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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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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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1answer
645 views

How can capture many images using picamera and loop and different name? [closed]

Here's my current Python code: import picamera with picamera.piCamera() as camera: for i in range (10): camera.capture("/home/pi/Desktop/newfile/newimage.jpg")
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2answers
145 views

Developing custom effects for raspivid?

Has anyone created a custom effect for raspivid's -ifx option? From a quick look at the Github repo, it seems there is it might be run through the MMAL interface but I have no idea where to get ...
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0answers
80 views

PiCamera 2.1 shows occasionaly same picture in continuous shooting mode

I don't know what's wrong but when I use stream (io.BytesIO()) when I want to save one picture after another from time to time I get same picture saved. Code: from picamera import PiCamera import io ...
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1answer
430 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 ...
2
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2answers
2k views

Can Raspberry Pi NOIR Camera see near infrared light (~1550nm)?

I wish to create a pattern using 1500nm laser and analyse the images.Will any Pi-Cam (NOIR) capture this? Link to research regarding camera characteristics with respect to wavelength upto 1500nm ...
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1answer
1k views

Raspberry Pi NoIR Camera - PiCamera/Raspistill

I have a RPi Noir V2 camera running on my Pi Zero w. I have been taking time lapse pictures from dusk till dawn and have had different results using Python 3 PiCamera and the shell command Raspistill....
5
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3answers
715 views

Is it necessary to release Raspberry Pi Camera before rebooting? If so how do I do it?

I have a python3 script that uses OpenCV and a Raspberry Pi cam. It runs almost 24/7. Using crontab the pi will reboot every night at midnight and the script will begin running again. This is mostly ...
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0answers
373 views

PI camera: Image processing

I am interested in image processing with Pi camera. My intentions are as follows: To fetch an image of 64 x 64 resolution at 60 fps in a buffer one by one continuously. Process each image in real ...
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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? (...
3
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1answer
3k views

Taking images from raspicam at 100 fps

I have been using my raspberry pi and working with the camera module. The lowest time taken by regular raspistill to capture a single image is about 900ms. I use the picamera python interface with ...
2
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1answer
877 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
151 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 ...
0
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1answer
51 views

Raspberry camera is not giving any output?

I am using Raspberry pi 3 Model B and Raspberry Pi Camera v2.1. When I am using a simple code to show the live video, it is neither giving any output nor any error. During the running time of code, ...
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2answers
413 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 ...
0
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1answer
451 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 ...
0
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1answer
1k views

PiCamera fails after a while: Out of resources other than Memory

I'm running a program which records a 5 second video and analyses it every 30 seconds. The program runs for a while but after like an hour or so it fails saying ● clocktwist.service - My Pendulum ...
3
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3answers
5k views

Relative benefits of standard vs NoIR module cameras for Raspberry Pi

I'm looking at the module cameras available in Amazon, and it seems a clear choice between the standard module camera and the NoIR version (which is the same as standard but with infrared filter ...
7
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4answers
4k views

How to turn off the CSI, and turn it back on again

I am using the Waveshare RPi Camera (F), which comes with two IR LED boards to enable nightvision (they look like two big eyes on either side of the camera 'nose' - at least that's what it looks like ...
2
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0answers
2k 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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0answers
476 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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0answers
454 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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0answers
291 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 ...
1
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1answer
44 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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2answers
30k views

Take images in a short time using the Raspberry Pi camera module

I'm working on a project in which I need to take about 30 images per second (no movie) using the Raspberry Pi camera module. I'm using the Picamera library (http://picamera.readthedocs.org/en/latest/...
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1answer
388 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 ...
0
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1answer
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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0answers
159 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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0answers
1k 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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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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0answers
116 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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0answers
283 views

Raspistill picture washed out or complete green in direct sunlight

I've create a script to take pictures periodically using my Raspberry Pi Zero W and a camera module. The script works, but I find the exposure lacking. In sunlight, the pictures are washed out or ...
3
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0answers
727 views

How to properly trigger multiple Raspberry Pi camera modules via GPIO?

I am working with three Raspberry Pi 3 B boards, which in turns have RPi camera modules V2 connected to each. I followed this very detailed post about triggering another Pi using GPIO pins and it ...
0
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2answers
1k views

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 ...
0
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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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0answers
605 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 ...
18
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3answers
31k views

How can I enable the camera without using raspi-config?

I am trying to use the raspi camera on a minimalized version of wheezy. The command raspi-config is not available. I have been able to do everything without it so far by editting /boot/config.txt or ...
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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 ...
3
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1answer
2k views

Multi-Cam Module Error

I am trying to run 2 Camera Modules via the Multi-Cam Module(https://www.amazon.com/Arducam-Camera-Adapter-Compatible-Raspberry/dp/B012UQWOOQ) on a Ras-Pi 2B. The pi is running the latest version of ...
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1answer
935 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 ...
3
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3answers
483 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 ...
0
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1answer
499 views

UV4L MJPEG Streaming

May I know how to determine the number of streaming connections to uv4l from Python when the streaming server is running in Raspberry pi?
4
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1answer
3k views

What is the speed of the Camera Serial Interface (CSI) and its cable?

What is the speed of the CSI interface and cable? I'm looking for an answer that is in either x kb/sec or x secs/picture.
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2answers
5k views

Pi Camera Module frames directly to OpenCV lib for processing

My intension is to use raspberry Pi for tracking coloured object. I am using Python, OpenCV and Raspberry pi Camera Module. Since OpenCV doesn’t work out of the Box with raspberryPi cam Module, I ...
3
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1answer
684 views

Side by side camera module preview?

Is there any way to force raspivid or any other tool to display preview from camera (on hdmi display) side by side cloned, so it could be used in VR glasses?
2
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1answer
5k 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 ...
1
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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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2answers
1k views

Unable to capture image using the Raspberry Pi Camera Python

The raspistill -o image.jpg command successfully captures images. But when I try capturing from a really simple Python script, I get an error. The script is from picamera import PiCamera cam = ...
4
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2answers
2k views

How to access raw Pi Camera data?

I am trying to use a Pi Camera to take various pictures, but only if the overall picture is not pitch black or really dark (as I will mount it in my office and do not want it going while I'm away). I'...