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

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same problem, camera rpi not works ENOSPC

i have raspberry pi Type B and i am trying to attach camera into it, all i have done is upgrading dist and firmware sudo apt-get update sudo apt-get dist-upgrade sudo rpi-update all firmware is ...
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12 views

Exposure correction via Picamera module

I am using the python picamera module developed by Dave Hughes. As per the documentation, the camera exposure can be set between -25 to 25. In my application, I need to get brightest pixels from the ...
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13 views

Can I display video from a Canon PowerShot Pro 1 on a raspberry pi?

I am looking to make a photo booth using a Canon PowerShot Pro 1 and a Raspberry Pi. I am able to communicate with the camera over usb using gphoto2 for taking photos. I still havent figured out how ...
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1answer
24 views

camera module direct LAN output

please confirm me how can we get live video from the raspberry pi camera module over the LAN network for surveillance system application
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2answers
60 views

take images in a short time using the Raspberry Pi camera module

I'm working on a project in which I need to take about 30 images per second (no movie) using the Raspberry Pi camera module. I'm using the Picamera library ...
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30 views

picamera stream and web.py

How do I integrate picamera to return a stream in a GET method defined in web.py ? urls = ( '/webcam', 'CamHandler' ) I'm trying something like: class CamHandler(): def GET(self): ...
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35 views

I don't get 24 frames per second

Although the camera framerate has been set to 24, 24 frames are being captured at 3 seconds. Wondering where I am going wrong?? I need to convert the stream to an OpenCV object to do further image ...
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23 views

Fastest video capturing method

I have tried various variants to capture the frames using the python picamera module for raspberry pi. I switched to using the .h264 video format and extracting frames out of it for video processing ...
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20 views

Command to unfreeze a Raspberry Pi camera

I used the threading module(as per the Dave Hughes "picamera" documentation) to process the camera frames as threads, I did not put a stop criterion on it. How do I free the camera, since it is stuck ...
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56 views

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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1answer
46 views

Import composite/ntsc-signal

I already googled a lot and mostly read that importing composite Signal to the Raspberry is almost impossible. I would just take a webcam and proceed since it seems to be a lot easier. The problem ...
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54 views

Raspicam Web Streaming :) :O :(

I am currently working on a Rasperry Pi robot and I've been able to control my robot through an html web page..I just started playing around with the Raspicam and I want to add a video stream to my ...
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1answer
113 views

Picamera as streaming server

I am implementing a video streaming server with picamera (it is a requeriment), but i can't test it... I am executing this example for the server: import socket import time import picamera with ...
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0answers
30 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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2answers
106 views

Take picam image while motion is running

I am running motion on my raspberry pi using the V4L2 driver. While motion is running, I can't take a snapshot using raspistill. Is is possible to take a snapshot of the virtuel V4L2 device using ...
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1answer
52 views

Pygame + RPI-Camera Container

Currently I'm using this code, to display my pygame on 2.8" TFT with Touchscreen while keeping the HDMI-Port as main-output: import pygame, sys, os os.environ["SDL_VIDEODRIVER"] = "fbcon" ...
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1answer
47 views

Streaming from the camera only when required?

Although I don't know much about video encoding and such I know how to stream video from the camera board with vlc by piping the output of raspivid into cvlc. Despite the horrific lag, it works well. ...
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0answers
39 views

USB camera originally designed for PC hardware and kernel 2.x

I wonder if this is off-topic. Basically, I want to get some idea before spending expensive money on international mail order. The question is really getting comment on how compatible is Linux on ...
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2answers
66 views

Are there any alternatives to the Pi Camera?

What sort of support is there out in the wild for non-official cameras which are supported by or compatible with the Raspberry Pi, with or without use of the special interfaces?
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93 views

Raspberry Pi Camera… What's the big deal?

I remember when raspberry camera was announced everyone was very excited about this. The question is why? Couldn't you hook up regular cameras to pi? Or maybe use a cell phone camera? What interface ...
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2answers
157 views

Connection for 6 raspberry pi camera modules? [closed]

Any ideas, I want to configure 6 cameras for 360 degree view
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2answers
77 views

Shared Windows Folder

I'm doing this beginners project with a motion sensor and a pi camera. With this I'll make a security camera. Since the SD card is really large on memory (compared to a HDD) I want the pi to send all ...
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1answer
42 views

RaspiCam spot metering: where's the spot and how to move it?

I'm trying to use the Pi (NoIR) Camera to record a timelapse that needs to produce good results both during day and night. By default, I don't get a correctly exposed result under all conditions. I ...
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2answers
155 views

CCTV housing that fits the Raspberry PI [closed]

I'm looking for a CCTV housing that fits the Raspberry PI and the camera board in for under £10 (or very near to £10). It needs to be: waterproof / made waterproof with silicon sealant at least ...
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1answer
629 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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0answers
164 views

How to display video through Logitech Quickcam Express (V-UH9)

I am trying to setup my very old Logitech Quickcam Express (V-UH9) using motion. When I run motion, I see on the local ip address a grey box, with time and text being displayed (according to the ...
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1answer
196 views

Sample program for RaspiCam API not compiling

I have been trying to compile the sample RaspiCam program provided on their project page. When I try to compile the code using the following: g++ simpletest_raspicam.cpp -o simpletest_raspicam ...
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3answers
210 views

Pi Camera - how to create a flash?

I have a need to take photos with the Pi camera, but to illuminate the subject. The subject will be 1m or so away, but will be in total darkness most of the time. Therefore, I need a flash of some ...
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0answers
481 views

camera error mmal: Received unexpected camera control callback event, 0x4f525245

I try to take picture with my raspberry camera, I got this error mmal: Received unexpected camera control callback event, 0x4f525245 any idea???
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140 views

Options for slow camera via OpenCV

I'm desperately trying to use the Pi camera to do some work with it; I'm using OpenCV but trying to process the feed from the camera itself. Currently I'm running OpenCV on the Pi itself but this is ...
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0answers
237 views

RaspiCam use GPU to stream h.264 video over TCP

Is there a way to stream the 1080 30p video from the RaspiCam over TCP to use it as surveillance camera in common software? In my case I'm searching for the possibility to stream to my Xeoma server ...
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0answers
87 views

Captured image using RaspiCam got crop

I am working on a project using the Raspberry Pi model B and the Raspberry Pi CSI camera module (RaspiCam). The problem is, captured image area when im using raspicam_test which in the raspicam ...
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3answers
161 views

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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45 views

Raspberry PI camera module

This might seem like a strange question, but does anyone knows any reason for the camera driver not be implemented as a SoC camera driver? For those not familiar with it this is a framework that ...
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148 views

Raspberry Pi CSI camera (RaspiCam) stops working after several actions

I am working on a project using the Raspberry Pi model B and the Raspberry Pi CSI camera module (RaspiCam). I'm using the libraries OpenCV and dynamixel. Image tracking and the dynamixel action ...
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505 views

Stream video from RPI Cam to Android Phone

I'm working on a robot controlled by the Raspberry Pi. I would like to stream video, using the Raspberry Pi Camera, to an Android device (phone,tablet). I've followed the instructions written here ...
2
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1answer
258 views

How can you use face recognition on raspberry pi as a login to the pi?

I have created an owncloud server using RPI, Now I was wondering how to implement the face recognition as a login for the pi. I know I have to use the OpenCV.
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2answers
154 views

Edge Detection using usb webcam

Can I use sobel edge detection or canny algorithm to detect edges in my RPI. Can any give me any link to how to accomplish this and what the prerequisites are for doing this?
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3answers
101 views

Camera blinks but doesn't record

I am trying to start a stream on my Raspberry Pi Camera when I boot the Raspberry Pi. I have tried the following options: Using crontab @reboot /home/pi/video.sh & Using init.d Copied the ...
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1answer
198 views

How to merge port 80 and port 8080?

i would like to seek your opinion on this as I have little idea about the whole structure and not sure where to find more information. Currently I have this problem of having both Apache2 and ...
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0answers
65 views

Camera Full Preview stops display

Using raspistill -fp -o test.jpg causes my monitor (actually a tv) to receive no input (just get a blue screen) for the duration of the preview. This also happens using the python picamera module with ...
5
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1answer
296 views

Autostart videostream without logging in

I am trying to auto-start a script, that starts a video stream via vlc on a raspberry pi with raspi camera. This is the code that starts the stream: raspivid -o - -t 0 -hf -w 640 -h 360 -fps 25 | ...
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241 views

Use OpenCV with Raspberry Pi camera board?

Can someone point me to a tutorial about how to integrate open-CV and the Raspberry Pi camera board? I've tried many guides, but none have worked. Thanks in advance
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2answers
34 views

Is it possible to set the desired DPI of an image created using raspistill?

I realize that the amount of information taken by raspistill is the same regardless of the DPI of the output, but nonetheless - is it possible to set this on the command line? If not, what utility ...
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0answers
71 views

How to trigger and capture HD video from DSLR

I am looking to do the following and am wondering what approach to use: Trigger a DSLR into taking a 1080p video for a specified duration or start/stop Remove the video file from the DSLR onto the ...
3
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1answer
188 views

Camera problems: green tint and long delays after snapshot

Having a few problems with the standard camera board. Images are heavily green-tinted: sample Anytime I try to use the raspistill -fp option, it takes about 20 seconds after the snapshot is taken ...
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0answers
185 views

Raspi Cam streaming stop working after restart

When I'm using the raspberry pi camera for surveillance I'm streaming a video using vlc. It works fine most of the time, but sometimes when I restart the stream or the raspberry for some reason, it ...
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0answers
189 views

Error-messages when starting stream via vlc

When I attempt to start a videostream with vlc on may raspberry there are several error-messages and the stream wont start. The following are the errors: [0x2533d8] inhibit interface error: Failed to ...
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54 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 ...
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2answers
182 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 ...