timelapse

How can I quantify difference between two images?

Here's what I would like to do: I'm taking pictures with a webcam at regular intervals. Sort of like a time lapse thing. However, if nothing has really changed, that is, the picture pretty much looks the same, I don't want to store the latest snapshot. I imagine there's some way of quantifying the difference, and I would have to empi...

Javascript timelapse-effect: displaying 30 images/second (read for more detail)

Hello! I have a client who has made a 'Visual Diary' of photographs that he took once a day for 365 days, for his portfolio site. He wants me to put these together into a time-lapse effect piece. I thought about using Flash but in the end opted for JavaScript. What needs to happen is this: The images cycle really really quickly with no...