Tracking Clone Stamp RELATIVE to Motion Tracking Position

Question

Hi everyone! I am editing a macro shot of a prop that is suspended by a fishing wire. The wire is tied around the prop and I need to remove it. I cloned out the wire and it looks great, but now I need to animate the clone stamps (there are 18) to follow a pretty straightforward pan. There are no tracking markers or anything like that, but I managed to track it somewhat - it lost it over time, but I fixed it manually. The tracking point and the location of the clone stamps are in different parts of the image. I think what I need to do is apply the tracking data to both the Clone Position and also the Position attributes of each clone stamp, but every time I try to do this, it moves the clone stamp to the location of the tracking point. I'm guessing there has to be a way to do this, but I can't find any answers for this kind of case scenario - all the videos I have found focus on clone stamping on top of the tracker. I tracked it in AE, not mocha, but I can certainly do that - I just have no idea how to make this happen and I have to do this a LOT more over the course of this project. If anyone could point me in the right direction, I would appreciate it. Thanks!

Roei Tzoref · Accepted Answer

O.K. actually in this case because of all the light shifting, cloning is a nice option. I normally do this differently but for practice sake let's go for it.

first thing you should do is stabilize the shot. I tracked this attach point. you could find better.

once it's stabilized, I pre-comp the stabilized shot ->move all attributes

here I will do my cloning

once I pick my clone tool and click twice on my pre-comp, I can clone stamp what I need. make sure you got "lock source time" OFF.

these are my settings:

(never mind the "offset" parameter - it is set from where I picked my source point).

when I finish my clone stamping, it looks like this:

now I duplicate my layer once. set the duplicate that's on top to "on transparent" in the paint effect (it will use the layer below as a source). I will remove the effect from the layer below. like this:

let's give them names so it will be easier to understand what's going on. Clone for the clone on transparent, source for it's source layer

now hear this - I am going to duplicate the source layer once more

- and put it below the original source layer like this

I will change it's name to background. almost done! now I have to reintroduce the motion... I need a null for that, I create my null, expose it's position

I will take the anchor point position from my stabilized precomp (reminder - they are all the same so just click one of the precomps twice)

Copy

Paste

connect my layers to the null

Magic time - set collapse to the background layer

enjoy my achievement in the field of clone stamping

We did it! Native all the way and even without expressions

Roei Tzoref · Answer

I cloned out the wire and it looks great, but now I need to animate the clone stamps (there are 18) to follow a pretty straightforward pan. it's very important to establish the right roto workflow that is fit to the task even before you start cleaning it up. personally I almost never use the clone brush tool for replacing or cleaning my footage. let's start by first seeing the footage - this will help us suggest a course of action which could involve clone stamp but more often this is not the case. please upload a sample of your footage via any legit cloud service so we can take a look what you have there.

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