Group items tagged

FaceTracker is a C/C++ API for real time generic non-rigid face alignment and tracking. Goal: Non-rigid face alignment and tracking is a common problem in computer vision. It is the front-end to many algorithms that require registration, for example face and expression recognition. However, those working on algorithms for these higher level tasks are often unfamiliar with the tools and peculiarities regarding non-rigid registration (i.e. pure machine learning scientists, psychologists, etc.). Even those directly working on face alignment and tracking often find implementing an algorithm from published work to be a daunting task, not least because baseline code against which performance claims can be assessed does not exist. As such, the goal of FaceTracker is to provide source code and pre-trained models that can be used out-of-the-box, for the dual purpose of: 1. Promoting the advancement of higher level inference algorithms that require registration. 2. Providing baseline code to promote quantitative improvements in face registration. Features: * Real time: ranging from 20-30 fps (depending on processor, compiler and use of OpenMP) * Generic: designed to work for most people under most conditions * No training required: a pre-trained model is provided * Detection based initialisation: no user intervention required * Automatic failure detection: requires no user re-initialisation * Camera or video input

Thanks Maurizio for the link!

This comes out of work I presented as a SIGGRAPH 97 Technical Sketch. The demo is mostly an experiment to isolate the minimal number of facial expression elements that will produce a "convincing" impression of character and personality. Of course this is just a subset of the full range of expression the human face is capable of. Paul Ekman's pioneering work on the Facial Action Coding System gives a functional description of the full range of expression of which the human face is capable.

I did send it a year a go, and have been looking at it off and on since it was created. As a simple base set of points it's wonderfully expressive and shows how much reads with so little adjusted. Head angle and noise plays a big part in this too.

I was playing with that. Very cool! It just shows the system, simplied as possible. What is "heas" angle?

also check out... http://cgclay.blogspot.com/search?updated-min=2011-01-01T00%3A00%3A00-08%3A00&updated-max=2012-01-01T00%3A00%3A00-08%3A00&max-results=1

Animation Tools - a set of free Maya-tools targeted at reducing the amount of tedious work associated with the setup process of high quality, animatable characters. The Adaptable Facial Setup is capable of driving any humanoid geometry, drawing from an extensive, FACS-based library of facial movement components. The process of fitting the head skeleton to the individual geometry is simplified by offering a standard set of skin weights that accommodates the typical deformation regions of the face. Any skin weights may be cloned topology-independent from one head to another utilizing the Geometry Matching Tool. The Corrective Blendshape Manager offers a useful way to add subtle deformations to a skinned mesh. Blendshape targets can be created and edited, and are computed with respect to the bind pose of the skinned mesh.

that`s pretty cool!! guys, try to play with layers of skull, muscle etc.. really nice interface!

Facial animation test including lip sync. Based on the Facial Action Coding System (FACS) by Dr Paul Ekman. Created with Softimage XSI by Paul Charisse (modeling, animation) and Andrea Interguglielmi (scripting).

Facial animation rigs created for the "Delgo" movie. Tutorial by Warren Grubb.

Kinda cool

it`s just interesting how he describes the vector deltas, which are basically just blendShape. And pushing nearest points by that amount is like usual wrap. I just wasn`t getting why there is custom ICE network, maybe I missed something :) btw. I really liked the short "dog-boy" animation this guy did

It's a bit different to a wrap, more a delta look up and transfer, not a bind to of one bit of geo to another. As such you're only transferring relative motion and can manipulate that in different ways.