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.
213
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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 ...
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2
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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 ...
4
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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 ...
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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 ...
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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;
# record
camera....
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3
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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....
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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 ...
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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 ?
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Pi Camera (F) disable Night Vision on Day and use as normal camera
I have a Raspberry Pi Camera (F), Supports Night Vision, Adjustable-Focus and I wanted to use that to make a timelapse of some plants in python.
python code for taking a snapshot:
camera = PiCamera(...
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3
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Is there a jpg viewer for a pi zero w running buster lite
My pi camera is attached to a pi zero w running buster. The pi zero normally runs headless. But while I'm developing my code, I've got a keyboard and monitor attached.
Is there a way to preview jpg ...
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Non Native Raspberry Pi Camera
I am trying to set up this camera to my raspberry pi 4. The fact about this camera is that, according to the seller it's different than the normal v2 cameras that we typically install on raspberry pi ...
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Getting errors in pip install picamera
Running setup.py clean for picamera
Failed to build picamera
Installing collected packages: picamera
Running setup.py install for picamera ... error
ERROR: Complete output from command 'C:\a\...
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1
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Why can't I access camera through my remote desktop?
I am currently running ubuntu 18.04 and I have a picamera connected to my rpi. When I use the main display and connect the rpi to my screen via HDMI, I can access the camera using the opencv library ...
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1
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Picamera: set shutter_speed with RAW acquisition
I'm using a RPi zero W with a camera V2 to acquire RAW images (I used this).
However, I would like to set the shutter speed; I used this to do that, but that doesn't work:
import time
import picamera
...
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2
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1
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216
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How to expose for longer than 1/3 of a second with PiCamera HQ using picamera?
I've used the script below to make some under/over exposures in low light levels using the PiCamera HQ and the picamera module.
In order to get long exposure times I've found that the camera object ...
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1
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88
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PiCamera stream differences
I'm trying to create a h264 stream from my Pi 3 and display it on an Android application.
After several attempts I found quite a simple solution:
raspivid -n -ih -t 0 -w 640 -h 480 -fps 25 -b 2000000 -...
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where can I get the driver of imx219
I'm building kernel(xilinx) and rootfs(debain10) for Avnet96v2 board which has connetted a imx219 via mipi adapter， where can I get newest official driver for the camera, if it is existing.
By the ...
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How to stream RaspiCam video on webpage on Django server running on other PC?
Hey I wanted to stream rpi cam live footage to a webpage hosted on django server running onther Pc.Any suggestions on how to do it.Thanks.
2
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1
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Camera flash with Picamera2
Is it possible to have Picamera2 trigger a flash when taking a picture?
In an older version of my project I used a v2 camera module. I got flash working by creating a device overlay to define the ...
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0
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282
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What is ~delay after picamera2.capture_file code until sensor data is captured on Pi Camera Module 3?
I am using Python picamera2 to capture a max res still image from a new Pi Camera Module 3. I create a picamera2 instance (I'll call picam2), configure it ahead (including manual fixed focus) and ...
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0
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RPi Camera V2 not detected with Raspberry Pi4 running Ubuntu 20.05 LTS
I am running into a problem in which I am unable to have my Pi detect my new RPi Camera V2. I am running on Ubuntu 20.04 LTS (focal) since I am working on a robotics project that requires ROS2(foxy).
...
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0
answers
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HQ camera hanging after gpu_mem is increased
I just recently got a Raspberry Pi HQ camera and wanted to operate it using a python script.
I initially tried to take full resolution pictures using the default gpu_mem=128, but the program crashed ...
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HQ Camera: Save as BMP file not working consistently
I've been working on a project using the HQ camera where I want to take a small bitmap image (100x100), do some analysis on the bmp file, and using that information determine whether that exposure ...
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Rpi Camera in ubuntu server 20.04 raspistill working, but python picamera and c++ raspicam not
I have been able to get the rpi camera v2 working on ubuntu server 20.04 (64bit) by using raspistill. However I am having trouble getting it to work with the python package picamera and the c++ ...
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431
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Raspberry Pi stops running cron job after a few hours
My raspberry pi 4 is set to run a python script every hour that turns on some philips hue lights and takes a picture with the camera module. It worked perfectly for 26 days, then it stopped running. ...
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0
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Sending an image from Pi Camera continuously to a display
I want to send 6 images per minute from the Pi Camera continuously to any display. Like for say I have the camera that is at my house but I want to send the images to my work computer.
The end goal ...
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0
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picamera: capture a frame while continuous capture in background
I'm capturing a timelapse with the picamera module for python:
def capture_thread_task(self):
filename = os.path.join(self.SAVEPATH, self.safe_camname + '_{timestamp:%Y%m%d-%H%M%S}-{counter:03d}'...
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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 ...
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How to tell if the Pi Camera is connected?
Simple question, but searching did not return an answer.
I have a Pi4 and a Pi Camera. This camera is not USB and does not appear in lsusb output when it is working.
# lsusb
Bus 002 Device 001: ID ...
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Powering Raspberry Pi 3 with 5v/3A Buck converter
I am using Raspberry Pi 3 with Raspbian OS. I will be powering my Pi 3 board from a output of 24V battery. So I will be using a 5V/3A buck converter. I will be connecting my GPS, Pi camera and 4G ...
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Help need with python script for PiCamera
I am working with the Raspberry Pi camera and need some help regarding the python script. I need to capture a set of 5 images continuously every 5 minutes interval until I want it to stop. This set of ...
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652
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Raspberry pi camera module 3 works only on libcamera
I recently bought a Raspberry Pi 3b+ and Camera module v3. After days of troubleshooting, I got the camera to spit out images on the libcamera CLI. But, I can't create a picamera.PiCamera object in ...
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How to add libcamera to pyenv
I am running a pyenv with 3.10.5 for a RPi 4 b.
RPi OS version if important:
pi@raspberrypi:~ $ cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 11 (bullseye)"
...
The pyenv was simply ...
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202
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How can I specify the format of a picture as a MIME-type?
I use a simple code that saves pictures from the picamera as a jpeg.
But i want to save the pictures as a MIME-type, which should be possible according to the API, specifically as a .tiff-format.
Can ...
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237
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How to run piCamera script in rc local?
I have created a simple python script for the pi camera which works when run as is.
the file is located in ~/Destop/python
cameratest.py
import picamera
import time
camera = picamera.Picamera()
...
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Making a IoT Motion Sensor w/ Security Camera
I'm trying to find the easiest and most efficient way to create one. I have the below already, is there anything else that I would need? Where can I find some code for me to copy. I don't necessarily ...
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Raspi camera module V3 with Octopi
Recently purchased raspberry pi camera module 3 NOIR. My plan was to use it for octopi (octoprint), however, i tried my best but couldn’t make it work, and followed many of pages on net but no result (...
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2
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192
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Python script will not write out file when scheduled (cron or bash.rc)
I have a python script to record a .mp4 file with picamera2 which executes and save correctly when run through the editor (thonny) and through the terminal. However, when I schedule it through crontab ...
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1
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796
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Does the official RaspPi CameraV2 work on RaspPi B rev2? I'm having trouble
I have a new official Raspberry Pi Camera V2 and am trying to use it on a Raspberry Pi B revision 2 board running the Sept 24, 2022 version of the Raspberry Pi OS Bullseye.
I have carefully connected ...
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RPi High Quality Camera degraded image quality and "spots" covering sensor cover surface; can it be fixed?
My Raspberry Pi High Quality Camera was excellent last year when I wrote this answer including these images but I tried it again a year later and something has gone very wrong with the front surface ...
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Libqtgui4 is not available (Has no installation candidate)
I am trying to run this command:
$ sudo apt-get install libqtgui4 libqtwebkit4 libqt4-test python3-pyqt5
But I receive these errors:
Package libqtgui4 is not available, but is referred to by another ...
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1
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I want to take images with a framerate of 30 fps during 30 minutes using thonny (python)
I have the Raspberry pi camera v 2.1 and I want to take photos for 30 minutes at a speed of 30 fps or less, but I want to be able to vary it. So far I have achieved it with "picamera" and ...
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1
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picamera: Incorrect buffer length error when resizing in picamera.capture
I am trying to use picamera to record and save a high resolution video, and capture low resolution images for processing using openCV.
import picamera
import picamera.array
import cv2
import numpy as ...
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1
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620
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Motioneyeos not booting on my Raspberry pi 3B
Stuck at this message “Formatting data partition” while trying to boot MotioneyeOS from a Raspberry pi 3B. I’ve flashed a 32GB microSD with the motioneyeos image file using Etcher. Is the problem with ...
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