Motion Extraction 

You could've made this a plug in and charged €89 for it, but you just told us how to do it for nothing. Fantastic work as always.

This video is both a tutorial, a demonstration, and a work of art. Bravo.

'And just like that, seven minutes go by.' Those effects were mesmerizing. What a great seven minutes indeed.

I was left in utter shock watching this video, totally speechless but then 6:55 happened and it brought me back

I think your editing and your narration on top of this “motion extraction” is what made this video really great.

Nicely done! Thanks for sharing how to do the effect. There's a paper from some years ago that used motion analyzed footage from high frame rate cameras to extract audio from the video of resonating objects. Seems like this method might simplify DIYing that process. There's also software that amplifies motion to detect unwanted vibrations and loose connections in machinery. That would be really useful for home auto and appliance repair. This might get the job done for that purpose as is. Maybe you could sweep through camera shutter speed in the footage to detect particular vibration frequencies, doubling this method with a stroboscopic effect.

Guy talking about his latest breakthrough in a serene voice while showing you the impressive results is my favorite genre of video

*"And ofcourse you could also use color, if you're into that kinda thing"* 05:48 * Blows my mind

I did _exactly_ this about 25 years ago ! This was before progressive footage was widespread, back then I was looking for a way to de-interlace interlaced (50i PAL) footage, but I didn't want to lose too much vertical resolution, so I ended up extracting the motion, using that as a matte so I could de-interlace the moving parts of the image (where interlacing showed the most) and leave the more static areas (where interlacing isn't visible) at full resolution, it worked pretty well !

As a compositor I have used motion extraction often for separating parts of an image or removing snow/rain. I never really tried to use it as it's own effect in such an artistic way. So cool!

As an amateur video editor I really appreciated this video. Not only did this unlock a whole new world of creativity, it was also quite beautiful. Thank you.

I laughed out loud when you said, "And just like that, 7 minutes go by!" This is an amazing contribution!

You just blew my mind, I'm a graphic designer and I worked on video footage a lot, even composing abstract video clip for music artists and other projects. I've never seen something like this. This will for sure inspire me for the future compositing and video projects, thank you !

This should definitely be one of your top videos, it could inspire so many art projects

Math explanation! You have managed to calculate the approximate time derivative of your video in one efficient step! Your video is a signal f(t), adding the inverse to it gets you f(t) - f(t), then shifting the additional part gives you f(t) - f(t + dt) for a small time change dt. This expression is proportional to the first derivative in time, which corresponds to first-order change, i.e. things that have a "velocity" in the video. By changing the time shift, you are effectively looking at different scaling of the first derivative. Really great stuff.

Videos like this will help so many people have a wider perception towards how not only is video the medium most art is made through but it can also show us details we can’t see ourselves

I always loved posy's videos. They're just masterpieces.

This is the only channel that can bring back that childlike wonder and amazement Vsauce videos used to make me feel as a kid

I have never once been interested in photography or videography but this is one of the most interesting things I have seen in months. The ability to spot that deer is really what hit me, it's application can be both useful in that way, or beautiful if used like the rain drops one nearer the beginning

I don't know much at all about video production, cameras, photography, or editing but in 7 minutes, you've made my brain create hundreds of ideas. Bravo, an excellent piece of art and an informative video.

the windmill shot at 5:41 blew me away. incredible work, and thank you for sharing!

Excellent! This reminds me of the "motion amplification" process, that is used to survey the mechanical vibrations. By changing the framerate of the recorded footage, the surveyor can tune in on the resonant frequency of the device/structure, and then the motion amplification visually amplifies the movement, usually completely imperceptible by a naked eye. This allows to see the wobble that will in time damage the components, or even whole buildings - and prevent that by highlighting the areas that need attention/fixing.

I feel like the magical energy of the world has been captured. This is so calming and beautiful

I was already enthralled by the effect but the aplication at 2:52 completely blew my mind. You're truly one of the most ingenious creators in this platform. Love to see your work

Its absolutely criminal that you don't have more subscribers. This was sublime.

This channel is a hidden gem of youtube.

This is incredible but I am still lost a little at how you isolate the motion and colors so well. Could you show how you do this in more detail? I want to use this in “haunted” locations

I love this. Thank you for genuinely great content with zero fluff and zero clickbait!

You took a very simple thing, that a lot of editors have probably played with at one point or another, but then went to the moon and back with it. Absolutely love the results.

The fact that you don’t use stock footage in these videos is simply mid blowing you most definitely should have more subscribers

You’re easily one of my favorite creators I’ve ever come across on RU-vid. Each of your videos is fascinating and unique. I come back to rewatch frequently and am ecstatic whenever you post. Thank you so much for all the time and effort you put into your work :)

this is amazing yet so simple to do. edit: make sure to use linear light blend mode if in premiere pro

i feel pity for all the people who still didn't discover this amazing gem of a channel.

It's incredible how consistent the quality of your work is, i love this channel and helping me look at graphic design and interprétation differently

Wow, this has to be one of the most amazing things I've seen for taking normal footage and making it like Art. The effect can teach you what changes are relevant to express motion. Thankyou!

So amazing how you combine art, science and playfulness, and something enjoyable comes out! Keep up the good work! :)

I said it before and I'll say it again - The most mesmerising channel on YT! The knowledge and versatility forged into bitesize chunks which will inspire and encourage you to try and look differently on things around. This process was impossible to replicate from Steve Mould's video, Posy on the other hand - 4 steps! Duplicate, Invert, Shift, Change opacity to 50% - as simple as that. And the quality of his footage - absolutely new level. I want to see this on trending as I saw the LCD Display video which made me watch every content of his in one go. Absolute legend!

I can't even describe what your videos do to my brain but it feels cosy and satisfying. Your childish humour and all your content is so refreshing. Reminds me of the wonders of exploring the world through children's eyes. Cosy-Posy

Truly beautiful stuff, this video brought me more genuine joy than anything I've seen on RU-vid in a long time

Awesome demonstration! That principle is used in most video coding algorithms and called DPCM (in interframe codecs). So only the moving parts of the image have to be encoded while the still parts are only encoded in certain intervals. Together with motion prediction it saves a ton of bandwidth at the cost of higher codec complexity and latency. H.246, MPEG4, HEVC or VP9 are just a few examples here.

I can't believe I never thought to do this! Those black backgrounds on particles like pollen, bugs, rain, snow, ect. are perfect for compositing, it's insane to me that I never thought to do something like this to extract those particles. I do it the hard way and simulate them with CG!

This is truly one of my most favourite videos on RU-vid and I love to come back from time to time to enjoy this pearl

This video is absolutely incredible. The shot composition, the soundtrack; it evokes something. And on top of that you just taught me to do one of the coolest video tricks I've seen in quite a while.

I've said it before but you are genuinely one of if not the best creator on RU-vid. No other creator gives me such big feelings the way your visuals and music have. You are a massive inspiration. I appreciate your hyperfocus on the little things and it makes me feel a little less alone. Thank you for sharing this stuff with us

This is actually really cool for making particle effects, for example with the fireflies. You can overlay it on something else with a additive effect

Can't even begin to describe what this video made feel.... It's just amazing.... We are nothing but a constant state of change, and I find that so beautiful.

This channel has Top Quality content. Your videos are genuine works of art, and very informative too. I saw several others about LCD displays and they are awesome. And this new one feels just MAGIC. Bless you, man. 💎

Truly fascinating. My jaw dropped when you started shifting the color channels! This is such a well made video. The shots, compositions, effects, music, narration, the creativity. Incredible. Thank you for making this!

you can also just use the difference blend mode at 100% opacity. I use this all the time, it's great for lining things up in space and time

This is insane. What a gem of a channel. I will be using this technique for understanding motion in animation, especially ambience. Thank you

This video is a masterwork. Visuals and sounds, the whole world melted away. I was entranced in the motion of small things.

Imagine the world if everyone put this much love, effort and ability into their work with a sprinkle of talent

I just discovered your channel, and you have become one of my all time fav creators. Such a high quality and effort stuff you make, my respects!

This is the most beautiful and unique concept I think I’ve ever seen honestly

Fantastic video! The technique you've shown for isolating the moving parts in a video has several practical applications, including in the field of video compression. In many compression algorithms, the focus is on capturing the differences between consecutive frames. This approach ensures that only the changing elements in each frame are stored, leading to more efficient data usage. What's particularly fascinating is the evolution of these algorithms. While early methods relied on basic difference extraction, modern algorithms employ sophisticated prediction techniques. These advanced methods not only identify changes but also predict them, leading to significantly more efficient compression. This evolution marks a remarkable progression in our ability to handle video data more effectively. Great work demonstrating this concept!

This effect is awesome, and some of those shots are breathtaking even before it was applied. The quality of your videos continues to amaze me.

I love this so much! Changes the way I look at things. The waves and water, small things, add to the larger whole of life is beautiful. Thanks for sharing your process and view of the world with us! Love the clouds of color.

Excellent vibes - instantly subbed! The wooden example and the rainbow glimmer amongst color footage was sublime - something straight out of Annihilation

this is one of the most fascinating effects I've ever seen and I can't believe I can just replicate it myself for free because you told it to me rather than sold it to me

Some videos shouldn't stop. Brilliant subject with quite intriguing visuals as always! Awesome!

This is one of the most beautiful videos I've ever seen. The video, the music, the voice... and it's even educational. Masterpiece!

Classic Posy. Needs to add a disclaimer saying it's not stock footage because the footage is so good; it's hard to believe he took it. He knows how competent he is. This footage is GORGEOUS.

Posy I'm so grateful that you document the destinations that your curiosity takes you. I've never seen better use made of a good video camera. Fantastic work as always 🎉

we need a full tutorial on this, incredible

Truely a blessing I found this video. This helps so much with creating 3D projects

Dude, your channel is amazing. I got recommended this video about a month ago and I've been going back through your videos. You've got a new sub.

You truly are an artist. I could just watch this on and on. The endless visual soundtrack to life. And it ends just like life often does. Exceptional observational skills.

Finding this absolutly incredible channel was one of the best things i have ever done, the professionalism behind this videos is just wow 😦

I have never been more enchanted by the simplest edit with imaging before. I've been into video editing for years but this really is divine.

the way you made an analogy between the visuals and the music at multiple points was impressive

This is amazing! Holy cow, it scratched itches in my brain that I didn't even know about! That was some amazing complex use of simple tools and I am blown away! Thank you! Thank you! The shots of the rain droplet ripples gave me goose bumps!

You make PERFECT videos. As always, I LOVE the music as well. I can see from your videos that you truly approach life with a curious and creative eye and each of your videos is very inspiring to me. You are my favorite creator on RU-vid, 100% thank you for all the effort that goes into making these. The passion shows!

Uhhhhh new skillset unlocked. I'm totally going to start making movies or offers shoots with this. This is a WHOLE new playground to push the limits with. Thank you so much for showing us this!

The best most unexpected videos and music, truly delightful

I've saved this to my favourites... This is ABSOLUTELY incredible. Thank you for your art and creativity!! I am so inspired now. There are so many beautiful ways to look at our world, I can't believe I hadn't thought of such a simple yet elegant way through image processing!

Posy your videos are always so incredible, thought provoking, and usually also a visual spectacle; thank you for what you do.

This actually really useful to check if a machine have a problem, like something moving when they shouldn't. VERY COOL EFFECT! Nicely done

This is actually amazing, an immediately jumps out to me as something that could be insanely practical for use in home security.

06:04 Aurora Borealis? At this time of year! At this time of day! In this part of the country! Localized entirely within that clearing?

Your videos are always so calming and informative, you deserve recognition for your fantastic work It's insane, it could have interesting applications if a program could do this live: hunting, tracking, etc.. It reminds me of this one video about motion amplifying cameras

This video is so beautiful and in awe to watch, every clip looks mesmerizing

Greatest channel on the platform. I’m stunned with every single upload.

This is very inspiring art! it's so simple but so versitile and you can probably make so much more stuff with it! Maybe a music video, maybe a movie, maybe just a compilation of cool clips! I'm really impressed that you keep finding these seemingly simple things and turn them into mindblowing experiences!

Very creative and beautiful video effects! I noticed that you can see this effect with your own eyes if you patiently sit very still and don't move your eyes for about 5 minutes. Then most of the visual field goes grey, except for moving things. Try it! I discovered it years ago while sitting on a hilltop and staring at a distant object, when I noticed I could see every ant moving in the dirt near me in my peripheral vision. (You have to resist the urge to move your eyes at that moment and just move the focus of your attention.) I would guess that some raptors use this to find rodents moving in the fields below.

the photography, editing, and sound design are beyond incredible

WOW ! That's one of the most mesmerising video I've seen I think! BEAUTIFUL

Phenomenal video!! When you split the RGB channels, it very much reminded me of a process in black and white photography called "trichrome." Essentially you can take 3 black and white photos with corresponding red, green, and blue filters and use each of the photos to stack into a single color image. The neat part is any movement between each of the frames will be highlighted by the filter color!

This is one of the best videos I've seen in a while. I especially loved when you played around with the RGB colours to make the movement pop out like that. The music was a great addition too. Seriously amazing video, earned a like and a sub for sure. Hope you have a great day.

This is truly incredible. The ideas that immediately popped into my head regarding mattes is insane. Hats off to you, you’ve earned a new subscriber.

You've just shown me a whole new way to see the world! This is beautiful.

Always great to see a video notification from Posy. Imma go now and get some snacks to eat while enjoying this video edit: Just watched the video and damn, such an interesting concept. It's so easy to achievable and looks very pretty too. I would love to see more videos like this lol

I’ve known about this for a long time through code with processing but you’ve done an amazing job of showing and extending its use- thanks for the great video. Beautiful examples ❤

I remember watching a video on motion extraction through code, but I didn't even consider literally just using a video editor. I can also imagine this is a perfect way to extract temporal noise maps. This is incredible. Thank you.

Breathtaking. The line about only time remaining visible emotionally took me to the quote, "I watched C-beams glitter in the dark near the Tannhäuser Gate. All those moments will be lost in time, like tears in rain." Thank you for marking my day with your magic!

I am actually flabbergasted and started crying due to how beautiful this is.

you just perfectly captured my last acid trip. Amazing Video

Congratulations ! You've unlocked the Derivative ! :-) This whole concept is very much used in Control Theory, where we use the difference between states to control various equipment and stabilize thier behaviour. This artistic view is really great work

One of the best videos I’ve ever stumbled upon, this is huge. Thank you

Not only is this artistic and beautiful. It seems like it would be useful for motion detection or making the detection more accurate by removing the unwanted sensor data. Maybe even be an aid for people visually impaired?

Incredible work. Stunning visuals as always. Your creativity and attention to detail never cease to amaze!