Avatar Shoot Instructions
There are two parts of the avatar shoot: first, you need to 3D scan the body and head to create a 3D model of your character. This can be done in a volumetric scanning booth, or with a handheld scanner such as (...). Second, you will need to capture the facial performance of the character, this is to record the fine details of your character's facial expression and speech. This is done with a Head Mounted Camera. Additionally, one can opt to do a fully body motion capture to later animate the body.
How to capture the facial performance
For the facial performance capture you will need a Head Mounted Camera such as ... and an even lighting setup.
Sit your character down on a chair, for optimal stability and comfort.
Make the lighting as flat as possible, ie- large surface area, soft lighting.
2: Camera setup
The camera needs to have the tightest lens, the 4.7mm with the faceware set up.
The camera needs to be as far away from the face as the rods allow, (use the longest rods)
Frame rate: 24p or 30p
Shutter speed: 1/100 shutter speed or faster
3: Camera position
The camera needs to be centred to the tip of the nose.
Ensure the camera angle is low enough to get the inside of the mouth
Check periodically to make sure the camera hasn’t sunk.
4: Performance (seated)
Keep the head as still as possible when performing.
The script can be placed past the HMC. Make sure the subject looks past the HMC camera, not at the camera. Otherwise, the subject will appear cross eyed.
5: Mocap shots
For shots to be synced with body mocap:
Use a light-weight ring light. If not, the built-in light will do.
Watch for camera shake and droop.
Shoot a checkerboard to track distortion.
Shoot a Macbeth to calibrate your camera
8: Texture reference
Shoot some high-resolution static shots of the subject in a neutral pose, eyes open and eyes closed.
9: ROM poses
It is recommended that you capture a series of poses to (explain why) to create the ROM (Range of Motion). An example of recommended poses can be seen here:
<ANDREW include a list that people can use as reference/checklist - recommendations>
It is highly recommended that you slate your shots in case the time code gives you any syncing issues in the post production.
Especially when creating mocap shots together with facial performance video, a simple audio cue will save you a lot of trouble.
11: Neutral pose
It is important to start and finish each facial performance clip on the Neutral Pose: no expression, mouth closed. This is necessary so that you can create seamless transitions between your character's different facial animations.
How to Scan your Character
Best Practises for Motion Capture