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Over the past months, I have created 5 videos with holograms and generated over 200K impressions and 7000 engagements across various social platforms. In this article, I am going to share the techniques, tools, and creative tips I used so that you can start creating holograms right now.
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After you launch the app you will find some recommendations from the developers on how to best record your hologram. I strongly suggest you start from there. Let me now share some "technical info" before we go into analyzing each of the videos I made:
You can record maximum 5 seconds of "hologram footage". This might sound quite short... and it actually is ?. It is consequently very important to use the time wisely and have a clear idea of how you are going to use the hologram the moment you start recording. The recording of the hologram will loop. This means that you can record longer videos, and that within that recording the hologram will loop every 5 seconds. You can export the footage (not the hologram itself) and edit and compose the video in post-production however you like. Moving the camera away from the hologram will not stop the looping animation.
The most important thing is to have the hologram stand out by somehow "breaking" conventions in unexpected ways. It is especially important to do this within the first 3 seconds of the video since this is roughly the time you will have to grab people's attention and entice them to watch the remainder of the video. One way of doing that is to pose next to your own hologram by making a double of yourself. Scaling the hologram much bigger or much smaller is also another way of achieving a similar result. Another important aspect is "looping". If you want to "hypnotize" the viewer a carefully orchestrated loop can really make a huge difference. Last but not least you need to have a story to tell. This is not done exclusively with the video and an interesting or provocative caption can help you "fill in the blanks" or prompt a specific call to action that resonates with the content. Below you will find the link to each of the original posts and an explanation of how each video was created.
I got my hands on Volu 6 months ago and I was trying to find a relevant story for my first video. When the postman rang the door and handed me over the newly released Vive focus 3 I knew that was it ?! I sat on a table, asked my wife to record me while thinking and dangling my feet mid-air. I was not sure Volu would be able to record the hologram of someone sitting but it did work! As previously mentioned the fact that the hologram was scaled relatively small compared to the box AND the looping of the movement really did the trick in my opinion.
The monitor: what you see in the monitor is a Mixed reality capture of me creating in Tvori ( a PC VR tool). I found a suitable section within the longer video (that you can find in its entirety here) and played it in a loop on the monitor using VLC as the video player.
There is also more going on that I think made this video so sticky. As you can see, the camera pans away from the monitor and builds up on that level of unexpectedness: from a mixed reality video, to the tiny hologram who "controls" the action, to the real me who acts confused ?.
This is a more recent series of 3 videos I made to promote the launch of ShapesXR on the Oculus store. ShapesXR is a collaborative tool that runs on a Virtual Reality headset like the Meta Quest to design and prototype in Virtual reality. I thought it would be fun to make some content after the launch where my hologram would taunt me in various ways reminding me to try it out.
In the first video, I wanted to experiment with the illusion of the tiny hologram actually interacting with the real world. In order to do that I recorded myself kicking mid-air and then framed a shot of me laying on the bed under an Oculus Quest precariously positioned on a shelf. I then tied a fishing line to the headset that I wrapped around the headrest and held with my left hand (out of frame). In this video, the person holding the iPhone had undoubtedly the hardest job. My wife had to give me a hint when the hologram kicked the headset so that I could pull the string. She then moved the camera for exactly 5 seconds. This was enough time to allow me to grab the headset and put it back in place (while the hologram was looping out of frame) and consequently "reset" the shot to its starting position...more or less. Of course, the loop is far from perfect but believable enough.
The second video was even harder to time (and not sure completely worth it). To record the hologram and give the impression I was disappearing behind something, I hid behind a wall, did a couple of swipes, and then disappeared back behind the surface again... all within 5 seconds. I then used the screen capture on my phone to give the illusion the hologram would actually swipe on the screen. Finally, I positioned the phone vertically on my desk, aligned the hologram and made sure I had the camera pointed at my phone away from the hologram that was looping for 5 seconds.
The third video was certainly the easiest to make but not necessarily any worse. I played again with the idea of the disappearing hologram. I stepped on top of a table, did my thing and then I jumped and kneeled under the table. I then used Volu to position the hologram on top of the headset and give the illusion of diving in it.
Play with scale and position the hologram in weird or unexpected places Find new ways to have the hologram "interact" with the real world. Use prerecorded/looping screens or helpers out of frame to sell the illusion. Get creative with loops and remember that you can always get the hologram out of frame to give you more creative and storytelling freedom.
I would like to end up saying this might sound "advanced" but it is actually just scratching the surface of what is possible. There are so many more possibilities that I still have to experiment with:
Holograms can be "superpowered" by special effects Volu apparently recognizes the ceiling also as a surface.... so why not have a hologram hanging upside down? Given that it is super easy to export multiple videos it should be possible to create a composition whit 2 or 3 holograms in the same video (you just need to have the device steady on a tripod when you are recording)
I hope you got some nice ideas. Feel free to tag me on your own video, it would be a pleasure to see what you have made. If you want to stay tuned with more accessible creative content and hacks around AR and VR feel free to follow me here or on Twitter.
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In recent decades, holographic technology has made significant progress with the development of novel hologram generation methods and three-dimensional rendering devices. Nevertheless, the substantial size of holographic data presents a significant challenge to its practical applications and thus necessitates the implementation of an efficient coding solution. In this study, we evaluate the efficiency of various coding tools within the state-of-the-art video coding standard, Versatile Video Coding, for encoding video of computer-generated phase-only hologram. Specifically, we examine the coding performance of transform/in-loop filter/screen-content coding tools. Through extensive encoding experiments and various statistical analyses, we investigated the limitations of existing standard codecs that do not account for the unique signal characteristics of phase-only holograms (POHs). The effects of coding artifacts on the visual quality of numerical reconstructions rendered from compressed POHs are also analyzed in detail. These comprehensive performance evaluations will provide valuable insights for developing efficient coding strategies for POH videos.
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A color-tunable novel-look-up-table (CT-NLUT) for fast one-step calculation of full-color computer-generated holograms is proposed. The proposed method is composed of four principal fringe patterns (PFPs) such as a baseline, a depth-compensating and two color-compensating PFPs. CGH patterns for one color are calculated by combined use of baseline-PFP and depth-compensating-PFP and from them, those for two other colors are generated by being multiplied by the corresponding color-compensating-PFPs. color-compensating-PFPs compensate for differences in the wavelength between two colors based on their unique achromatic thin-lens properties, enabling transformation of one-color CGH pattern into those for other colors. This color-conversion property of the proposed method enables simultaneous generation of full color-CGH patterns, resulting in a significant reduction of the full color-CGH calculation time. Experimental results with test scenario show that the full color-CGH calculation time of the proposed CT-NLUT has been reduced by 45.10%, compared to the conventional NLUT. It has been further reduced by 96.01% when a data compression algorithm, called temporal redundancy-based NLUT, was used together, which means 25-fold reduction of its full color-CGH calculation time. Successful computational and optical reconstructions of full color-CGH patterns confirm the feasibility of the proposed method. 152ee80cbc
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