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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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12 views

Raspberry Pi Camera V2 resolution reduced

I am testing my Raspi Cam V2 on raspi model 4B running buster, I was able to get 1080p videos at 30fps and it supported the below formats $ ffmpeg -f v4l2 -list_formats all -i /dev/video0 [...
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23 views

How to create a person or head (not face) detection using open CV that are not too slow when run in Raspberry Pi 3B+?

Hello guys my problem is creating a program that can detect the head(not face) or human detection for my project One of the program that i see is too slow for raspberry pi 3B+ which is this : https:/...
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1answer
13 views

Getting empty images from picamera module but not raspistill

I wrote a python script to interface with the camera module (I have camera version 2.1). At first I tried with picamera, which has worked in the past. According to pip I have version 1.13 installed. ...
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34 views

Raspberry Pi4 Error while using 2 USB cameras, VIDIOC_QBUF: Invalid argument

I'm using Python OpenCV to read from 2 USB webcams on a Raspberry Pi4. If I'm using either of the camera individually they work fine. As soon as I initialize both cameras in the script as following: ...
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1answer
16 views

RPI official cam results in 256x192 resolution only [Motion]

I use motion to get data from my official rpi camera. This camera allows to use more than 256x192 px resoultion. Problem: Only 256x192 resolution seems possible, even if 1024 resolution is ...
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49 views

imutils VideoStream(src=0) return VIDIOC_QBUF: Invalid argument in raspberry pi

I am only doing a simple code in my Raspberry Pi 4: from imutils.video import VideoStream # initialize the video streams and allow them to warmup print("[INFO] starting cameras...") webcam = ...
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46 views

Errors with Lepton FLIR: Red square, unresponsive capture/overlay

I've been trying to set up a Lepton Thermal Camera (breakout v1.4) with a Raspberry Pi Zero W, and a Raspberry Pi 3. I've been following a number of guides but most recently this one. Once I run ...
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2answers
840 views

Which GPIO pins does the Pi Zero camera use?

I'm working on using the Raspberry Pi Zero camera as well as other sensors simultaneously. But while trying to figure out which GPIO pins the camera uses, so I know which ones I have left for other ...
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15 views

CompoundPI unidentified server problem

I am trying to use CompoundPI (https://compoundpi.readthedocs.io/en/release-0.4/quickstart.html) with two RPIs and an ubuntu client. CompoundPI connects multiple RPIs, that each of them has a picamera,...
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16 views

Need advice for live camera feed

I'm helping with the AV for a veterans day event in a few weeks. Because of the cramped space, the people on stage will be facing the front of a gymnasium and the audience will be on bleachers on both ...
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1answer
23 views

converting YUV to RGB change colour to green

I need to save picture without losing any data. Using PNG is not an option as it takes more than 5 seconds to save and this is too slow for my project. I used campera.capture('image01.data','yuv') as ...
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12 views

DO3THINK USB camera install into raspberrypi

Actually, I am using USB2.0 DO3THINK camera for personal purposes. I want to connect this camera to my raspberry pi. I research it but couldn't find any proper link for install this camera. The os ...
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1answer
26 views

Why am I getting 'camera component couldn't be enabled' with raspistill? [duplicate]

I am getting those errors when I try to take a picture with raspistill. Until now, it took pictures anyways. $ raspistill -o test.jpg mmal: mmal_vc_component_enable: failed to enable component: ...
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1answer
145 views

USB Camera vs Pi Camera

I'm using USB camera for object detection. I can't find code for them because the common blogs or articles are about object detection using pi camera only. Is object detection possible with a USB ...
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1answer
24 views

Use Raspberry Pi 3 with its camera module to live stream and also store that video on cloud

I have a Raspberry Pi 3 and camera module, I want to use that camera and live stream our internet and also store that video on cloud in chunks of specific time period (like store videos of 1 hour ...
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1answer
45 views

Direct Ethernet IPCam and Wifi for browsing - Networking setup

I would like to connect 2 ipcams via a switch to the RPI 3B+, and use the WiFi to connect to a router (to use the webbrowser etc), and also use the router for VNC The ethernet is used to send ...
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1answer
25 views

How can I get the image recorded from a rear-view camera?

I have a rear-view camera (NAVITEL MR250) which I use everyday. I got into image processing and I thought a good personal project would be to create a "self-driving car" (Quotation marks because I ...
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0answers
57 views

pi camera V2.1 digital zoom

The Rpi camera V2.1 is 8-megapixel that mean it's maximum resolution is 3266 x 2450. I would like to record a video in 720P resolution using this camera. My question is.. maximum how much I can do ...
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123 views

issue with RTSP

I'm trying to make motion works. I've been able on my windows computer to read the rtsp stream of my sricam SP017 with VLC with URL rtsp://192.168.0.13:554/onvif1. However, on my pi (raspi 3+, ...
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28 views

iPhone camera module connection type

I am trying to see if there is any possible way to adapt these salvaged iPhone camera modules to be usuable on any Raspberry pi computer? If anyone is familiar with these and has had any success with ...
1
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1answer
47 views

Unrecognized URL with motion

Trying to install motion for a sricam SP017 (720p) on a raspbian pi. I did an apt-get install motion. motion -h gives motion Version 3.2.12+git20140228, Copyright 2000-2005 Jeroen Vreeken/Folkert van ...
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0answers
12 views

Turning off auto settings in picamera to remove persistent white spot in photos

I'm using the Arducam 5 Megapixel camera (meant for Raspberry Pi) because it has the capability for changing the lenses, and using the picamera module to run it (in Python 3). I'm taking pictures that ...
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0answers
48 views

How to read rPi camera hardware information that which type of camera sensor( imx219 or OV5647) is being used in camera module?

I want to read the camera hardware spec to ensure which type of camera sensor (like imx219 or OV5647 etc) is being used in the rPi camera module for camera module v1 and v2. Is there any method to ...
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1answer
42 views

USB Camera with Rasperry Pi: Sending raw data from dev/video0 to PC through tcp/udp

I want to send the raw USB data to my laptop to process it and then send it back (image processing). Is there any way I can just send the data through tcp/udp without raspi doing all the hard work?
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2answers
77 views

Ending a camera video stream in Python / threading

I’m very new to Python and have been struggling with the code for a wildlife camera project on the Pi. I’ve managed to get the PIR sensor and automatic camera capture working, but I’d like to have a ...
2
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0answers
82 views

Issue with Raspberry Pi 4 OpenCV

I have been using OpenVINO + NCS2 on a raspberry Pi 3b+ with no issues for an IP camera security application (object detection). I then upgraded to Pi 4 looking for better performances. The object ...
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1answer
43 views

I can't access my raspi camera with my raspberry pi 3 B+

I am currently trying to start my Raspberry Pi V2.1 camera with my Raspberry Pi 3 B+ but I couldn't accomplish it. It may be because of the ribbon-cable since my cable for the camera is narrower, thus ...
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22 views

How hard would it be to re-purpose a nexus imprint sensor for use with a pi?

I have a nexus imprint fingerprint sensor from my old nexus 5x (2016). I was wondering if there is an easy(ish) way to use it with the raspberry pi for biometric auth? It's a really good reader so ...
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0answers
30 views

Raspberry PI 4 can the power be software controlled to the camera?

With the new Raspberry Pi 4. Can the power to the Raspberry Pi 4's camera on the CSI connection be controlled by software?
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24 views

Simple wireless camera with API recommendations

I have a whiteboard and want to build a setup where I can press a button and have a picture of the whiteboard delivered to google drive. I have a raspberry pi that acts as a little toy server for ...
2
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1answer
49 views

How durable are the Raspberry Pi and the Raspberry Pi Camera?

I plan to use my Pi and the Pi camera v2 no IR version as a wildlife camera. Now my question is can I run the camera in the winter (maybe -10 degrees Celsius) and will it still work like the Raspberry ...
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0answers
38 views

USB Inspection camera

I have a USB Inspection camera, identified as "Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) 300k Pixel Camera" This is mounted at /dev/video0 and I can capture stills using ...
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0answers
38 views

Collect video from camera and display it in a navigator

I'm trying to collect live video stream from a camera. The camera output is analogic so I'm using an Analogic to USB converter connected to my Raspberry. I'm looking for a good solution to collect the ...
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0answers
29 views

Different recording results under same code and raspberry pi

I would like to record videos using this code: RecordIntervalTime = 30*60 # 30 min def camRecord(): with picamera.PiCamera() as camera: camera.resolution = (640, 480) camera.framerate = 24 ...
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18 views

RPI 8MP CAMERA BOARD RASPBERRY PI CAMERA BOARD V2

I setup my raspberry Pi with a RPI 8MP CAMERA BOARD RASPBERRY PI CAMERA BOARD V2. I'm using MotionEyesOs and Synology Surveillance Station. I don't understand the camera, unless I'm wrong should ...
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1answer
38 views

How to trigger a capture using Picamera when a particular event occurs (for eg, whenever a specific object appears in front of the camera)

I want to trigger an image capture every time a tyre of a set of moving vehicles appears just in front of the picamera. Is there any way to get this done automatically every time a tyre appears in ...
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0answers
16 views

Indoor, desktop case for Pi 3 + camera module. Bonus points for infrared options

So I'm going on a 2 week holiday in a few months, and while I've got a camera (foscam R2) looking out my apartment window at the car park, I'd like an internal one placed in the hall hooked up to ...
2
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0answers
105 views

uv4l usb camera stream not working

I am using a raspberry pi 3b+, trying to make the usb camera work with uv4l streaming. These are the packages I've installed: uv4l uv4l-raspicam uv4l-raspicam-extras uv4l-server uv4l-uvc uv4l-...
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0answers
36 views

picamera error the second time I run camera.capture(output,'yuv')

I'm getting an error the second time I run camera.capture(output,'yuv'), what am I doing wrong? my code: from time import sleep from picamera import PiCamera from picamera.array import PiYUVArray ...
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1answer
101 views

Programming MLX90640 to display what I want [closed]

Yay. Got my MLX90640 working and boy it works great. However, the ambient temp of around 20C keeps showing as a green background and i would like it to be blue or even grey. Has anyone attempted to ...
2
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0answers
20 views

Dual Camera Issue

I recently set up my raspberry pi to run as a home security camera. I am using a pi NoIR camera module and the raspi cam web interface software. It works perfectly, however I am simultaneously ...
0
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0answers
166 views

Execute Python-Script on MotionEyeOS

I've recently created a Card with MotionEyeOS for the Raspberry Pi. I've tested motioneyeos already on DietPi and the normal Raspbian, but it didnt worked with the original Raspberry Pi-Camera. In a ...
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0answers
43 views

picamera how to detect darkness

I'm trying to detect the darkness using picamera. I guess I have to capture an image and elaborate it pixel by pixel getting the brightness or color value and if it is beyond a threshold that I ...
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0answers
71 views

Is it possible to run H.264 hardware encoding on video from a monochrome ArduCam module?

I am early in the design phase for a camera array of ~12 units. Each unit will be comprised of an ArduCam camera module (possibly the OV9281) and a Raspberry Pi to compress the video data and send it ...
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1answer
27 views

i got error on rpi camera. Camera is good and i still got this error [duplicate]

I get these error messages: mmal: mmal_vc_component_enable: failed to enable component: ENOSPC mmal: camera component couldn't be enabled mmal: main: Failed to create camera component mmal: Failed to ...
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0answers
35 views

Is it possible to take a picture with the top half of a camera feed, then the bottom half?

Is it possible to take a picture with the top half of a camera feed, then the bottom half? and would it require half as much processing power?
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0answers
11 views

Is it possible to increase the frame rate of a camera feed by changing the color to 4 bit greyscale?

According to my rough calculation if the feed is only one color ie greyscale it should the camera should be able to take 3 times as many frames per second (reducing from RGB (3 colors) to one (...
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1answer
52 views

Pi Camera detect almost full black image

I'm capturing images using picamera and I need to detect when the sensor is covered by a hand, so almost full black image. what is the easier way to do that in python?
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1answer
60 views

Shortage of Pi cameras in the market? [closed]

I tried buying raspi cam v2 NoIR from raspberrypi.org listed websites in India. Most of the websites listed had no availability of the camera. One of the websites had it and its been 3 weeks since I ...
2
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1answer
45 views

Show usb webcam on top of raspberry webcam

I have a raspberry pi with a raspberrypi cam and a usb webcam. With raspivid I can display the raspberrypi cam video on screen and with vlc I can didplay the usb webcam. I need to display the usb ...