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Self-generation of machining precision and its realization in lapping of super precision solid balls

ZHANG Bopeng

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 348-353 doi: 10.1007/s11465-008-0065-7

Abstract: From the viewpoint of self-organization, there are three types of systems including system 1 with the

Keywords： self-generation     necessary     self-regulation capability     viewpoint     Necessary    

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Progress in the research and development of p-xylene liquid phase oxidation process

WANG Lijun, CHENG Youwei, WANG Qinbo, LI Xi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 317-326 doi: 10.1007/s11705-007-0058-9

Abstract: The author emphasizes the viewpoint through this case study that chemical reaction engineering should

Keywords： development     -xylene     Zhejiang University     particular attention     viewpoint    

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A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud sequence

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 422-434 doi: 10.1631/FITEE.1500316

Abstract: To speed up the reconstruction of 3D dynamic scenes in an ordinary hardware platform, we propose an efficient framework to reconstruct 3D dynamic objects using a multiscale-contour-based interpolation from multi-view videos. Our framework takes full advantage of spatio-temporal-contour consistency. It exploits the property to interpolate single contours, two neighboring contours which belong to the same model, and two contours which belong to the same view at different times, corresponding to point-, contour-, and model-level interpolations, respectively. The framework formulates the interpolation of two models as point cloud transport rather than non-rigid surface deformation. Our framework speeds up the reconstruction of a dynamic scene while improving the accuracy of point-pairing which is used to perform the interpolation. We obtain a higher frame rate, spatio-temporal-coherence, and a quasi-dense point cloud sequence with color information. Experiments with real data were conducted to test the efficiency of the framework.

Keywords： Multi-view video     Free-viewpoint video     Point-pair     Multiscale-contour-based interpolation     Spatio-temporal-contour    

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Personal Viewpoint on the Self-determined Innovation of Modern Science and Technology in Relationship

Li Shihui

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 11-21

Abstract:

From the angle of the complement of Chinese traditional culture and Western culture each other, this paper briefly studies some typical examples about original self-determined innovation of modern science and technology since the 70's of the 20th century in China, and briefly summarizes a bit of understanding of the paper*s author, when he was devoted in the study of typical information method (TIM). The paper tries to demonstrate with practical examples that the traditional Chinese culture plays a great role on the self-determined innovation of modern science and technology, the form of which, etc . , is preliminarily investigated in this paper.

Keywords： Chinese traditional culture     Western culture     complement each other     self-determined innovation of science and technology     typical example    

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State space optimization of finite state machines from the viewpoint of control theory Research Article

Jumei Yue, Yongyi Yan, Zengqiang Chen, He Deng,yjm@mail.nankai.edu.cn,yyyan@mail.nankai.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 12,   Pages 1551-1684 doi: 10.1631/FITEE.2000608

Abstract: Motivated by the inconvenience or even inability to explain the mathematics of the state of (FSMs) in most existing results, we consider the problem by viewing FSMs as logical dynamic systems. Borrowing ideas from the concept of equilibrium points of dynamic systems in control theory, the concepts of -equivalent states and -source equivalent states are introduced. Based on the state transition dynamic equations of FSMs proposed in recent years, several mathematical formulations of -equivalent states and -source equivalent states are proposed. These can be analogized to the necessary and sufficient conditions of equilibrium points of dynamic systems in control theory and thus give a mathematical explanation of the optimization problem. Using these mathematical formulations, two methods are designed to find all the -equivalent states and -source equivalent states of FSMs. Further, two ways of reducing the state space of FSMs are found. These can be implemented without computers but with only pen and paper in a mathematical manner. In addition, an open question is raised which can further improve these methods into unattended ones. Finally, the correctness and effectiveness of the proposed methods are verified by a practical language model.

Keywords： 有限状态自动机；有限值系统；逻辑系统；逻辑网络；矩阵半张量积；空间优化    

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Title Author Date Type Operation

Self-generation of machining precision and its realization in lapping of super precision solid balls

ZHANG Bopeng

Journal Article

Progress in the research and development of p-xylene liquid phase oxidation process

WANG Lijun, CHENG Youwei, WANG Qinbo, LI Xi

Journal Article

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud sequence

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Journal Article

Personal Viewpoint on the Self-determined Innovation of Modern Science and Technology in Relationship

Li Shihui

Journal Article

State space optimization of finite state machines from the viewpoint of control theory

Jumei Yue, Yongyi Yan, Zengqiang Chen, He Deng,yjm@mail.nankai.edu.cn,yyyan@mail.nankai.edu.cn

Journal Article