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

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2
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1answer
17 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 ...
1
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0answers
23 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 ...
0
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0answers
34 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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0answers
64 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 ...
1
vote
1answer
42 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.
2
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2answers
48 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?
1
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3answers
57 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 ...
1
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1answer
69 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 ...
0
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0answers
31 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
votes
1answer
81 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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0answers
95 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
0
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2answers
28 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
40 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
votes
1answer
76 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 ...
0
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0answers
124 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 ...
0
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0answers
105 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 ...
1
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0answers
40 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 ...
1
vote
2answers
76 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 ...
0
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0answers
42 views

Camera streaming with cvlc: piping problem when executing from bash?

I'm using the following command in SSH to stream video from my Raspberry Pi. raspivid -o - -w 800 -h 450 -b 500000 -t 0 | cvlc -vvv stream:///dev/stdin --sout ...
3
votes
2answers
513 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 ...
2
votes
2answers
553 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 ...
3
votes
2answers
345 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 ...
1
vote
1answer
181 views

Relative benefits of standard vs NoIR module cameras for Rasperry 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 ...
0
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0answers
46 views

Raspberry pi with Logitech Cam freezes after few hours, how to automatically restart/recover from it to keep it running?

So This is my setup: Pi + Logitech Cam connected to a powered usb hub , which connects to the pi + ethernet. So I am running a cronjob every minute to upload an image to a server. It seems like the ...
0
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0answers
248 views

Raspberry Pi High Speed Camera

Forget the normal raspberry pi camera. Wait, Forget really nice cameras. Is it possible to make a high speed camera with the raspberry pi for a cheaper cost than a regular one would be?
1
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2answers
72 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
votes
1answer
483 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 ...
0
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1answer
2k 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 ...
0
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0answers
125 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 ...
0
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0answers
192 views

Using picam with OpenCV / SimpleCV error

So I have set up my raspberry pi camera module to be used with opencv. I know it is working as for some scripts it works fine. (I followed the tutorial to get it to work with opencv etc) However, ...
1
vote
1answer
392 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 ...
1
vote
1answer
271 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 ...
1
vote
2answers
490 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 ...
1
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1answer
207 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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1answer
172 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
vote
2answers
437 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 ...
0
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4answers
158 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 ...
0
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2answers
2k 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 ...
0
votes
3answers
2k 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 ...
0
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1answer
132 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
452 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 ...
3
votes
2answers
583 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 ...
4
votes
3answers
7k 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 ...
4
votes
2answers
956 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 ...
1
vote
0answers
121 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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0answers
71 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
vote
1answer
572 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 ...
6
votes
1answer
661 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 ...
4
votes
2answers
1k 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
1k 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 ...