Brad Hamilton integrates a Blend Swap model into some live footage and shares a nice way to create your own 'HDR' maps.
Brad Hamilton writes:
After finding a detailed bus model on blendswap.com I had the urge to see how it would integrate into live action footage. This is my result and a following vfx breakdown.
6 Comments
This was a pretty good tutorial!
The only thing that bothered me was that you kept calling the environment image an "HDR". It's becoming more and more common where people mistakenly call any panoramic image an HDR. HDR means High Dynamic Range, so normal jpeg images aren't HDR, they are LDR (low dynamic range).
But other than that, there's some good stuff in the tutorial.
The shot is unrealistic ((
The lighting on the bus really breaks the whole shot. All of the other shadows point towards the camera but the shadow on the bus stays underneath it. I don't know how you miss that especially when you point out other flaws in the shadows and when you consider that it's an easy enough fix you, could eye ball a spot light to fix that, it just comes off as lazy.
Also, I'm not certain of this I haven't looked at the model he used, but it looks like the texture he used was too small for the render size he went with. The textures should probably have just been replaced if he was going for a photo real render.
I don't want to be harsh but it's a bad idea to present people as an authority when they plainly are not. I do try to be supportive when people put their stuff out there online but there are some glaring errors and poor workflow choices in this video and people who are looking to learn will be done a disservice thinking this is how it's done.
yeah. Thats it. In addition there are problems with blacks level (check shadows from trees and tires or windows color). Blacks from bus are a way darker than blacks from shadows. Also there is mismatch between low quality footage and perfectly captured bus (no bluriness on bus, no DOF, no grain, no lense distortion, e.t.c)
i can fully agree with all the comments below but, the tracking is nice. But, the tracking is working really nice. i dont see any pixel slip. So it works. But the shading and lighting is too unrealistic. And the Animation itself is to fast. I prefer that the scene get a remake with more work involved. Sometimes you got a tricky shot you try and try and it will not work. but if you invest alot of more time, of fixing everything you can get a very nice result sometimes it takes weeks for a final shot. 3 weeks ago i started with water simulation for a single shot of 150 frames. it took me more than 3 weeks to get what i want...to learn what i have to learn. But now i am at the rendering process and believe i could sell the shot in a couple of days!.. Sometimes its frustrating, but how my master said the first 80 Percent took a while and the last 20% took the same time like the 80% before. the last 3% of perfection took mostly all the time you invested before
Why do amateurs keep on doing tutorials... And why do you publish such stuff here?