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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.

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Issues with picamera

Hi I am having issues with my picamera, I have installed everything and enabled the camera but when I run the code and try to open the picture taken it says that it contains no data, does anyone know ...
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Simultaneous frame processing and Live stream video using PiCamera and RPi

I am building an application for Real-time Video analysis using Deep learning and so far am successfully able to, Capture set of frame [with PiCamera@4fps/ 10 Sec Video] using picamer....
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Using raspvid to stream to PC, I can see data on PC received but how to work with in openCV?

I am using PiCamera on my PI. I am executing this command on the PI: raspivid -n -t 0 -w 640 -h 480 -fps 30 -o - | nc 192.168.0.12 5000 On my computer (windows), executing this command: nc -l -p ...
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Can you use the PiCamera library with a camera that is isn’t the PiCamera like the picture?

!camera that I want to use(https://i.stack.imgur.com/GUJ2q.jpg) I’m having some issues getting this camera to work, getting told that I need to check the SUNNY chip that as far as I know is only on ...
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22 views

How do you transmit image data and input data from Pi to PC?

I am currently working on a university Raspberry Pi RC Car Project that deals with image collection along with key user input data. What i cannot seem to understand from various tutorials online is to ...
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26 views

Taking and Saving images fast! with Raspberry Camera

I want to design an autonomous RC car using Raspberry Pi B+. To achieve this I have to collect training examples (images) and commands to drive the car autonomously. The problem is I send commands ...
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14 views

Raspberry Pi Camera live output presentation

I am trying to setup a Raspberry Pi with Raspberry Pi Camera to output to the image local HDMI monitor. I can get that with raspivid -t 0. However what I want to do is format that live video image to ...
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CM3 Two Camera Previews, one “hangs/freezes”

First time forum poster here, but I hit a wall in debugging this issue. Thank you in advance for any input! Issue: I am using two instances of raspistill preview for two hours on two Pi Cameras V2 ...
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1answer
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Altitude will only work one time then spits 25000m? Camera also pausing every second

I'm working on a code for a High Altitude Weather Balloon and I wanted the camera to start recording after a certain Altitude. The first output of information is correct but then it spits out wrong ...
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42 views

RPi camera OCR,and save output in variable (pyhton with tesseract)

I want to make a python code for the raspberry pi, with the tesseract OCR engine, that it keeps reading text from the camera in realtime, saves in a variable, and sends output to Arduino. Is there a ...
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Should motion detection use images or still frames?

Some Context For a project I'm working on, I'm creating a security camera that detects motion. When the camera has detected motion, it checks again to see if that motion was caused by a human. This ...
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42 views

Raspberry Pi IR camera light sensor access

I am trying to use the light sensors on the the raspberry pi IR camera as a light sensor to determine if light is exposed or not. Is there a python picamera command that could access these light ...
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PiCamera Minimal latency between real world event and digital data presence

Using a picamera, what is the best latency one can achieve from a real world event like an led lighting up and the Pi/MCU 'knowing' it has occured(by extracting image data)? I would also be ...
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35 views

Camera feed sent through TCP socket gets stuck sometimes

I am getting the camera feed from a camera on a Raspberry PI to the computer using a TCP socket to use it for openCV. It works well with minimal delay. However, sometimes the frame gets stuck(freeze) ...
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24 views

PI NoIR camera very bright picture outside

I'm trying to use the PiNOIR camera, in the 4th floor of a building, I'm trying to film outside I see black image, or white very bright image. How would I resolve that issue ?
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Explain how to correctly warmup the camera

I get that we need to let the camera warming up to set AWB and other automatic stuffs, but, how and when ? I see people using time.sleep(1) or time.sleep(2), and regarding to discussions, this seems ...
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PiCamera python : buff/cache memory keeps increasing

I need to take a picture in each second in an infinite loop. I've wrote 2 different python scripts: one with camera.capture() and another with camera.capture_continuous() In both cases, I see the ...
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How to fetch latest camera frame from PiCameraCircularIO?

To achieve maximum performance delivering single JPG frames as a simple webservice I constantly fetch into a circular buffer with the picamera API. Unfortunately the documentation about it is not very ...
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1answer
58 views

raspistill timelapse stops producing output

So I'm trying to run a timelapse for 24-36 (or until storage space is full) but raspistill seems to stop producing output after anywhere from 50-300 stills. raspistill -t 129600000 -tl 5000 -o tlapse%...
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54 views

Pi Zero freezes with using camera recording / motion detect programs

I am having problems with a wildlife cam project I am working on. setup: Pi Zero W Stretch 2018-11-13 Pikrellcam with settings: 1024x768 12 fps 3,5 Mbitrate However, the pi frequently freezes. I ...
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95 views

Docker container, “* failed to open vchiq instance”

My Raspberry Pi camera is running on my RP3 and works fine. I am trying to run it inside a docker container, but I keep running into the * failed to open vchiq instance error. This is my Dockerfile ...
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What is the operating humidity of the Raspberry Camera Module V2

I'm developing a project involving a Raspberry Cam that is likely to take pictures in a relatively high relative humidity context. However, I can control the relative humidity (the setting is in a ...
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45 views

Scanning a QR code using a raspberry pi zero or a Pi3 via a command line script

I need to scan a QR code via the command line when a script is run. My current setup is an epaper display with integrated 4 buttons. So far I have each button programmed to run a script to change ...
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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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Python PiCamera V2 won't take bmp images, why the errors?

from picamera import PiCamera import time camera = PiCamera() camera.resolution = (3280,2464) time.sleep(2) camera.capture("test1.bmp") # This code doesn't work #camera.capture("test1.jpg") # This ...
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Multiple delayed output from pi camera

I’m trying to create up to 4 delayed outputs from the pi camera. The length of the delay needs to be varied 15-60 seconds. Is there a way to buffer the cameras feed and use the same buffer for all the ...
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71 views

raspicam TCP video streaming over ssh - almost there… but need help

I am trying to pipe raspivid over ssh to my main computer, and then via gstreamer send the stream to a dummy video device (thanks to V4l2loopback) environment : v4l2loopback version: 0.12.0 kernel ...
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My videobooth powered by raspberry pi, has a buzzing noise in the video clip, because of external lightning

My videobooth consist out of: raspberry pi 3b picamera (I use picam) usb microphone (which is actually a external sound card usb with jack input to the microphone) 4 led TL lights (230V) (switched on ...
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1answer
19 views

Camera errors when running Python script at boot from rc.local

I have a Python file that calls the camera to take video when a motion sensor is triggered. I am running it at startup using rc.local (I have the '&' at the end). When I run it normally, it works ...
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80 views

PI NOIR Camera Not Working

I recently bought a Raspberry Pi 3B+ and a Pi Noir Camera and attempted to set them up. I followed the install instructions on the Pi website for the board and camera, and unfortunately received an ...
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27 views

Configuring Raspberry Pi Face Detection and Espeak

I am working with a Raspberry Pi Face Detection program and Espeak to tell that Human Face Detected. I'm using Pi Camera for face detection. The face detection program works fine. But the problem is ...
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238 views

RPI object tracking with multiple objects

I have been reading a tutorial on creating a Rpi colour based object tracking system but have been unable to test it due to me being a away from my Rpi. However I have read through the code and it ...
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51 views

A way to connect M RaspiCams to N raspberry Pi Compute modules, where M>>N?

I am planning to set up camera rig, which will require 10+ cameras (preferred 20+ or "as many as possible" in spatial arrangement around the observed area. The setup will be academic, experimental, ...
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Can pi cam with raspberry pi take pictures at car speed of 40KPH?

If I attach a pi-cam at front of a car and want to take pictures of the road at car speed of 40KPH, can the pi-cam take clear pictures? And is there a way to constantly change the fps of picam ...
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How do I get Raspberry Pi Camera Serial Number?

This is necessary so that we can uniquely identify cameras that get moved between pis. We found that we could get the camera serial by communicating with it over i2c0, but this required enabling i2c0 ...
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81 views

How to light up picamera LED without taking photo

I want to light up the picamera LED using python for a few seconds as a test to see if it works, without actually taking a photo. And yes I know I can test that by just taking a photo and watching it ...
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1answer
81 views

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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75 views

PiCamera Motion Error

I am using the Raspberry Pi 3 B+ w/ Raspbian Stretch. I am currently unable to view the video stream on port 8080 or 8081. When I start the command: motion -s "test" recipientemailhere This is what ...
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Camera used to work, now waiting forever to take a picture

I was using my camera fine, however; today after a short travel inside its original box, when I use raspistill .. I get no data received from sensor error. I have checked the ribbon, and the led on ...
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211 views

berryconda Pi Camera

I recently installed berryconda python 3.6 on my Rasp pi b+ And now my programs for accessing the Pi camera do not work. I know I have the pi camera enabled thru theses steps: https://projects....
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1answer
150 views

Octo print with Pi Cam works fine, added webcam but can't find the Pi cam any more

I've been using my raspberry pi cam module wonderfully for a while and it's attached to the corner of my print bed so I can monitor the first few layers and general build. I want to add a webcam to do ...
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3answers
143 views

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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1answer
232 views

Multiplexer vs RPI Compute Module for stereo camera?

I am looking to capture images simultanously using 2 picameras (tried USB the FPS is low). It seems like there are 2 options: Raspberry Pi compute module 3 with IO board which gives 2 CSI ports(...
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77 views

Wrong timing in picamera video capture?

I'm using a real simple python script to capture a video file to a file, taken from the "simple recipes" guide : import picamera camera = picamera.PiCamera() camera.resolution = (640, 480) camera....
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2answers
488 views

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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401 views

Picamera error picamera.exc.PiCameraMMALError

I just bought Raspberry Pi3 B+ and camera module. I installed Python and opencv on Pi. There was no outstanding error during installation. I connected to Raspberry pi via ssh from my mac. When I run a ...
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422 views

Picamera capture to array is slow

In python module picamera, does anyone noticed that camera.capture(array, 'rgb') is quite slow?? If you try to measure this time is about 540ms... example code (the "real code" is irrelevant): from ...
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Inconsistent Raspberry Pi Recording Behavior

BACKGROUND I've created a recording program in Python 3.7 that reads solar and tidal information, and schedules the Raspberry Pi to capture photographs at times of interest using the camera module v2....
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58 views

log TTL event time along with frame timestamp using picamera python library

I am using picamera library to store the frame timestamp along with the video. Next, I am sending square TTL pulse to the raspberry pi GPIO pin with the following signature: 1 second ON, 1 second OFF, ...
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136 views

Move PiCamera overlay with button

Sorry for my bad English. I am a beginner in programming and need help. I would like to be able to move an overlay on a picamera image with a button. Can you help me to create the function? fx=0 ...