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.

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10 views

OV5647 Camera: 60fps preview has bad quality

I have a camera module from arducam with an OV5647 CMOS CCD sensor on it (NOIR). This camera is connected via CSI interface to a Raspberry Pi 3A+. I would like to have a camera preview with HD (720p) ...
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picamera.exe.PiCameraIOError: Failed to write 291840 bytes from buffer to output <picamera.stream.BufferIO object at 0x62f70c60>

Using the PiCamera Advanced Recipies in the link I am trying to capture the image to a numpy array. My code basic lines of code are. final_image = np.empty((height , width , 3), dtype=np.uint8) ...
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19 views

RaspiCam IVPort Dual Camera Multiplexer failure

I'm trying to design an RPi based system that should switch between two raspberry cameras. I just need to switch between the two cameras I don't need to mix their frames in any way. Moreover, in the ...
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Is the algorithm of processing raw data from PiCamera to get the JPEG that raspistill obtains opensource?

I'd like to learn how exactly the raw data from PiCamera are processed by the system to yield the final JPEG that raspistill saves. Is this algorithm available as opensource code? Or is it hidden in a ...
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26 views

How to calculate the battery usage of raspberry pi with 2 motor drives

We have a raspberry pi 4 with 2 12v motor drive L298, 5 ultrasonic sensors, and raspberry pi camera but we need to know how to calculate the battery usage of all these chips, could anyone help with ...
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27 views

How to get stream to function?

I recently started a project to make a 24/7 stream on my ras pi. I hooked up the camera module v2 any the system detects it. I updated and upgraded then installed motion. I ran sudo modprobe bcm2835-...
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36 views

Non Native Raspberry Pi Camera

I am trying to set up this camera to my raspberry pi 4. The fact about this camera is that, according to the seller it's different than the normal v2 cameras that we typically install on raspberry pi ...
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Raspistill turn all auto off

I was woundering is possible to turn off everything automatic on raspberrypi camera using raspistill, I know it is posible to set specific value for some modes like awb, ex ... I am having problem ...
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40 views

I just want to ask if there is any camera module (pi cam) that can do both nightvision and day recording?

I'm planning to make a project with a raspberry pi and pi cam as a toy car surveillance. IP cam is commonly used, so I was thinking if the pi cam has the same features with the IP cam such as the ...
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121 views

Where did /dev/video0 go?

The Pi camera in my Pi Zero W stopped working. Possibly because /dev/video0 vanished. Can anyone say why? In the meantime I have these three devices instead .. pi@easy:~ $ ls -l /dev/video* crw-rw---...
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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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26 views

Why does raspistill take 10× more real time than the shutter time I set?

I've installed the camera module v2.1, and now I'm trying to make long-exposure photos with it. I seem to get correct results, i.e. the image is bright enough corresponding to the large exposure time, ...
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42 views

Need troubleshoot fix my Raspberri Pi camera

So my MotionEye setup works fine, but after like 24 hours everyday, when I go connect the IP address it won't connect for some reason... And I can see that the Raspberry Pi3 and the Camera is working, ...
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51 views

Raspberry Pi - Line Scan like image

i got involved in a small hobbyist project in which a small ball has to be detected through a small gap. Accordingly there are only a view "lines" of a picture usable to find the vector "through" the ...
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61 views

Desire line mapping with Raspberry Pi and Python

Desire lines normally refer to paths created by humans as a result of excessive use, as that path is the most efficient form of transportation. So if I mount my Pi Camera looking at an intersection, ...
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2answers
114 views

Is it possible to power IR light module from 3.3v GPIO

Welcome, i've got a question that is bugging me for quite some time lately. I've got RaspberryPi zeroW with ZeroCam camera module (without IR filter). To get it to work in dark I bought IR LED ...
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1answer
20 views

Is it possible to change video resolution while recording?

Is there possible to change video resolution from 640x480 to 1640x 1232 while is recording and vice versa?
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63 views

Segmentation Fault On Pi Zero when trying to run executable which is compiled on rpi4

I have a SD card that works fine on raspberry pi 4. Raspbian Buster(Version: September 2019) was installed into the SD card and I did a project which is including boost, opencv, raspi-cam libraries. ...
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1answer
67 views

To play a pi camera

I am trying to play a picamera in raspberry pi 4 using vlc with raspivid/raspistill. When I give a command: sudo raspivid -o cam.jpg then some errors come, mmal: mmal_vc_component_enable: failed to ...
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35 views

Picamera: intermitent purple snowstorm - EMI or software issue?

I have recently tried a NoIR camera in my new appartment and started getting this strange interference, see photo below. I comes and goes randomly but happens mostly at night in a dark room. Sometimes ...
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34 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
36 views

How to run piCamera script in rc local?

I have created a simple python script for the pi camera which works when run as is. the file is located in ~/Destop/python cameratest.py import picamera import time camera = picamera.Picamera() ...
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1answer
33 views

Raspberry Pi Live Stream + Image Capture

I'm wanting to set up a camera using a PI. This camera will capture images of vehicle registration plates when motion is detected, to be checked and validated. Is it possible to both live stream and ...
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70 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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20 views

NoIR camera - Photo and and video frame size looks different

I'm trying to create a feature matching script using NoIR camera. What I'm doing is take a picture using and compare it with the real time video feed. Everything works fine but the the live video ...
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22 views

RPi Camera starts going white

I bought a RPi Camera V2 from amazon yesterday and when I tested it today it started going white and then flashing colors like a disco party (rave starts 8 seconds in): https://imgur.com/a/QK5VL22 ...
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1answer
23 views

How can I control a RaspiCam with the display CSI?

I was working with a RaspiCam on my 3B+ when something in the hardware broke. The Pi does not recognize my cam anymore. But when I connected it to the display CSI the LED on the cam started glowing. ...
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130 views

Using Raspberry Pi Camera (CSI) with Windows 10 IoT Core

I want to use the official Raspberry Pi Camera on my Pi which is running the current Build of Windows 10 IoT Core. I figured out that this will not to work using the UWP stack. Microsoft Tutorial ...
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230 views

How can I set up video calling with out the video lagging 3-5s? (lag is local to the pi, before transmission to other clients)

I am doing video conferencing on my Raspberry Pi 3b+. I have tried both Google Hangouts, Google Meetings and Jitsu but the best (GM with resolution set to low at both ends) still have a 3-5s lag ...
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25 views

Is it possible to gradually save data while recording. In order not to lose them in case of power failure?

I use the ffmpeg library to record audio and video. If a power failure occurs, the video file becomes 0 bytes. How can I record, so as not to lose data? my ffmpeg configuration ffmpeg \ -hide_banner ...
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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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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 ...
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1answer
71 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 ...
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3answers
239 views

can i power 2 raspberry pi 3 B+ using a USB hub?

i like to power 2 Rsp3b+ via a Power USB hub, i have a usb power hub that is 12v @ 2A and im worrying it will blow or burn the ic's of the pi's due to over voltage, would this be true? I like to add ...
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66 views

capturing video stream using piCam

i'm trying to capture the video stream using piCam. but i get this warning and the execution stops this the code: this the code I used: import numpy as np import cv2 cap = cv2.VideoCapture(0) cap....
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36 views

Is there any way to take a picture with the raspbery cam and store it on a matrix

I want to do something like this import cv2 from time import sleep import numpy as np # Set up the camera such that it closes # when we are done with it print("about take a picture") with picamera....
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1answer
70 views

What is the name of the lens standard that is used stock raspi v2 cam?

I am looking at getting a wider field of view with my raspi cam. I found a solution using M12 lens mounts and M12 lenses. In the process of fitting the M12 lenses, I am asked to remove the stock lens ...
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How to give an image input to my OpenCV code? [closed]

I am doing OpenCV on my RPi 3b for my project on Controlled Environmental Agriculture. I completed all the coding part of the OpenCV and also wrote a code for my RPi NOIR camera to capture images and ...
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1answer
123 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 ...
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26 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 ...
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1k 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 ...
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196 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 ...
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18 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 ...
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2answers
129 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 ...
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366 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 ...
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2answers
341 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 ...
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85 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 --...
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1answer
238 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%...
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1answer
672 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=...
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4answers
484 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.