Graphics Reference
In-Depth Information
4.6.2.19 Issue: Phase Mismatch
Phase mismatch, temporal lag between the correct frames of image pairs.
Instead they are a frame (or portion of a frame) or more “ahead” or “behind”
their correct position. This can also result in a strobing, smearing or l ickering
in affected imagery. Phase and shutter issues are often closely linked and in
some cases, spring from causes such as improper L and R camera settings,
electronic equipment errors (e.g., bad cables).
4.6.2.20 Solution: Correct
If the frame lag is a whole number (i.e., it is one or more full frames of L/R
synchronization), then re-sync L and R. If the lag is a fractional part of a
frame, then you may need to re-time L and/or R. In the worst cases, you
may need to convert a shot taking the best eye.
PROCESS
FACTORS
INPUT/
OUTPUT
How does team handle imagery and
metadata from other workflows?
How does team calibrate tools?
CALIBRATION
How does team see the show in
3D and 2D?
VIEWING
TECHNIQUES
How does team evaluate work in progress?
ANALYSIS
GRADING/
CORRECTION
How does team make changes to
geometry?
How does team integrate current
geometry into the show master?
QUALITY
CONTROL
Figure 4.13 Key questions the geometry team can ask about techniques for each
process area in geometry workl ows.
 
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