UM:Dvo Effects Dvo Frame

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DVO Frame
From Release : 2017.1

DVO Frame is an advanced frame reconstruction tool that reconstructs missing or badly damaged frames using the DVO Twister algorithm.

DVO Frame main settings.

The Enable button enables the entire effect :

Dvo frame enable.png

Data Mode

Dvo frame datamode.png

The DVO Frame effect can work in both Log and Linear space.

Values Linear, Log
Default Linear

It is important to set the Data Mode correctly for your source media.

Frame Replacement Scenarios

The following scenarios are most common :

Missing or Damaged at Start
Missing or damaged frames at the start of a sequence : The tool use the first good frame of the clip and use this as a start frame. It will then calculate the missing frames until the second good frame of the clip :
Dvo frame missing at start.png Dvo frame missing at start result.png
Missing or Damaged in the Middle
Missing or damaged frames in the middle of a sequence : Tool will replace the marked frames with new content based on the last not marked and the first not marked frame :
Dvo frame missing in middle.png Dvo frame missing in middle result.png
Missing or Damaged at the End
Missing or damaged frames at the end of a sequence : The tool uses the last good frame of the clip as the end frame. It will then calculate the missing frames between this and the second last good frame of the clip.
Dvo frame missing at end.png Dvo frame missing at end result.png

For the start and end frames, there will be an slight change of the temporal speed that can be noticed in scenes with high motion.

Settings

These are the definitions of the various processing modes, including fallback modes.

Refill

Dvo frame refill.png

If enabled, the current frame (where play head is parked) will be reconstructed.

A maximum of 6 sequential frames can be used but multiple refill sections can be used per clip.

Default Off
Stepped Keyframe Range

Dvo frame refill range slider.png

Using Refill will also enable a sliding range over the processed frames. The range can be stretched by dragging the sliders.

Motion Mode

Dvo frame motion mode.png

Motion Compensated Use motion compensation. This allows the accurate recreation of fields and frames using the Digital Vision Phame motion vector algorithms. DEFAULT
Interpolated A simpler method that recreates correct target fields and frames by careful mixing of the input source. This method will often produce a lower quality result than the motion compensated approach. Try this is if Motion Compensation does not work well.
Nearest No processing other than skipping or repeating frames to output the same clip duration.
Fallback

Dvo frame fallback.png

This determines how images that are found unsafe in the Motion Mode should be processed in the target format.

Interpolated As Motion Mode DEFAULT
Nearest As Motion Mode
Motion

Dvo frame motion.png

Motion sets up the motion analysis and its thresholds.

This only has an effect when Motion Mode is set to Motion Compensated.

Range

Range affects how motion is detected.

A larger mode can help with fast motion and larger images.

Values Normal, Large, X-Large
Default Normal
Smoothness

Smoothness affects how the thresholds between Motion Mode and Fallback are managed to achieve a preferred blend.

Range 0.0 - 1.0
Default 0.1

DVO Twister can also be used to smooth the motion. If the start or end has high motion, export some more frames and use DVO Twister to do a frame conversion so that the speed change will be less noticeable.

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