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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Raspberry Pi 3 and V4L2 C++ Capture Code for JPEGs

I have a Raspberry Pi 3 with the latest Raspbian Stretch, and the Sony 8MB official camera. I can save a good looking JPEG with the following commands: v4l2-ctl --set-fmt-video=width=2592,height=...
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Camera module “crashes” Raspberry Pi

Crashes in quotes because I'm not really sure that you can call it a crash. I don't know how to figure out what exactly is happening. The Problem I've been trying to get my camera to work properly ...
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3answers
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Using the Raspberry Pi Cam at 110 degrees Celsius

A CCD camera is required to be placed in a hot environment of up to 120 deg Celsius. I am thinking of using the Raspberry Pi Camera Module which I already have. However I am unable to find any specs ...
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2answers
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How to access raw Pi Camera data?

I am trying to use a Pi Camera to take various pictures, but only if the overall picture is not pitch black or really dark (as I will mount it in my office and do not want it going while I'm away). I'...
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1answer
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What is the speed of the Camera Serial Interface (CSI) and its cable?

What is the speed of the CSI interface and cable? I'm looking for an answer that is in either x kb/sec or x secs/picture.
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raspistill annotation timestamp not updating

When doing a timelapse, the annotation only shows the initial timestamp, not the current timestamp of each frame - which makes imho no sense? Am I doing something wrong? Is there any quick workaround? ...
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1answer
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Installation of Zbar failed

I'm trying to install Zbar but I am having an issue with ./configure: checking linux/videodev.h usability... no checking linux/videodev.h presence... no checking for linux/videodev.h... no configure: ...
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1answer
1k views

Remotely connecting to the PI to download images

I'm trying to build a little project (my first) with my Pi which is running Raspbian. I want to set up a camera on my piece of land where I'm going to build my house to take some time lapse photo's. ...
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Is it to possible to have parallel access of Pi's camera to take stills, when it is streaming through FFMpEG video streaming?

Is it to possible to have parallel access of Pi's camera to take stills, when it is streaming through FFMpEG video streaming ?, if not, then how both ( still and streaming) can be processed at the ...
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1answer
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Getting image data from raspberry pi camera module in OpenCV with Python

I am working on a project where I need to use opencv to get image data in python from the pi camera module. I have seen the tutorials on how to do this with C++ but not too much in python. I did find ...
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1answer
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Installing mmal motion on RPi

I have been trying to install motion on my Pi3, only to be chasing library errors at every step. None of the tutorials seem to say what flavor of Pi OS to use. I am beginning to wonder if I chose ...
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1answer
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getting two camera preview with raspberry pi compute module

You know raspberry pi compute module has two CSI camera inputs. I can connect two camera and activate both of them. I have a project with raspberry pi that I need to preview from both camera ...
4
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1answer
537 views

Picamera record video in one resolution and take stills in three other resolutions

I looked into the documentation of the picamera and wondered whether there would be a way to use the splitter option to have the picamera capture a video in 640x480 and asynchronously capture stills ...
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1answer
223 views

Raspberry Pi Camera V2 failure

I recently acquired a new Raspberry Pi camera module v2 to use with a Raspberry Pi Zero 1.3 and the 'official' Pi Zero case (comes with a 1.5" camera cable). I am running Raspbian Jessie Lite. I ...
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1answer
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raspistill speed

I was wondering if there was a way to increase the speed at which images are written to memory using raspistill? This is for an opencv project where i would like to test various filters against ...
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1answer
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Purple Haze while recording from raspicam and picamera

I am recording from 8 raspicams using picamera. Initially the cameras gives the desired output but soon there is purple band/haze which appears on 3 cameras out of 8. I checked for digital_gain, ...
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Can the Compute Module 3 support 240fps from the Pi Camera v2?

The Compute Module 3 supports CAM1 with 4x Lane CSI MIPI as does the official doc for the Sony IMX219 camera module. It has been explained in many places that the reason the standard Raspberry Pi ...
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1answer
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Syncing Image Capture on Raspberry Pi 3 Using Picamera V2

I am currently attempting to synchronize four raspberry pi 3s using Pi Camera V2s to take photos of a stopwatch at the same time. I am using a function generator to send a signal to the GPIO pin. The ...
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2answers
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Using other camera modules to build custom webcams

I have three old iPhones (iPhone 3GS, iPhone 3G and an iPhone 4) that I recovered from family members that were going to throw away. I had the 3GS so out of curiosity I disassembled it and recovered a ...
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Can Raspberry Pi NOIR Camera see near infrared light (~1550nm)?

I wish to create a pattern using 1500nm laser and analyse the images.Will any Pi-Cam (NOIR) capture this? Link to research regarding camera characteristics with respect to wavelength upto 1500nm ...
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1answer
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Camera gets hot, how much power should it dissipate?

I planned to add the chinese NoIR RPi camera in a birdhouse. First tests revealed, that the camera module heated up to 65 ⁰C. The IR LED's were very warm too. How much power is dissipated by the ...
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3answers
622 views

Will long-term viewing of a sunny sky hurt the Pi Camera?

If a recent model Pi Camera faces the sky for months or years, is there anything known about damage to the sensor from long term exposure sunlight? Of course I know this might not be advised, but I'm ...
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2answers
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PIL.Image from picamera.capture()

I want to get an image from the pi camera module and use the pillow imaging library to modify the image. The way I have been doing it up to now is to take a picture with the camera and then open that ...
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5answers
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Can the RPi Camera cable be folded/creased?

The RPi camera uses a cable that looks nearly identical to a flat flex cable. The regular RPi Camera connector. The Pi Zero adapted version. I have seen videos of people folding/creasing these ...
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3answers
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Stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should be on a millisecond level possibly. I would like to get about 10 FPS either as video or still ...
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2answers
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Setting camera module to /dev/video0 to scan QR Codes using zbar

I'm trying to use the library zbar to scan qr codes using Raspberry pi's camera module. I've connected and tested the camera, but I don't know how to access that from the library because it isn't on /...
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2answers
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Camera module not getting detected

I get this error when I run 'raspistill -t 2000 -o image.png -e png ' mmal: Cannot read cameara info, keeping the defaults for OV5647 mmal: mmal_vc_component_create: failed to create component 'vc....
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2answers
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C++ API for Raspberry pi camera not working

I am new with R-pi. I need to use picam. While working with cpp, i came to know there are already different API for this. I am using an API link here: http://www.uco.es/investiga/grupos/ava/node/40 . ...
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2answers
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How do I install Open cv easily onto my raspberry pi? and so that it works?

I have tried to install OpenCv onto my Raspberry pi many times and some of the times it has worked and some of the times it hasn't worked. When it works I try to do a simple program with my raspi-cam ...
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2answers
5k views

Getting extremely low fps on Rpi 3 while image processing

I am working on a project that requires image processing to detect a traffic light and take action based on its status (on or off). I initially developed the code on my PC, using OpenCV and Python, it ...
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3answers
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Relative benefits of standard vs NoIR module cameras for Raspberry Pi

I'm looking at the module cameras available in Amazon, and it seems a clear choice between the standard module camera and the NoIR version (which is the same as standard but with infrared filter ...
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2answers
625 views

Should python picamera create multiple threads (PIDs) while recording video?

I'm recording video with python picamera module (See above code). import picamera video_length=180 with picamera.PiCamera() as camera: camera.start_recording("video.h264") camera....
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2answers
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Python parallel processes for raspberry pi zero…possible?

I'm trying to setup a concurrent photo capture and immediate email of said capture (triggered by a PIR motion sensor) in a Python script. Basically what I'm trying to accomplish is to have my Pi take ...
3
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1answer
7k views

Don't show preview window for Raspistill?

I am using the following command to capture and write jpegs to a tmp directory which end up getting streamed over the network raspistill -w 640 -h 480 -q 5 -o /tmp/stream/pic.jpg -tl 100 -t 9999999 -...
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1answer
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Raspberry Pi Camera Not Showing Preview Onto Touch Screen

I have a 2.8 inch touch screen that plugs into the GPIO pins on my Raspberry Pi 3. https://www.adafruit.com/product/1601. I have a raspberry pi camera that I attached to the pi. I am using the ...
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2answers
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Using the camera with uv4l

After installing uv4l as instructed here : http://www.linux-projects.org/modules/sections/index.php?op=viewarticle&artid=14 I managed to get pictures using dd as the same page suggests : dd if=/...
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2answers
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How can I stop the overlay of images between my pi camera and FLIR camera?

Totally newbie here, I'm trying to do a project with the FLIR sensor and a Raspberry Pi. They provided me with some code that turns on both the Raspberry Pi Camera and the FLIR sensor and overlays the ...
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2answers
351 views

Connection to raspicam as event trigger

I have a NoIR cam working with my Pi2 using the uv4l driver. I also have an external 12v IR led array that I would like to set up with the Pi. My plan was to set up a Pi controlled relay to turn on ...
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1answer
7k views

Raspicam C++ API mmal linking

I have installed the raspicam API as instructed here: http://www.uco.es/investiga/grupos/ava/node/40 It appears to be installed correctly. When I compile any programs linking libmmal I get the ...
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1answer
888 views

Does the Raspberry Pi camera module have any power saving modes?

My question is related to this one I just asked But this time, I want to know if I can cut the camera power. A FAQ says it draws 250mA, but I don't always need it to be on, so are there any power ...
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3answers
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RasPi Cam - Color of image

I've just install raspi cam and test raspistill, my first picture's colour is too yellow. Is this camera problem?
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1answer
54 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 ...
3
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1answer
401 views

Fast pictures with PiCam and Java

I was already searching through forums and this stack exchange but I couldn't find anything that helps. So here is my problem. I have written a program in Java that analyzes pictures and outputs ...
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1answer
2k views

Multi-Cam Module Error

I am trying to run 2 Camera Modules via the Multi-Cam Module(https://www.amazon.com/Arducam-Camera-Adapter-Compatible-Raspberry/dp/B012UQWOOQ) on a Ras-Pi 2B. The pi is running the latest version of ...
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1answer
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How do I downgrade Raspbian?

I have Raspbian Jessie and recently I did sudo apt-get dist-upgrade and after that update, my Raspberry Pi camera stopped functioning. How do I downgrade Raspbian in order to get my camera working ...
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2answers
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Raspberry Pi Camera Module slower than Desktop Webcam

I'm using CodeBlock IDE on raspberry pi 2 with raspberry pi camera module to run face detection program (via Haar Cascade). Now I've compared its performance using Microsoft LifeCam (USB connection) ...
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1answer
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Why does PiCamera take so long to capture?

I'd like to capture an image at a specified shutter speed and ISO, and write it to disk. I thought that'd be pretty straightforward but... apparently not? In searching, I found people complaining ...
3
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1answer
746 views

Side by side camera module preview?

Is there any way to force raspivid or any other tool to display preview from camera (on hdmi display) side by side cloned, so it could be used in VR glasses?
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1answer
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Taking images from raspicam at 100 fps

I have been using my raspberry pi and working with the camera module. The lowest time taken by regular raspistill to capture a single image is about 900ms. I use the picamera python interface with ...
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1answer
7k views

Receiving this Error with RPi camera module: mmal received unexpected camera control callback event

This error appeared two weeks ago when using the camera module. I searched on the internet and came to a conclusion that my Raspberry Pi camera module was defective. I just received another camera ...

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