Colour Window on BW bkgrnd

[andreasm]

i there,
I am trying to copy this effect for a wedding. http://www.barwickmultimedia.com.au/video/premium02.wmv. The problem I am having is creating the white border around the matte. I may be totally on the wrong track but what I have done so far:
V1- BW copy of the clip - Composite luma.
V2- Boris Vector shape.
V3- Original clip.

I have tried the border feature on the Vector shape but can't seem to get my head to make it work, It just increases the matte area by the thickness of the border.

 

[bbalser]

Ok, this is just off the top of my head. I know I've done similar but using Composite Modes to do it faster, but it's been awhile. So, just a quicky off the top of my head, here's what I'd do.

First, I'd put my original color copy on V1 and add a desaturate filter to it.

Then I'd go into my generators and drop a Boris Vector Shape to make my border and drop it into V3. Set your border to be a slightly off white to avoid interlace jitters. I use the crayon selection option and use the white crayon just above the pure white crayon. In the end, it looks like real white, but won't jitter. Adjust your border thickness, etc.

Next, add a Color Key to the Vector Shape clip, use the eye dropper to select the white color inside the border, Tolerance to 10, everything else to 0.

Then I'd put a copy of what's on V1 into V2, but without the desaturation filter.

Go to the first frame, double click the generator clip in V2 to open it in the Viewer, then keyframe your border on V2 with the Shape settings in the Controls tab in the Viewer. You could use the Distortion controls in the Motion tab, but this way is faster and easier to control. I just tested it and it gives smoother motion, too.

Now you need to make sure Image+Wireframe is enabled in the Canvas window. This will let you use the Crop tool inside the Canvas window, making keyframing much easier and faster.

Without moving the playhead, highlight V3 in your Timeline (so it's wireframe is active in the Canvas window), use the Crop tool ("c") to crop V3 inside the border.

Then I'd go to the end of that section, meaning, the last frame before it has to move, keyframe both tracks again, not changing anything, then go to where the movement stops, re-keyframe.

I'd probably go through and keyframe the border first, the go back and keyframe the croping on V3 after.

Another neat trick would be to use the Border Begin and/or Border End controls in the Vector Shape clip to animate it drawing itself around just as I'd put a cross fade on the color clip. That way, the BW footage starts, the border draws as the color space inside it fades in. Just an idea.

There's another way to do this using a Matte you generate in Photoshop, but I think this way is much faster and gives you more control.

Hope this helps!