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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980 views

Raspistill doesn't work well in low light

I am taking photos every hour during the day. Photos at night are very underexposed as you can see in my example. Here's the part of the python script that matters import os os.system("raspistill -t ...
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1answer
2k 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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1answer
33 views

Raspberry Pi Live Stream + Image Capture

I'm wanting to set up a camera using a PI. This camera will capture images of vehicle registration plates when motion is detected, to be checked and validated. Is it possible to both live stream and ...
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0answers
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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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2answers
244 views

How to broadcast command across network?

I have an Apache server running on one Pi and also hosts a PHP script that gives the Raspistill command to take a photo. After running through the problems of permissions, I finally got the Pi to take ...
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1answer
222 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
333 views

Record raspivid and shut down safely

I'm new to Raspberry Pi tinkering and I'm trying to make some slight changes to the Adafruit 'Raspberry Pi Wearable Time Lapse Camera' project. Instead of the camera taking pictures at a given ...
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14 views

picamera.exe.PiCameraIOError: Failed to write 291840 bytes from buffer to output <picamera.stream.BufferIO object at 0x62f70c60>

Using the PiCamera Advanced Recipies in the link I am trying to capture the image to a numpy array. My code basic lines of code are. final_image = np.empty((height , width , 3), dtype=np.uint8) ...
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1answer
691 views

How to install raspistill on Ubuntu Core?

I would like to be able to take pictures with the Raspberry Pi camera while running Ubuntu Core (Snappy). How can I install/enable the camera? This question is about Ubuntu Core, not Raspbian.
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1answer
368 views

Running openCV C++ file from python in Raspberrypi

I'm creating a object and color detection robot. Here in this case, I'm using C++ to run the camera and process the image with openCV in C++, but before I run the Camera, I want the robot to move and ...
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0answers
19 views

RaspiCam IVPort Dual Camera Multiplexer failure

I'm trying to design an RPi based system that should switch between two raspberry cameras. I just need to switch between the two cameras I don't need to mix their frames in any way. Moreover, in the ...
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1answer
358 views

Dependencies fail to install, cannot install picamera on pi3

When I run apt-get install python3-picamera it fails with different dependency issues like: files list file for package 'libparams-util-perl' is missing final newline or files list file for package '...
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0answers
22 views

Is the algorithm of processing raw data from PiCamera to get the JPEG that raspistill obtains opensource?

I'd like to learn how exactly the raw data from PiCamera are processed by the system to yield the final JPEG that raspistill saves. Is this algorithm available as opensource code? Or is it hidden in a ...
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1answer
656 views

navigator.mozGetUserMedia() returns “Starting video failed”

I am trying to use my Raspberry Pi 2 and Raspberry Pi Camera to join a WebRTC session in the browser. I was able to set up a WebRTC server on my Pi through this tutorial and I am able to start/join a ...
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1answer
757 views

NoIR V2.1 camera auto white balancing

I have a Raspberry Pi NoIR V2.1 camera. I am working with the NIR (940 nm) LEDs and I saw that I was getting funny/weird colors, so I assumed that it is due to the white balancing, so I switched off ...
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2answers
1k views

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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1answer
3k views

pure python mjpeg streaming?

I tried the mjpegStreamServer from here but it doesn't seems to work... First of all, most times, after run it throws errors: — Exception in thread Thread-1: Traceback (most recent call last): File ...
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1answer
26 views

How to calculate the battery usage of raspberry pi with 2 motor drives

We have a raspberry pi 4 with 2 12v motor drive L298, 5 ultrasonic sensors, and raspberry pi camera but we need to know how to calculate the battery usage of all these chips, could anyone help with ...
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1answer
1k views

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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0answers
27 views

How to get stream to function?

I recently started a project to make a 24/7 stream on my ras pi. I hooked up the camera module v2 any the system detects it. I updated and upgraded then installed motion. I ran sudo modprobe bcm2835-...
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1answer
615 views

Raspbian Picamera web stream and record

I've been searching this for a while and I found a few posts that look interesting but it doesn't do what I really want. I am trying to set up a Raspbian security camera that records the video to a ...
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1answer
585 views

Stream mjpeg (or any other format/method) from my Pi 3 camera to another server in AWS

I am looking to "tunnel", "forward", "bridge" an mjpeg stream from mi Raspberry Pi 3 to a server I have on AWS (Linux). I have currently tried the UV4L packages to stream video in my LAN and I have ...
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1answer
125 views

Where did /dev/video0 go?

The Pi camera in my Pi Zero W stopped working. Possibly because /dev/video0 vanished. Can anyone say why? In the meantime I have these three devices instead .. pi@easy:~ $ ls -l /dev/video* crw-rw---...
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3answers
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How to use raspicam with Visual Studio 2017 and C/C++

In Visual Studio 2017 I created a new project using the cross-platform linux Blink (Raspberry) template. This compiles and runs perfectly and the debugger in the Debug->Linux Console also works pretty ...
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3answers
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PiCam Not Working (At All)

As I recently bought the Picam, I tried capturing an image with : raspistill -v -o file.jpg But I got this error : "No data received from sensor. Check all connections, including the Sunny one on ...
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2answers
1k views

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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0answers
26 views

Why does raspistill take 10× more real time than the shutter time I set?

I've installed the camera module v2.1, and now I'm trying to make long-exposure photos with it. I seem to get correct results, i.e. the image is bright enough corresponding to the large exposure time, ...
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1answer
3k views

How to send live video frames from Raspberry Pi to my Computer

I need to send live video frames from my Raspberry Pi with a PiCamera (or USB Camera is fine too) to my Computer. From my computer, I will use the frames for Image Processing and Computer Vision using ...
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2answers
775 views

Can't start picamera at Raspbian startup

I want to run an opencv-python program at Raspbian startup. The program is to capture images continuously from picamera and do some image processing using opencv and display it in full-screen mode. ...
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1answer
201 views

Camera module in Raspberry Pi 3

I'm using Rasberry Pi 3 along with a camera module. The camera is being detected but when I run raspistill to save an image no data is received. I checked the connection at both ends. Is the ...
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1answer
36 views

Non Native Raspberry Pi Camera

I am trying to set up this camera to my raspberry pi 4. The fact about this camera is that, according to the seller it's different than the normal v2 cameras that we typically install on raspberry pi ...
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0answers
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Raspistill turn all auto off

I was woundering is possible to turn off everything automatic on raspberrypi camera using raspistill, I know it is posible to set specific value for some modes like awb, ex ... I am having problem ...
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1answer
1k views

How to use raspistill on a Raspberry Pi 3 from Ubuntu

How do you enable the camera module in Ubuntu 16.04 running on a Raspberry Pi 3? This is similar to my earlier question, except where that was for the Raspberry Pi 2, this is for the 3. I ran ...
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2answers
2k views

Can I set the camera's shutter speed for video?

I need to have a low shutter speed to be able to capture a light that is only on for a few milliseconds each frame (light synced with camera fps, but only want it to capture when the light is on). How ...
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1answer
62 views

Desire line mapping with Raspberry Pi and Python

Desire lines normally refer to paths created by humans as a result of excessive use, as that path is the most efficient form of transportation. So if I mount my Pi Camera looking at an intersection, ...
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1answer
40 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 ...
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1answer
2k views

Why is my pi camera v2.1 detected but not taking pictures?

Thanks for your help. Yesterday I moved my Raspberry Pi cam v2.1 with the rpi robot chassis and the camera won’t take pictures. But, the day before, the camera functioned properly. Why do you think ...
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1answer
534 views

Wired transfer of live video between 2 raspberry pi's

How can I send a live video from a Raspberry pi to another Raspberry pi, using an optical fibre, not using WiFi or other wireless communications? I need to send a live video recorded by a camera, ...
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4answers
485 views

runing command on startup

I need to execute this command on the RASPBERRY PI bootup cd RPi_Cam_Web_Interface && ./install.sh and also follows dual ENTER keys with 5 seconds interval for each.
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1answer
253 views

RPi video streaming through a VPS

I have a VPS and I want to use it as an intermediate server so that users can have access to the video stream of RPi Camera remotely. I searched many posts and most of them are about setting up a ...
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0answers
39 views

Raspberry Pi Camera V2 resolution reduced

I am testing my Raspi Cam V2 on raspi model 4B running buster, I was able to get 1080p videos at 30fps and it supported the below formats $ ffmpeg -f v4l2 -list_formats all -i /dev/video0 [...
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3answers
3k views

Raspberry Pi camera randomly freezes / crashes SoC

I use my Raspbery PI model B for capturing images for a timelapse. I capture an image every 30 seconds (roughly) using the build in raspistill command within a simple bash script seen below: #!/bin/...
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2answers
82 views

First frames of video from Rasp Pi camera have a high exposure

When I record video using the v1 of the Rasp Pi Noir camera the first few frames/second have a very high exposure (very bright) and then it settles down to a reasonable exposure setting. Because the ...
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0answers
42 views

Need troubleshoot fix my Raspberri Pi camera

So my MotionEye setup works fine, but after like 24 hours everyday, when I go connect the IP address it won't connect for some reason... And I can see that the Raspberry Pi3 and the Camera is working, ...
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3answers
2k views

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
21k views

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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2answers
114 views

Is it possible to power IR light module from 3.3v GPIO

Welcome, i've got a question that is bugging me for quite some time lately. I've got RaspberryPi zeroW with ZeroCam camera module (without IR filter). To get it to work in dark I bought IR LED ...
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1answer
55 views

build a minimal camera (OV5647 + microSD + ?)

I want to use the OV5647 camera module to start to store data (as soon as it is fed, I don't know yet whether in photo or video format) to a microSD choosing a specific rate and resolution (e.g. ...
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1answer
1k views

Access RPi's camera stream in OpenCV C++ (Qt)

I've setup my Raspberry pi 3 B with uv4l and have access to the video stream on http://(raspberry-IP):8080/stream address. Now, I have Qt5(C++) and OpenCV installed on my main computer. How can I ...
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1answer
86 views

Could not find an image captured using raspistill on raspberry pi

I ran the command raspistill -o image.jpg can someone tell me where is the image storred