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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1answer
4k views

Does being undervoltage decreases the Pi's performance?

I recently blew up the 5V 2A PSU that came with my Pi. Since then, I am using my phone's charger, 5v 1A to run my Pi. And while it runs fine most of the time, I see the undervoltage warning, while it ...
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1answer
2k views

Taking raw images don't work

I'm taking a photo with the following command: raspiyuv -n -t 30 -awb off -ex verylong -drc off -ss 6000000 -ifx off -ISO 100 -o D-0-ISO100-t-ssmax.raw It's clear to me, I'm taking a photo in RAW-...
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1answer
1k views

Difference between Piclock and Pi Camera Clock?

I have been recording uncompressed videos using Picamera. I am using custom output to capture Presentation timestamps (pts) and Pi-internal clocks time for each frame. Code Below. import io import ...
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2answers
6k views

Pi Camera Module frames directly to OpenCV lib for processing

My intension is to use raspberry Pi for tracking coloured object. I am using Python, OpenCV and Raspberry pi Camera Module. Since OpenCV doesn’t work out of the Box with raspberryPi cam Module, I ...
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3answers
143 views

Performance drops after a few seconds

I am running a computer vision program on a Raspberry Pi (Linux raspberrypi 3.10.19+), and when it firsts begins, each iteration of the main loop runs in 6 ms. After a few seconds, the time per loop ...
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2answers
1k views

How to protect RPi camera from ESD?

It has been told, that official Raspberry Pi camera is very sensitive to electro static discharge (ESD). Actually camera is pretty naked, so I believe that this is true. I was working with Arduino, ...
2
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1answer
42 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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0answers
55 views

Any issue with magnet too close to rpi?

I don't think this is an issue, but a search turns up nothing and I just want to be sure. I'm working on a project that involves a single speaker mounted approx. 2.5 to 3cm above a Raspberry Pi 3. ...
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1answer
3k views

Calculating focal length of Raspberry Pi Camera

This article claims you can calculate the focal length of the Pi camera with the equation: F = (P x D) / W where: W is width of known object D is the object's distance from the camera P the ...
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0answers
466 views

Pi zero with Pi can video steaming stability issues

I wanted to setup my pi zero and pi camera as a rstp streaming cctv camera. I tried motion, but this ran the pi at 100% cpu utilisation and I didn't need motion capture as a I have a seperate (motion) ...
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0answers
216 views

Error code when using NoIR camera - failed to run camera app

I am trying to use the NoIR camera for the Raspberry Pi 3, and am getting the following error code: mmal: mmal_vc_component_enable: failed to enable component: ENOSPC mmal: camera component couldn't ...
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0answers
1k views

High speed photography using RPi Camera module

I'm trying to capture high speed water flow movement in a small dark chamber with a cool white 5 W high power LED as a flasher. My target is to achieve quick exposure using 0.8 millisecond light pulse....
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0answers
77 views

Sync videos recorded from multiple cameras temporarily

I have videos captures using 3 Raspberry Pi cameras with the following timestamps, (each video is recorded for the same amount of time): camera1, camera2, camera3 0.000000,0.000000,0.000000 33.315000,...
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0answers
280 views

How to take stereoscopic images of moving target?

I am trying to build a raspberry pi device that will take a stereoscopic picture of a moving conveyor belt by simultaneously taking a photo from two separate cameras. Since the image is constantly ...
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0answers
5k views

Read Qr-Code from Raspberry Pi Camera in Browser with Flask

Im stuck with implementing a Qr-Code Scanner I found here: https://stackoverflow.com/questions/23538522/scanning-qr-code-via-zbar-and-raspicam-modul I already managed to set up the Raspberry Pi ...
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231 views

Camera frame rate appears to be not constant

I am working on a project with a Raspberry Pi 3B to record videos that I later want to analyse with software such as ImageJ or Python. The setup I am using consists of the Pi, connected to the camera ...
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5answers
4k views

remove uv4l “software by http://linux-project.org” watermark

Using the Compute Module & IO Board, I installed uv4l. I'm just not sure why this "software by http://linux-project.org" watermark showed up only when I use Stereoscopic Vision. (No watermark ...
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1answer
109 views

Raspberry Compute Model 3, is hardware opensource and approach to integrating HD camera on board?

Im planning to build a home security video surveillance to record video and stream it. This is a personal project but I want to approach it with a production ready mindset, as a challenge for myself. ...
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2k views

NoIR Pi Camera settings for night sky timelapse

I have a Pi NoIR camera and have been trying to timelapse film the night sky. I'm looking for the kind of effect you see where the stars all rotate across the screen in a half moon shape. I have all ...
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1k views

Realtime streaming video to HTML5 with RaspberryPi, gstreamer

I'm trying to make a live stream from a Raspberry camera available on a HTML5 webpage. Because of combination of factors, I would like to stream it to an outside server pc(Server pc os is window7) ...
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874 views

Green Tint Raspberry Pi Camera Outside

I am getting a green tint or full green saturation on pictures that I have taken with the Raspberry pi camera module while outside on sunny days. I am powering the raspberry pi from a battery while ...
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1answer
4k views

Overlay a plot of sensor readings on video output

I'm working on a project where I use a Pi + camera + sensors. I would like to use the picamera module and overlay a moving plot of the real-time sensor readings on the video output by using the ...
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0answers
582 views

I2C and camera issues

Is there any known issue by using I2C components and the RPi Camera at the same time? I am using: Raspberry Pi B+, running Raspbian (updated and upgraded to the latest versions) MPU6050 3 Axis ...
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0answers
722 views

Importing Lepton Thermal Module video feed into OpenCV on Raspberry pi

I'd like to import the video feed that I can capture from a thermal imagery camera I got off sparkfun for a college project of mine. But, I can't seem to get the ./raspberrypi_video into the Video ...
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2answers
1k views

Camera doesn't work with GPIO PIR Sensor

I am using a 3 pin PIR Sensor to detect motion (https://www.modmypi.com/pir-motion-sensor). This is connected to the GPIO pins. I also have the RPI Camera module attached to the Camera CSI. I would ...
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1answer
7k views

“mmal: No data received from sensor” error

I have some problems with the raspicam,can you help me Please? In fact, It was working without problems since the last month but, yesterday, it starts to display this error when I ran raspistill -o: ...
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1answer
923 views

Camera not turning on with Raspberry Pi 3B

My Raspberry Pi Camera is turned ON when connected to the Display port (Red LED is turned ON) but when connected to the Camera port it is not turned on (Red LED is OFF). The camera is also not ...
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2answers
6k views

Stereo Vision Using Compute Module: Pi camera synchronization

Good day, I am currently working on an obstacle avoiding UAV using stereo vision to obtain depth maps. I noticed that the quadcopter would sometimes not steer to the correct direction. I am using ...
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1answer
4k views

How can I save the video recording from the camera module to an USB drive?

I know that I record by issuing the command raspivid -o filename.h264 -t 100000 (film for 100 seconds) but how do I specify the directory at witch I want to store the file? Usb is at dev/sdb1
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2answers
544 views

saving pictures file name as camera ID

I have 30 raspberry pi camera modules working in the same network. I am using pssh -h host.txt raspistill command to take pictures form all these modules simultaneously where host.txt contains IP ...
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2answers
1k views

Using Python to control the Raspberry Pi Camera

I have started coding a program in Python 3 for the Raspberry Pi Camera, here is what my code looks like: import picamera, time def Picture_Name_Settings(): pic_name = input("To name the image ...
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3answers
4k views

Raspberry pi camera module very slow with SimpleCV

I have been working on a project where I am tracking an infrared LED (blob) and obtaining its coordinates to move the mouse cursor in raspbian OS. I'm using SimpleCV and raspberry pi csi camera with ...
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1answer
25 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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3answers
466 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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1answer
4k views

RaspberryPi Camera - bcm2835-v4l2 kernel module source

I want to make some optimizations on camera kernel module so it can work better with a camera multiplexer module. There are 4 camera multiplexed by GPIO pins and some hardware. I have cloned the v4l-...
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1answer
336 views

Naming images from camera with time so that they don't overwrite

I'm working on a project which will use a PIR motion sensor to take a photo of the room, also triggered by the PIR sensor. I'm using the PIR sensor for something else at the same time, so I'd rather ...
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2answers
4k views

How to send image to email which is captured by Pi camera?

I am new in Pi Camera and RaspberryPi. I want to send the captured image to email. How can I do it?
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2answers
4k views

ffmpeg video file with v4l2 driver

I want to save a video file from the raspberry camera, by using the v4l2 driver and ffmpeg. v4l2-ctl is able to capture the video, though ffmpeg is not. When i run the command: ffmpeg -f video4linux2 -...
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1answer
737 views

How to use Raspberry Pi and Pi camera standalone like Arduino?

I am writing a python code to detect balls using RPi, Pi Cam, and OpenCV library. I am a newbie to RPi. How can I use Raspberry Pi standalone which works just like Arduino? Thus, there should be auto ...
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1answer
1k views

raspistill timelapse stops working after about 2 minutes

I'm using a Raspberry Pi 2 Model B running Raspian Jesse Lite with the official camera board. When I try and take a timelapse, it runs for about two minutes, then stops. I'm running raspistill --...
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3answers
658 views

transferring files from remote servers to local

I am working on a project for which I'm using 30 Raspberry Pi (B) camera modules in the same network. I can take pictures from all of these simultaneously and now I want to copy these pictures from ...
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2answers
866 views

Using the Old Camera on a Raspberry Pi Zero

As was recently announced, the Raspberry Pi Zero (V1.3) now supports the foundation's camera. It was also announced that the new Zero has a smaller connector and requires a different ribbon cable that ...
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2answers
10k views

recording a video with picamera

I have this code which record a video when there is a motion, and the name of the video is the date that is the code: import RPi.GPIO as GPIO import time import picamera import datetime # new def ...
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2answers
2k views

Raspicam images are way too dark when raspistill is not used

I am trying to grab continuous images using Raspicam 1.3v on Raspberry Pi 2. I use c++ and the following library for interface: http://www.uco.es/investiga/grupos/ava/node/40 When I use raspistill, ...
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1answer
38 views

raspistill does not stop taking pictures

I wanted to take a single picture with raspistill, but it writes a file every ~11 seconds and does not stop. The command is: raspistill -t 0 -q 90 -dt -w 1920 -h 1080 -n -fli 50hz -o /media/pi/...
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1answer
100 views

What resolutions can I use for the Raspberry PI camera 2? And how can you tell?

I'm working on a project with Raspberry Pi 3 and camera module v2. I'm using OpenCV and raspicam. I want to know the maximum resolution I can use. The datasheet says 3280*2464, but I get errors when ...
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1answer
25 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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2answers
178 views

Developing custom effects for raspivid?

Has anyone created a custom effect for raspivid's -ifx option? From a quick look at the Github repo, it seems there is it might be run through the MMAL interface but I have no idea where to get ...
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2answers
1k views

Image artifacts in raw TIFF from Pi Camera disappear when I first save as DNG and then convert. What gives?

I'm trying to use the Raspberry Pi plus the NoIR Picamera module V2.1 to collect raw (bayer-filtered) IR images for NDVI analysis of plants (programs written in Python). So far, I haven't found anyone ...
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1answer
2k views

Green image with rpi picamera

The following code generates a green image in raspberry pi with picamera. import picamera with picamera.PiCamera() as camera: camera.resolution = (1280,960) camera.exposure_mode = '...

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