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Questions tagged [camera]

Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.

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1answer
4k views

Create a RTSP stream using motion and a USB webcam

I've just set up a fresh RaspberryPi (Zero W) and started installing motion, in order to receive a livestream of my (old) USB webcam (Microsoft LiveCam HD-3000). I know this is a pretty old one but ...
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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 ...
2
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2answers
817 views

PIR Triggering for no reason

I have a setup with a Raspberry PI model 3 a PIR sensor and a OEM HDTV Pi IR-Camera with two LED modules (pictures below). I'm running a little Python script triggering a camera recording whenever ...
2
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0answers
1k views

RPi camera stream to OpenCV in Python

I have been searching everywhere and tested what seems to be everything in order to get OpenCV in python to accept a video stream through gst-launch-1.0 from a RPi camera connected to a RPi. So far, I ...
2
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0answers
211 views

UV4L wont allow multiple users on .mjpeg stream

I'm trying to make a survaillance system with UV4L i already succeed to play i live streaming and record the live stream from UV4L the problem is that when UV4L detects more than 3 users it blocks the ...
2
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3answers
2k views

I want to webcam stream 24/7 to open Internet

I am a teacher, and we are using a 3-D printer. I have a Raspberry Pi 3 Model B, as well as the Webcam Module Version 2, and I have the camera set up and can see video by typing in localhost:8081 into ...
1
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1answer
501 views

Transistor Switch: Turning off Waveshare LED Boards

This is a similar question to How to turn off the CSI, and turn it back on again, but I'm actually trying to implement the suggestions that were given in that post. I use the WaveShare RPi IR-CUT ...
0
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1answer
72 views

Is it possible to obtain multi-spectral images with pi zero camera OV5647?

I am trying to capture multi-spectral images with a pizero camera V2.0 with Ssensor OV5647. I want to know how is it possible or if there is some commands? Thank you
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3answers
257 views

Camera not working with script started with .bashrc

Running NOOBS Raspberry pi 3b Standard Camera from Pihut So, my grand idea is to have a camera taking still images (raspistill) that I can then stitch together later, to make a short movie seen out ...
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1answer
237 views

Images all green

Okay. Have looked like crazy for a specific topic but can´t find any problem that matches mine. I have Rpi3 with a rpi2 camera. It has worked fine before but haven´t been using it for some time. ...
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1answer
7k views

Connect IP camera to raspberry pi ethernet port

I'm working on a project that will involve connecting an IP camera to the Raspberry i through the Ethernet port and then send that image through the HDMI port to a monitor. I was thinking a IP ...
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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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0answers
2k views

Which camera settings does camera.exposure_mode = 'auto' dictate / supersede?

For example, if I want to change camera ISO with the Pi Camera Module 2, I don't see any difference in images between: camera.iso = 100 camera.exposure_mode = 'auto' camera.capture(filename) and ...
0
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1answer
508 views

Help! My Rasperry Pi Camera is not being detected!

So I have a Pi-Cam and a Raspberry Pi 3 B+, and I'm trying to get them to work together. Note: This camera has worked many times before today's errors. A few things: The voltage is fine (red light ...
1
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2answers
324 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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2answers
834 views

opencv2 not importing into Python 3.4.2, OK with Python 2.7.9

I have installed the Open Computer Vision library on a Raspberry Pi 3 Model B with camera module, using these steps: sudo apt-get update sudo apt-get upgrade sudo apt-get install python-setuptools ...
0
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1answer
624 views

Two Webcams Taking Stills

I’m a bit of a novice, needing to do this for a university project. I need to connect two USB webcams to the RPi and get each to take a still image and save it in “%iimg%i” naming notation to identify ...
0
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1answer
220 views

Cannot take picture with Canon Rebel XT connected to Pi3 via gphoto2

When I try to take an automatic picture with my SLR camera (Canon Rebel XT) via the following command in gphoto2: gphoto2 --trigger-capture It returns an error as follow *** Error *** ...
-1
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1answer
936 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 ...
0
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1answer
341 views

IP Cam and local network on different ethernet ports on raspberry pi

The Setup: A raspberry pi 3b running raspbian is connected over two ethernet ports (eth0 native, eth1 over USB) to an ip cam at eth0 and to the local network and the internet over eth1 like scatched ...
1
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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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2answers
89 views

Virtual Reality with RPi 3

I am working on a project in which I am trying to combine two seperate USB webcamera's to create a pair for virtual 360 degree footage. Can RPi 3 encode this video and send it to a smartphone ...
1
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1answer
6k views

NGINX Reverse Proxy IP Camera HTTPS and RTSP

I'm new to the Rasp Pi so am at a stage where I'm following existing instructions rather than knowing for sure how to solve problems. I'm trying to set up a reverse proxy on the Rasp Pi, using NGINX ...
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1answer
41 views

What is the earliest place in the boot process where camera (raspistill) can be used?

It seems that right after local-fs.target doesn't work. Any idea what prevents it from working early in the boot process?
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2answers
3k views

Not able to detect camera on Raspberry Pi 3

I have installed the "RASPBIAN STRETCH WITH DESKTOP" from https://www.raspberrypi.org/downloads/raspbian/ I have plugged in my camera module correctly (blue stripe facing towards the Ethernet port) ...
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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 ...
2
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1answer
883 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 ...
1
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0answers
274 views

c310 logitech webcam not closing properly in pygame code

I'm accessing my c310 logitech webcam in python with pygame in an attempt to take pictures and save them. My final goal is to take a new picture every minute for 24 hours to make a timelapse. Here is ...
0
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1answer
35 views

Is it correct to say that we have few cm computers but we still need a bulky transformer? [closed]

In a past I planned an arduino project, on the microcontroller side. With the possibility to go idle and save batteries. But arduino is not a computer. The reduced size of things like raspberry pi ...
3
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3answers
6k 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=...
2
votes
1answer
421 views

How to connect two cameras to one Raspberry Pi?

I want to use two pi cameras (V2) at the same time for a project. There are a few ideas that came into my mind Creating a camera MUX: 14 pins of the CSI port are connected to a bread board, and two ...
3
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1answer
3k views

Motion 4.0 Server working but not streaming

I'm playing around with Motion 4.0 on my P3+ I seem to have everything working OK, its detecting motion and recording pictures and video. but when I go to the web page for the streaming output all I ...
0
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1answer
125 views

Is it possible to remove the USB ports and others I/O ports from a standard Raspberry Pi 3?

We're using Raspberry Pi 3's as prototypes but don't need the USB ports, as well as some of the other ports. Are they easily removable?
1
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0answers
624 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 ...
2
votes
1answer
735 views

U4vl Streaming to multiple web clients

I am using uv4l-raspicam and the uv4l-server with WebRTC support, and I am able to stream the image of my camera to one single viewer of the website. The other viewers get an error message that there ...
2
votes
1answer
138 views

Trigger python script from camera images?

I'm doing a project where the pi sits inside a box, with the camera pointed to the bottom. When there is an object inside this box, the raspberry pi is supposed to post to facebook every 10 minutes. ...
1
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2answers
532 views

Can the Rpi 3 handle 4 cameras at the same time?

I want to take 4 pictures simultaneously with 4 different cameras on the Raspberry Pi. I have found this multicamera adapter, but I do not know whether the Rpi can handle taking 4 pictures at the ...
0
votes
1answer
214 views

How to display a stream of images? (Based on the “Capturing to a network stream” example of picamera)

Recently I tried to do a mini project: one RPI captures images using the camera module and sends the stream of images to another PRI (i.e. receiver PRI), and the receiver PRI continuously displays the ...
1
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0answers
222 views

live web server for seeing raspberry pi 3 camera

I have tried looking through some tutorials, but I can't find one that puts ALL the pieces together for what I am trying to accomplish, and explaining it in a crystal clear way for a noob. Here's what ...
6
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1answer
1k views

2 usb webcam on raspberry pi with OpenCV

I would like to connect 2 usb webcams to a RaspberryPI and be able to get at least 1920 x 1080 frames at 10 fps simultanously. This will be done using OpenCV. Has anyone done this and knows if this ...
0
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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?
2
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1answer
74 views

Camera not in /dev/ how to create one

Does someone know if it's possible to create a new "/dev/video0" with some informations (e.g idVendor, idProduct, ...). Our problem is that when we plug in our camera, it doesn't create a "/dev/*" ...
0
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1answer
154 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. ...
0
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3answers
4k views

Python script in rc.local is not running and log file is not updated

I am trying to run a python script that uses the RPi Camera on boot from /etc/rc.local. This is the command I need to run: python ~/Documents/camera/camera.py --conf ~/Documents/camera/conf.json ...
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0answers
123 views

Live feed RPi camera to TV

I'm trying to get my RPi to live feed the RPi camera to a TV on boot. I have already a simple program in python that just outputs the camera feed, but when I run this program on boot it doesn't show ...
1
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0answers
744 views

How to capture non-fish-eye video with wide angle lens?

We're using this fisheye lens: https://www.amazon.com/SainSmart-Fish-Eye-Camera-Raspberry-Arduino/dp/B00N1YJKFS/ref=sr_1_1?ie=UTF8&qid=1511631477&sr=8-1&keywords=raspberry+pi+wide When we ...
0
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1answer
162 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 ...
1
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2answers
77 views

How to configure RPi security camera to be active when our cell phones aren't on the wifi network?

I've seen quite a few security camera examples and many have options for a duty schedule that activates the camera during certain specified days/hours to set up a routine. However I have fairly ...
3
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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 = ...
2
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1answer
5k views

Increasing fps of pi camera using OpenCV C++ implementation

I am using a NOIR Pi camera for my Raspberry Pi 3 module. I plan to run some high fps image processing algo using openCV in a C++ environment. However, I cant seem to obtain the video stream in a high ...