Questions tagged [raspicam]

The CSI interface camera from the Raspberry Pi Foundation available in a natural colour and a NoIR version without infrared filter, latter is suited for night vision and other special applications.

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533 views

How to synchronize images from two raspberry pis

I have 2 Pi Zero Ws (wifi), each with a Pi camera connected to them. Both Pis/cams are running on battery power and deployed in the desert. There is no network or internet connection. The cams are ...
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1k views

PiCamera v2.1 exposure can't be locked, Python Picamera 1.13

I have posed this question on the Picamera Github issues forum but it has not been answered in nearly a month. Hoping for better luck here. I am running a Pi Camera v2.1 in an industrial measurement ...
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2answers
172 views

How can I add a delay before raspberry pi cam starts recording?

I am using the following command to take video: os.popen('raspivid -1 640 -h480 -fps 25 -o motionCapture/' + timeStamp + '_motion,h264 -t ' + str(timeInSeconds * 1000)) The problem is when I try to ...
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496 views

Straming Raspberry camera to own Apache Server - Command not found

I am planning to implement a camera video stream from the Raspberry Pi to its own Apache server. I trying to solve this for a week now and i am pretty frustrated by now. I came across this tutorial ...
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1answer
469 views

Pi Camera: Raspberry Pi 3B+'s red led blinking

I'm developing a project based on a Raspberry Pi 3B+ which utilizes an original Raspberry Pi Camera module. I'm powering the RPi from a 12V 4-cell LiPo, brought down to 5V by a power distribution ...
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1answer
3k views

Calculating focal length of Raspberry Pi Camera

This article claims you can calculate the focal length of the Pi camera with the equation: F = (P x D) / W where: W is width of known object D is the object's distance from the camera P the ...
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553 views

Raspistill preview window invisible

A couple of months ago, I had a good installation of the raspberry pi, and the picam module I was using was working great. Recently, one of my raspi's drivers got corrupted, so I had to re-install the ...
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490 views

Pi Camera V2 vs. Pi NoIR Camera V2

I'm using a Pi Camera v2, but the ambient light causes many reflections. So I thought it was necessary to use a Pi NoIR camera with infrared led, in this way the cam sees only the part illuminated by ...
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1answer
3k views

Camera module not getting detected

I get this error when I run 'raspistill -t 2000 -o image.png -e png ' mmal: Cannot read cameara info, keeping the defaults for OV5647 mmal: mmal_vc_component_create: failed to create component 'vc....
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322 views

Storing faces in database by capturing images with picamera

I am trying to do facial recognition with the picamera and Pi 3. At the moment I am trying to get the picamera to capture 20 faces and store the images in the database. Here is my code: import cv2 ...
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1answer
47 views

Motion Service Hanging Up Pi?

I have had a raspberry pi B+ for a little over a year now, and I've noticed consistent performance issues after running motion service for a long period (anything over an hour or so). Originally I was ...
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1answer
68 views

PiCameraNotRecording exception when trying out PIR script

So I was trying out this exact same script in this answer https://raspberrypi.stackexchange.com/a/46513 but when I tried to run it (for the second or third time) it gave me this exception: Exception ...
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1answer
425 views

What is the shortest light wavelength in nanometers (nm) that a raspberry pi camera can capture?

I would like to use a Raspberri Pi with camera to capture short-wavelength ultraviolet light from a UV led diode. I would like to use an UV led with light invisible to the human eye (less than 390nm ...
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1answer
2k views

Camera gets hot, how much power should it dissipate?

I planned to add the chinese NoIR RPi camera in a birdhouse. First tests revealed, that the camera module heated up to 65 ⁰C. The IR LED's were very warm too. How much power is dissipated by the ...
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761 views

How to install raspistill on Ubuntu Core?

I would like to be able to take pictures with the Raspberry Pi camera while running Ubuntu Core (Snappy). How can I install/enable the camera? This question is about Ubuntu Core, not Raspbian.
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75 views

RPI 3 Motion detected apparently because of the light

I recently turn my Raspberry 3 into a surveillance camera with the official camera. Whenever a motion is detected I receive an email with the video. It works pretty well but I realized that I received ...
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1answer
1k views

How to properly configure python PiCamera settings for use in an ice hockey rink?

Ive been building a sort of "Raspberry Pi GoPro" device that hooks onto the end glass of a hockey rink and records the action on the ice so I can go over video from my skates and work on technique. ...
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165 views

PiNoir Camera - using rolling shutter

As far as I know, the camera chip in PiNoir camera has a rolling shutter. This basically means that the camera records the image line by line, waits for all the lines, and returns them as a single ...
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2k views

Picamera slow capture

I am using raspberry pi camera on CSI2 interface on Pi3. I have performance problems. I simplified the code to only capture module and it takes around 0.5 sec. What is the solution? import time ...
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2answers
166 views

Raspberry pi camera send by 3G usb key

I have a Raspberry pi 3 with a connected EG usb key on it. The communication is established and works well. In an other part, i have configured my Raspberry with a pi-camera. I can see in local ...
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2answers
1k views

Image artifacts in raw TIFF from Pi Camera disappear when I first save as DNG and then convert. What gives?

I'm trying to use the Raspberry Pi plus the NoIR Picamera module V2.1 to collect raw (bayer-filtered) IR images for NDVI analysis of plants (programs written in Python). So far, I haven't found anyone ...
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1answer
2k views

Green image with rpi picamera

The following code generates a green image in raspberry pi with picamera. import picamera with picamera.PiCamera() as camera: camera.resolution = (1280,960) camera.exposure_mode = '...
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118 views

Take images as quickly as possible from RPi Camera and send to MATLAB for processing? [closed]

I'm using an RPi camera module in conjunction with an RPi 3 (Stretch) to track quick motion - I want to capture images as fast as possible (quick = minimum 30 fps) and send to MATLAB image by image ...
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1answer
31 views

Is there a way I can increase the shutter time in rpi zero camera v2.0?

I am using a raspberry pi zero camera v2.0 and I need to increase the shutter time to get more photons and images in raw format. How can I achieve this? Thank you.
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Raspberry Pi Camera uv4l stream a recording at the same time with Picamera

Im using uv4l to stream from my raspberry pi, and it works perfectly but if i wanna use a python script to record while streaming i'm getting this error: mmal: mmal_vc_port_enable: failed to enable ...
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1answer
28 views

Is it possible to use ribbon camera input as additional USB/ethernet port?

I have an Raspberry Pi Zero and I wonder if I can get more USB ports without concentrator :?
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679 views

Can Pi's GPU be used for RAW to JPEG conversion?

I have captured few RAW images using my PiCam v2.0. I want to convert these images to JPEG and analyze the time taken by GPU, which has the Image Signal Processor, for performing this conversion. As ...
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1answer
641 views

Raspbian Picamera web stream and record

I've been searching this for a while and I found a few posts that look interesting but it doesn't do what I really want. I am trying to set up a Raspbian security camera that records the video to a ...
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1answer
1k views

How to stream and store video from Raspberry Pi camera and watch it live

I want to create a live video streaming through raspberry pi which can be integrated with my website. The stream must be an open standard so that it can be easily played on any JS video player with ...
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2answers
357 views

Why does raspividyuv need sudo?

I'm running Arch Linux ARM on my RPi 1B. I'm trying to pipe raspividyuv's output to a program that I've written and it seems that I can't run raspividyuv without root privileges. raspivid works fine ...
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1answer
1k views

Raspistill doesn't work well in low light

I am taking photos every hour during the day. Photos at night are very underexposed as you can see in my example. Here's the part of the python script that matters import os os.system("raspistill -t ...
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1answer
2k views

Stereoscopic capture (2 cameras) on Raspberry Pi 3?

What's the best way to connect 2 cameras to the Raspberry Pi? Is it true the only way to do it is with the compute module? Can you use 2 USB cameras? Can you use a multi-camera adapter like this? (...
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1answer
6k views

Is there a python picam gui out there?

Before starting to code a new GUI in tkinter (or something similar) for picam, I was wondering if there is something already available. What I am looking for is a simple GUI to set the picam ...
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1answer
5k views

ERROR opening V4L interface: No such file or directory

Environment information (cat /proc/cpuinfo): processor : 0 model name : ARMv6-compatible processor rev 7 (v6l) BogoMIPS : 697.95 Features : half thumb fastmult vfp edsp java ...
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1answer
1k views

PiCamera long exposures

Revisiting this issue Raspistill in manual exposure I found that the shutter time of the photo I got from this command raspistill -ss 6000000 -t 30000 -o long_exposure.jpg is 6 seconds as ...
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2answers
4k views

Pi cam over SSH or VNC

I am new to raspberry pi and have started a project. I have a pi 3 and I am making an infrared night vision remote controlled car with a infrared pi camera I found on Amazon. So far everything is ...
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0answers
437 views

Pi zero with Pi can video steaming stability issues

I wanted to setup my pi zero and pi camera as a rstp streaming cctv camera. I tried motion, but this ran the pi at 100% cpu utilisation and I didn't need motion capture as a I have a seperate (motion) ...
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3answers
7k views

Raspberry Pi 3 and V4L2 C++ Capture Code for JPEGs

I have a Raspberry Pi 3 with the latest Raspbian Stretch, and the Sony 8MB official camera. I can save a good looking JPEG with the following commands: v4l2-ctl --set-fmt-video=width=2592,height=...
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accessing raspberry pi camera from raspbery pi 3 with android os

I successfully installed Android 7.1.1 using this tutorial. But I couldn't find default camera app inside it. Also, I pluged raspberry pi camera (B) rev2.0 on it and installed my own android app but ...
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1answer
58 views

one RPI's capability to multi-task with complex Image Processing

I, as part of a project, have decided to implement a small scale version of automated collision avoidance system. I chose to go with Image based object detection. After initial research, I figured out ...
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0answers
238 views

Random Raspbian crash on Raspberry Pi Zero W + RaspiCam

I have raspbian installed on my RPI Zero W and I wrote simple bash script to make photo on raspicam every 30 sec. (I also have ds1307 to have RTC when RPI is offline) I add to my crontab: @reboot /...
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668 views

OpenCV and PiCamera problem

I want to get photo from raspberry pi camera in python and i tried this code and it's works for me: for filename in camera.capture_continuous('img.jpg'): test_img = cv2.imread('img.jpg') But ...
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0answers
194 views

Error code when using NoIR camera - failed to run camera app

I am trying to use the NoIR camera for the Raspberry Pi 3, and am getting the following error code: mmal: mmal_vc_component_enable: failed to enable component: ENOSPC mmal: camera component couldn't ...
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1answer
3k views

Installing mmal motion on RPi

I have been trying to install motion on my Pi3, only to be chasing library errors at every step. None of the tutorials seem to say what flavor of Pi OS to use. I am beginning to wonder if I chose ...
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3answers
540 views

Will long-term viewing of a sunny sky hurt the Pi Camera?

If a recent model Pi Camera faces the sky for months or years, is there anything known about damage to the sensor from long term exposure sunlight? Of course I know this might not be advised, but I'm ...
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2answers
1k views

raspivid with awb off gives black image

I want to turn off auto white balance for my raspivid stream. However, when doing that, the image turns completely black. Why? And how do I fix this?
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1answer
162 views

Why does the PiCamera() preview start bright and then immediately get dark when using a low frame rate and high shutter speed?

I'm adjusting some of the PiCamera parameters to make it work well in low light. However, when I preview the camera (in low light) the image starts off looking great and then immediately darkens. ...
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1answer
171 views

Cannot enable Rasberry Pi camera

Whenever I try uploading a code to run my camera it says camera not enabled , therefore I activated my camera from the rasberrypi configurator which did not work as well , also updated camera using ...
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1answer
387 views

python-OpenCV cv2.videocapture window shrinks

I am trying to get a simple opencv-python video capture to work which shows the live stream of the camera however when i run the code the camera window frame opens up and then immediately shrinks into ...
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1answer
5k views

Execute raspistill from Python

I was trying to capture images using the Python picamera module and was always getting Timed out waiting for capture to end error (See this question). Since the shell command raspistill works fine, I'...

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