Sketch-mode differentiable render

[albertotono]

🚀 Feature

It would be nice to add Sketch Render support like in OpenCV with find,draw contours, be able to render object and having their sketch versions in a differentiable way. I think it can be done changing the render, since all the Pytorch3d Library is a modular and Lior Wolf is already working on that from your group at FAIR.

Paper - END TO END TRAINABLE ACTIVE CONTOURS VIA DIFFERENTIABLE RENDERING Code

Motivation

Sketch Retrieval's tasks are in high demand, be able to sketch a chair and retrieve it from a dataset like shapenet could empower potential line of research.

Pitch

It can open another line of research on sketch based 3d model retrieval.