Questions tagged [camera]

Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.

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26 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 ...
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20 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 ...
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1answer
26 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 ...
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1answer
169 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 ...
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96 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 ...
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1answer
23 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. ...
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139 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 ...
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40 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 ...
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170 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) ...
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13 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?
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37 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 ...
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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 ...
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1answer
113 views

ROS Webcam Stream Really Slow

I am trying to stream the images from my camera to a laptop via ROS. Here is my setup: Raspberry Pi 3B+ with USB Webcam. It is running ROS Noetic with usb_camera_node An Ubuntu 20.04.1 laptop with ...
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1answer
2k 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 ...
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41 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 ...
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1answer
43 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.
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17 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?
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2answers
123 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 ...
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1answer
42 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-...
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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 ...
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1answer
21 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 '...
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43 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 ...
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201 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 ...
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31 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 ...
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1answer
58 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 ...
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247 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 ...
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3answers
529 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?
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44 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 ...
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0answers
29 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 ...
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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 ...
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36 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 ...
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1answer
128 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,...
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41 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 ...
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1answer
67 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 ...
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1answer
517 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?
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11 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 ...
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0answers
106 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 ...
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1answer
116 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 ...
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0answers
32 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 =...
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1answer
2k 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 ...
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2answers
295 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 ...
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1answer
67 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 ...
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0answers
1k views

How to make camera work with pi 4b 64 bit ubuntu 20.10 [closed]

After add start_x=1 in the config.txt #start_x Enable the camera module. start_x=1 #disable_camera_led Turn off the red camera LED when recording video or #taking a still picture disable_camera_led=1 #...
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157 views

Trying to interface OmniVision OV4689 with Raspberry Pi

I need to capture pictures on a Raspberry Pi (I'm using a Compute Module 3+) using a camera based on the OmniVision OV4689 image sensor. The datasheet for this image sensor can be found here https://...
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2answers
64 views

How can I remotely access the command line on my Raspberry Pi without Wifi?

For a project I'm doing with a Raspberry Pi Zero, I need to access raspi-config, compile some software, and do funky stuff with systemctl. With my other projects, I've always either SSHed into the Pi ...
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1answer
3k views

difference between 2-lane and 4-lane MIPI CSI camera port?

https://www.raspberrypi.org/blog/raspberry-pi-compute-module-4/ The new Raspberry Pi Compute Module 4 and its IO board has the 2-lane and 4-lane MIPI CSI camera port, but I am not really sure what the ...
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107 views

How to access a ffserver stream from an external network?

I am using Gphoto2 library to get live preview from a DSLR, encoding it to a feed using FFmpeg, and am using a FFserver to create an SWF stream. The stream works perfectly on my raspberry pi and I am ...
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0answers
31 views

Remote camera application

I am brand new to RPi. I want to create a remote camera (assumed based on RPi 0 W) that will serve as a camera on the back of my travel trailer so I can see what is behind me as I go down the road, ...
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58 views

Using Android Phone as Webcam via USB to use Zoom or Google Meet [duplicate]

People have been asking for help to be able to purchase a tablet or a computer that they can use for online classes. Most people here in the Philippines don't have the means to buy any of it. However, ...
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1answer
275 views

How to stream video from raspberry pi camera module as http not rtsp?

How to stream video from raspberry pi camera module as http not rtsp? I use this command to stream as rtsp but i need http because of opencv. raspivid -o - -t 0 -rot 180 -w 1920 -h 1080 -fps 30 -b ...

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