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by Realizator
Thu May 09, 2019 10:15 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

I just setup my crowdsupply stereopi. Using the included 8gb SD card and initially connected HDMI screen and keyboard, I booted my assembly without changing anything on the SD card "stereopi.conf". My assembly booted, I saw initial Linux text on screen and then nothing. But actually, I had an image...
by Realizator
Mon Mar 25, 2019 8:29 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

I've been very much intrested with the stereopi, but was just curious, if the stereo camera requires any GPIO jumpers to be connected. Its a concern as i plan to attach a 3.5 inch touch display (something like this https://www.cytron.io/p-3.5-inches-tft-touch-screen-for-rpi-3?currency=MYR&gclid=Cj0...
by Realizator
Wed Mar 13, 2019 7:42 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

As a disclaimer I work for eZuce but I'm not trying to sell you anything. You can export the video feeds directly from the RPi into a eZuce Vibe client and remove OBS all together, unless you just need obs for something. I used ffmpeg to do this with multiple video sources (including the desktop) o...
by Realizator
Wed Mar 13, 2019 7:39 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

blimpyway wrote:
Tue Mar 05, 2019 10:33 pm
Nice.
What are usual frame rates for the depth map mode?
Or otherwise asked, what is the maximum resolution for a depth map updated 10fps?
Thanks
We didn't provide peak performance tests. When we finish batch production, we will go back to this experiment.
by Realizator
Wed Mar 06, 2019 11:20 am
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).

... It's a fudge rather than a fix. It just removes all the signalling so video_render has no information to go on for stereoscopic, and hence interprets it as a single plane (quite probably squashed by decimation). ... I'll see if there is an easy way to check whether the display is actually stere...
by Realizator
Wed Mar 06, 2019 10:39 am
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).

Sorry, I haven't run stereoscopic for ages, and can't recall or find the reference you're referring to over OPAQUE vs I420. We've found this solution in these topics: https://www.raspberrypi.org/forums/viewtopic.php?p=918041 https://www.raspberrypi.org/forums/viewtopic.php?p=364164 Can you post a q...
by Realizator
Wed Mar 06, 2019 9:17 am
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).

@6by9, I have a question about fullscreen stereoscopic preview in raspivid and raspistill . By default with the stock Raspbian we can see broken preview only (images are partially overlapped, and also there are black fields on both sides). We solved this by modifying raspivid and changing MMAL_ENCOD...
by Realizator
Tue Mar 05, 2019 10:43 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

We've updated our Raspbian image and want to share one of our experiments. One of our new features is the ability to livestream MPEG-TS. We used this feature to livestream video from StereoPi to OBS (Open Broadcaster Software) with this OBS-VirtualCam plugin installed. OBS creates a virtual webcam a...
by Realizator
Mon Mar 04, 2019 2:32 pm
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

Two comments from me. 1) I jumped on this as soon as I saw it because I'm a stereo photographer from way back and thought this was going to be hardware-synchronised frame grabbing, especially for video - I was a little disappointed when I read that the cameras are shot sequentially with a 1ms delay...
by Realizator
Thu Feb 07, 2019 11:27 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

If you have classic Raspberry Pi with the camera, you can repeat all our video livestream experiments. Livestream to YouTube, Android and Oculus Go. Also you can repeat our behind-the-scene experiments with video livestream to WIndows desktop, Mac or any RTMP server. Today we want to share with you ...
by Realizator
Thu Dec 27, 2018 10:05 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

Someone should contact doe300 and see if he is interested in doing this. https://www.raspberrypi.org/forums/viewtopic.php?f=67&t=229707 With a Khronos reference OpenVX software and stereo hardware, machine vision on Pi's is getting very close to mainstream. OpenCV has been done on Pi's but it is a ...
by Realizator
Thu Dec 27, 2018 8:49 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

That is a really nice piece of hardware. Khronos want to use the 3B+ as a OpenVX reference. A stereo version could be done on the CM dev but this one looks much better for robot and drone usage. For VR/AR research this is great for Universities etc. Wish you guys every success and hope we see it so...
by Realizator
Thu Dec 27, 2018 8:33 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

Will this work on any other versions of the RPi? Is it necessary to use a compute module, or will an Rpi3A+ be fine? neilhendrick, as mahjongg mentioned calssic RPi supports only 1 camera at a time. When our project started about 4 years ago, my aim was to test if it is theoretically possible to wo...
by Realizator
Fri Dec 14, 2018 9:11 am
Forum: Camera board
Topic: PiKrellCam: motion vector detect + OSD web interface
Replies: 1440
Views: 299246

Re: PiKrellCam: motion vector detect + OSD web interface

... That is an awesome project and the output looks great, even if it required a little manual work. I look forward to seeing it in action soon! http://www.g0l.ru/content/1/imgs/stereopi/21_21-2-pano_small.jpg tropho, we ported stitching onboard. We also did a step-by-step manual and ready-to-use c...
by Realizator
Thu Dec 13, 2018 12:18 pm
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

This is really cool project, I'll immediately order one when available. This is exactly what the foundation should have originally come up with, a compact CMIO board, usable as is for mobile (drones, etc) applications. I've been building a fixed-wing uav project for a while, utilizign a stereo-vide...
by Realizator
Tue Dec 11, 2018 11:22 am
Forum: Camera board
Topic: PiKrellCam: motion vector detect + OSD web interface
Replies: 1440
Views: 299246

Re: PiKrellCam: motion vector detect + OSD web interface

... but no matter what software is used it is not possible to access more than one camera simultaneously using this board. ... One more thing to note: this board is limited to the older 5 megapixel Raspberry Pi camera modules. The newer 8 megapixel version (v2.1) camera module is not compatible wit...
by Realizator
Thu Nov 29, 2018 1:45 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture - now implemented (2014).

6by9 and jamesh, thank you for your advices! I know that Python may be "Too slow, too furious" for this task. In production solutions we use C/C++, but current project is designed for beginners. I just try to find some simple solution for them to do this using existing tools (like Picamera and basic...
by Realizator
Wed Nov 28, 2018 9:12 am
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture - now implemented (2014).

@6by9, could you please help with some specific stereo implementation. Most users who study OpenCV on Raspberry Pi (for building Depth Map) use Python. Also most ROS (Robot Operating System) use Python with OpenCV. So now to work with stereo pair user need: 1. Capture stereoscopic image (usually wit...
by Realizator
Tue Oct 09, 2018 2:35 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture - now implemented.

Sorry, I don't have a stereoscopic rig set up at the moment. When you say it doesn't work can you elaborate? Doesn't record anything, doesn't swap the eyes, or draws pink unicorns? If I know what you're looking for then I can look through the code even if I don't have the hardware set up. After a q...
by Realizator
Tue Oct 09, 2018 12:38 pm
Forum: Camera board
Topic: Stereoscopic camera capture (for COMPUTE MODULE) - now implemented (2014).
Replies: 155
Views: 59868

Re: Stereoscopic camera capture - now implemented.

New options are -3d [none|sbs|tb] -dec -3dswap For the stereoscopic mode, decimation, and swapping the sensors respectively. Looks like -3dswap does not work with raspivid. I noticed this a lot time ago, but now this question became important for my project. 6by9, could you please check if it works...
by Realizator
Mon Jul 30, 2018 8:17 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Re: Stereo camera with CM3 inside for OpenCV learners, drones and robotics

So cool ! Congratulation ! That's the best CM3 based project I've seen so far, you really managed to keep everything very compact. Are you planning on selling those boards or releasing the schematics ? I was wondering one thing, why did you not integrate the cameras directly on the board ? That wou...
by Realizator
Fri Jun 29, 2018 10:09 am
Forum: Compute Module
Topic: What would be the next step up from CM3?
Replies: 29
Views: 3273

Re: What would be the next step up from CM3?

... I could still make use of the CM3 but my only issue is the sodimm connector. as its too big in width to fit within the frame size I'd want. Does anyone know of any alternative ways to be able to connect the CM3 to a PCB instead of using a 200 pin sodimm? ... I'm looking for the same SODIMM conn...
by Realizator
Thu Jun 28, 2018 9:47 am
Forum: Automation, sensing and robotics
Topic: Stereo camera with CM3 inside for OpenCV learners, drones and robotics
Replies: 29
Views: 9042

Stereo camera with CM3 inside for OpenCV learners, drones and robotics

Hello! I’d like to share with you the details of my last project on Compute Module 3 for playing with stereo video and OpenCV. It could be interesting for those who study computer vision or make drones and robots. Here is how it looks like with two cameras and Compute Module installed. http://stereo...
by Realizator
Fri Feb 03, 2017 10:28 am
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 584
Views: 179959

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

Trying to do something totally inappropriate with an unsupported driver? What do you think two TC358743 boards being treated as stereoscopic does for you? The camera modules can be synchronised (even if it isn't perfect), but HDMI inputs just aren't. So running them in stereoscopic mode just won't ...

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