Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [picamera]

For questions involving the python picamera module used with cameras that into the CSI jack on the board. For questions about use of the camera hardware itself, use the 'raspicam' tag.

228 questions
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Fast pictures with PiCam and Java

I was already searching through forums and this stack exchange but I couldn't find anything that helps. So here is my problem. I have written a program in Java that analyzes pictures and outputs certain information, the algorithm itself certainly is…
Clex
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picamera and Ubuntu 20.04 arm64?

Does picamera work on Ubuntu 20.04 arm64? I am on pi4 4gb. Added start_x=1 to /boot/firmware/usercfg.txt and rebooted. Checked for updates. pip3 install picamera - ok. When import picamera is called, I get: OSError: libbcm_host.so: cannot open…
lead-free
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Camera access in docker container is generating errors / locking

I am trying to build some machine vision software inside docker containers, it has worked previously, but now both devices are not able to access the camera. It seems to be a configuration/update problem, as it has worked previously. I am not sure…
Niels Jakob Buch
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How to directly render pi camera output to display using C++

Right now, I'm building an application and one of the sub goals is to display the camera to the screen with a good resolution and frame rate. I'm also trying to keep the cpu usage as low as possible since there'll be other tasks running in the…
Zium
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How do I stream video from raspberry pi cam to my android phone app in order to access it from anywhere?

I'm a little bit new to the raspberry pi. Currently, I have a raspberry pi camera recording live video. I want to transfer this stream to an android app I developed. I really don't know where to start, and I would appreciate any guidance.
Ajay
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Opencv VideoCapture much faster than PiCamera

I am trying to process frames from my V2 RPI Camera at high framerates and am stuck with the picamera module. The VideoCapture class from OpenCV seems to be much faster than using PiCamera.capture_continuous(). Here are my two different test…
Camill Trüeb
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Wide angle lens for Raspberry Pi v2 camera

I am looking for adding a wide angle lens to the Raspberry Pi v2 camera. Googling helped me locate a 3D printed lens holder and lens that I can attach to the v2 camera. Now I have the M12 lens and the M12 lens holder. I am not sure how to proceed…
55597
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Accessing GPU memory content

I'm currently working with advanced picamera parameters. A new functionnality to come is the "lens shading correction", a RGGB array that modify the image generated by the camera in order to compensate darks halos and color shifting. The generation…
Technico.top
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Camera only working with deprecated legacy option

I have a camera module connected to my Pi 3B+. I have downloaded the very latest raspberry Pi OS (called bullseye) which does not support the old. legacy camera stack. You don't even have to enable the camera in config any more, it should now be…
Kokodoko
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Speckle noise from Raspberry Pi NoIR camera V2

I'm getting unusual amounts of speckle noise from my RPI camera. Note the black speckles on the image: and see a 2 second video showing the same noise here. The camera is connected with a 2 meters long ribbon cable (not the default short one you…
12.yakir
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Knocked off an SMD from Raspberry Pi Camera Rev 1.3, but camera still works. Is the SMD needed for continued operation?

I accidentally knocked off and lost an SMD labelled "C9" from the Raspberry Pi Camera. The Camera still works, and I am unable to spot any differences. What is the role of the capacitor, and is it needed for proper operation of the camera?
Aayush Panda
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PiCamera Video Corruption

I'm trying to save video from my picam and it ends up like this: import picamera # set up camera camera = picamera.PiCamera(); camera.resolution = (640, 480); camera.framerate = 24; #…
Ian Chu
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USB Camera vs Pi Camera

I'm using USB camera for object detection. I can't find code for them because the common blogs or articles are about object detection using pi camera only. Is object detection possible with a USB camera?
Arren Bul-an
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Shutter speed and exposure time of picamera

Is it possible to control the exposure time and shutter speed of raspberry pi camera. If yes, how ?
user211628
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PICamera white balance difference between preview and capture

Below is a screen shot of the preview and the captured image of the same scene taken from a single PICamera at the same time. As you can see the one on the left (the capture) is noticeably bluer than the one on the right (the preview). Does anyone…
bashBedlam
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