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What is CustomTrack (used with AutoCrop) in Kamua and how do I use it?

Custom track 2

☕️ TL;DR – When resizing a video to a new Aspect Ratio using AutoCrop, CustomTrack allows you to select and track specific objects, to keep them in frame.

Heads Up: This is an intermediate feature set and it only works if you have AutoCrop already turned on for the Project or for the Clip in question. Make sure you know about AutoCrop before taking this on.

In this article, you will learn;

When should I use CustomTrack in Kamua?

You may want to use CustomTrack for a number of reasons. Here are some examples;

  • If you have multiple subjects (or objects or regions) in your video, you may want to CustomTrack a different subject (or object or region) to the one AutoCrop has selected.
  • You may want to CustomTrack something else in the video that is not necessarily the main subject, for instance a logo or text.
  • If a subject, object or region is too large to fit inside the Crop Box, you can CustomTrack exactly which part of the subject you want to keep in frame.
  • You can also use CustomTrack to refine what AutoCrop has already done for you automatically.

 Pro Tip: If you are in a hurry, you may wish to run AutoCrop first on all of your Clips in the Timeline by hitting Draft Render. Then, you can use CustomTrack just to fine tune the Clips where the AI didn’t track what you wanted or where you want to track something or someone different.

How do I use CustomTrack in Kamua?

  1. Add your Clip to the Timeline.
  2. Set your Aspect Ratio.
  3. Enable AutoCrop. You will notice that the
    Track custom object  option has appeared underneath. 
  4. Click The Track  button. You will see the playhead has now gone to the beginning of your Clip. Use the Exit Custom Track button in 
    purple zone to cancel.
  5. In the Preview Window, click and drag a box around the person or object you want to CustomTrack.
        

    If you need to track a person’s face (because AutoCrop selected other parts the body  by default), we recommend selecting just the eyes and nose with the CustomTrack Box.

  6. The Track  button will now be replaced with two new options:
    1.  – Apply changes to the CustomTrack Box – Click this to apply the CustomTrack 
    2.     – Delete CustomTrack Box – Click this to delete the selection and revert back to
  7. After setting your CustomTrack box and clicking the  icon, you will need to click  to process the CustomTrack changes and make those changes viewable in the Preview Window. 

Heads Up: CustomTrack will only select one subject, object or region per Clip, and sometimes it loses track of exactly what you want. So, this means sometimes you will have to pause the Clip, then Split the Clip where CustomTrack loses the tracking, and then use CustomTrack again on the next Clip you just created after the Split.

 Pro Tip: While the CustomTrack is processing, you can carry on working on other clips in your timeline. Use the  or  icons in the Preview Window to quickly navigate to them.

When should I split a Clip when using CustomTrack?

Sometimes, you may need to CustomTrack a person or object that is not visible at the beginning of the Clip.

If this is the case, simply navigate to the part of the Clip where the object or person becomes visible, and use the  icon on the Playhead to split the Clip from there.

Can I KeyFrame with Custom Track?

Once you have added CustomTracking to a Clip, KeyFraming works in exactly the same way as it

 does with AutoCrop. Check the article, KeyFraming with AutoCrop, to learn how.

 

 

 

 

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