Questions tagged [camera]
Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.
931
questions
0
votes
0answers
17 views
How can I transfer camera footage to my computer using Pico?
I am new to Pi and I am making a project which will require me to transfer footage from the Raspberry Pi camera to my PC. How can I do this?
Raspberyy Pi Pico
Using C, if not possible I will use the ...
0
votes
0answers
5 views
Hardcoding timestamps onto image/video frames with the picamera library
my goal is for videos and images to have timestamps on them for an application I'm writing which uses the Python picamera library.
My current implementation modifies the annotate_text attribute using ...
-4
votes
0answers
21 views
If I stop a stream going to my pc from my raspberry pi camera I have to reboot my raspberry pi 4 before I can steam again and I am not sure why [duplicate]
0
I can stream video from my raspberry pi 4b pi camera, but if I stop the stream and try to run it again I get the following errors:
mmal: mmal_vc_component_enable: failed to enable component: ENOSPC
...
-1
votes
0answers
25 views
Using raspberry pi zero W for path detection through onboard camera. Is it the right approach?
I'm trying to do this computer vision and ml project and i can't decide which board and camera package to use.
Are these two compatible.
pi zero w 512MB RAM
and this camera module
comes with a csi ...
0
votes
1answer
29 views
How communicate between multiple raspberry pis over the internet?
0
I am working on a project with raspberry pi. I have a little experience with raspberry pi, but not so much.
The project is as folows: There are 3 raspberry pi's with each a camera. One raspberry pi ...
1
vote
0answers
11 views
Camera in raspberry pi shows no input on screen
I am new to using raspberry pi I have rsp 4 model b, I need it for a college project I am doing, I bought a camera module for it.
and it doesn't show output on screen using "cheese"
I am ...
0
votes
0answers
19 views
PiCamera Stream stops working, how to debug
recently I bought a raspberry pi and I'm building a nestbox camera for my aviary (once this works I'll build an entire array of them). Now I am new to the Pi, I am quite decent at scripting/coding (...
1
vote
0answers
13 views
Can i stream camera to a remote server?
In my project i have to stream a low FPS and low-resolution live camera to an external server, because i am not able to port forward the pi's network.
Is it possible to set up a remote server and ...
0
votes
0answers
18 views
Trouble with PiCamera video recording
I wrote this basic code today. I am learning still so it's not very neat.
import sys
import io
import time
from time import sleep
import datetime
import RPi.GPIO as GPIO
from picamera import PiCamera
...
-1
votes
0answers
27 views
Can you be able to configure multi internal built-in camera's IP address using Raspberrypi-4?
I Have 4 different small internal built-in camera, and I needed to configure each of their IP address so I can make a small surveillance video. However, I been looking around to see if all those ...
0
votes
1answer
22 views
OpenCV setting resolution results failing in reading frames
I've tried to change the resolution on raspicam v2 with my raspberry pi 4 b, but this code gives me false every time I try to read frame... Is there anything I am missing? I can easily read frames ...
0
votes
1answer
51 views
USB camera not identified
I have a laptop camera wired to a USB cable. This camera works properly on my Ubuntu laptop. However, it does not on the pi.
I have a Raspberry PI 4 (4GB) with Raspbian OS lite installed.
I installed ...
0
votes
0answers
33 views
Hardware accelerated JPEG encoding
I'm doing hardware accelerated JPEG conversion according to MMAL part of picamera docs.
Now it works only once, for second it shows next error:
"picamera.exc.PiCameraMMALError: cannot send buffer ...
0
votes
1answer
17 views
RASPIVID provides a still image for the duration of -t value
Full command string: RASPIVID -o test1vid.h264 -t 10000
File is saved. Updated Buster prior to installing camera. Reseated cable, swapped cable, swapped camera each with no change in results.
...
0
votes
0answers
59 views
Raspivid Overlay
I have been struggling for the past week to come up with a method to overlay text on a Raspivid preview. I have my raspberry pi connected via HDMI and simply want to overlay sensor data (in the form ...
0
votes
0answers
25 views
I can't get my raspberry pi to download the library files for Pixyusb2
So I'm trying to get a pixy camera to connect to my pi for a school project, and whenever I run this code
sudo apt-get install git libusb-1.0-0-dev g++ build-essential
I get this message
Reading ...
0
votes
0answers
33 views
raspberry pi hq camera cant set iso or gain in opencv
in opencv i am trying to set the gain or iso. but when i do these things i notice no difference.
import cv2
#Capture video from webcam
cap = cv2.VideoCapture(0)
cap.set(cv2.CAP_PROP_AUTO_EXPOSURE, 1)
...
0
votes
0answers
12 views
I have a Raspberry pi 3b with a camera and I installed motion
So my Problem is that motion saves the recordings, but I don´t want that anyhing is saved.
Can I disable it?
Or what happens when the storage is full, what will happen then?
0
votes
0answers
22 views
OV9281 module drivers
I was looking at working with the OV9281 on my pi and noticed that there are at least two OV9281 modules available. One made by Arducam which has the driver here. Another is made by VC which has its ...
1
vote
0answers
20 views
Can I use the display shelf as an input for a second camera? [duplicate]
I would like to use two different cameras with the raspberry pi 4 and I wondered if I could use the display shelf as the secondary camera input or if I need to acquired the adpater that exists for the ...
0
votes
0answers
26 views
ROS Webcam Stream Really Slow
I am trying to stream the images from my camera to a VM via ROS. Here is my setup:
Raspberry Pi 3B+ with Picamera v2. It is running ROS Noetic with cv_camera_node
An Ubuntu 20.04.1 VM with ROS Noetic....
0
votes
1answer
331 views
OpenCV VideoCapture not working with GStreamer plugin
Running the following code on my raspberry pi 4b with the camera v2 and OpenCV installed via pip install opencv-python I have no issues:
import cv2
cam = cv2.VideoCapture(0)
cam.isOpened() # True
...
0
votes
0answers
27 views
No camera preview
I have a problem, when I write the command "raspistill -o desktop/image.jpg" in the terminal there is no output. How can I solve this problem is urgent... and btw the Geany programming ...
0
votes
1answer
23 views
Can you access motionEyeOS via simcard?
So I want to set up a security camera remotely and I was wondering if you could connect motionEyeOS via sim instead of wifi and use it the same.
0
votes
0answers
13 views
How to make raspistill to run until interrupt command received?
I need to setup focus on HQ cam connected to pi zero but the raspistill -f closes in 5 seconds after start. What arguments does it need to run infinitely until I hit ctrl-c?
1
vote
1answer
73 views
How close can the new High Quality Camera focus with the 16 mm C-mount lens? As close as 25 cm?
I have an application that needs to image something in the range of about 25-35 cm from the front of the lens. I'm looking at the new High Quality Camera with the 16 mm C-mount lens. The lens itself ...
0
votes
1answer
31 views
Activating infrared camera causes PI Zero W to crash and reboot [closed]
I have a PI Zero W and a camera module that came with 2 infrared lamps. It is this one or something very similar:
https://www.arducam.com/product/arducam-ov5647-5mipi-camera-module-for-jetson-nano-...
0
votes
1answer
18 views
Using laptop's camera in emulated enviroment for image processing [closed]
Sorry if title is a bit crowded but i'm kinda new to this. I'm a student trying to submit project but because of the pandemic we have to work separately. Project is a personnel recognition system ...
1
vote
1answer
14 views
Hang on boot when enabling camera on Model 1 A
When trying to enable the camera on an old, first-generation RPi, with the latest Lite image, you get the following message from raspistill:
mmal: mmal_vc_component_create: failed to create component '...
0
votes
0answers
38 views
Starting X applications over ssh on the local monitor
If I have a Pi with monitor connected but no keyboard or mouse how can I remote in to the Pi over the net with ssh to start applications running on the attached monitor. In particular, I have a hq ...
0
votes
0answers
103 views
raspistill hangs at “Starting capture -1”
Any thoughts on what may be wrong here?
I'm using a camera on a Raspberry Pi for the first time.
I have a Raspberry Pi 4 Model B Rev 1.1 and I got an OV5647 camera from Amazon
Yesterday I freshly ...
0
votes
0answers
25 views
temperature of raspberry pi camera
Raspberry Pi has built in thermometer that I can access, e.g. through
/opt/vc/bin/vcgencmd measure_tem
is there a similar way to access temperature of the camera (HQ or V2)?
I've built a camera that ...
0
votes
1answer
41 views
Camera, splitter and encoder in OpenMAX
I want to access camera and get both encoded and not-encoded video from it in my C++ application. As I'm targetting Raspberry Pi Zero, I want it to be as efficient as possible, so I decided to use ...
0
votes
0answers
73 views
Why Is Using RPi As NAS For Hikvision Camera - SO SLOW!
For a few years I have been using a Raspberry Pi3 as a NAS drive for my Hikvision CCTV camera to save footage to. I prefer this to a NVR/ DVR, as it is low energy, easy to hide and quiet. I do not ...
0
votes
2answers
178 views
How can I stream the pi camera stream from my raspberry with python?
How can I have a stream like rtsp, that is accesible in a program on another computer?
0
votes
0answers
34 views
Getting several mmal errors with a Rpi camera module streaming video and trying to record at the same time
I am using a Rpi 3b+ with the standard camera module. This camera is installed on kestrel nesting box to observe nesting behavior. I am able to stream to a url using the following script which is ...
0
votes
0answers
24 views
Best Solution for multiple camera input and processing
I'm working on a project for a car modification.
The main idea is multiple cameras all around the car (not 360° view since i won't be doing any image linking, nor calibration, each camera is pointed ...
1
vote
0answers
15 views
Is the quantization aka quality factor of Pi camera images an integer or floating point value?
I want to make small changes to the size of video files produced by a Pi camera. I have a feedback loop that frequently measures video file size, since I have short duration files, and adjusts q in ...
0
votes
0answers
30 views
Measuring latency in video streaming with Rasp Pi4
I'm a new to Raspberry Pi. I am using the camera modules of rasp for video streaming in a local network. I'd like to measure the latency between capturing the image and showing in the laptop. And ...
0
votes
1answer
79 views
Attaching a digiscope to a Raspberry PI
I have a digiscope arriving soon which has a Canon camera adapter included. I've a project in mind to mount a Raspberry Pi High Quality Camera onto the scope and rig up some image recognition software,...
0
votes
0answers
35 views
What does the camera “module” add on top of the SONY IMX219?
New to electronics and Raspberry Pi, and I'm trying to understand exactly what a camera module is, versus just the camera/sensor itself.
Most hobbyist RPi projects advocate the use of the RPi camera ...
1
vote
1answer
57 views
Lauching feh from python script over remote connection (pi zero w)
hoping someone might be able to help a complete newbie here. I am connected to a terminal session in my pi zero via putty and Xming Server and have installed feh to inspect image files. so if I enter
...
0
votes
1answer
169 views
Multiple cameras pi zero w
I'm new here. I would like to attach two cameras to a single raspberry pi zero w for depth mapping. Is it possibile to do that while keeping things small?
0
votes
0answers
10 views
Using Raspberry Pi to deliver POE to other products through the ethernet port
Scenario is this:
Have a raspberry pi being powered through a usb-c adapter.
Have a 3g usb modem, that connects the pi to the internet.
Have a camera device connected to the ethernet port of the ...
0
votes
0answers
58 views
How to keep audio in sync with raspivid on a live stream
Raspberry Pi 4 trying to stream live to youtube using an external USB mic and the raspberry camera.
The audio slowly gets out of sync (ahead of the video).
Here is my command. Any suggestions on ...
0
votes
1answer
73 views
Using a mobile phone image sensor with a raspberry pi
There is the Raspberry-Pi HQ camera with a very limited number of lenses. I know that there are mounting adapters, but with the 5.5x full frame equivalent of the sensor, finding a wide angle lens is a ...
1
vote
0answers
28 views
How can I speed up capturing stills with camera module v2 and picamera?
Using some very simple code with no bells and whistles I capture shots of a specimen in between rotations of a motor
camera = PiCamera(sensor_mode=2)
camera.exposure_mode = 'sports'
camera.resolution =...
0
votes
1answer
965 views
How to see motioneye's recorded movies in a browser?
I am using motionEye version 0.42.1 (motion Version 4.2.2) over the web interface. When I log in I can see the configured file storage path which is set to /var/lib/motioneye/Camera1 on my device.
I ...
-1
votes
2answers
146 views
AttributeError: module 'picamera' has no attribute 'picamera'
import picamera
import time
camera= picamera.picamera()
camera.capture("example.jpg")
this is legitimately all the coding ive done for this project and its already not working. i use ...
1
vote
1answer
39 views
How can I specify the format of a picture as a MIME-type?
I use a simple code that saves pictures from the picamera as a jpeg.
But i want to save the pictures as a MIME-type, which should be possible according to the API, specifically as a .tiff-format.
Can ...
