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

learn more… | top users | synonyms

0
votes
0answers
8 views

gesture recognition/finger-tip detection using opencv

I'm super new to image processing. Real time image processing. And I need help how to start with my project. I'll be making a finger-tip detection project or gesture recognition for both hands and ...
1
vote
1answer
13 views

Display raspicamera on PiTFT screen

There is tutorial like texys-2-8-inch-touchscreen-with-raspicamcorder-step-1 that use a tool that copy framebuffer rpi-fbcp. After installation of notro firmware and loading PiTFT module : sudo ...
0
votes
1answer
16 views

How to stream raspivid to Linux and OSX using GStreamer, VLC or Netcat?

How can I stream video stream to Linux or OS X using raspivid and either VLC, GStreamer or Netcat?
0
votes
0answers
18 views

RaspberryPi Quadcopter WiFi [on hold]

Hi to everybody! I would build a RaspberryPi (model A+ work fine?)-Quadcopter (yes I know, there are many post for this argument, but I want more safe) and these are that it should do: Received a ...
0
votes
1answer
18 views

Is there a way to display images from raspistill on a webpage without saving them on the file system first?

I'm working on a web page that I would like to be able to constantly display images taken by the raspberry pi camera (about one per second) in real time. my problem is I don't want to save, read, then ...
1
vote
1answer
28 views

raspivid - h264 video doesnt have any duration data when playing footage

I have a rasp pi B+ model with the camera module installed. When I use the following basic cmd raspivid -o v.h264 -t 10000 If I export v.h264 to my windows machine and play it back with VLC, I see ...
1
vote
1answer
22 views

Broken pipe when SSH using Mac OS X

From my mac I SSH into my raspberry pi to run a python script to take videos of 30min. I have eight raspberry pi's that are formatted in exactly the same way. All works fine only that every 1 in 2 ...
1
vote
2answers
77 views

Can I record a 24 hour video on the Raspberry Pi with camera module?

Given that I have an SD card with sufficient capacity, is it theoretically possible to record a 24 hour video with a camera module or is the recording duration limited? Has anyone tried this? Do you ...
1
vote
0answers
33 views

Running two camera at the same time (Pi Camera & USB camera)

I would like for my project to have one camera (PiCamera) Streaming video. And another USB Camera (PS3 Camera) taking pictures when I execute this function: def grabPicture(self): grab_cam = ...
1
vote
0answers
103 views

Modern way to stream H.264 from the Raspberry Cam

I got the Pi B+ and the Pi camera and am now trying to find the most efficient (low CPU) and lowest-latency configuration to stream H.264 encoded video from the camera to my home server. I've read ...
1
vote
0answers
23 views

Use laptop iSight with Python and openCV [closed]

Can I connect my pi to my MacBook and then use the camera on it as a webcam for openCV? I need to trick the pi into thinking the MacBook is a USB webcam, so that the pi can pull a video feed from its ...
1
vote
1answer
22 views

Can the Exposure or Brightness of a Pi-cam be adjusted without interrupting a running process

If I have a running process using the camera (recording, streaming, motion detection or whatever), is it possible to adjust the brightens from a 2nd SSH session or from a different deamon process ...
1
vote
1answer
29 views

Failed to run camera app. Please check for firmware updates

Trying to get the pi cam working with open cv per http://thinkrpi.wordpress.com/2013/05/22/opencvpi-cam-step-5-basic-use-display-a-picture/. Finally have the program built, but now I get this: ...
0
votes
1answer
55 views

Motion-Mmal: I want to disable live stream capabilities

I have a few questions about Motion-MMAL: Sorry if these are noob questions. 1) I want to disable the live stream capability completely; however, i can only find information on how to keep the live ...
0
votes
0answers
9 views

Camera module: Time lapse with live stream [duplicate]

I'd like to live stream a cooking class in college (so it's available for students to view live in a web-browser in classrooms around the college) whilst also automatically saving/capturing one image ...
3
votes
1answer
95 views

My Pi noIR camera with additional IR led lighting gives me totally black picture

During daylight the no ir camera is working correctly. But i wish to take photo during the night o very low light I add a IR led lighting (850 mn) and suposedly strong enough but I get a black photo. ...
1
vote
1answer
69 views

Lowest latency - video from CSI to screen

A project I'm working on requires unmodified 1080p video to be taken from the CSI interface and sent to a screen (over HDMI) as quickly as possible. I don't currently have a CSI-compatible camera to ...
0
votes
1answer
103 views

Weak performance during motion detection with picamera and python script

To dig into the picamera python api i just started a simple motion detection script. It runs in the videomode with 2 frames/second and a resolution of 320x240. Frames are captured with the ...
0
votes
0answers
57 views

Suitable camera for RPi carputer

I'm trying to build a carputer using a Raspberry Pi (B+ model) and need help deciding on a camera to help me run computer vision algorithms. A normal webcam works fine; however I would like to install ...
0
votes
1answer
73 views

Write full frame images or video at 5fps

I would like to use the raspberry pi camera to record a certain object with 5 or 6 fps. The object is about 60cm wide, therefore to take full frame images the RPi camera has to be at a distance of ~ ...
1
vote
1answer
89 views

Stereo vision with raspberry

Is there a stereo camera module that would work with raspberry? Did anyone try to do synced video with raspberry in some way? Any help would be appreciated Thanks
0
votes
0answers
86 views

Raspberry Pi to stream a composite video signal over the internet?

I wonder if anyone has any ideas on how to go about this. I have a cheap camera used for monitoring, which has a composite video connection as output. I am wondering how easy it would be to take this ...
1
vote
1answer
224 views

Raspicam C++ API mmal linking

I have installed the raspicam API as instructed here: http://www.uco.es/investiga/grupos/ava/node/40 It appears to be installed correctly. When I compile any programs linking libmmal I get the ...
2
votes
4answers
316 views

How to control multiple raspberry pi's at once over ethernet?

My mac is connected to four raspberry pi's using a desktop switch. My mac has ip 192.168.1.90 and my RPi's 192.168.1.11, 192.168.1.12, 192.168.1.13, 192.168.1.14. I can control them via ssh using the ...
2
votes
2answers
69 views

How can I save images of the RPi camer on network drive?

I would like my RPi to take a sequence of images and store them on my mac directly. My mac and RPi are connected via ethernet cable and I can ssh into my RPi via ssh pi@192.168.1.20. I installed the ...
2
votes
1answer
1k views

Getting image data from raspberry pi camera module in OpenCV with Python

I am working on a project where I need to use opencv to get image data in python from the pi camera module. I have seen the tutorials on how to do this with C++ but not too much in python. I did find ...
2
votes
2answers
533 views

Picamera taking pictures fast and processing them

I'm working on a school project where I have to make a robot move parallel to a wall and stop when it sees a big red square. For this I have the picamera module and the openCV library. I have working ...
1
vote
2answers
377 views

Best way to stream video over internet with RPi?

I'm wondering what is the best way that I can stream video from the camera module over the internet. By "best" I mean lowest latency (can't suffer a second delay for example, this is a real-time ...
0
votes
0answers
140 views

Facial Recognition on Raspberry Pi using GoPro

I was wondering if someone can tell me how to process a live video feed on the Pi (B) using a GoPro camera? I understand that there may be processing constraints. Then, I would like to do image ...
1
vote
1answer
72 views

Turning LED light on with Pi

I am looking to build a home security camera with a LED light attachment. Many people mention they use a IR Illuminator for the light source which often seem to be DC 12V. I am not sure how one would ...
1
vote
2answers
118 views

Compiling WiringPi (GPIO input) into raspistill/raspivid

I want to synchronize a stereo camera for either stills or video. The goal is the smallest possible delay between GPIO trigger input and camera shutter actuation (so that stereo is possibly in sync) ...
1
vote
1answer
38 views

Activate RPI-cam with rfid signal

Can anyone give me some advice on the next. Is it possible to activate the RPI-cam with a signal from a rfid reader? Here's the practical enviroment. I am a pigeon fancier and my pigeons are ...
0
votes
1answer
50 views

Does anybody else experience micro-freezes with the Raspberry over wifi?

whenever I connect my Raspberry Pi over wifi to the LAN, I sometimes get micro-freezes when streaming video from the Raspberry or when I connect over ssh. It seems kinda periodic. The freeze/lag has a ...
1
vote
0answers
307 views

Fast image array processing with Pi NoIR camera in Python using picamera module

I'm working on a project with a RasPi in which I have to find a bright spot in an image (the bright spot is fire). I've written a function (code below) which captures images to RGB arrays using the ...
1
vote
0answers
50 views

Raspicam API cannot compile programs

I have installed the raspicam api as per the instructions. There were no errors. Now when I try to compile the example programs or any of my own programs using the API, I get the compile error: ...
1
vote
2answers
377 views

Using the camera with uv4l

After installing uv4l as instructed here : http://www.linux-projects.org/modules/sections/index.php?op=viewarticle&artid=14 I managed to get pictures using dd as the same page suggests : dd ...
2
votes
2answers
510 views

Raspistill slow to trigger?

I'm trying to trigger "many" raspberries together, while using raspistill is only for testing, i'm wondering why taking a picture is so slow, i made a test and, at the same time as i hit enter on this ...
0
votes
0answers
204 views

Raspberry Pi B+ direct interface with usb camera

I would like to know if it is possible to connect usb cameras directly with RPi B+...?? While working with RPi Model B, I had to use a powered USB hub to interface with my i-ball camera, but with 4 ...
0
votes
1answer
144 views

Motion - grey screen with camera module

I set up motion and the UV4L drivers for the raspberry pi camera module, but when I try to start motion with sudo motion, and connect with VLC I only get a grey screen. This is what the terminal says: ...
1
vote
0answers
176 views

Problem recording video with audio from usb soundcard using avconv

What I'm trying to accomplish in this program is that when video and sound is captured, the output file is .mp4 extension (or some other, like .ogv), with video and sound. I know how to capture video ...
5
votes
3answers
5k views

How to stream video from raspberry Pi camera and watch it live

I am new to the Raspberry Pi and even new to the Raspberry Pi camera. I have seen a lot of tutorials online for the Raspberry Pi camera but have yet to find on that lets me stream straight from the ...
0
votes
1answer
106 views

RaspberryPi camera rev 1.3 cross section

I want to modify the RaspberryPi camera rev 1.3 by cutting out the camera chip. Is there some documentation availiable for example a detailed cross section picture? So I know where to exactly cut ...
1
vote
1answer
179 views

Custom White Balancing with picamera

I need a method to set the White Balance of the raspberry pi camera by "teaching it". Such as it is in DSLR cameras, I'd like to show a white picture to the camera and say "OK, this is white, now ...
1
vote
1answer
468 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 ...
1
vote
2answers
859 views

Connecting two cameras into a PI

Is it possible? One connects to the CSI port and the other one to the GPIO ports and use the i2c interface to extract the data.
1
vote
0answers
150 views

Raspberry Pi Camera Module As A Streaming Webcam Commands

mmal: Skipping frame 2 to restart at frame 5 mmal: Skipping frame 6 to restart at frame 10 mmal: Skipping frame 11 to restart at frame 16 mmal: Skipping frame 17 to restart at frame 22 mmal: Skipping ...
1
vote
1answer
129 views

How can I connect RPi camera to desktop computer?

Basically USB cameras are too rubbish for what I'm trying to do, and I'm trying to develop for the RPi but the RPi is just too underpowered to develop image processing stuff on. Is there any way I ...
0
votes
1answer
29 views

How do i save pic to the same png rather than creating a new png each time a pic is taken

i have a question, How do i save pic to the same png rather than creating a new png each time a pic is taken this is the command that execute the pic: *cd ~ mkdir picture cd picture screen ...
0
votes
3answers
195 views

Raspberry Pi Camera Module, Time Lapse Photography

I have created a Raspberry Pi time lapse photography by following the steps in this website: http://computers.tutsplus.com/tutorials/creating-time-lapse-photography-with-a-raspberry-pi--cms-20794 ...
1
vote
1answer
356 views

How to stream high res pics from RPi camera?

Currently working on a project that requires the highest resolution images from the RPi's camera (2592x1944) to be sent over LAN to PC image processing server. I've been digging and with some help ...