Questions tagged [camera]

Use the Camera tag for any questions related to how to use a camera or webcam with the Raspberry Pi.

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0answers
478 views

Proxy Camera Stream to Server

The camera runs fine locally, using MJPG-Streamer to broadcast the stream. However I'm trying to setup the stream to be relayed via a server rather than opening any ports on the router from the local ...
2
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2answers
994 views

What is the most optimum memory split for streaming pi's as security monitors which you will only ssh into?

I have a few model A's and model B's. I've also read about a few options that allow you to configure an arbitrary split apart from the 16, 32, 64, 128 (and 256 for the B). Any insight would be ...
7
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2answers
16k views

Reading barcode with Raspberry Camera and zbar

I'm Trying to decode barcodes using Raspberry Camera-board and zbar tools. So far it has not worked since the image captured by the Camera is fuzzy: the barcode is either too close or too far to get ...
6
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2answers
15k views

Can I use the composite video connecor to send video INTO the Raspberry PI?

I am looking to convert video from an analogue surveillance camera (w. BNC connector) into a digital format using a Raspberry PI. I was wondering first if the composite video connector would allow me ...
9
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3answers
16k views

What streaming solution for the Picam has the smallest lag?

This post shows how to stream using VLC. It works nice and is simple, but it gives me about a second lag. This post uses GStreamer, and it has 0.3 second lag; I would like less. Is it possible to use ...
3
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3answers
5k views

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 ...
2
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2answers
836 views

Will I be able to use the Pi to detect counterfeit money using UV and IR sensors?

I'd like to build a machine for counting bills and during the counting process, I want to check whether the paper money is counterfeit or not. Is the Raspberry Pi capable of doing this or would I be ...
0
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1answer
4k views

Raspistill fullscreen preview with valid aspect ratio on composite PAL 16:9 display

Software: raspbian, hardware: Pi model B 512 with camera board Display: rear view car display, PAL composite input, 480x272 resolution, 16:9 aspect ratio Goal: I'd like to shot still images with ...
5
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1answer
28k views

Getting correctly exposed photos and the right shutter-speed for the RPi camera board using raspistill

I'm using my Raspberry Pi with the RPi camera board to capture a time-lapse video of outdoor scenery using the raspistill command. As I am uploading the photos to a server after I take each photo, I'm ...
1
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3answers
960 views

Raspberry Pi network camera

I need to write an application that runs on a Raspberry Pi and camera board that listens to a network trigger, then captures an image and sends it back. I have a lot of C# experience, but never ...
2
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1answer
4k views

Calling RaspiStill from C program using WiringPi

I am trying to create a C program that would call RaspiStill or RaspiVid when one of the GPIO's is triggered high. I would like it into fit into this program that I have already created... include &...
2
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1answer
2k views

Using Pan and Tilt servos

I am trying to get pan and tilt camera working with Raspberry Pi. I have successfully gotten one servo to work following this tutorial: I also found this tutorial showing pan and tilt, although it ...
4
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2answers
5k views

4 USB camera framerate and resolution

I understand that the raspberry pi can record from USB webcams. My question is, if I use a powered hub to get extra USB ports, what kind of frame rate will the raspberry pi be able to record video at ...
3
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2answers
895 views

How to upload image from raspivid with curl?

I'm succesfully capturing frames with software described in Pierre Raufast blog. I tried to upload image buffer using IplImage structures or raw buffer (please look at buffer and dstImage in ...
0
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2answers
565 views

can take picture with PI camera

I have used the command raspistill -o image.jpg to take a picture. when the command is executed, the camera will show the red light, but the light on the camera won't stop until I stop the PI, I ...
1
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2answers
2k views

What is the best way to capture still time-lapse from logitech C920 on raspberry pi

I'm looking to use a Logitech C920 to capture still images (which I will later sew into a time lapse) Is it possible to use raspi-still to do this? I've read about the streaming solutions and using ...
2
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5answers
430 views

Camera module works on one but not on another

Hopefully I have 2 RPi to test. I tried my camera module on one it doesn't work but it's fine on another. The one doesn't work just keep red LED on cam module in and either raspistill or raspivid hang ...
5
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4answers
28k views

Streaming live from the picam

I have tried to install Motion to stream from the cam. So I went to: RASPBERRYPI-IP:8080/8081 but it didn't show me my stream. I have no idea how Motion works and I am curious if this is the best and ...
1
vote
5answers
16k views

noIR Camera not working

I have recently (in the last few days) bought a raspberry pi and noIR camera. I was taking some pictures with it, and it was working fine. Then suddenly, it stopped working after a reboot and gave ...
1
vote
1answer
712 views

Cant get motion to start

I'm trying to set up raspberry pi for a timelapse. I have installed motion, but i cant get it to start. I have tried to start it as a daemon. It seems to start, but when i run ps aux | grep motion ...
3
votes
1answer
2k views

UV4L on Raspbian not working

I've installed the UV4L video for linux framework for the PI, and it installs fine but when running the following dd command to capture an image dd if=/dev/video1 of=snapshot.jpeg bs=11M count=1 I'...
4
votes
3answers
3k views

I need help setting up a Raspberry dash cam

I want to use a Logitech c525 and the RPi to act as a dash cam in my car. I'm trying to achieve: Boot up and auto start recording at high res overwrite oldest videos shutdown properly when I turn ...
37
votes
8answers
91k views

RasPi Camera Board and Motion

I just got my Camera Board and a Model A Raspberry Pi to use as a security camera for my house. I had been using Motion with a Logitech C170 USB camera on my Model B board and it worked great except ...
8
votes
3answers
6k views

Enable camera without Raspi-config

I would like to enable the raspberry pi camera without using raspi-config, as I need to do this in an automated bash script. Anyone know how? ended up pulling this out of raspi-config #!/bin/bash ...
3
votes
0answers
363 views

Show *modified* video from camera on screen

There are many tutorials how to show video from camera on screen (like this one). I need to modify video stream with simple but custom filter. Stream may be low-res, so CPU should have enough juice. ...
0
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2answers
200 views

Is there a way of making raspi-config verbose?

I am wanting to configure a RaspberryPi without using the raspi-config gui. Is there a way to do this, or at least get raspi-config to spit out the commands its running. If not, is there a list of ...
1
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1answer
3k views

raspivid option -n together with ‐awb or -ev

When I run raspivid with -n option I cannot use options -awb and -ev does not work either. My goal is to use camera in greyscale mode without a preview window. When I tested with -ev off then video ...
8
votes
2answers
12k views

Is there a way to Stop/Pause an actively recording/on raspi camera?

Starting the Raspi Camera is rather trivial: raspivid -t 10000 -o test.h264 Problem: There is no way to stop this. This seems really stupid to me as, to the best of my knowledge, there is no camera ...
5
votes
2answers
8k views

WPUT is uploading pictures captured by Motion over FTP, but JPGs are blank?

I have been following this guide here and have got everything to work except the images being uploaded to my server are all blank. Here is an example of one of the blank image files. The JPGs ...
1
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1answer
2k views

Unable to use time lapse feature with RaspiStill

For some reason RaspiStill has lost some of its functionality. When I tried to use the -tl argument it doesn't produce any photos and seems to hang up. The full command I am running is: raspistill -...
4
votes
4answers
5k views

Unable to run RaspiStill from PHP

I have been attempting to use RaspiStill in PHP for a number of days now. I have searched around and have been unable to come up with a solution. I have been attempting to use shell_exec() in my php ...
6
votes
2answers
2k views

What's the RPi camera board called (internally)?

I connected a Rpi-camera board to the camera socket on my RPi (not a usb webcam). I have been searching the internet on how to call the camera in Python. The camera works (raspistill and raspivid both ...
2
votes
2answers
3k views

How to add usb webcam and WiFi to RPi model A without ruinning power consumption?

So I managed to diminish my RPi model A power consumption to the impressive mark of 70mA (underclock + replacing the 3v3 regulator). Low current is important because it is a mobile app (robot/car ...
0
votes
1answer
2k views

the script can't take picture with raspberry pi camera?

I am running a simple program on the raspberrypi camera, 'raspistill' works in the command shell, however when it comes to program it on python, the simple script doesn't seem to take pictures for me, ...
5
votes
3answers
5k views

Camera gets stuck on

Using the raspberry pi camera with raspivid, I find that sometimes the camera seems to lock up. raspivid exits, but the red LED stays on. Rebooting does not reset the camera (LED still stays on - ...
1
vote
1answer
883 views

MMAL Raspberry Pi Speed

Does anyone know if there is a way to improve the speed of taking photos with raspistill? I have a Python program which basically calls "subprocess.call" - I've noticed that the speed of such an ...
4
votes
2answers
4k views

What is the best container to put h264 into and how do I do it?

I've recorded some video with my Raspicam using: raspivid --timeout 5000 --output video001.h264 --width 1080 --height 720 --bitrate 10000000 --framerate 24 I've converted this to mp4 using: ffmpeg -...
3
votes
1answer
795 views

How fast should the camera board be?

What is a reasonable speed to expect from the raspberry pi camera board? It seems to take about 15-20 seconds per photo in some cases - is this just how it works or are there some hidden settings ...
4
votes
1answer
16k views

How can I run a terminal command (bash) from C#/Mono?

I've got an asp.net mvc website up and running great on the pi, and I'm even blinking an led - however, I would like to take a picture from the site using the raspberry pi camera board. I am ...
1
vote
1answer
10k views

How to read values with pyserial?

I'm using a CMUCam4 connected to the usb port. So far I've tried this: import serial cam = serial.Serial("/dev/ttyUSB0",19200) cam.write("GV \r") #call get version result = cam.readline() The ...
5
votes
1answer
946 views

Is the camera module present?

Is there a way to tell whether the camera module is present without actually trying to record a video or take a photo? I thought maybe i2cdetect would show it up since the camera uses the i2c, but it ...
2
votes
2answers
1k views

Tutorial Guidance - Writing Web Apps for my RPi

With disastrous results expected, I configured Raspbian with no GUI (all memory to the system) with LAMP, Webmin, and Samba. It works very well albeit slower than my dual core LAMP, and Webmin shows ...
3
votes
1answer
882 views

How to access raw video data from CSI camera?

I'm developing an augmented reality sort of app for the Pi, but I need access to the video data (pixel data) to tweak things programmatically from a C program, then display the modified frames. How ...
9
votes
2answers
8k views

How to change focus on Raspberry Pi camera?

I'm having trouble getting the camera to loosen. I need to change the focus so I can attach an external wide angle lens to remove the blurriness. However, no amount of prodding seems to work. Has ...
6
votes
5answers
4k views

Raspberry Pi as surveillance cam?

I want to use the Raspberry Pi and the camera board as surveillance camera: As soon as a movement is detected, an event shall be raised, e.g. a mail sent. What I am wondering about: Do the typicall ...
1
vote
1answer
1k views

Raspberry Pi camera feed is slow

I managed yesterday to hook my "LifeCam VX-800" to my Raspberry Pi. It works just fine, but it's very very slow. I tried adjusting that by decreasing the sleep duration in the code, but that didn't ...
0
votes
1answer
269 views

Error while trying to update Raspberry Pi

While trying to update the Raspberry Pi (for installing the camera!), I get the following error : . . Get:212 http://archive.raspberrypi.org/debian/ wheezy/main raspi-config all 20130525-1 [9,062 B] ...
4
votes
3answers
3k views

ir filter on the camera

I am wanting to know if there is an infrared filter on the Raspberry Pi camera. I am wanting to use the Raspberry Pi for infrared photography but some cameras have a filter that blocks out the ...
2
votes
4answers
2k views

What software library is avaliable for RPI camera module?

Where can I find software library to play with camera module? What is the quality of images? Is there any page that explains how camera module works? Does the image processing module use NEON?
2
votes
1answer
5k views

best ffmpeg settings for iSpy server

At the moment I have setup streaming via nginx rtmp-module wrapped in FLV h264. This works really great for integrating into a website. But now I want to actually record and do motion analysis and ...