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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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4answers
490 views

runing command on startup

I need to execute this command on the RASPBERRY PI bootup cd RPi_Cam_Web_Interface && ./install.sh and also follows dual ENTER keys with 5 seconds interval for each.
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2answers
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First frames of video from Rasp Pi camera have a high exposure

When I record video using the v1 of the Rasp Pi Noir camera the first few frames/second have a very high exposure (very bright) and then it settles down to a reasonable exposure setting. Because the ...
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1answer
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Stream Raspberry pi cam to webbrowser

I am trying to stream my rpi-camera to my webbrowser. I would like to use webrtc. I have tried using (and modifying) this GStreamer WebRTC demos for webrtc using gstreamer. I can successfully stream ...
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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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1answer
242 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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292 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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0answers
338 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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2answers
597 views

Stream remote pi+rasp camera to another computer?

Hi is it possible to stream the video feed from a pi camera (3 b+ model) across a LAN to another computer running Linux? My idea is to see if pi can be used almost like an IP security camera where I ...
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1answer
227 views

Fast pictures with PiCam and Java

I was already searching through forums and this stack exchange but I couldn't find anything that helps. So here is my problem. I have written a program in Java that analyzes pictures and outputs ...
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0answers
522 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
89 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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112 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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1answer
35 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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0answers
495 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
457 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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0answers
81 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
55 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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0answers
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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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1answer
83 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
257 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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0answers
63 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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1answer
254 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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0answers
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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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0answers
158 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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1answer
215 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
130 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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1answer
112 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
41 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
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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1answer
326 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
161 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
247 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
140 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
86 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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0answers
154 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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0answers
756 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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416 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
1k 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
637 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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0answers
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 '#...
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1answer
708 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
159 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
92 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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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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3answers
742 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
396 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

Why is my pi camera v2.1 detected but not taking pictures?

Thanks for your help. Yesterday I moved my Raspberry Pi cam v2.1 with the rpi robot chassis and the camera won’t take pictures. But, the day before, the camera functioned properly. Why do you think ...
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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....
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1answer
56 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
497 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 ...