finite difference method Iterative methods Natural sciences computing object oriented programming Parameter estimation Three dimensional computer graphics Time domain analysis
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An object oriented multi-robotic graphic simulation environment for programming the welding tasks
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作者 崔泽 赵杰 +1 位作者 崔岩 蔡鹤皋 《China Welding》 EI CAS 2002年第1期77-83,共7页
An object oriented multi robotic graphic simulation environment is described in this paper. Object oriented programming is used to model the physical objects of the robotic workcell in the form of software objects ... An object oriented multi robotic graphic simulation environment is described in this paper. Object oriented programming is used to model the physical objects of the robotic workcell in the form of software objects or classes. The virtual objects are defined to provide the user with a user friendly interface including realistic graphic simulation and clarify the software architecture. The programming method of associating the task object with active object effectively increases the software reusability, maintainability and modifiability. Task level programming is also demonstrated through a multi robot welding task that allows the user to concentrate on the most important aspects of the tasks. The multi thread programming technique is used to simulate the interaction of multiple tasks. Finally, a virtual test is carried out in the graphic simulation environment to observe design and program errors and fix them before downloading the software to the real workcell. 展开更多
关键词 object oriented programming task level programming welding task 3D graphic simulation expert system
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Feature-based and objectoriented product information model for welding structure
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作者 林三宝 杨春利 +1 位作者 黎明 吴林 《China Welding》 EI CAS 1999年第2期3-10,共8页
Product information model for welding structure plays an important role for the integration of welding CAD/CAPP/CAM. However, existing CAD modeling systems are not capable of providing enough information for subsequen... Product information model for welding structure plays an important role for the integration of welding CAD/CAPP/CAM. However, existing CAD modeling systems are not capable of providing enough information for subsequent manufacturing activities such as CAPP and CAM. A new design approach using feature technique and object oriented programming method is put forward in this paper in order to create the product information model of welding structure. With this approach, the product information model is able to effectively support computer aided welding process planning, fixturing, assembling, path planning of welding robot and other manufacturing activities. The feature classification and representing scheme of welding structure are discussed. A prototype system is developed based on feature and object oriented programming. Its structure and functions are given in detail. 展开更多
关键词 object oriented programming feature based design product information model welding structure CAD/CAM integration
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Diagnosing Student Learning Problems in Object Oriented Programming
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作者 Hana Al-Nuaim Arwa Allinjawi +1 位作者 Paul Krause Lilian Tang 《Computer Technology and Application》 2011年第11期858-865,共8页
Students often face difficulties while taking basic programming courses due to several factors. In response, research has presented subjective assessments for diagnosing learning problems to improve the teaching of pr... Students often face difficulties while taking basic programming courses due to several factors. In response, research has presented subjective assessments for diagnosing learning problems to improve the teaching of programming in higher education. In this paper, the authors propose an Object Oriented conceptual map model and organize this approach into three levels: constructing a Concept Effect Propagation Table, constructing Test Item-Concept Relationships and diagnosing Student Learning Problems with Matrix Composition. The authors' work is a modification of the approaches of Chert and Bai as well as Chu et al., as the authors use statistical methods, rather than fuzzy sets, for the authors' analysis. This paper includes a statistical summary, which has been tested on a small sample of students in King Abdulaziz University, Jeddah, Saudi Arabia, illustrating the learning problems in an Object Oriented course. The experimental results have demonstrated that this approach might aid learning and teaching in an effective way. 展开更多
关键词 Higher education programming learning difficulties object oriented programming conceptual model.
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The Feature-Based a New Object Coding Approach for Prismatic Parts at the Part Modeling
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作者 Ismet Celik Ali Unuvar 《Modeling and Numerical Simulation of Material Science》 2013年第4期129-138,共10页
Use of features in order to achieve the integration of design and manufacture has been considered to be a key factor recent years. Features such as manufacturing properties form the workpiece. Features are structured ... Use of features in order to achieve the integration of design and manufacture has been considered to be a key factor recent years. Features such as manufacturing properties form the workpiece. Features are structured systematically through object oriented modeling. This article explains an object coding method developed for prismatic workpieces and the use of that method in process planning. Features have been determined and modeled as objects. Features have been coded according to their types and locations on the workpiece in this given method. Feature codings have been seen to be very advantageous in process planning. 展开更多
关键词 FEATURE Feature Based Modeling object Oriented Modeling Process Planning
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Investment Objectives and Priorities of China Petroleum Industry Oriented to 2000
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作者 Peng Qing(Beijing Petroleum Managers Training Institute)Subjects: Investment, Decision analysis, External Cooperation 《China Oil & Gas》 CAS 1998年第2期70-72,共3页
关键词 2010 Investment objectives and Priorities of China Petroleum Industry Oriented to 2000
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GEAR BOX CONCEPT DESIGN EXPERT SYSTEM OF NC MILLER BASED ON OBJECT─ORIENTED TECHNOLOGY
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作者 Hu Weigang Yang Haibin +1 位作者 Yu Jun Zhou Ji (Huazhong University of Science and Technology) 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 1994年第3期163-169,共17页
The method and basic structure of object─oriented knowledge representation are presented in detail and the hierarchical structurc of object description is explained Based on object─oriented technology.the gear box c... The method and basic structure of object─oriented knowledge representation are presented in detail and the hierarchical structurc of object description is explained Based on object─oriented technology.the gear box concept design expert cistem of NC miller (GBCDLS) has been developed and applied to practical use.Moreover. the design principlc and techniques of GBCDES are discussed and analyzed. and the main functions of GBCDES are described. From the results of applications.it can be seen that GBCDES is effective and successful. 展开更多
关键词 Miller Gear box Concept design Expert system object─oriented
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The System Design of Semiconductor Device Simulator
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作者 杨廉峰 吴金 +2 位作者 夏君 刘其贵 魏同立 《Journal of Southeast University(English Edition)》 EI CAS 1999年第2期24-29,共6页
This paper studies the numerical simulation for semiconductor devices and discusses the software design of the simulation system. Our focus is on the deep submicron device simulation for BJT, MOSFET, heterojunction bi... This paper studies the numerical simulation for semiconductor devices and discusses the software design of the simulation system. Our focus is on the deep submicron device simulation for BJT, MOSFET, heterojunction bipolar transistors (HBT), etc. So the object oriented technology for software design and its realization is used to make the system easy to implement, maintain and extend. Besides the discussion of simulation and software system design, this paper introduces a device simulator SMDS and its parallel extension under local network environment using CORBA technology. 展开更多
关键词 device simulation submicron device object oriented technology parallel simulation
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A FAULT ISOLATION EXPERT SYSTEM FOR ENGINE INDICATION AND CREW ALERTING SYSTEM
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作者 杨忠 刘正埙 +1 位作者 左洪福 吴惠祥 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 1998年第1期48-52,共5页
This paper is devoted to develop an expert system to manage the fault isolation and maintenance knowledge of the engine indication and crew alerting system (EICAS). The object oriented programming (OOP) technique and... This paper is devoted to develop an expert system to manage the fault isolation and maintenance knowledge of the engine indication and crew alerting system (EICAS). The object oriented programming (OOP) technique and the microsoft foundation class (MFC) are applied to set up a frame decision tree (FDT) which incorporates the expert system′s knowledge base, inference engine and user interface. Once a fault symptom indicated by the EICAS is input, by inferring step by step, the expert system can locate it in the engine and provide some homologous constructive maintenance advice. 展开更多
关键词 expert system object oriented ENGINE fault isolation
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Application of Petri Net to Fault Diagnosis in Satellite 被引量:3
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作者 Ding Caihong School of Mechanics, DongHua University, Shanghai 200051, P R. China 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2001年第2期92-96,共5页
A prototype of fault diagnosis based on Petri net, which is developed for a satellite tele-control subsystem, is introduced in this paper. Its structure is first given with the emphasis on a Petri net modeling tool wh... A prototype of fault diagnosis based on Petri net, which is developed for a satellite tele-control subsystem, is introduced in this paper. Its structure is first given with the emphasis on a Petri net modeling tool which is designed using the object oriented method. The prototype is connected to the database with DAO (Date Access Object) technique, and makes the Petri net's firing mechanism and its analyzing methods to be packed up as DLL (Dynamic Link Library) documents. Compared with the rule-based expert system method, the Petri net-based one can store the knowledge in mathematical matrix and make inference more quickly and effectively. 展开更多
关键词 Database systems Expert systems Matrix algebra object oriented programming Petri nets Software prototyping
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Software Engineering Technology for the 21^(st) Century 被引量:1
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作者 Cheng Hu Institute of Software, Chinese Academy of Sciences Beijing 100080, China 《Wuhan University Journal of Natural Sciences》 CAS 2001年第Z1期152-158,共7页
In this paper we will discuss the software engineering technology for the 21 st century. First we review development over the last half century, overview application requirement and environment, accept a chal... In this paper we will discuss the software engineering technology for the 21 st century. First we review development over the last half century, overview application requirement and environment, accept a challenge. Then we outline following software engineering techniques: 1) Process;2) Analysis;3) Design;4) UML;5) Component;6) Java +XML;7) Integrated;8) Quality(ISO9000&CMM). 展开更多
关键词 software engineering object oriented COMPONENT Java UML CMM ISO9000
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