echoinside
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ML in computer graphics and random stuff.
Any feedback: @fogside
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gradSim: Differentiable simulation for system identification and visuomotor control

* youtube
* project page
* paper under review

Our main contributions are:
* gradSim, a differentiable simulator that demonstrates the ability to backprop from video pixels to the underlying physical attributes.
* We demonstrate recovering many physical properties exclusively from video observations, including friction, elasticity, deformable material parameters, and visuomotor controls (sans 3D supervision)
* A PyTorch framework facilitating interoperability with existing machine learning modules.
#differentiable_rendering #physics #simulation
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Velocity Skinning for Real-time Stylized Skeletal Animation
* project page
* web demo
* pdf

Velocity Skinning is a simple technics to add exagerated deformation triggered by skeletal velocity on top of standard skinning animation.
The technic is:
- Real-time and can be implemented as a single pass vertex shader
- Works "out-of-the-box" on existing skinning data in reusing skinning weights
- Allows non-linear-time editing from instantaneous pose and velocity information

#physics #simulation #skinning #shader
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Softwrap - Dynamics For Retopology.
- available on blendermarket
Softwrap works by running a custom softbody simulation while snapping in a way similar to the shrinkwrap modifier.
#simulation #physics #tools #blender