Search found 854 matches

by Realizator
Mon Aug 01, 2022 10:51 am
Forum: StereoPi v2 hardware
Topic: variable baseline
Replies: 1
Views: 89

Re: variable baseline

Hi stereospatrick, To get 1 meter baseline you have to use a couple of 50cm ribbon cables. You c an find them at any Raspberry-related store. In our experiments we were able to use 2m (two meters) ribbon cables, but this is a bit tricky. With this length of the ribbon cable it gets a lot of radio-em...
by Realizator
Mon Jul 11, 2022 8:51 am
Forum: StereoPi v2 hardware
Topic: Vertical Misalignment
Replies: 2
Views: 420

Re: Vertical Misalignment

Hi dnaman, If you are using StereoPi with OpenCV, then you can use calibration procedure. After that you'll get aligned images even if they were vertically misaligned. If you are using StereoPi for the stereoscopic photo, you can also use post-processing tools like Stereo Photo Maker. Take a look at...
by Realizator
Fri Jul 01, 2022 5:26 pm
Forum: StereoPi v2 hardware
Topic: cameras not detected
Replies: 4
Views: 446

Re: cameras not detected

Uh, it was the CM4 installation. Yup, installing it up to the sensible "click" is crucial.

I'm glad it works for you now!
by Realizator
Fri Jul 01, 2022 12:22 pm
Forum: Cameras and video capture modules
Topic: Splitting stereo video into two videos?
Replies: 4
Views: 802

Re: Splitting stereo video into two videos?

Hi atrunyan, I am also looking into how to give it my calibration camera info to get accurately sized models. - as I understand, you can use the built-in Agisoft calibration . I.e. just feed it up with calibration images, and it'll calibrate camera. I'm not familiar with Agisoft, but brief search sh...
by Realizator
Fri Jun 24, 2022 9:59 am
Forum: Your Project
Topic: Learning to design a case [and more]
Replies: 2
Views: 562

Re: Learning to design a case [and more]

Hi Triops, There is no magic in the case design. The main point is to have a good 3D drawings of all parts you'd like to design a case for. You can use these 3D models to do exact measurements for your enclosure. Here in the Wiki you can find the STEP file for StereoPi V2. For specific items (like c...
by Realizator
Mon Jun 20, 2022 9:36 am
Forum: StereoPi v2 hardware
Topic: How low power can the StereoPi v2 be?
Replies: 1
Views: 318

Re: How low power can the StereoPi v2 be?

Brief answer is 'nope'. You can force StereoPi to go to sleep mode (like any Raspberry Pi), but: 1. This mode is not reliable and require a lot of advanced software skills with understanding of hardware-specific things. We got no luck with this. 2. Even if you put compute module to this mode, we hav...
by Realizator
Mon Jun 20, 2022 9:24 am
Forum: StereoPi v2 hardware
Topic: cameras not detected
Replies: 4
Views: 446

Re: cameras not detected

Hi kivlerton, According to your error messages I guess the issue is the ribbon cable connection. Please check that cameras are connected correctly. (btw, it is better to use "raspistill" command but not "raspivid" for tests) Could you please share a photo of the camera with the ribbon inserted? As f...
by Realizator
Mon Jun 20, 2022 9:06 am
Forum: OpenCV, Python and other image processing
Topic: calibrated principal distance vs focal length for 160FOV fisheye
Replies: 1
Views: 537

Re: calibrated principal distance vs focal length for 160FOV fisheye

Hi onestarhalfpoint,

I trust the OpenCV calculations but not the specifications declared on the website. :-) To say more, you can find a few similar camera models from different manufacturers with dramatically different focal length numbers.
by Realizator
Wed Jun 01, 2022 5:01 pm
Forum: StereoPi v2 hardware
Topic: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?
Replies: 7
Views: 571

Re: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?

sodyiumcl I'm glad it works for you!

As for the Wiki - SLP2 getting a lot of updates and new features, and Wiki is a bit outdated (shame on me!). I'll update all screenshots and descriptions this week!

Thank you for spotting this issue!
by Realizator
Tue May 31, 2022 10:07 pm
Forum: OpenCV, Python and other image processing
Topic: Size and framerate
Replies: 3
Views: 434

Re: Size and framerate

asdf, I got your aim. If you'll forward all "raw" images to your beefier PC over network, this will be the next bottleneck. The network bandwidth to be taken into account for the RAW video stream. You can't use H264 encoding to do this (resolution exceeds RPi GPU encoder limit), but can try MJPEG. W...
by Realizator
Tue May 31, 2022 9:54 pm
Forum: StereoPi v2 hardware
Topic: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?
Replies: 7
Views: 571

Re: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?

Thanx! All settings looks good to me.
Could ypu please share the "Menu -> Camera settings -> Camera" settings too?
We need to check the "preview" checkbox and "Preview opacity" settings.
by Realizator
Tue May 31, 2022 9:49 pm
Forum: SLP2 RaspiOS image
Topic: Can't connect to wifi network from SLP2 with error message
Replies: 5
Views: 477

Re: Can't connect to wifi network from SLP2 with error message

huh, interesting case. Technically we are copying wifi name and password to wpa_supplicant, and it should work. The "SyntaxError: JSON.parse: bad escaped character at line 1 column 61 of the JSON data" message caused by pushing the password to admin panel (since '/' sign breaks some stuff). Could yo...
by Realizator
Tue May 31, 2022 5:01 pm
Forum: StereoPi v2 hardware
Topic: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?
Replies: 7
Views: 571

Re: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?

Could you please share your settings in Menu -> Display -> TFT display?

And also your video settings please (Menu -> Camera settings -> Video) please.
by Realizator
Tue May 31, 2022 4:58 pm
Forum: SLP2 RaspiOS image
Topic: Can't connect to wifi network from SLP2 with error message
Replies: 5
Views: 477

Re: Can't connect to wifi network from SLP2 with error message

the simplest way to check is to update your router password (remove special symbols). If it works after that - this was an issue. :-)

Could you please share these special characters here on the forum? I'm curious. Maybe we can try to isolate them somwhow.
by Realizator
Tue May 31, 2022 12:54 pm
Forum: StereoPi v2 hardware
Topic: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?
Replies: 7
Views: 571

Re: How to get live preview on StereoPi 2 Camera Kit's 2-inch LCD?

Hi sodyiumcl,

Since you are able to see the StereoPi logo on your TFT screen, it is connected and configured correctly.

Did you install the latest update for SLP (usint this way described in our Wiki)?
by Realizator
Tue May 31, 2022 12:52 pm
Forum: SLP2 RaspiOS image
Topic: Can't connect to wifi network from SLP2 with error message
Replies: 5
Views: 477

Re: Can't connect to wifi network from SLP2 with error message

Hello sodyiumcl,

Could you please share your cosmostreamer.conf file with me? You can send it by email to [mynickname]@gmail.com. Loosk like you have a typo or a special character in your wifi router name/password.

p.s. please do not share this file on the forum with all your WiFi AP credentials :)
by Realizator
Tue May 31, 2022 12:48 pm
Forum: SLP2 RaspiOS image
Topic: SLP2 FAQ
Replies: 13
Views: 3245

Re: SLP2 FAQ

Hello MJB83, 1. Could you please confirm that with OpenCV image you have a success with 'raspistill -cs 0' and 'raspistill -cs 1' tests? That's important. 2. For the SLP - did you try another micro SD card? 3. Try this thing. After recording the SLP2 image to the micro SD card, connect this card to ...
by Realizator
Tue May 31, 2022 12:39 pm
Forum: OpenCV, Python and other image processing
Topic: Size and framerate
Replies: 3
Views: 434

Re: Size and framerate

Hi asdf, You can face a few botlenecks with high resolutions, that's truth. To localize your bottleneck I'd start with checking of the real raspividyuv output FPS first before piping to Python. You can use display output to check, if you are getting 20 FPS requested or lower. The next step is checki...
by Realizator
Fri May 27, 2022 10:06 am
Forum: SLP2 RaspiOS image
Topic: SLP2 FAQ
Replies: 13
Views: 3245

Re: SLP2 FAQ

Hi MJB83, In most cases the issue is poor camera ribbon cable connection, or CM4 connection. Since you are talking about tscreen messages, I guess you have a monitor connected, so you can do a few tests. Since you are new to Pi, let's go a bit simpler way for the hardware test. 1. Please use another...
by Realizator
Tue May 24, 2022 10:37 am
Forum: StereoPi v2 hardware
Topic: Using 2 different MIPI cameras
Replies: 2
Views: 380

Re: Using 2 different MIPI cameras

Hi thntpl, Your situation requres some advanced tricks and settings. To say briefly, you won't be able to solve this using the regular raspivid/raspistill approach, due to the fact that in this case video subsystem is able to use only a single driver for the camera. To get system working you need to...