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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Raspberry Pi Camera to load face recognition trained model located in desktop

I'm setting up a security application to have real-time face recognition on Rasp Pi Camera. The face dataset are gathered using laptop and the trained model are also located in laptop directory. Is ...
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How do you configure the Pi Zero to act as a USB webcam using the plug in camera?

There are lots of guides which tell you how to configure the raspberry Pi Zero as a mass_storage device or Ethernet device, most of these mention the ability to make the Pi act as a webcam but none ...
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3k views

Overlay a plot of sensor readings on video output

I'm working on a project where I use a Pi + camera + sensors. I would like to use the picamera module and overlay a moving plot of the real-time sensor readings on the video output by using the ...
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188 views

Sequential file name problem (Python/Picam)

I would be very grateful for some guidance on the following script. You will see that I have very little experience (3 days!). Using the pantilthat servo control, I am taking a image (jpg) at ...
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193 views

How to control the raspberry pi over internet using android app?

I had bought a Raspberry pi 3b+ recently to make many of the projects I had dreamed of. Most of these (or maybe all) involves controlling the GPIO pins over the internet using an app. One of the ...
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358 views

Should I use raspivid for longer videos and do I need a spacious MicroSD?

Can I record a longer video (2h+) with raspivid and store it on a USB drive (100GB+) while using a small MicroSD card (8GB)? Specifications: Resolution 1080p Framerate 30fps Format h264 I am not ...
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300 views

Raspberry Pi w/ Pi Cam streams video great to Mac but not to iPhone

I set up my Raspberry Pi Zero W to stream video using this tutorial on how to implement RPi-Cam-Web-Interface. https://elinux.org/RPi-Cam-Web-Interface I then set up the Pi to be an access point so ...
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3answers
6k views

Cannot connect to PiCamera when using it with Flask

I am trying to create a live streaming camera with my Raspberry Pi and the Pi Camera module. I have chosen to create it with Flask so that I can use the Python API for it. Though when I run this ...
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457 views

PiCamera not working with mmal error

I have Picamera v2 which I have been using Rpi3 for a while now and it has been working properly. Using vcgencmd get_camera I get supported = 1, detected = 1 But while i run raspistill -o cam.jpg. I ...
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1answer
2k 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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105 views

Capture stereo image using IVMECH's IVPort v2

I have the IVPORT v2 (a raspberry camera multiplexer) and want to capture a image pair (1 from each of the 2 cameras) as close together as possible. Which code should I be looking at from their github?...
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81 views

raspivid doesn't include b-frames

I'm streaming raw h264 using raspivid on Raspberry Pi 3 and PiCam v1 . However, even I set the h264 profile to main or high, stream only contains I and P frames. Here is the command that I use for ...
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2k views

Raspberry Pi NoIR V2.1 blurry image

I have an Raspberry Pi 1 and a NoIR V2.1. I also bought an IF lamp and with an slow enough shutter_speed the brightness gets good enough, but the image is really blurry. I created an image with the ...
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What streaming solution for the Picam has the smallest lag?

This post shows how to stream using VLC. It works nice and is simple, but it gives me about a second lag. This post uses GStreamer, and it has 0.3 second lag; I would like less. Is it possible to use ...
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33 views

What will happen with 2 AV signals

Should be a quick one. I know you can mix AV channels to overlay images but if I connect 2 raspberry pi to one screen in AV and no multiplexer how will the channels mix if they are at different ...
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428 views

How to stream an RTSP source (e.g., Raspberry Pi camera) over the Internet without port forwarding?

I have a Raspberry Pi with the camera module attached and I can view the RTSP stream fine when I'm within my local network. What I want to achieve and am struggling to figure it out is how to stream ...
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simultaneous pi camera threads C code

I have used motioneyeos in the past to implement a motion capture video recording system on a raspberry pi, right out of the "box". It was nice in that it could do motion detection, video recording, ...
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3k views

Camera delay reduce

I have a project with a raspberry pi zero w, and his camera, and I want to have a video stream and with less delay as possible, and if possible, a stream which can be started with a bash script. ...
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1answer
460 views

Picamera record video in one resolution and take stills in three other resolutions

I looked into the documentation of the picamera and wondered whether there would be a way to use the splitter option to have the picamera capture a video in 640x480 and asynchronously capture stills ...
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1answer
561 views

Stereo vison with Compute module via SSH

I started working with a Raspberry Pi Compute Module and 2 PiCamera after long time. I lost all the notes about our old class project, I quite don't remember all our procedures Each camera is ...
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2answers
10k views

What is the solution to this error of OpenCV with video.capture() and it not correctly reading with video.read? (Completly new to raspberry pi)

I'm completely new to the raspberry pi and am looking for help with this same error I've been trying to solve for the past few days. I completely reinstalled OpenCV twice now from two methods on a ...
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1answer
2k views

How do you extract the raw image from a JPEG taken by the v2 camera?

I'm very new to working with the Raspberry Pi. For a project, I must have the raw images taken by the camera instead of the processed JPEGs. If I take a raw image using: raspistill -r -o test.jpg ...
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587 views

Running a camera script on startup - Raspberry Pi Zero W

I'm creating a time-lapse camera to attach to a pair of glasses. I tried out my script (python 3) and it works, but I need to get my script to work upon startup up since it will powered by a ...
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Raspicam C++ library — captured image requires several grab()s to be properly bright

Note that I am referring to the C++ library, raspicam (http://www.uco.es/investiga/grupos/ava/node/40), not the raspberry pi camera in general. Unfortunately, I don't have the reputation to make a "...
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Any issue with magnet too close to rpi?

I don't think this is an issue, but a search turns up nothing and I just want to be sure. I'm working on a project that involves a single speaker mounted approx. 2.5 to 3cm above a Raspberry Pi 3. ...
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195 views

Can it be an issue to record videos directly on the SD card of a Raspberry Pi?

I am using a Raspberry Pi Zero W and the picam v2 to record videos continuously for several days. Files recorded are only 5-minute long. Can I save files on the SD card directly, or should I use an ...
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1answer
776 views

Different image quality from picamera capture to numpy array and path

The quality of capture from Pi Camera varies when captured to numpy array and when captured directly to a path. The former has more pinkish tint to it than the later. Why is that.? The code I used ...
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58 views

Pi camera 1.3 crashes and requires reboot to use again

My raspberry pi camera 1.3 is connected to a Rpi 3B+ and I have a script that has the camera take a picture every 5 minutes and save it to a network location. Once in a while, the camera will crash ...
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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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137 views

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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180 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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118 views

Undefined Reference to `vc_gencmd(char *, int, char const *, …)`

I wanted to control the raspberry pi camera with MMAL and I used the RaspiCamControl.c file to learn how to control the camera component then I wrote a class about it. I've created and added all the ...
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2answers
3k 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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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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99 views

Picamera (in Terminal and Python 3) just does nothing

I have a Picamera V2, a brand new Flex Cable (so that's not the problem) and a Pi 3B. I am using VNC from Ubuntu. The Pi connects OK. But in the terminal (raspistill - o hi.jpg) and in Python 3 ( ...
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36 views

without looking in config.txt, how can I see my start_x setting?

Basically, I'd like to verify if the camera is getting enabled. I've grepped around on dmesg and /var/log and lsmod, and have googled, and I have failed so far. I went to a machine where I know the ...
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15k views

Official Raspberry Pi 7 inch display power consumption

I bought the display along with the camera board v2 a couple of months ago to work on some projects with my Raspberry Pi 2 but only recently found the time to actively experiment. Now unlike the ...
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1answer
3k views

RaspberryPi Camera - bcm2835-v4l2 kernel module source

I want to make some optimizations on camera kernel module so it can work better with a camera multiplexer module. There are 4 camera multiplexed by GPIO pins and some hardware. I have cloned the v4l-...
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127 views

How to get the Pi to recognize numbers and letters from images [closed]

I would like to start a project that will take a picture of the license plate of a vehicle and then take all the digits and record them. Is there a way to have the Pi recognize the digits?
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942 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
213 views

Naming images from camera with time so that they don't overwrite

I'm working on a project which will use a PIR motion sensor to take a photo of the room, also triggered by the PIR sensor. I'm using the PIR sensor for something else at the same time, so I'd rather ...
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2answers
27k views

Sending Raspberry Pi Camera preview to a laptop running VNC Viewer

I currently have a raspberry pi model B with a raspberry pi camera connected to it. The raspberry pi is connected to my router via an Ethernet cable, I control the raspberry pi through VNC viewer on ...
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2answers
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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Do I Need To Replace My Raspberry Pi Camera?

I know that there are several threads here that discuss this issue, however none of the solutions have made any difference. Anyway, when I plug in my RPi Camera into my B board, I get this error: ...
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318 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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395 views

PiCamera with RPi v3 B+: gpioman_get_pin_num: pin CAMERA_LED not defined

Sorry for the long-winded post. I understand this issue has been posted throughout various forums (including here), but even after following all of the advice I have seen, I am unable to get the Pi ...
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711 views

Invalid string offset errors when compiling RaspiCam C++ Library

I am getting these warnings with the RaspiCam C++ library, and wondering if anyone has a fix for them? My program is also crashing and I'm wondering if it's related. /usr/bin/ld: /usr/local/lib/...
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1answer
1k views

UV4L crashes after failed WebRTC connection

I have a resin.io project and I'm trying to get WebRTC streaming to work. I used instructions from here to modify my Dockerfile. What I'm doing: Install UV4L software: RUN apt-get update &&...
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1answer
7k views

Camera, Ubuntu, modprobe bcm2835-v4l2 ERROR: could not insert 'bcm2835_v4l2': Operation not permitted

I have added a camera to the raspberry but I get the following when trying to load the driver: root@deadlock-desktop:~# modprobe bcm2835-v4l2 modprobe: ERROR: could not insert 'bcm2835_v4l2': ...
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1k views

Streaming video with vlc as mjpeg from the RPI

I have an RPI camera module V2 connected to my PI and can stream footage from it into the lan with raspivid -vf -hf -o - -t 0 -w 1000 -h 576 -fps 20 -b 500000 | cvlc -vvv stream:///dev/stdin --sout '#...