Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange
The results are in! See what nearly 90,000 developers picked as their most loved, dreaded, and desired coding languages and more in the 2019 Developer Survey.

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.

1
vote
1answer
21 views

Qt Userland raspistill/racpicam integration - Unable to find an X11 visual which matches EGL config

I am developing simple gui app for a client on Raspberry pi running Ubuntu(Mate) 16.04 using Qt 5.5.1 and OpenCV for some face recognition (all C++) using 5MP pi camera. The framerate/CPU usage ...
1
vote
0answers
14 views

Raspberry Pi Camera live output presentation

I am trying to setup a Raspberry Pi with Raspberry Pi Camera to output to the image local HDMI monitor. I can get that with raspivid -t 0. However what I want to do is format that live video image to ...
1
vote
1answer
49 views

UV4L raspicam webstreaming in H264

I'm having some trouble getting H264 streaming to work. I've been digging around a little and it seems the problem is that UV4L is sending raw H264, which is not directly playable in Chrome. Does ...
1
vote
0answers
42 views

Streaming High Quality Raspi Video To Windows Pc on Same Network

So I am currently building a robot that requires me to have a low latency (>.25s) decently high quality (~720p ~20fps) live video feed that I can stream to a windows pc on the same network. The pc ...
0
votes
0answers
15 views

PiCamera Minimal latency between real world event and digital data presence

Using a picamera, what is the best latency one can achieve from a real world event like an led lighting up and the Pi/MCU 'knowing' it has occured(by extracting image data)? I would also be ...
0
votes
2answers
35 views

capture Image with picam then send to another pi via UART

I would like to send an image(JPEG) captured by a pi-zero (in a in-closed container) to an pi3 for storage and analysis. Currently I have UART via gpio set up, but so far I have only been able to send ...
0
votes
0answers
39 views

Pi Camera choppy video/skipped frames

I'm using the Pi camera to record 30 seconds of footage, triggered by an IR break beam sensor. This is running on a Pi 3 B+. I've soldered in all the wiring using an Adafruit Perma-Proto Pi Hat. My ...
0
votes
2answers
55 views

Analyzing video from pi on PC via python

So I am interested in using my raspi as a robot and I want to try to get a video stream from a camera attached to the raspi. I found a tutorial on how to get the video streamed over LAN using python ...
0
votes
0answers
28 views

raspistill quality issues: single photos vs timelapse

For some reason there seems to be a huge jump in quality when using the -tl switch for a timelapse over individual pictures. raspistill -t 1 -o /mnt/usb128/photos/test%016d.jpg -ex auto -awb auto --...
0
votes
1answer
58 views

raspistill timelapse stops producing output

So I'm trying to run a timelapse for 24-36 (or until storage space is full) but raspistill seems to stop producing output after anywhere from 50-300 stills. raspistill -t 129600000 -tl 5000 -o tlapse%...
0
votes
1answer
36 views

Raspberry Pi Camera Taking Takes Blurry Pictures

I just got a camera for my raspberry pi 3, more specifically the Arducam 5 Megapixels 1080p Sensor (https://www.amazon.com/gp/product/B012V1HEP4/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&psc=...
-1
votes
3answers
83 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.
0
votes
2answers
44 views

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 ...
1
vote
1answer
208 views

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 ...
0
votes
0answers
37 views

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 ...
0
votes
1answer
96 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 ...
0
votes
0answers
53 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 ...
0
votes
0answers
86 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 ...
1
vote
2answers
61 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 ...
1
vote
0answers
68 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 ...
0
votes
0answers
154 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 ...
0
votes
1answer
38 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 ...
0
votes
0answers
60 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?...
0
votes
1answer
25 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 ...
0
votes
0answers
309 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 ...
0
votes
2answers
123 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 ...
1
vote
0answers
36 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, ...
0
votes
1answer
39 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. ...
2
votes
0answers
35 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. ...
1
vote
1answer
51 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, ...
7
votes
2answers
111 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 ...
1
vote
0answers
42 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 ...
1
vote
1answer
137 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 ...
1
vote
0answers
30 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 ...
1
vote
0answers
84 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 ...
0
votes
1answer
81 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 ...
1
vote
1answer
66 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 ...
0
votes
1answer
55 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 ( ...
0
votes
1answer
26 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 ...
1
vote
1answer
1k 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-...
1
vote
1answer
231 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(...
-1
votes
1answer
47 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?
1
vote
1answer
109 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 ...
0
votes
1answer
70 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 ...
0
votes
1answer
69 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
0
votes
0answers
58 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, ...
0
votes
0answers
265 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 ...
1
vote
0answers
101 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 ...
0
votes
0answers
449 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/...
0
votes
0answers
299 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 ...