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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1 answer
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How do I fix poor video quality from rpicamsrc?

After weeks of research, my understanding is that using rpicamsrc to stream video via rtsp is the preferred method. If you do something like raspivid piped to cvlc, you increase latency, etc. Right ...
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1 answer
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RPI Camera Module with Pico

does anybody know if it is possible to use the RPI Camera module (Rev. 1.3) with the Pico or any other RP2040 board?
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2 answers
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Compute Module 4 and Camera Module v2.1 - How to configure?

I am confused by the instructions posted here which explain how to configure various Compute Module devices with camera modules. These instructions appear to be confusing as they describe at least 3 ...
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1 answer
57 views

RPi camera stops functioning after Adeept Motor Hat is plugged in

This is my first time posting a question and I am a new RPi user. I have bought a robotics kit from Adeept (The PiCar B) and I am facing issues with getting the RPi camera to work when the Motor Hat ...
1 vote
1 answer
85 views

Raspistill takes long time to run

I am trying to get my camera run on my raspberry pi 4. I can get an image, but the raspistill command takes about 6 seconds on average to acquire one image. Is it normal? $ time raspistill -o bar.jpg ...
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-1 votes
1 answer
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What's a good camera with IR-Cut for a Raspberry Pi Zero W

I'm working on an security camera for outside, and want to have vision at night(thus needing Infra-red light, and an infra-red camera), but also don't want that weird pinkish look that an IR camera ...
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42 views

./camera_i2c: cannot open 5.0: No such file

I am trying to connect an Arducam 8mp syncronized stereo camera to a RP4. While setting it up according to the guide (https://www.arducam.com/docs/cameras-for-raspberry-pi/synchronized-stereo-camera-...
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1 answer
78 views

Encoding of JPEG Image with lightning

I am building a timelapse camera system with the Pi HQ Camera. At night with manual exposure settings of 20 seconds, analogue gain and digital gain settings set, during lightning storms, the image ...
1 vote
0 answers
37 views

Fast way to copy from GPU to CPU

I have made some image processing shaders to reduce the CPU load. But the slow GPU to CPU data copy is something I didn't expect. (It takes around a second to copy a single image) As far as I know, ...
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2 answers
258 views

Pyqt QCameraInfo.availableCameras() is empty

I'm doing a small project on Raspberry Pi 4. Also, I want to use QtMultimedia to list all cameras on pi, But it returns an empty list. # This is my testing code from PyQt5.QtMultimedia import ...
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NOIR Camera V2.1 not working in the dark

The camera used to work with pink shade in the morning and even in the dark without additional leds the last time used. I recently used it after a long time on a new system and noticed that it was ...
-1 votes
1 answer
135 views

Installing libjpeg62-dev for using modprobe bcm2835-v4l

I need to use the Raspberry Pi camera with OpenCV. For that, I have to run sudo modprobe bcm2835-v4l. But for that, I need to install it. I did it on another RPi a while ago, but I forgot the whole ...
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(RPi4) AHD to CSI-2 and ENOSPC / PiCameraMMALError: Failed to enable connection: Out of resources

I have a fun one - I'm trying to get an analogue camera input (AHD using a normal BNC connector) over a CSI-2 cable/bus (standard RPi one, not the dual-lane Google ones), and be usable through the CSI ...
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1 answer
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Raspberry pi camera pinout

Since my disable_camera_led=1/0 does not do anything and searching on forums did not help, I decided to debug it myself. Since I know disable_camera_led=1/0 turns on/off a pin in GPIO, I want to know ...
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CM3+ and RaspiCam V2 issues

I'm trying to use two RaspiCam V2 with CM3+ and Computer Module 3+ Development Kit board. I followed instructions provided in official links: Raspberry Pi OS with desktop and recommended software ...
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259 views

ERROR for pi4: mmal_vc_component_enable: failed to enable component: ENOSPC

Please help as I'm going mad! im using 2 cameras on the multi cam adapter module on a raspberry pi 4. I followed the Arducam multi cam adapter module documentation. I have been getting this error ...
-1 votes
1 answer
64 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
0 answers
44 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 ...
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1 vote
0 answers
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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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1 answer
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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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1 answer
1k 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 ...
1 vote
0 answers
240 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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1 answer
55 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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233 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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68 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 ...
1 vote
0 answers
22 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 ...
-1 votes
1 answer
347 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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1 answer
4k 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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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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2 answers
127 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.
1 vote
2 answers
329 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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1 answer
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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
1 answer
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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
1 answer
45 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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0 answers
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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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0 votes
1 answer
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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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0 answers
709 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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3 answers
1k 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?
1 vote
0 answers
17 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
1 answer
231 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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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
1 answer
150 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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4 votes
1 answer
1k 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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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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0 votes
1 answer
178 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
0 answers
104 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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1 answer
4k 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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-1 votes
2 answers
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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
1 answer
137 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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1 vote
0 answers
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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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