Questions tagged [picamera]

For questions involving the python picamera module used with cameras that into the CSI jack on the board. For questions about use of the camera hardware itself, use the 'raspicam' tag.

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22 views

i stuck on this error continuously on my raspberry pi with pi camera [closed]

i get this error on my thonypython with my picamera. i don't understand what is the reason. any type of help will be very appreciating.
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1answer
17 views

Raspberry Pi camera - multi tasking possible?

I have set up 2 individual tasks using the NOIR Pi camera and a motion sensor which work successfully in their own right. Using motion to stream a live video to an external ip address a python ...
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20 views

How to capture a camera using multiprocessing

I am trying to capture a camera using multiprocessing, but if I approach def cameraShot() with multiprocessing, the image cannot be captured. Which is the problem?? It stops in that state as shown in ...
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30 views

raspivid equivalent for USB camera

I'm using a Raspberry Pi Camera Module in my project. I have Java code that creates a new process that starts raspivid and have it output the video feed to stdout. Java then reads that and processes ...
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9 views

Modifying frames that I'm streaming

I'm currently trying to capture a video stream with picamera, apply a function I've made using OpenCV to detect something on each frame then stream it to the network. Currently, I'm using the code ...
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18 views

Picamera on Ubuntu 18.04 64-bit

Is there any way to get picamera to work on Ubuntu 18.04 64-bit. I have tried: Compiling a non-official version of userland for 64-bit and it compiled, but the camera does not work I have tried using ...
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12 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 ...
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12 views

Rpi Camera in ubuntu server 20.04 raspistill working, but python picamera and c++ raspicam not

I have been able to get the rpi camera v2 working on ubuntu server 20.04 (64bit) by using raspistill. However I am having trouble getting it to work with the python package picamera and the c++ ...
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22 views

How to change the default colours of the NoIR Camera V2?

I am standardising my V2 and Raspberry pi 3B+ camera to take astrophotography pictures, which takes the picture with a pinkish tint. To take the photo I use these command raspistill -o pruebafoto.jpg ...
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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 ...
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44 views

How to turn camera into ONVIF IP Device?

I am new to Raspberry Pi and also new to ONVIF. I can you turn a raspberry pi camera into ONVIF compatible IP camera and also add different profiles and edit the features in the profiles. I don't know ...
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41 views

Pi Camera with multiple outputs

I am trying to stream and save video from Raspberry Pi Camera. I found code which provide streaming to HTML page but when I write output stream to a file I am getting MJPEG file which size is ...
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12 views

Picamera image variation: What parameter should I adjust?

I am capturing images using the picamera v2 noir and avering the pixel values to see what variation of intensities I have during the video. The problem is that, even when the image is still and I am ...
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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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33 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....
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33 views

opencv stream resolution vs picamera resolution

I have the picamera v2 with me and i want to use it because of its 8MP resolution. ive noticed that theres two ways of live streaming my camera on python. One is using the picamera's inbuilt preview ...
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26 views

how to have the pyqt window geometry be the same as the picamera preview window?

im trying to get the preview window be the same as the window geometry and here is my code from PyQt5 import QtWidgets from PyQt5.QtWidgets import * from picamera import PiCamera camera = PiCamera() ...
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28 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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44 views

GPU for image processing on Pi Zero?

I have a Pi Zero W that I'm deploying headless to a remote-off grid location with very limited bandwidth. I would like to transmit images from the camera every 5 minutes or so, but to minimize ...
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1answer
117 views

How to directly render pi camera output to display using C++

Right now, I'm building an application and one of the sub goals is to display the camera to the screen with a good resolution and frame rate. I'm also trying to keep the cpu usage as low as possible ...
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29 views

Is there a way to get PiCamera's actual framerate?

I would like to know the camera's actual frame rate. This might seem trivial, but I could not find an obvious solution. I'm using PiCamera 1.13 with Python 3.7.3. My current approach is with ...
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27 views

Fast/efficient code to wait for trigger, trigger causes camera to collect image stream, process, wait for trigger, wash rinse repeat

I am working on a project to detect trained objects with google coral once I capture images (temporarily, i.e. cache) upon an external trigger. The focus here is the front end trigger and capture ...
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35 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
59 views

How to save all pictures from picamera directly to an USB-Stick?

I am new to Python and made a simple project with my raspberry pi 4, where the picamera takes pictures via button and saves them. Until now the pictures are saved in the home-directory, but I want ...
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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 =...
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1answer
20 views

Display monitor closes while running a python code on Rpi zero

I am writing a code using the Google AIY vision kit and its APIs. I have a loop which calls the face_detection model continuously every 30 secs. The loop works perfectly fine for the first 2 ...
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1answer
44 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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41 views

Can Picamera save pictures as tiff instead of jpeg?

I am new to Python and the Picamera and when reading the API there are only a few other formats to save the pictures (https://picamera.readthedocs.io/en/release-1.10/api_camera.html#picamera.camera....
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69 views

Picamera use_video_port=true low quality images

When I use use_video_port=True with capture_continuous() or capture_sequence() the image quality seems low with the following code import io import time import picamera from PIL import Image with ...
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22 views

Fast video recording with webcamera

I want to connect at least one webcamera to RPi3 and record smooth 1080p 30fps video. RPi camera is capable of that even on RPi Zero. But everything I tried on RPi 3 gives maximum 8 fps on 720p. Is ...
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1answer
43 views

Speckle noise from Raspberry Pi NoIR camera V2

I'm getting unusual amounts of speckle noise from my RPI camera. Note the black speckles on the image: and see a 2 second video showing the same noise here. The camera is connected with a 2 meters ...
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1answer
40 views

Python only saves last picture taken

I am new to programming with Python and the Raspberry Pi, and for my first project i wanted to play the official "Push button stop motion" code from the official raspberry pi camera guide (...
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3answers
149 views

Is there a jpg viewer for a pi zero w running buster lite

My pi camera is attached to a pi zero w running buster. The pi zero normally runs headless. But while I'm developing my code, I've got a keyboard and monitor attached. Is there a way to preview jpg ...
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0answers
22 views

PiCamera network streaming error

I'm trying to stream camera output to an Android application this (python) code works fine: import socket import time import picamera keep_alive = True print("wait connection") camera = ...
2
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1answer
42 views

PiCamera stream differences

I'm trying to create a h264 stream from my Pi 3 and display it on an Android application. After several attempts I found quite a simple solution: raspivid -n -ih -t 0 -w 640 -h 480 -fps 25 -b 2000000 -...
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1answer
308 views

How to turn off recording in motioneeyeos

So, i got 2 questions at the same time. I'm using a pi 4 4Gb with 64SD card running motion eyeos Changed settings to 1080p@30fps codec to h264. and motion triggered to continuous recording When I open ...
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1answer
50 views

Camera Module at high resolution, preview screen goes black

Tech spec: Raspberry Pi4 8G RAM OS: Raspbian 10 Problem Background: When I set resolution at camera.resolution = (4056, 3040), then at camera.start_preview(), the preview screen is completely black. ...
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1answer
833 views

Pi Camera V2: ERROR opening V4L interface: No such file or directory

Environment info: processor : 0 model name : ARMv7 Processor rev 3 (v7l) BogoMIPS : 108.00 Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae ...
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25 views

Stich multiple videos to one HDR clip?

Hey :) I got a strange question: I´m currently working on building a GUI for the Raspberry-HQ-Camera and noticed that it is possible to record up to 3 videos at the same time. So my question is if ...
3
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1answer
240 views

Knocked off an SMD from Raspberry Pi Camera Rev 1.3, but camera still works. Is the SMD needed for continued operation?

I accidentally knocked off and lost an SMD labelled "C9" from the Raspberry Pi Camera. The Camera still works, and I am unable to spot any differences. What is the role of the capacitor, and ...
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2answers
3k views

picamera and Ubuntu 20.04 arm64?

Does picamera work on Ubuntu 20.04 arm64? I am on pi4 4gb. Added start_x=1 to /boot/firmware/usercfg.txt and rebooted. Checked for updates. pip3 install picamera - ok. When import picamera is ...
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0answers
27 views

picamera module save video periodically

I would like to record video to a file using the picamera module, and "save" the file every few seconds so that in the case of a power outage the video is partially saved, instead of being ...
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0answers
357 views

HQ camera locks when using python library

The new HQ camera module is amazing and works really well using raspistill for long exposures. Using the picamera python library the camera locks with exposures above 10s (the maximum for the V2 ...
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0answers
37 views

Fast image analysis

Attempting to measure objects with picamera at 10 frames per second by counting all the orange pixels. Using RPi 3, picamera V2, and OpenCV to measure pixel values in a 640x480 px image. My strategy ...
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28 views

Use PiCamera V2 is surprisengly working without picamera module and using OpenCV in python

I was convinced that in order to use the picamera V2 with openCV I needed to pass by picamera module in python or libraries such as raspicam in C++. However today I saw the following code working in a ...
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1answer
175 views

PiCamera 1.13 docs MMAL example problem

I am trying to lower the time to capture a still image from the Pi camera (I have a V2 and HQ). To this end, I have found my way to the PiCamera 1.13 docs, specifically chapter 16 dealing with the ...
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1answer
542 views

Why can't I access camera through my remote desktop?

I am currently running ubuntu 18.04 and I have a picamera connected to my rpi. When I use the main display and connect the rpi to my screen via HDMI, I can access the camera using the opencv library ...
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81 views

Importing Cv2 in TFlite

I tried running TensorFlow Lite, on Raspberry Pi 3 Model B+ having Raspbian Buster OS (January 2020 Release) (TFenv) pi@raspberrypi:~/tflite1 $ **python3 TFLite_detection_webcam.py --modeldir=Model3*...
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4answers
1k views

Pi Camera (F) disable Night Vision on Day and use as normal camera

I have a Raspberry Pi Camera (F), Supports Night Vision, Adjustable-Focus and I wanted to use that to make a timelapse of some plants in python. python code for taking a snapshot: camera = PiCamera(...
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0answers
239 views

How to make cameras take picture simultaneously with a single button?

How can I make my pi's take pictures at the same time whenever I push a button? I've connected GPIO pin 2 to my button and a ground pin to the other end of the button for every pi. This is how I've ...