Blender Camera Tracking for Intermediates: Create Professional VFX & 3D Scene | Udit Gala | Skillshare
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Blender Camera Tracking for Intermediates: Create Professional VFX & 3D Scene

teacher avatar Udit Gala

Watch this class and thousands more

Get unlimited access to every class
Taught by industry leaders & working professionals
Topics include illustration, design, photography, and more

Watch this class and thousands more

Get unlimited access to every class
Taught by industry leaders & working professionals
Topics include illustration, design, photography, and more

Lessons in This Class

    • 1.

      Introduction

      0:28

    • 2.

      Start Your Project – Setting Up in Blender

      3:38

    • 3.

      Track Like a Pro – How to Capture Camera Movement

      2:26

    • 4.

      Solving the Camera Motion – Achieve Accurate Tracking

      2:31

    • 5.

      Setting Up the Scene for Realism

      3:14

    • 6.

      Using Shadow Catchers & HDRI Lighting

      4:52

    • 7.

      Final Compositing – Blending 3D with Real Footage & Rendering

      6:53

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About This Class

Learn how to bring your creative vision to life by mastering camera tracking in Blender! In this intermediate-level class, I'll show you step-by-step how to track real-world footage and seamlessly integrate 3D objects into it. Using a dynamic example inspired by placing a car from Need for Speed Most Wanted into live footage, you'll uncover the secrets of blending CGI with reality.

What you'll learn:

  • Camera Tracking Essentials: Accurately track real-world footage for perfect 3D alignment.
  • 3D Object Placement: Integrate models into scenes to create stunning visual effects.
  • Rendering & Final Touches: Polish your shots to look professional and cinematic.

This class is perfect for Blender users with basic experience who are ready to take their VFX skills to the next level. By the end, you'll have the tools and confidence to create your own movie-quality scenes, perfect for YouTube, short films, or personal projects.

Meet Your Teacher

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Udit Gala

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Level: Intermediate

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Transcripts

1. Introduction: Hey, welcome to my course. In this course, I'm going to show you how to do camera tagging with a pinch of nostalgia. Well, we all have played this game, and it was most wanted in our childhood. And the car, you know, it was so memorable. And we are going to use that car in our footage. We'll make it look as if it's right in front of our eyes. And trust me, it's going to be really great. It's a miniseries, so you don't have to spend a lot of time. You will learn camera tagging very easily. So let's be. 2. Start Your Project – Setting Up in Blender: Okay, so first thing which you need to do is open blender and create a new project and then delete everything and save a project. And I already have a folder. I'm going to name this project as NFS star sis. Just click on the plus icon and open the motion dragging tab. Before moving, I'll just tell you what you need in this section. You will have to shoot your own footage. I'll just show you mine. This is my footage. And if you see, there's not any, you know, uh, shaky movement in the clip. It's because I've used a mode called stabilization or let's say stabilize. I don't actually. So my phone as this feature, if you just, you know, turn on this feature, it will remove any shaky movements or something like that, and it will give you a proper stable footage. So when you're doing camo digging, this is a very important set because it helps you, you know, w camo tagging blend up. And this way we can easily camera tag this footage. So keep this in mind, you have to turn on the stabilized mode or stabilization mode. I don't know the exact name, but if you just go in your phone's camera, you might find it if you have this feature in your phone. So just make sure you just turn on that feature. And then shoot your footage and then open it in blender. This footage, you know, is shot like in deported mode like vertically. So if you import it, it will be like this. And I can just, you know, camera like this. So what you have to do is just click on this, you know, cross butter and just remove it. Then make sure you are just saving the project, then create a new project. But this time, just click on Video dit, and then click on add and click on movie. And open your footage. So for me, this is my footage. And first, just make sure the color management is set to stand in the output properties, you just have to, you know, exchange these values. So first, make it 1080, then make this 121920. So now you have this. So you just have to now rotate this, and to do that, click on this transform, then go to rotation and make it minus nine and you're done. I'm not going to use the whole footage. I just want, you know, total 200 frames. So I'm going to make the end frame 200. And if you are, you know, exporting it like 30, 30 frames per second, it will give us six at least it will give us 6 seconds. And we can Godle seven, but I think 6 seconds is fine. It's more than six actually. So I think it is fine. So then you just have to export it as video and then open your new project which we have just created. This one. Now you can just input that footage. So we have this nice footage ladder. Now we can start camera taking it. 3. Track Like a Pro – How to Capture Camera Movement: So go to Freeman, and then let's find a high contrast point. And let's say we can use this one. So click on add and click on this. And if you plassO plus S, you will find this, you know, the search area box. Just make sure it has enough space and this Brito carat. Let's just use this feature called TTchFeatures. But before that, change the motion model to FM and the match, make it to previous boom, then click on normalize. And the reason for choosing affine is because, you know, there are a lot of options right here, and the affine is, you know, usually the best for camera tracking because if you have this footage, because in my footage, if you can see, you know, my camera is rotating like this. So the shape of this tracking marker will also change. So the affine model helps usually in every cases, go to Frame one and click on detect features there. Make the distance to ED and threshold 20.0 quality. I think it is too much, but I think it is fine. Let's just track ahead it will show us a lot of bad markers, and that is completely fine. So when you just try for the first time, just dslide all the markers. Then again, click on detect features. Then the values will be copied, again, from the last markers. So just track backwards now. Now go to frame hundred, again, Dislect all the markers, click again on detect features. Then track backwards. Then again, go to free hundred track forward. And I know there are a lot of bad markers, and we can easily solve that. 4. Solving the Camera Motion – Achieve Accurate Tracking: So if you play the footage, there are some good markers and some bad ones too. So we have to first delete all the bad markers. So there's drag its like this, and manually just delete a few markers, which you think is, you know, stretching a bit more than the other one. Just delete time. And it's fine if you don't want to do it, we can anyway going to solve this tab, on focal at optical center radial distortion. And let's find a point which has a lot of movement. So I think I'm going to go for 57 or maybe I think 57 is fine. And then we can select 172. It might be different for you if you're using a different clip and just clkonFals camera motion. Now we have a lot of markers, so it will take some time. The sol error is but punt y three, we need to now derate some markers, Spaw that, go to cleanup, then click on clean tracks. Make sure you haven't selected any markers here. Then, you know, slightly just increase the value of the reprojection error and at deal with all these markers. And then let's again solve it. So the solve was 1.23. Now let's see what we get, and it should be less than the last one. So it is 1.00. We can again clean markers. This time we can just delete a lot of bad markers like this. Now we can again solve camera motion. Okay, we've got 0.21. Okay. It is okay, I think. But let's just clean tracks just slightly. Again, solve camera motion. So we got 0.18 like 0.8, and I think it is fine. 5. Setting Up the Scene for Realism: Now what we can do is just click on set us background and set up tracking cell. Now we need to create a floor. So for that, just select three markers like this and licon flowed. And I know the size will be too much. So now select any two markers. Let's say we select these two markers and increase the distance and click on Setsquae. Okay, there is a mistake idea because, you know, our footage is completely stretched and we don't want that. So for that, just again, make this tent and make this 19. Now as you see, it is looking fine. So the camera tugging is actually nice, if you see. The floor is also properly set. We can change the origin if, let's say, I want my you know, because we are going to put our, you know, NFS car right here. Let's say we select this one and click on CIO. And now if we place a car here, it will drive properly. And now for that, what we need to do is just delete everything, this floor, this cube, and also the light. Now we can import our car modern. I'll just show you how to do that. So first, open sketch star and search for a PMW M three GTR. And here you go. There are a lot of models, and you can download any one. And actually, there are a lot of models. There are different texts for that. I mean, if you see this one, this looks really clean. If this one, this looks a bit dirty, from the bottom side. You can use anyone if you like, and I already have one, and I have downloaded it as GLB them input it as GLB, and here it is. I'm going to increase the size then rotate it like this, increase the size. So if you see for a second, it actually looks like as if it's actually, you know, place right here. If we just, you know, get out of the camera, we can see the camera moving just like I have shot my footage from my phone. So this part is done. Now we can create the shadow catcher for this. 6. Using Shadow Catchers & HDRI Lighting: Just create a plane and increase the size like this. This is going to cover this part with the plane. Now what we can do is let's change the render agent cycles, make the device to GPU compute, and for the max samples in view port, let's make it n, and for the render, let's make it 50 and make sure the motion there is on. And make sure the color management is tacked to standard. Again, in the output properties, make sure the render region is on, and as you can see, we have this car, but there's no shadow catcher. So first, click on this plane. Let's just name it as shadow catcher. Then, if you're using cycles engine, you already have this option of this, you know, single. You just, you know, click on this shadow catcher and it makes it a shadow catcher. You won't see it right now because we have to, you know, turn on this option called transparent in the film section. Now, you should see we have this shadow catch up. Let's just, you know, if I just hide it, you won't see it, but now you can see it. But still, it won't look proper because we don't have a light in our sets. And for the lighting, we are going to use HDRA. So for that, you will this add on. You will this add on called Blender kit, and it's really easy to doload. You can just search on Google or something like that. And when you're done, install it and click on this find HDR and search for, let's say, mm overcast. Because the time I shot this footage, in my area, it was something, you know, like the uh the sky was something overcast. So I think this would look good. And we want something, you know, in the back. I can just, you know, download an HDRI, which is like plain. You know, if you see this image, it's completely bed. It's a sky there's no environment. And I want some reflections on the window, right? So for that, I have to choose that kind of GDRI. Because I was searching for an DRL and I found this one, so I'm going to use this one. And if you go in the depth review, if you see here, we have this light reflection. It just blends in with the background, and I like this. The shadows actually looks good, and let's do one thing. We can let's just render a single frame. But first, go to compositing and don't worry we are not compositing right now, but we have to delete this three uh, this is Dilig three and this one, two, and colling this image to image. And then on Brando. If you don't have a good PC, you can just decrease, you know, max symbols to maybe ten or nine. And it will also decrease the time taken to render single same also. That's cool. It's almost done, I guess. Okay, I'm 45 seconds. I don't know why. I have to, you know, let's decrease the max symbols to ten. And in the advance? No, not in advance. Maybe, the light paths, let's just decrease the total to maybe eight and transmission to ten. And yeah, that's it. Then if we render again a single flame, it should, you know, reduce the, you know, total time taken for rendering signal frame. Okay, it is done, and it's 38 second, okay? I think it's fine. Because if I just decrease the samples and the light paths, and, you know, if I decrease the settings more, it will, you know, like, decrease the quality of the car also. And I don't want that. So I think I'm just gonna leave it like this. 7. Final Compositing – Blending 3D with Real Footage & Rendering: Now what we can do is we do compositing and we can we can change some we can just, add a color tone of the same like most wanted. I assume that you played this game NFS most wanted in your childhood, and if you did you know the color tone of the game is, you know, yellowish and warm. So we are going to do the same for this one also. This one is your car and this one is your background video. So first, let's blend the car to the background, and then we can, you know, add RGB curves right here to, you know, apply the settings to both of them. So first of all, let's just add RGB curves, but for the car. And let's let's decrease the blue slightly. And maybe, you know, increase the green slightly. Nope. Decrease the Let's just decrease the blue a bit more. And I think it is fine. Now we can add another RGB curve right here. Then connect this one to also composite. And now we can decrease the blue, and it will affect both of them, the car and the background and increase the green slightly. The decrease the red and see how it goes, not just. No. Let's not, you know, do anything for the red. Maybe increase the blue a bit more and increase the green, no. I think this looks fine. You know, we can add lens distortion, but it would not look, you know, like real because the reason is that this footage is, you know, anyone anyone can say that this footage has been shot from my phone. And lens distortion if you're using, it should look more like, you know, you have shot the footage from a proper camera. So I think I'm not going to do anything with this one. And I'm just going to, you know, make the I think it is fine. Maybe I can decrease the contrast slightly. And now I have to do one thing, and that is decrease the strength to, um, What if I case the tent to do it doesn't. Maybe decrease the tent to point Sern. And now we I have to actually, you know, Okay, so this was the reason. I was feeling a bit, you know, weird for the car. It wasn't looking good. So the car and now if we see it shows proper shadows. Let's render a single frame and see how it looks after the composition and after we did, you know, change the position of the car because it was messing up with the shadow catcher. Now it should look really good. Okay, so the render is done and it looks real this time, and the shadow catcher is also working fine. Okay, so now for the output properties, make sure the frame rate is 30 and make sure the file format is set to PNG. And PNG is a reason because we can render it as video, but, you know, you won't be able to change the FPS data because that's suppose let's suppose, I want to render this project as 30 FPS. But when I render it, like the render is done, and then I feel like, you know, it should be 24 FPs. I would able to, you know, change that. So rendering as PNG is like the great option. And there's also another option. And there's also another reason why you have to choose PNG because if we render it as video, and let's suppose, you know, you're spending, you know, Rs and s for rendering this. And let's suppose it was about to, you know, fully render and maybe your blender or your PC crashes. So what you have to do is, again, render it from the start and you have render it as video. So yeah you're finished, you can do anything. So just listen to me and, you know, select it or select this PNG. I render it as PNG, and that's it. Then create a folder and, you know, just choose your, you know, destination where you want to save this PNG files, and then you can just hit render animation, and that's done. First of all, thank you so much for watching my course from the start to the end till here. And I'm really glad you've completed this course. And if you're interested in learning more, something like this or something better, you can check my other courses, and I've got really cool courses for you. I even have a Spider Men one. As you have already completed this course, please submit a review for this course, and I would really appreciate it. Thank you so much for joining