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

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1answer
14 views

iSight Camera A1023

I just acquired a used / old iSight camera A1023 it uses a firewire 400 port. I was wondering if there was a way to connect this to the raspberry pi so I can take pictures with it.
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1answer
18 views

Using digital microphone with my pi

I wanted to ask, can I connect a digital microphone to my pi somehow, so that the input will be digital and then to use the data and convert it to an audio file? If so, what should I get and how do I ...
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1answer
12 views

Kiosk with camera Internet calls

Is there a software pacakge for Pi, which allows to call over Internet with Camera and TV ? Must be super simple for very dummy user. Plus is, when there is possibility to extend the functionality to ...
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1answer
31 views

V4l2 video streaming on Arch with RPi2

I'm running an intentionally minimal Arch OS on my RPi2 (installed via ArchLinuxARM-rpi-2-latest.tar.gz dated 2015-08-14), and I'm trying to have it stream video from the camera. I followed the camera ...
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1answer
28 views

Why does PiCamera take so long to capture?

I'd like to capture an image at a specified shutter speed and ISO, and write it to disk. I thought that'd be pretty straightforward but... apparently not? In searching, I found people complaining ...
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0answers
10 views

raw bayer data from Picamera

Could one take raw bayer data from picamera? The picamera documentation says that you can take it by setting capture(filename, 'raw'). But it doesn't seem to work. When I used such code, my picamera ...
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0answers
13 views

Y value of image obtained using Picamera Python documentation fluctuates wildly

I have been working with picamera python analysis class a bit lately. What I am using is here to get a YUV array, and then perform some simple analysis on it. When I try to isolate the Y page of the ...
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0answers
17 views

Bottom of Video Image Flickering With UV4L

I'm using UV4L to stream video from an RPi camera to web pages. I get a flickering of the bottom few 'scan' lines. It's like every few frames are just short. This is not the usual coloured banding ...
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0answers
39 views

Several USB camera does not work, but Raspberry camera does

I bought a Raspberry Pi camera (https://www.raspberrypi.org/products/camera-module/) and it works great. My problem is that there's no way to build a good-looking device with that camera. I've seen ...
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0answers
35 views

Make a RTSP streaming using a usb camera

It's been 3 days that I'm burning my brains cells in order to make a RTSP live steam from my rasb B+ using a USB camera (The PS3 eye camera) I was able to have a mjpeg stream using "motion" package ...
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0answers
26 views

Python, Pi Camera and Keyboard input

I'm pretty new to Python and raspberry Pi, having mostly a background in shell scripting. My goal is to have have a Pi set up, with the preview continuously running, waiting for a user to press ...
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0answers
29 views

How do I capture images from a Point Grey Camera?

I want to capture images from a Point Grey Chameleon camera through OpenCV with the python language. I know from the following links that this is definitely possible to do. ...
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1answer
21 views

camera.resolution issue using the picamera module!

I try to run the picamera code as in the documentation here : HOwever, when I run my code and get the dimensions of my array, the array I get has the x and y axes swapped! I have no idea why. This ...
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1answer
27 views

What is the relationship between camera.analog_gain and camera.digital_gain?

From this and this I know that there is no way of setting camera.analog_gain and camera.digital_gain between subsequent runs of a script. However, I'm still faced with the problem that I need ...
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0answers
41 views

Can someone help me with my raspberry pi security camera? [closed]

I am stuck on step #8. I do not know what defines server name, shared folder name, shared folder username, shared folder password. (On a Mac) I have gone to system preferences -> sharing -> ...
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1answer
42 views

A suitable OS for running a Java application which captures photos and prints them [closed]

I have developed a Java application, which captures photos from a webcam and detects faces (using OpenCV) and prints only the facial area on paper. Now I have to run this app on a Raspberry Pi. I need ...
2
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1answer
49 views

Modified RPi.GPIO package causes “'module' object has no attribute 'RPI_REVISION'” in camera.py?

My picamera was working fine this morning. i.e the following code was working fine import time import picamera frames="/home/pi/Desktop/picamTEST.raw" camera=picamera.PiCamera() camera.resolution = ...
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1answer
42 views

How to send data back and forth between the Pi and a C# application on a Windows PC

I want to connect the Raspberry Pi to a few sensors and motors and then control it via a C# application I have written. After it has carried out the operation I want the Pi to send back data from the ...
3
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1answer
34 views

Raspistill parameters for shaky camera

When using raspistill in -ex auto mode, I noticed that the timeout (-t) parameter defines the maximum exposure time; for instance, when setting it to 1000, it rarely sets an exposure time of 1 second, ...
2
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1answer
73 views

Multiple camera processes running at the same time

Is it possible to get two camera instances running at the same time - one is for capturing live feed to stream across network, the other one records video when motion is detected (PRI sensor is used)? ...
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0answers
42 views

pure python mjpeg streaming?

I tried the mjpegStreamServer from here but it doesn't seems to work... First of all, most times, after run it throws errors: — Exception in thread Thread-1: Traceback (most recent call last): File ...
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0answers
25 views

Motion “ignoring” AWB and AWBG settings on mmalcam_control_params

My setup is running fine, the webservice, stream, everything, except that the white balance on camera was really weird, so I did few tests on raspivid and using -awb off -awbg 1.75,1.75 fixed it. ...
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1answer
45 views

How can I trigger Pi Camera to take time lapse photos every day at sunrise? [closed]

I'm interested in capturing a time lapse photo sequence every morning at sunrise. I'm able to get the exact sunrise time using a Python script into a variable, but not sure how to go about setting ...
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2answers
149 views

How to manually start uv4l MJPEG stream for embedding in a web page?

I recently found out about the new Raspberry Pi camera driver - uv4l I only have a b+ model, so unfortunately I can't use the WebRTC streaming. I am okay with using the MJPEG, uv4l has a great ...
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0answers
155 views

Raspicam C++ library — captured image requires several grab()s to be properly bright

Note that I am referring to the C++ library, raspicam (http://www.uco.es/investiga/grupos/ava/node/40), not the raspberry pi camera in general. Unfortunately, I don't have the reputation to make a ...
2
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1answer
118 views

Outdoor Pi Security Camera

I'm hoping to make an outdoor Pi security camera. I don't want to run any wires so I'm hoping to get a Wifi connection along with solar power. I've been looking into the PiJuice solar as an option ...
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0answers
37 views

picamera's analog/digital gain adjustment for fixed object

Could anyone please let me know if the picamera adjust its analog gain and digital gain differently at each time for fixed and stable object? The picamera documentation says that if you want to ...
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0answers
20 views

picamera's implicit analog/digital gain adjustment under fixed ISO value

What I have understood so far about the picamera is that you can't control the analog gain and digital gain explicitly. But it is possible to fix them as one of some possible values by setting ISO ...
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1answer
40 views

Could picamera capture images without adjustment?

I'm performing measurements using the picamera to test its sensor ov5647. But whenever I took images, it seemed there were adjustments. Gain, white balance and etc. Could I turn off all the adjustment ...
2
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3answers
192 views

Is it possible to trigger 10 (or 100) Raspberries to take photos at the same time using WiFi?

Can a system consisting of 10x Raspberry Pi's, 10x RPi Camera Modules + WiFi dongles be reliably & consistently synchronized over WiFi to take photos at the same time? Or are radio triggers a ...
1
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1answer
26 views

Save picture/video to Windows 7 file

Hi I use raspberry pi from my Windows 7 PC via SSH (putty). What is the easiest way to save file from Raspberry pi to Windows. For example I have program which take photo and I want to this photo ...
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0answers
5 views

Streaming from the pi camera to a website [duplicate]

Hi so I would like to stream video from my raspi to a streaming service like twitch. I have setup my pi using this answer, but that only lets me stream inside my local network. I do have another ...
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0answers
90 views

Fast capture and 2D image stacking as 3D numpy array with Python and Raspberry Pi

I'm working on a Raspberry Pi project in which I need to take about 30 images per second (no movie) and stack each 2D image to a 3D array using numpy array, without saving each 2D capture as a file ...
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2answers
93 views

New Project: Video intercom using two Pi's/cameras (with separate audio)

My brother presented me with a challenge: he's building a mobile bar on a lrage truck for the crazy festival known as Burning Man. He'd like a retro-styled video intercom system. I have some ...
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2answers
98 views

Pi camera synchronization

Is it possible to synchronize multiple Pi cameras by synchronizing all their main Pi clocks to a single NTP server, and then commanding them to start taking frames at the same time? (using some ...
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1answer
113 views

Convert the frame data from recording into a numpy array

I'm trying to take a recording with picamera and have all the resultant frames in an rgb numpy array. To this end I've found the piRGBAnalysis class, but I'm a bit confused about how to use it. ...
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0answers
66 views

Can we use usb webcam with picamera?

Is it possible to use a usb webcam instead of raspberry pi camera module for picamera? If yes how?
2
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1answer
397 views

Camera, Ubuntu, modprobe bcm2835-v4l2 ERROR: could not insert 'bcm2835_v4l2': Operation not permitted

I have added a camera to the raspberry but I get the following when trying to load the driver: root@deadlock-desktop:~# modprobe bcm2835-v4l2 modprobe: ERROR: could not insert 'bcm2835_v4l2': ...
0
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1answer
73 views

Access my camera from the outside

I have a Raspberry 2 with its camera module. I have it installed and it works pretty fine in my local network. When I execute : raspivid -o - -t 0 -n -w 600 -h 400 -fps 20 | cvlc -vvv ...
2
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1answer
97 views

Pi 2 usb camera stream hosted by third party

I have a Pi2 running Raspbian and I have a USB camera attached to it (I have checked, the camera is compatible and powering is OK). I am trying to achieve the following: I want to be able to remotely ...
2
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2answers
81 views

Power and Internet over a 15m distance

I'm planning to put my pi in a bird box at the end of the garden. The distance is 15m away from the nearest power source and the router. What is the best way of getting power and Internet to it? ...
0
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1answer
61 views

Low light condition video

I need to take a video under low light conditions using a NoIR Pi camera, so I followed the suggestions given in this post. But I still get completely black frames. I have attached the code here. # ...
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0answers
61 views

How can i connect Note 4 camera module (16M OIS) to Raspberry Pi?

RPi camera directly connects to the camera port, and easy to get it running. However, the Samsung Galaxy Note 4 camera module has a very small port (which is probably slim-stack), and i am also not ...
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2answers
191 views

How to diagnose problem with OpenCV face tracking

I am attemping to create the pan-tilt face tracker, using Raspberry Pi 2 Raspian Regular Raspberry Pi Camera from an article on the Pimoroni site, and when I run the python code I get about 20 ...
3
votes
1answer
130 views

How to increase the camera exposure time?

I am taking pictures in very dark environment, and I would like to obtain a brighter image. How do I increase the exposure time? I've tried the following: different exposure mode, like night, ...
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0answers
85 views

Multiple webcams - cannot open in openCV & corrupted image

I've connected four USB webcams via well powered USB hub to RasPi2. I want to use them in openCV. So I setup a simple program, where I opened the cameras using cvCaptureFromCAM, captured a cv::Mat and ...
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1answer
68 views

What to buy to build a simple robot with Raspberry Pi? [closed]

My name is Faiz and I live in Pakistan. Here, there is no ebay or amazon so I cannot order things from there. Now tomorrow I am going to shopping out of city and I need some help from the community. ...
0
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1answer
91 views

Off logic with Pi and Picamera using GPIO

Just trying to customize some Picamera functionality though this is my first time coding in Python. Basically I am using the GPIO with a button switch to essentially turn just the preview on and off. ...
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0answers
27 views

Directing output of Pi camera to composite video/audio port

I am trying to set up a simple CCTV system using Raspberry Pi cameras. For this, I need the output of each camera (i.e., the video recorded) to be sent through the composite video/audio port (of the ...
0
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1answer
29 views

Connecting Pi Video composite to a multicamera-system?

I have connected Pi to a Zmodo multichannel camera system using a cable from Pi's video composite port to Zmodo Video in. I changed the display settings of the Pi to PAL output taking help from this ...