Difference between revisions of "November 13th, 2013 at 5:00pm PDT, Agenda and Minutes"

From Web3D.org
Jump to: navigation, search
m (corrected grammar)
m (format changes)
Line 3: Line 3:
 
1. BVH to X3D Interpolators
 
1. BVH to X3D Interpolators
  
   - Euler to quaternion conversion
+
   Euler to quaternion conversion
  
 
Myeong sent an algorithm to convert Euler angles to a quaternion to Don. There are several ways to convert Euler angles to quaternions, Don said. The conversion can be offline because it is not part of an X3D browser. Don reminded us this conversion is an implementation issue only.  
 
Myeong sent an algorithm to convert Euler angles to a quaternion to Don. There are several ways to convert Euler angles to quaternions, Don said. The conversion can be offline because it is not part of an X3D browser. Don reminded us this conversion is an implementation issue only.  
Line 9: Line 9:
 
2. BVH unification
 
2. BVH unification
  
   - BVH to LOA1, 2 and 3
+
   BVH to LOA1, 2 and 3
  
 
3. LOA 1, 2 and 3
 
3. LOA 1, 2 and 3
  
   - Definition and naming  
+
   Definition and naming  
  
 
Joe and Don are resolving joint names between the different LOAs.
 
Joe and Don are resolving joint names between the different LOAs.
  
   - Joint name: feature point, and landmark
+
   Joint name: feature point, and landmark
  
 
4. Applications for LOA 1, 2 and 3
 
4. Applications for LOA 1, 2 and 3

Revision as of 19:05, 13 November 2013

Dick Puk, Myeong Won Lee and William Glascoe attended. Don Brutzman joined 20 minutes into the call.

1. BVH to X3D Interpolators

  Euler to quaternion conversion

Myeong sent an algorithm to convert Euler angles to a quaternion to Don. There are several ways to convert Euler angles to quaternions, Don said. The conversion can be offline because it is not part of an X3D browser. Don reminded us this conversion is an implementation issue only.

2. BVH unification

  BVH to LOA1, 2 and 3

3. LOA 1, 2 and 3

  Definition and naming 

Joe and Don are resolving joint names between the different LOAs.

  Joint name: feature point, and landmark

4. Applications for LOA 1, 2 and 3

What is the best application for each level? Myeong thinks the medical applications warrants higher LOAs. William suggests the Use Case will dictate the LOA required. Dick agrees with William assertion. Don suggests we could had intermediate levels to map to some the Use Cases that are emerging in the market place. We are working on an intermediate LOA for hands, feet and facial animation. Myeong thinks we should make examples for LOA 2 and 3. Dick suggest we experiment with the same motion but use two LOAs. Do you always use a superset or allow additions to LOAs. Dick asserts it is a difference between specification and usage. How do you reconcile a situation of using a LOA3 (i.e., full up body ) but only animate a few of the joints? Dick wants to change the labels (title of Don's figure) specify level of articulation. Each level of articulation defines a "full" skeleton but higher levels resolve more joints (and segments or bones).


5. Scheduling next meeting

(3rd Wed) November 20th at 5:00pm PST (21st, 10:00am KST) or (1st Wed) December 4th at 5:00pm PST (5th, 10:00am KST)