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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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Unable to detect pi cam

I have a RPi 2 B for which I recently got a PiCam. I connected it to my Pi and when I powered the Pi a red LED on the cam came on. I tried enabling the camera module in sudo raspi-config , it even ...
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1answer
26 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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16 views

Capture stereo image using IVMECH's IVPort v2

I have the IVMECH 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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1answer
17 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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1answer
21 views

Best way to stream footage

I'm looking for the simplest possible way to stream footage from my raspberry pi camera to my computer using a python program. I will also be using this on multiple networks so if there's an easy way ...
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32 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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2answers
36 views

Rpi camera as webcam has low quality

I want to capture high quality images from RPI using Chromium and the Rpi camera as webcam. If I take photos with raspistill I can get 8MP quality. I'm trying to do the same within the browser but ...
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20 views

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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1answer
33 views

build a minimal camera (OV5647 + microSD + ?)

I want to use the OV5647 camera module to start to store data (as soon as it is fed, I don't know yet whether in photo or video format) to a microSD choosing a specific rate and resolution (e.g. ...
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23 views

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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19 views

Raspi Camera Cable name

I want to extend my camera to the door peep hole which is 1 inch deep. If I am keeping my camera backside of door my view area is significantly decreased. If I want to get a full view I can do that ...
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1answer
27 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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2answers
90 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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38 views

Raspberry Pi Camera shell_exec raspistill command does not run

I have a Raspberry Pi, Raspberry Pi Camera and Apache Webserver running. I disabled motion service so not interfere with the camera. Basically i have a php file called shootImage.php shootImage.php ...
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0answers
37 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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73 views

RPi video streaming through a VPS

I have a VPS and I want to use it as an intermediate server so that users can have access to the video stream of RPi Camera remotely. I searched many posts and most of them are about setting up a ...
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26 views

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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57 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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42 views

Picam remote viewing without port forwarding?

Has anyone been able to pre-configure the pi cam on a rpi zero w so that the port forwarding is not needed? I see a lot of cloud ip cam (nest, Amazon, Logitech) nowaday where you just enter the WiFi ...
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1answer
45 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
37 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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263 views

Problem with Pi Cam / Python / opencv: “Incorrect buffer length for resolution 640x480”

I want to build an animal counter based on pi zero w, pi cam, python and opencv. I read some tutorials (especially from https://www.pyimagesearch.com) how to setup all that stuff and in principle ...
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1answer
41 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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1answer
24 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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1answer
520 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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1answer
139 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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1answer
34 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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1answer
47 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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1answer
38 views

Options to start timelapse sequence in the morning and stop in the evening, then repeat on Pi Cam Web UI?

Hi all I've been using Pi Cam with Web UI on RPi3 (with naturebytes build) for a long term timelapse (9 months). I've been successfully shoot timelapse for the past week but it shoots the whole day ...
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1answer
42 views

Could not find an image captured using raspistill on raspberry pi

I ran the command raspistill -o image.jpg can someone tell me where is the image storred
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37 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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158 views

Emulating a Pi Camera (CSI) device? It is possible?

I need to run a Python script that uses the Pi Camera Module (python) inside of a Raspberry Pi 3 but I don't have a Pi Camera (CSI) device yet (only a USB webcam). It is possible to emulate a Pi ...
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66 views

RaspiCam on RPi 1 B+ doesn't show images

I'm trying to get a livestream with the official raspicam (with IR; revision 1.3) working, which is attached on my Raspberry Pi 1 Model B+. The problem is, that I get an gray screen when I'm ...
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266 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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207 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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1answer
605 views

Access RPi's camera stream in OpenCV C++ (Qt)

I've setup my Raspberry pi 3 B with uv4l and have access to the video stream on http://(raspberry-IP):8080/stream address. Now, I have Qt5(C++) and OpenCV installed on my main computer. How can I ...
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1answer
329 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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870 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 '#...
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1answer
178 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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22 views

Edit pixels from raspicam and output using renderer

The docs for the raspicam library are nearly perfect: clear, tons of examples, and thorough, especially given that they cover a really hard topic. But I'd like to capture live video frames, process ...
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119 views

Pi camera produces image with noisy black and white lines

I have set up my camera module v2 but it is producing only noisy black and white images of vertical lines using both raspistill and raspivid. Tested with both my RPi 2b and RPi 3. I get the same ...
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0answers
14 views

Bootup problem, freezing Pi, power problem with IR camera or USB

When I bootup my py with latest version of raspbian with only one IR camera my Pi wont bootup. The red led blinks red. This same PI, Img, and SDCard were working weeks with same camera + nova PM ...
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2answers
76 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
32 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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0answers
168 views

Google AIY vision kit 1.1 - Inference already running

I noticed that when using CameraInference object in a Python 3 script, if the script crashes, the script won't run properly after again without a reboot. Joy detector is off. Anybody knows how to fix ...
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163 views

Use USB Mic simultaneously with RTSP Server and pyaudio

I'm building a baby monitor based on Raspberry Pi. I use Picam and rtsp-server to stream the pi camera and the sound of the USB Microphone to a video view in an android app. At the same time pyaudio ...
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0answers
40 views

Pre-event recording with picamera

This is my first time using the picamera. My goal is to make the camera record a certain ammount of frames before and after an event I will signal to it. So I have two questions: How can I ...
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2answers
757 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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3answers
460 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
282 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 ...