Fluid video synthetic method based on static image
A still image and video synthesis technology, applied in 3D image processing, image data processing, animation production, etc., can solve problems such as large amount of calculation and inability to adapt to changing scenes
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[0034] The first step is to establish basic fluid models such as convection, divergence, rotation, translation and water waves.
[0035] In the process of establishing this model, the difference between the present invention and the traditional NS equation solution process is that a balance needs to be achieved in the speed and accuracy of the solution, so some factors are ignored, and the motion of the fluid is regarded as the density field at the velocity Driven by the field. In this way, the velocity field can be established and calculated first, and then the density field can be calculated. For the construction of the velocity field, it is considered that the fluid is incompressible and non-viscous, and the velocity field here is three-dimensional, expressed according to polar coordinates. Since various basic shapes such as translation, rotation, divergence, and source point flow have different physical properties in the radial and angular velocity directions, they can be...
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