Mark Tamea

I've been playing with Max for a couple of years, mainly using it to process sound.

Now I'm busy planning an art show which I'm setting up in December and I'm to move with Max into visual territory. My idea is to build a huge back-projected screen and try to use difference detection as a way to mix between two video channels.

My initial inspiration was this tutorial: 

https://www.youtube.com/watch?v=sNr--9LO72k.

 The tutorial shows how to build a 'video reverb' which is the closest I have come to understanding the concepts I imagine.

Basically I want to beam a video onto the screen while a camera watches the space in front of the screen. If the camera detects motion from a spectator (difference) it will use that data as an 'overlay' to mix a second video signal into the original.

I don't really have a deep understanding of Jitter yet - and I'm looking for any help in terms of resources or advice which would point me in the right direction.

Currently I feel like I'm stumbling around in the dark without a compass. :)

Hello All,
I've been playing with Max for a couple of years, mainly using it to process sound.
Now I'm busy planning an art show which I'm setting up in December and I'm to move with Max into visual territory. My idea is to build a huge back-projected screen and try to use difference detection as a way to mix between two video channels.
My initial inspiration was this tutorial: https://www.youtube.com/watch?v=sNr--9LO72k. The tutorial shows how to build a 'video reverb' which is the closest I have come to understanding the concepts I imagine.
Basically I want to beam a video onto the screen while a camera watches the space in front of the screen. If the camera detects motion from a spectator (difference) it will use that data as an 'overlay' to mix a second video signal into the original.
I don't really have a deep understanding of Jitter yet - and I'm looking for any help in terms of resources or advice which would point me in the right direction.
Currently I feel like I'm stumbling around in the dark without a compass.   :)
Many thanks - Mark


video-mixing-using-difference-detection

There are many ways to do this. Here's something to get you started.

There are many ways to do this.  Here's something to get you started.


Thank you Jesse - I have this running here. I'll spend some time figuring out the patch and see what I can do with it.

Jitter is new to me, but I'll see what I can make of it. It's always good to learn!

I'll let you know how it goes - many thanks for the starter!

Thank you Jesse - I have this running here. I'll spend some time figuring out the patch and see what I can do with it.
Jitter is new to me, but I'll see what I can make of it. It's always good to learn!
I'll let you know how it goes - many thanks for the starter!
Friendly greetings - Mark


Video mixing using difference detection