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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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votes
4answers
4k 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
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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
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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
870 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
794 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
9k 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
932 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
877 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
7k 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 ...
1
vote
1answer
122 views

Camera board and reflective strip

Trying to use the Raspberry Pi camera board to capture an image when it "sees" a reflective strip. Is this possible? How could I go about doing this?
4
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2answers
3k views

Setting up an IP Camera on raspberry pi

I'd like to setup my raspberry pi to work as an IP Camera. Can you please point me to guides on how to do that - I am unable to find resources in particular for the two-way audio part of it. I am ...
3
votes
1answer
2k views

Raspberry Pi camera module manual gain control

Is there a way to set the Raspberry Pi camera module to manual gain control? I've looked in the option of raspivid and there seems to be nothing.
6
votes
1answer
10k views

How can I send a constant stream of the camera module to the screen?

Right now if I type: raspistill -t 60000 I can see the image on screen for 60 seconds, but I just want to show what the camera sees at all times. I am connected via HDMI.
6
votes
2answers
5k views

Camera Module Turn LED Off

I've made the disable_camera_led=1 change to the sudo nano /boot/config.txt and rebooted my Pi. The issue is the LED has stayed on? How do I turn it off?
1
vote
2answers
280 views

Is it possible to install update for raspbian onto and SD card via my Mac and install it on the rpi later

Apparently I have Model A and cannot connect to internet (at the moment, without additional part). Specifically I am trying to install the update that allows the RPI camera module to work. Is it ...
50
votes
8answers
192k views

How can I stream H.264 video from the Raspberry Pi camera module via a web server?

So I got the Raspberry Camera today and got stills working fine. Capture an image in JPEG format: raspistill -o image.jpg Capture a 5-second video in H.264 format: raspivid -o video.h264 I do not ...
1
vote
5answers
791 views

Advice on RPi taking high res pictures at timed intervals

I'm working on a project with my Raspberry Pi at the moment. I'll give a brief summary of what I'm trying to achieve. I would like my RPi to take high resolution pictures through a USB webcam at ...
6
votes
1answer
3k views

What method should I use to track a moving object with a moving camera (using resources of RaspberryPi)

I'm playing around with motion detection through a webcam connected to RaspberryPi using OpenCV and cvBlob in C++. I want to kick it up a notch and make a robot that detects and tracks movement ...
0
votes
1answer
682 views

Photometer / Colormeter

I am wondering if there is a photometer/colormeter sensor that would be easily plugged into a raspberry pi. I am looking at driving my Philips HUE from the exterior light color, to brighten my ...
7
votes
5answers
22k views

Webcam disconnects after a few hours of running motion

I've been working on getting a Raspberry Pi webcam set up, thanks to a how-to post on PingBin. However, I cannot get past a problem where the camera becomes lost after a few hours of taking snapshots. ...
0
votes
4answers
5k views

What do I need to setup in order to push a video stream to the web

I'm interested in using a Raspberry Pi and some webcam to stream video to the web. First, I would need to know how to setup the webcam. Second I would like to know if it is possible to push a ...
7
votes
2answers
20k views

How do I make my Raspberry Pi act as a wireless USB controller?

I am trying to control my Canon 550D with the EOS Utility (on my Mac). In theory, this is what I am looking for: The RPi plugs into the 550D and is connected to a LAN. My Mac is on the same LAN, and ...
13
votes
6answers
32k views

Streaming H264 with Logitech C920

I have a logitech C920 webcam. It has the ability to directly encode the video in H264. I want to reproduce what was done with a Beaglebone, but using a Raspberry Pi: send a H264 stream to the ...
15
votes
3answers
28k views

Enabling high resolution capture from web camera

I'm experimenting with using the Pi for web cam streaming and motion detection, with the motion app. Trying a few different web cameras and combinations with other hardware, I've found one combination ...
28
votes
2answers
4k views

Can I use a USB webcam?

Is it possible to use a standard USB webcam with the RPi, or is there a specific peripheral that should be used? I would like to use RPi's to stream images from webcams to the net.
13
votes
1answer
4k views

Can the video acceleration on the Raspberry Pi be used for video compression for surveillance and recording?

I was wondering about installing the Raspberry Pi as a video recording device and connecting a USB camera to it. Of course, I'd rather compress it using something like MPEG. Does the hardware support ...
32
votes
4answers
38k views

What cameras can I connect to the CSI connector?

The model B comes with a MIPI Camera Serial Interface connector, but it's hard to find a store that'll sell you a chip or camera to interface with it. The only thing I've found so far is the the ...