Time-Based Image Averaging

Imagine watching a time-lapse video covering more than a century that shows the evolution of a landscape, a magazine cover, trends in fashion, or automobile design.  Or picture the same thing being done with the face of a politician or celebrity from youth to old age, or with artistic trends in painting spanning a millennium…

Improvements in Face Averaging

The historical face-averaging experiments I’ve been blogging about here for the past couple years have depended on efficient, decent-quality methods of averaging faces in the first place.  I’ve recently figured out some ways to improve my results and streamline the process of getting them, and in this post I’d like to describe my latest revised…

Long-Term Time Lapses in 3D

In my last post, I described how to create decent long-term time-lapse stills and animations from photographs taken with an ordinary handheld camera.  Now I’d like to ratchet things up a notch by extending the same techniques into 3D: taking pairs of photographs repeatedly from the same horizontally separated spots day after day, auto-aligning them…

Averaging Time-Lapse Imagery

Lately I’ve been creating some long-term time-lapse stills and animations out of photos I’ve taken with an ordinary handheld camera.  In this post, I’ll explain what I’ve been doing to try to get decent-looking results.  I’ll also share a Photoshop script I cobbled together to automate much of the process, which would otherwise be prohibitively…