Dmitry Andreev @and_coder
started inciprocal, ex-lucasarts, ex-electronic arts, ex-demoscener "and"; engineer / inventor / entrepreneur inciprocal.com San Francisco, CA Joined March 2011-
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While buying a lot of LED stuff from a factory that supposed to be a single manufacturing batch there are still quite a few spectral discrepancies here and there. Most likely messed up at the packing stage or something. You can see a few that clearly have different temperature.
The rolling shutter artifacts (stripes) are due to all-lights-on-preview mode that has 100Hz-ish PWM. The actual per-lights shots are artifact free.
The rolling shutter artifacts (stripes) are due to all-lights-on-preview mode that has 100Hz-ish PWM. The actual per-lights shots are artifact free.
These consumer cameras like Sony Alpha 1 can be pushed all the way to 20 fps, but being rolling shutters drops the exposure to 1/60th that's not ideal. Higher speed global shutter ones like Sony a9 III can run much faster but they are only 24 MP that's not that great for props.
These consumer cameras like Sony Alpha 1 can be pushed all the way to 20 fps, but being rolling shutters drops the exposure to 1/60th that's not ideal. Higher speed global shutter ones like Sony a9 III can run much faster but they are only 24 MP that's not that great for props.
Setting up some figurine scanning with a 24-Light Arc
This time it bothered me hard enough while calibrating our new 180 degree 24-light Arc rigs that I finally put some time to simplify the light positioning process further. Simpler gizmos for manual mode as well as automatic highlight tracing.
This time it bothered me hard enough while calibrating our new 180 degree 24-light Arc rigs that I finally put some time to simplify the light positioning process further. Simpler gizmos for manual mode as well as automatic highlight tracing.
the only thing with consumer cameras is that you can only get this speed with SD or CF cards that you'd have to swap every few props. While MV cameras car stream all raw instantly.
the only thing with consumer cameras is that you can only get this speed with SD or CF cards that you'd have to swap every few props. While MV cameras car stream all raw instantly.
Took 3 days and a dozen takes to finally get all the multi-cam calibration worked out. We had single-cam multi-light and Light-stage-like multi-cam multi-light where everything is static. It felt like an easy thing to do but ran into a lot of little gotchas.
More tires
This is the slimmest so far that's also compatible with 1/4" mounts and 15mm clamps/rods. This also has zero to no interference between loops if extra views needed.
This is the slimmest so far that's also compatible with 1/4" mounts and 15mm clamps/rods. This also has zero to no interference between loops if extra views needed.
Simple 3D Printed light collimator
Collimation and polarization setup complete.
This is the first tutorial I've recorded on iPhone15 Pro as all other good cameras are actually on the rig. I hope it's not too bad.
This is the first tutorial I've recorded on iPhone15 Pro as all other good cameras are actually on the rig. I hope it's not too bad.
Daaayyyum @TeyonGames ... That whole ED209 "driving" section is really dope. Damn. I wish it was way longer than that though. Sick!
Phew... it's finally Friday night calibration time. Week and a half to delivery.
There are more examples in this thread showing you can get away with a lot less lights is some if not many cases when scanning prop. That varnished wooden masked scanned with only 120 camera positions and one can say even a single light would output some usable data fair data.
There are more examples in this thread showing you can get away with a lot less lights is some if not many cases when scanning prop. That varnished wooden masked scanned with only 120 camera positions and one can say even a single light would output some usable data fair data.
To get the most out of camera resolution while using the sharpest F-stop, that usually greatly reduces the DOF, both the bed and the camera leveling is important.
To get the most out of camera resolution while using the sharpest F-stop, that usually greatly reduces the DOF, both the bed and the camera leveling is important.

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