difference method
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2022 ◽  
Vol 415 ◽  
pp. 126702
Author(s):  
Dongwook Shin ◽  
Youngmok Jeon ◽  
Eun-Jae Park

Author(s):  
Appanah R. Appadu ◽  
Yusuf O. Tijani

In this paper, we obtain the numerical solution of a 1-D generalised Burgers-Huxley equation under specified initial and boundary conditions, considered in three different regimes. The methods are Forward Time Central Space (FTCS) and a non-standard finite difference scheme (NSFD). We showed the schemes satisfy the generic requirements of the finite difference method in solving a particular problem. There are two proposed solutions for this problem and we show that one of the proposed solutions contains a minor error. We present results using FTCS, NSFD, and exact solution as well as show how the profiles differ when the two proposed solutions are used. In this problem, the boundary conditions are obtained from the proposed solutions. Error analysis and convergence tests are performed.


2022 ◽  
Vol 2022 ◽  
pp. 1-9
Author(s):  
Zhichao Xiong

Moving target detection (MTD) is one of the emphases and difficulties in the field of computer vision and image processing. It is the basis of moving target tracking and behavior recognition. We propose two methods are improved and fused, respectively, and the fusion algorithm is applied to the complex scene for MTD, so as to improve the accuracy of MTD in complex and hybrid scenes. Using the main idea of the three-frame difference image method, the background difference method and the interframe difference method are combined to make their advantages complementary to overcome each other’s weaknesses. The experimental results show that the method can be well adapted to the situation of periodic motion interference in the background, and it can adapt to the situation of sudden background changes.


Fuel ◽  
2022 ◽  
Vol 308 ◽  
pp. 122036
Author(s):  
Yueping Qin ◽  
Zhengduo Zhao ◽  
Hao Xu ◽  
Wei Liu ◽  
Fan Wu ◽  
...  

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