A film made up of nothing but photos? That sounds boring at first. Or boring. 2.5D and parallax are the secret how to animate photos and create extremely attractive videos from still images, which can compete with any image video and product video.
Of course, you can drag photos into a timeline during editing and create an animated slide show from them. But that is not what we are talking about here! This article will show you how to create highly attractive videos from photos.
You gotta know that:
- Input equals output. Regardless of how brilliantly you implement the tips and tricks from this article, no great film can be made from unsatisfactory photos.
- Film and video always means movement. That’s why you can’t avoid this fact when using photos as source material – but you make the image movements differently.
- Professionals talk about 2.5D and parallax. The resulting kind of film is also known under the technical term kinestasis.
Why animate photos?
There are many reasons to want to create an image video or product film as photos. Be it because photos are already available or, as with historical pictures, there are no video recordings.
Example for photo animation
Or because your client needs high-quality photos for his purposes in the end, which is usually not possible with video recordings. Not for technical reasons, but because the staging of a video is different from a photo.
Because unlike with film, a photographer can concentrate on a single image – whereas with film, motion sequences almost always dominate. If you don’t want movement, you can also hang a photo in a frame on the wall.
Software and expertise as a prerequisite
The tips and tricks described below require two things
- First, software for digital image processing, such as that available from Adobe.
- Second, user skills that the average photographer or video editor usually already has.
In particular, you should have an in-depth basic knowledge of Photoshop and Adobe After Effects.
How to animate photos: The basic principle
Man lives and moves in three-dimensional space. This fact is already taken into account by moving pictures in 2-D. They do not show the depth of space in the intensity of a film shot in 3D. But already a two-dimensional shot, in which the camera is not static, shows spatiality.
With every camera movement, the foreground, middle ground and background of an image shift differently. If the camera passes a person, the background shifts much more slowly than the person in the foreground. A similar situation occurs with a camera movement towards an actor.
Different tempos of background and foreground:
It therefore follows that if this “displacement effect” can be simulated by digital image processing, a photo suddenly becomes a film-like image.
Photographic source material requirements for 2.5D
A photo with at least as many pixels as the final format planned for your video as a basis for the next steps must be a matter of course for you. You have to keep in mind that you might also want to zoom into the picture. Without an appropriate image resolution this is not possible. As a rule of thumb: a photo that you want to make a video from can never be big enough.
No less important is the composition of the image. From a “flat” photo, by that I mean one where the foreground and background are simply not present, you should keep your hands off. Nothing good can ever come out of nothing.
The easiest way to do this is to draw the vanishing lines directly into the photo before you start editing with guides (or by hand on a printout of the photo). Imagine that the photo has been taken in a corridor. Which is the frontmost point? What in the image would be at the very back? This way you can immediately see how much the depth planes differ.
Of course the image content must match your film. Not a bit, but just as if you were dealing with a real film shot. This also includes the questions whether the picture can be divided into enough settings. And whether the image content is rich enough to be told in a film.
- If you only have photos available that are not convincing in terms of perspective or whose image content can be explained in a split second, it is better not to try to create a video from these photos.
- Even still images where you can see right from the start that the layers will never be able to separate properly later on, for example because of blurred edges, are not suitable for photo animation.
Animate photos: 2.5D and the parallax effect
The parallax effect experienced its first heyday in video games. After all, it was and still is all about providing the player with an experience as close to reality as possible in real time. This requires computer-generated images with depth effect. In order to make optimal use of the computing power of the graphics cards, the so-called 2.5D principle was invented. Its name derives from the fact that the effect achieved in this way may not look completely like a 3-D image, but it comes close to it.
Videos from photos use the same principle. However, unlike in video games, the image layers do not already exist separately as digital animation, so they must first be extracted from the photo.
To do this, you simply cut the foreground from a photo and create a separate layer from it. The easiest way to do this is to first split a high-resolution photo into the desired layers in Photoshop and then animate them in Adobe After Effects.
Video tutorial (here with the complete editing in Photoshop)
If you like, you can go one step further and split the photo into more than just foreground and background. The more layers, the greater and more realistic is the depth effect achieved with the digitally applied later movement.
Of course, this only works if you always and strictly align the image layers with the vanishing point. What is in the foreground of the image never belongs in the background. Otherwise you will get an extremely irritating picture, which can only serve as an illustration of states of intoxication.
Also clear: if you don’t separate the layers neatly, either because you don’t have the time or the knowledge, you destroy the illusion.
Integrate photos into a video: tips and tricks
It is also important to note that no “holes” are visible in the background during digital camera movements. By this I mean areas from which you have cut out the foreground and which now suddenly become visible by moving the layers.
Here, too, the professional implementation differs from the narrow-gauge filmmaker: A skilled motion designer will not only retouch these blank areas in no time, he will already pay attention to this problem when selecting the image.
Limitations and limitations on the animation of photos in videos
Unlike video recording, the length of a shot is limited when converting still images to video using parallax effect. This is simply because the different layers cannot be moved endlessly.
This is why many videos with animated photos and 2.5D effect use slow motion slowdown. On the one hand, this reduces the number of settings (photos) that need to be edited for a video. On the other hand, elaborately post-produced shots thus receive more screen time. This improves the price-performance ratio.
Animate photos: Differentiation from the Ken Burns effect
The parallax effect is regularly confused with the at least as famous Ken Burns principle. Nevertheless, they are two fundamentally different ways of bringing movement into static photos for videos!
Kenneth Lauren “Ken” Burns (* 1953) is an American filmmaker. For his documentaries he has been nominated for several Emmy Awards and two Oscars. Three of these film awards are now at his home.
For his documentaries, Ken Burns sought a simple way to incorporate historical paintings and photographs into his films. His solution is as simple as it is inexpensive – and made him famous. Burns simply had the camera pan over the picture or move towards or away from it.
Ken Burns explains how he uses photos in video for the montage
What is masterful about this is not the fact that he uses the long familiar cinematic stylistic device of panning and tracking shots. It’s the way Ken Burns guides the viewer’s eye.
The decisive criterion for the application of the Ken Burns effect is a photograph whose content is suitable for sequential narration. Where the viewer can see all the information in the picture at first glance, the effect is narrative and comes to nothing.
The basic difference to the parallax effect is that there is no need to edit a photo digitally. Setting keyframes in Adobe After Effects or similar software is sufficient. Some free programs for video production now even automatically superimpose the Ken Burns effect over still images.
And one last note for fans of precise film craft and crystal-clear definitions of technical terms:
A digitally obtained tracking shot (commonly called a zoom) is NOT the same as a tracking shot. The only exception is the drive towards a photo or painting. In this case the drive is a zoom. Therefore, there is no reason to rotate it outside of digital image processing.
Videos from photos: difference to Cinemagraphs
Cinemagraphs (cinema diagrams) can also be created from suitable photos. In this case they are a special form of photo animation for video.
However, their creation is even more demanding. This is because a cinemagram is by definition an endless loop.
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