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

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-1
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1answer
12 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 pie to send back data from the ...
2
votes
0answers
9 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, ...
0
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0answers
15 views

How to compile OpenCV 3 sample C++ programs? [on hold]

How can I compile OpenCV 3 C++ samples? In OpenCV 2.4.8, there is a build_all.sh file but OpenCV 3 doesn't have one.
0
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0answers
17 views

OpenCV camera calibration is lagging on RPi2 with IR camera

I have a system running Arch Linux ARM with opencv-2.4.10-3. The Raspberry Pi 2 is connected to a Raspberry Pi Noir Camera. When i run the calibration the camera is lagging with what looks like 15-20s ...
2
votes
1answer
46 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)? ...
0
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0answers
17 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 ...
0
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0answers
14 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. ...
0
votes
1answer
36 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 ...
0
votes
2answers
89 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 ...
1
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0answers
80 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
votes
1answer
67 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 ...
1
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0answers
18 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 ...
0
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0answers
11 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 ...
0
votes
1answer
32 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
votes
3answers
167 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
vote
1answer
22 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 ...
0
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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 ...
0
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0answers
57 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 ...
1
vote
2answers
73 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 ...
1
vote
2answers
81 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 ...
1
vote
1answer
58 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. ...
1
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0answers
48 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?
1
vote
1answer
203 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
votes
1answer
62 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
votes
1answer
77 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
votes
2answers
75 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
votes
1answer
40 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. # ...
1
vote
0answers
50 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 ...
1
vote
2answers
152 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
112 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, ...
1
vote
0answers
66 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 ...
0
votes
1answer
56 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
votes
1answer
79 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. ...
0
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0answers
23 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
votes
1answer
28 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 ...
1
vote
1answer
78 views

Access exposure control in USB webcam

I am trying to control exposure value for USB webcam connected to raspberry pi. Exposure is not listed in --list-controls for my camera, however exposure control was previously done for windows ...
0
votes
1answer
43 views

Add delay to video stream?

I am working on an art project where I need to use the raspberry to display its camera feed but with a five second delay, I have seen some thoughts on this using the SHELL but as I have been using a ...
0
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0answers
50 views

How do I set NTP time on my PiCamera/camera.py video feed?

I want to synchronize multiple RPIs to a single clock. For this I use a computer as the ntp server for all of them. All the RPIs now have the same time(server time). After synchronizing I want record ...
0
votes
1answer
122 views

Capturing Video in Low light?

I want to capture in low-light and have NoIR picamera. I change the exposure_mode to off and set shutter_speed and iso. import picamera with picamera.PiCamera() as camera: camera.resolution ...
0
votes
1answer
69 views

Focus of Raspberry Camera is too close

I'm using the 5mp Cam on my rev. b rPi and I'm having trouble with the focus length. The usual problem is that the focus isn't close enough, my problem is that the focus is too short. I'm using it as ...
0
votes
2answers
56 views

Picamera Module not imported?

I am using RPiCam_Webinterface for testing my camera. While Rpicam_Webinterface is working I can't use my camera to do anything else from commandline(like raspivid or raspistill). So to use raspistill ...
0
votes
1answer
115 views

Pi-Camera Stream not visible on TightVNC viewer's window?

I remote login into my Pi using TightVNC Viewer. Now I can see Pi GUI. But when I do raspistill -o 0.jpg I can't see the display of the picamera on my TightVNC Viewer's window? What I want is that ...
0
votes
1answer
89 views

Broadcasting Raspberry Pi Camera Over Hotel Wireless Internet [closed]

I am interested in configuring my Raspberry Pi to be able to stream video from the standard Raspberry Pi camera to a website. However, I am on travel with my Raspberry Pi and will be limited at times ...
0
votes
1answer
91 views

Playstation Eyetoy with Raspberry Pi

i have tried to use a raspberry in order to do some time lapse recordings with an old webcam, after some research i found out it was not compatible. I have a playstation eyetoy and read it was ...
1
vote
1answer
110 views

Raspistill image tinted

Raspistill images are tinted and lack colours. I tried removing and carefully inserting both end of the camera ribbon but problem not resolved (same when using motion videos are tinted). When taking ...
1
vote
2answers
212 views

Streaming the video being recorded to remote computer? [duplicate]

I want to stream the video that is being recorded by Pi-camera to my Remote computer for monitoring. There are lot of tutorials Online which deal with this topic. I was able to make one way work, that ...
0
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0answers
45 views

Pi NoIR Camera is dead?

I have been working with Raspberry Pi + PiNoir Camera for 5 months now. Everything was working fine till I tried to attach my pi-camera to my room's ceiling. To stick the camera to the ceiling I used ...
0
votes
0answers
48 views

Using CSI cameras(not the picam) with custom drivers

Last year the Broadcom released the GPU source code. I wonder if one can write driver of a camera that uses csi interface. In the old post, people told it impossible. But how about now? Could anyone ...
0
votes
1answer
61 views

Official Cam vs. Web Cam [closed]

I am getting together a kit of things for the raspberry pi and have decided I want to get a camera. However, I am not sure if I want to shell out $25 on a rpi offical camera and am considering a USB ...
2
votes
2answers
56 views

Is it to possible to have parallel access of Pi's camera to take stills, when it is streaming through FFMpEG video streaming?

Is it to possible to have parallel access of Pi's camera to take stills, when it is streaming through FFMpEG video streaming ?, if not, then how both ( still and streaming) can be processed at the ...