The content of this week’s class is to modify the figure in motion. We need to use the smartvector node to track the movement of the portrait. Through this function, we can change the portrait at will, such as adding tattoos, scars or removing moles on the face; at the same time, these added materials can also follow the movement of the portrait to change.
But I had some problems when I was doing my homework. If the motion amplitude of the portrait is too large or the time is too long, the added material will deform greatly, resulting in failure to modify the portrait. At the beginning of the video above, the woman’s moles are removed. However, after frame 50, there is an obvious deformation in the erased part. I have tried many times and failed. So I used the method of roto to remove moles from women’s faces.
I had a similar problem with devil man. But I watched some tutorials, and found that we can adjust the parameters of the smartvector node to adjust the tracking of the portrait’s motion. Although there is still a little bit of the above problem, it can be mitigated by choosing the right number of reference frames. In this video, I made this man’s face look like a viral infection or burn; at the same time, I put fire in the man’s eyes.