Search found 215 matches

by stereomaton
Tue Jul 30, 2019 6:40 am
Forum: StereoPi hardware
Topic: Hardware power and transfering data
Replies: 8
Views: 6174

Re: Hardware power and transfering data

There is no builtin wifi, but you can add a dongle. Also, most phones nowadays include a simple wifi hotspot that can be useful with stereopi. Network can also be used via Ethernet, but it still requires infrastructure. The third way highlighted by Realizator is to use USB gadget which makes the ste...
by stereomaton
Fri Jul 26, 2019 8:46 am
Forum: StereoPi hardware
Topic: sync external flash (light)
Replies: 2
Views: 2747

Re: sync external flash (light)

I think triggering a commercial flash is done by shorting two pins of its connector (keyword: hotshoe). However, because it is high voltage (compared to stereopi) you will need to add some electronics between the stereopi and the flash, probably only an optocoupler and resistors. I let you make your...
by stereomaton
Fri Jul 26, 2019 8:33 am
Forum: Other software
Topic: Sources of com.virt2real.stereopi
Replies: 3
Views: 11758

Sources of com.virt2real.stereopi

Are the sources of com.virt2real.stereopi Android app publicly available somewhere? I would like to make a similar app, but which: 1) displays in 3D on my autostereoscopic screen 2) has a record button to take photographs (and maybe control of some other params in the future) I will probably do it f...
by stereomaton
Sat Jul 20, 2019 8:52 am
Forum: Other hardware
Topic: Camera multiplexor crazy idea
Replies: 2
Views: 11858

Re: Camera multiplexor crazy idea

Woow, it looks mega expansive for the task; but I might have not understood the whole thing. If you can switch between two kind of cameras, you can profit from them. However, I suspect you will have to stop and start for the switch to work (and perhaps reboot, depending on how initialization is done...
by stereomaton
Tue Jul 16, 2019 10:59 am
Forum: Other topics
Topic: Some new video guides
Replies: 1
Views: 10235

Re: Some new video guides

Good job, except that the videos are not in 3D. :D
The written documentation is more complete and already say that, but as people tend to not read it is a good complement.
by stereomaton
Tue Jul 16, 2019 10:24 am
Forum: Other topics
Topic: TLS on Forums
Replies: 5
Views: 13418

Re: TLS on Forums

Nice.
by stereomaton
Tue Jul 16, 2019 10:24 am
Forum: StereoPi hardware
Topic: Fried PMIC
Replies: 16
Views: 10280

Re: Fried PMIC

Realizator wrote:
Mon Jul 08, 2019 9:54 am
Here are top and bottom layers details for you: stereopi-top-bottom.zip
Maybe you can add these files to the "DIY Ninjas Section" of the wiki.
They are useful for other usages.
by stereomaton
Tue Jul 02, 2019 2:37 pm
Forum: Other topics
Topic: Stereo window placement
Replies: 4
Views: 13118

Re: Stereo window placement

To illustrate, let's work on this image: https://i.ibb.co/dL85H7P/base.jpg This is the kind of images a stereopi can output, except that I pre-aligned the two images so that everyone can run its own tests on this pair if needed with immediate results. Here is a quick-and-dirty sketch of the scene, s...
by stereomaton
Sat Jun 29, 2019 11:07 am
Forum: Other topics
Topic: Stereo window placement
Replies: 4
Views: 13118

Re: Stereo window placement

I practice stereophotography for a few years now, and window violation is a very common mistake for beginners. Actually, the brain accommodate somehow, but the same photograph with stereo window placed to avoid those violations make it far far better. The second most common mistake is possibly (mis)...
by stereomaton
Sat Jun 29, 2019 10:35 am
Forum: Other hardware
Topic: 1.44" TFT screen Waveshare
Replies: 7
Views: 18954

Re: 1.44" TFT screen Waveshare

Realizator wrote:
Wed Jun 26, 2019 10:52 am
I'll try to do it solder-less
Lots of people use this kind of jumper wires for prototyping [first link, not a recommandation]
https://www.amazon.com/MCIGICM-40Pin-Br ... 07PLZC26F/
by stereomaton
Sat Jun 29, 2019 10:26 am
Forum: StereoPi hardware
Topic: New SLP image not working for both cameras simultaneously
Replies: 6
Views: 5110

Re: New SLP image not working for both cameras simultaneously

I had similar fear the last time I used my stereopi (changed OS too) with mmal errors displayed but I finished to figure out that SLP has already a process which captured the cameras, so the raspistill program cannot contact them. Probably not the same case here, but it would be worth it to test for...
by stereomaton
Sat Jun 29, 2019 10:19 am
Forum: Video, photo (livestream, recording, photo capturing)
Topic: A physical button to take photos
Replies: 37
Views: 81467

Re: A physical button to take photos

Forgot to mention: The button in my example is GPIO n°3 as noted in the pinout of the wiki: GPIO03 (SCL1, I2C) https://wiki.stereopi.com/images/f/fb/Stereopi-gpio.png I chose this one because there is a GND pin very close, but it can be anything else not already used (just change the number at the t...
by stereomaton
Tue Jun 25, 2019 12:08 pm
Forum: Video, photo (livestream, recording, photo capturing)
Topic: A physical button to take photos
Replies: 37
Views: 81467

A physical button to take photos

Today I had another small time to play with stereopi. I decided to add a physical button on it to take photographs. The idea is simple : A script launched at startup waits for the button and than call the SLP "make_photo" page as if we pressed the icon on the web interface. (Need SLP with such photo...
by stereomaton
Sun Jun 16, 2019 2:06 pm
Forum: Other topics
Topic: Stereo window placement
Replies: 4
Views: 13118

Re: Stereo window placement

I hope I was clear. If it is not the case, feel free to ask. I phrased it the way I think of it the more naturally, but I am familiar enough with this notion to rephrase it in multiple ways if you need more explanations.
by stereomaton
Sun Jun 16, 2019 1:59 pm
Forum: Other topics
Topic: Stereo window placement
Replies: 4
Views: 13118

Stereo window placement

I just want to introduce important notion in stereo photography (it applies to video too) for enthusiasts who come to stereo through stereopi: the stereo window . In traditional photography, there is a frame in which all elements are included. While framing, among other things, it is important to pa...
by stereomaton
Sat Jun 15, 2019 6:23 pm
Forum: 3D photo and video processing
Topic: 3d cam with mobile phone as viewfinder and controller
Replies: 40
Views: 432733

Re: 3d cam with mobile phone as viewfinder and controller

I searched for a long time because of a stupid mistake: I swapped left and right images in align_image_stack so that its automatic window placement was systematically a very bad choice. In the right order, it is okay (although this time, I tested on one pair only). I am not deeply convinced by the a...
by stereomaton
Sat Jun 15, 2019 4:08 pm
Forum: 3D photo and video processing
Topic: 3d cam with mobile phone as viewfinder and controller
Replies: 40
Views: 432733

Re: 3d cam with mobile phone as viewfinder and controller

Actually I did not find freeware programs that can do this alignment. SPM is a freeware. Did you meant free/libre software ? You can get very good results with hugin (http://hugin.sourceforge.net/) even in presence of lens distortion. It is a free software (as defined by the FSF https://www.fsf.org...
by stereomaton
Fri Jun 14, 2019 12:18 am
Forum: The art of stereoscopic photo
Topic: viewing stereo images on the web site
Replies: 10
Views: 88461

Re: viewing stereo images on the web site

Personally, I was happy that parallel version was used here because I can easily fuse in parallel view, but I have hard time with cross view. However, I can use sView software to swap the images on the fly on Android (long press the image in the browser and choose open with sView) + in bonus it is c...
by stereomaton
Sun May 26, 2019 8:02 am
Forum: Other topics
Topic: TLS on Forums
Replies: 5
Views: 13418

Re: TLS on Forums

+1
In addition, the certificate uses wrong domain name (*.your-server.de) making it invalid.
by stereomaton
Sat May 25, 2019 3:16 pm
Forum: StereoPi hardware
Topic: [Solved] OTG support
Replies: 9
Views: 8711

Re: OTG support

Found! First, according to https://lb.raspberrypi.org/forums/viewtopic.php?t=173267#p1107702 , we need to have USB_OTG logical 1 to be in device mode. Stereopi has a pull-down on this pin which makes the USB port to be a host (makes sense for LAN/USB). Fortunately, thanks to this resistor, man could...