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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19 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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12 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
21 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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20 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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14 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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18 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
24 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
33 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
48 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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13 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 = ...
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1answer
37 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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64 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
32 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
271 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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20 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 ...
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1answer
82 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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886 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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15 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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134 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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30 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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19 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
107 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
271 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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44 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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2answers
280 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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55 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 ...
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21 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 ...
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30 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 ...
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59 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, ...
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37 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 ...
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1answer
51 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 adapter, where can I get newest official driver for the camera, if it is existing. By the ...
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209 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, ...
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20 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 ...
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1answer
43 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 ...
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1answer
100 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 "...
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1answer
25 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
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70 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. ...
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38 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 ...
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53 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 ...
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1answer
258 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,...
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14 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 ...
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1answer
47 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 ...
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1answer
87 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....
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3answers
163 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.
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1answer
57 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, ...
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273 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}'...
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116 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 ...
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26 views

Is Raspberry Pi Using the Same Coding and Encoding in Live Video Streaming as in Ubuntu and on other Machines?

Recently, I have been tagged to work with the Raspberry Pi 4, and with the action camera that I have plugged to work with it as a webcam. However, the Live Video that is streamed through Raspberry Pi ...
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64 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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22 views

How to lock the gain in picamera.campture_sequence command?

I am using picamera library in python to capture a sequence of pictures. The picamera is connected to a microscope and the microscope moves to different vertical positions and picamera capture images ...