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.
139
questions
0
votes
0answers
24 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 ...
0
votes
0answers
24 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 ...
0
votes
0answers
32 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 ...
1
vote
0answers
24 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 =...
0
votes
0answers
15 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 ...
1
vote
1answer
27 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 ...
0
votes
0answers
26 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....
0
votes
0answers
35 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 ...
0
votes
0answers
19 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 ...
3
votes
1answer
27 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 ...
-1
votes
1answer
35 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 (...
2
votes
3answers
82 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 ...
0
votes
0answers
15 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
votes
1answer
41 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 -...
0
votes
1answer
142 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 ...
0
votes
1answer
37 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.
...
0
votes
1answer
533 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 ...
0
votes
0answers
23 views
Stich multiple videos to one HDR clip?
Hey :) I got a strange question:
IĀ“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
votes
1answer
124 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 ...
0
votes
0answers
2k 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
218 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 ...
0
votes
0answers
32 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 ...
0
votes
0answers
22 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 ...
0
votes
1answer
126 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 ...
2
votes
1answer
383 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 ...
0
votes
0answers
65 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*...
0
votes
4answers
673 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(...
0
votes
0answers
114 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 ...
1
vote
0answers
22 views
Data logger with SenseHat and timelapse Pi Camera code not running
I am trying to use a SenseHat and Pi camera to do some data logging. What I want my program to do is when run, it should collect sensor data and take a photo every 10 seconds. The issue that happens ...
0
votes
0answers
31 views
Rasberry Pi Cameras v USB Cameras
I'm trying to work out what kind of cameras would best suit my Pi. The plan is to use it on moving transport for some very basic image processing. Between the RasPi and the USB cameras, which ones are ...
0
votes
0answers
73 views
Raspivid dropped frames
I am trying to record a video at 30 fps using a Pi Zero W with the picamera v2 with:
raspivid -t 10000 -w 640 -h 480 -fps 30 -o test.h264 -pts testTS.txt
However, when I check the timestamp file, ...
0
votes
0answers
46 views
does uv4l support PiCam HQ
I am getting myself familiar with UV4L on the raspberry pi, and just purchased the new HQ camera. Now I am having trouble to use the UV4L Control Panel to set the width and height to 4056x3040, but ...
2
votes
1answer
80 views
where can I get the driver of imx219
I'm building kernel(xilinx) and rootfs(debain10) for Avnet96v2 board which has connetted a imx219 via mipi adapterļ¼ where can I get newest official driver for the camera, if it is existing.
By the ...
1
vote
0answers
316 views
ERROR on oled + 0.96 display: different mode has already been set!
I made two programs separately, but when I tried to put them toguether, the following issue came up:
Traceback (most recent call last):
File "/home/pi/CalculadoraDefinitiva/botaoLed.py", line 159, ...
0
votes
0answers
22 views
Shooting .raw pictures with PiCamera - results in scrambled black and white images
I'm trying to shoot some .raw pictures and I'd like to test both the rgb and the yuv option.
What I've obtained so far is a not usable file/image. Meaning that once I open the it with Photoshop, for ...
1
vote
1answer
62 views
Taking pictures while streaming with motion
my Raspi uses the original raspicam and motion to stream security footage to my nas. This works great so far.
I now want to additionally take a picture every 1 hour and save it somewhere.
Obviously I ...
0
votes
1answer
118 views
PiCamera Out of resource error
I have two Python programs that use PiCamera. Program A takes 45 pictures at one minute intervals. Program B takes 5 pictures at one minute intervals. After Program A runs (45 pictures), I get an "...
0
votes
1answer
33 views
Is camera 1.3 version compatible with Raspberry Pi 4 B?
Is the 1.3 version of camera compatible with Raspberry Pi 4B ? I need to use it for an object detection app.
Thanks
1
vote
0answers
81 views
Raspberry Pi stops running cron job after a few hours
My raspberry pi 4 is set to run a python script every hour that turns on some philips hue lights and takes a picture with the camera module. It worked perfectly for 26 days, then it stopped running. ...
1
vote
0answers
60 views
Does the camera automatic settings use CPU or GPU
I have simple questions:
I am using a program (pikrellcam) that has a number of automatic cameras settings, e.g. white balance, exposure, etc; and I am wondering if this puts a strain on the CPU or ...
2
votes
0answers
55 views
Sending an image from Pi Camera continuously to a display
I want to send 6 images per minute from the Pi Camera continuously to any display. Like for say I have the camera that is at my house but I want to send the images to my work computer.
The end goal ...
2
votes
1answer
696 views
How do I stream video from raspberry pi cam to my android phone app in order to access it from anywhere?
I'm a little bit new to the raspberry pi. Currently, I have a raspberry pi camera recording live video. I want to transfer this stream to an android app I developed. I really don't know where to start,...
0
votes
0answers
15 views
Frames from picamera.capture have different length of pixels
I am trying to both stream a video with a websocket and to detect wether something is moving in the camera video. I have finished successfully the websocket part of my project, and right now I want to ...
0
votes
1answer
48 views
Help with Port Forwarding for College Project
Hello Guys im doing a group college project for my final year it involves a CCTV type project using the raspberry pi camera and a website with a php login system to the website, I have a Pan Tilt hat ...
3
votes
1answer
100 views
PiCamera Video Corruption
I'm trying to save video from my picam and it ends up like this:
import picamera
# set up camera
camera = picamera.PiCamera();
camera.resolution = (640, 480);
camera.framerate = 24;
# record
camera....
2
votes
3answers
289 views
How to stream RaspiCam video on webpage on Django server running on other PC?
Hey I wanted to stream rpi cam live footage to a webpage hosted on django server running onther Pc.Any suggestions on how to do it.Thanks.
1
vote
1answer
69 views
Video Distortion using PiCamera 2.0, but raspistill is fine
I'm new to using the Picamera, but I cannot play a video without distortion. The top of the image and any activity is redish/pink in color. I can take a picture with no problem. I'm using VLC to view, ...
2
votes
0answers
358 views
picamera: capture a frame while continuous capture in background
I'm capturing a timelapse with the picamera module for python:
def capture_thread_task(self):
filename = os.path.join(self.SAVEPATH, self.safe_camname + '_{timestamp:%Y%m%d-%H%M%S}-{counter:03d}'...
1
vote
0answers
144 views
Why does native resolution capture with picamera raise 'Incorrect Buffer Length' for Arducam 8MP with IMX219 sensor?
I am trying to capture() full resolution images using picamera.array but it fails raising a PiCameraValueError: Incorrect buffer length for resolution 3280x2464.
camera.MAX_RESOLUTION gives ...
