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

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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
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1answer
64 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. ...
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1answer
36 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 ...
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1answer
63 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 ...
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0answers
49 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 ...
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1answer
49 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 ~ ...
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1answer
39 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
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0answers
67 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 ...
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1answer
124 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 ...
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4answers
189 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 ...
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2answers
48 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
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1answer
425 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 ...
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2answers
233 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 ...
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2answers
183 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 ...
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0answers
84 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 ...
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1answer
52 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 ...
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2answers
84 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) ...
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1answer
32 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 ...
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1answer
48 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 ...
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0answers
213 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 ...
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0answers
41 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: ...
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2answers
205 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 ...
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2answers
268 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 ...
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0answers
122 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 ...
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1answer
106 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: ...
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0answers
115 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 ...
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3answers
988 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 ...
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1answer
88 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 ...
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1answer
121 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 ...
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1answer
319 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 ...
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2answers
426 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.
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122 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 ...
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1answer
105 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 ...
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1answer
25 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 ...
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3answers
160 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 ...
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1answer
292 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 ...
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1answer
110 views

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 ...
0
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1answer
260 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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1answer
53 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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2answers
1k 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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0answers
119 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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1answer
238 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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0answers
61 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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0answers
33 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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1answer
302 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 ...
1
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1answer
136 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 ...
2
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1answer
222 views

Raspicam Web Streaming

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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3answers
337 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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1answer
90 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 ...
2
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2answers
343 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 ...