Super 8 film scanner, 3d printed using OpenCV 

Glad I could help!

I agree. I've played around a little bit with computer vision but it never occurred to me to use it for this - makes the mechanical solution so much simpler.

Thank you, the reel did have Innsbruck/Salzburg on it!

Thanks

Thanks 👍

Thanks. It was about 5 days work in the end.

Thanks

Thanks

Thanks

Thanks.

Thank you! Cheers!

Thanks for the comment.

Agreed, don't worry diybms returns in the next episode (sounds like a StarWars trailer!)

My pleasure 😊

Awesome! Thank you. Let me know if you need any help.

@@StuartPittaway I made this Super 8 video with an app on my phone ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-iaCLwkNG_K0.html

@@colinscotland2887 that's really cool. Looks like good quality film in the first place as well

Go for it!

Great tip! Thank you

I had a lot of fun doing this - I remember watching the films as a child, so very nostalgic to restore them in the digital world.

you can try to take 3 pictures one over exposed and other under and merge them so you have an hdr imge with the with rage of the film. Also if you add another with an IR light you can run a dust remove filter in photoshop. that is how all my 35mm scan works

Thanks for watching

Good ideas.

Did it work?

@@StuartPittaway The 10 million dollar question! I ended up ripping up an old standard 8 projector and using two sprockets directly on two stepping motors either side of the gate plus a third stepper for the take up spool. I controlled these and a camera with a Raspberry Pi. It "kind of" worked. I think the hardware set up was more or less OK but it needed a lot of work on the software to get over how crude it was. Late one night I was struggling with it when I realised I really didn't want to be doing it any more. My day job is as a software engineer and it really isn't good to end up programming into the evenings. Maybe when I was younger but not anymore! I gave up on it and went to do something more analogue in my time off. Here is a quick phone video of it "working" before it went into the parts bin ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-t7t8p3Mq3LY.html

I did look quickly at HDR, but decided it was too slow and the original quality of my film wasn't great. Let me know how you get on

@@StuartPittaway I certainly will. Thanks.

That's exactly the lens I used with the advanced camera

@@StuartPittaway Yep, as I saw in your video 👍 I was excited when I saw you using it!

@@Doug1313 works very well.

I think the Raspberry Pi High Quality Camera is a 12MP sensor, 4056x3040px, which is a little over 4K. 8mm and Super 8 are a 4:3 ratio, which is convenient since the sensor is also 4:3. In all likelihood, you would actually want to record a slightly wider frame than the actual picture so you can use video editing to remove any jitter (you can see in the footage that while the camera detects the sprocket holes and centers the image vertically, the film itself wanders horizontally as it comes off the spool; that’s easy to fix in post as long as you have a wide enough frame). With that said, you should easily be able to get a sharp image above 2.7K after any cropping and reframing, or a theoretical 4K if you just frame tightly and hope it doesn’t shift. In either case, you’ll just be getting sharper detail of the film grain above 720P, not that that’s a bad thing; but even SD 480P scans of Super 8 can look really good if you have the focus spot on and sufficient dynamic range from the sensor. Hope that helps, I’ve just scanned a bunch of family films with a Wolverine scanner, which did a good job but actually seemed a little worse in terms of dynamic range compared to these scans. The advantage was that a 10 minute reel took 2 hours to scan instead of 3 minutes in an hour-if you have lots of film to digitise, it really starts to add up!

Hello, thanks for watching. I really don't have the time at the moment to expand on the building process. If you can take a look at the Freecad files, it should be quite simple to see what screw holes there are and how the parts align. I used 2 stepper motors simply because I had them spare. This could have been done with a single motor.

Its a raspberry PI advanced camera and microscope lens

I suspect it should be okay, you can always crop the image in software later on

Yes this would have been possible

It should be possible, you detect the square shape and then use that to align the overall image.

I've no idea, not used one of those sensors. It was straight forward with a standard camera.

Hi, I used an old 3d printer motherboard, nothing special it just runs marlin, and has several stepper motor drivers. You need a driver for each stepper motor. I then use the raspberry pi, and it's microscope camera to capture the images. Arduino isn't really suitable for this. Don't forget a good light source as well, it needs to be bright and uniformly lit.

It wouldn't be difficult, but I don't have a reel to try

@@StuartPittaway I could see right away that you could. Your approach to this problem has been 1st class. It is only dimensions at this point. Does anyone have a 16mm reel to give to Stuart? Or even 35mm :o) :)

@@bryngerard4334 i have 16 mm reels i saw a model for a reel on thingverse also if he can print one may be easiest

You could definitely upscale the frames. Not much to be gained though as the original footage isn't good enough resolution

Thanks for leaving the comment. I only built the scanner for a one off conversion of the old tapes, good to see you have a reliable solution working for 4+ years

I'll have to double check, it might just be part of one if the freecad files as a separate body.

@@StuartPittaway Yes! CameraMount-RaspPiAdvanced Select the body in left pane and tap Space bar to show. Time to get printing...

@@EuropaSteve which program did you use to show the cone? I still can't

RU-vid keeps deleting my response. Google FreeCAD. It should give you the link.

@@gioslg99 FreeCAD

I was also new to open CV, it's not that difficult but trial and error paid off

@@StuartPittaway iv actually made some headway. I'm about to crop my frames now. But only on singular images. Need to setup iterating through my image folder next

All the files are on GitHub as freecad files. You can convert those into STL

I didn't need anything longer than the smaller reels! I built most of it from spare parts lying around the place. The raspberry pi and camera are the most expensive parts

Unfortunately not selling these.

@@StuartPittaway thank you for the answer , that’s sad

Los motores simplemente usan un firmware Marlin de una impresora 3D. El Raspberry PI usa GCODE para controlar los motores.

Hello, sorry didn't see the Facebook message. Probably easier to raise an issue over on GitHub for this and I can take a look

I wouldn't know how to check!

@@StuartPittaway No worries. Thank you!