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Questions tagged [camera]

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

231 questions with no upvoted or accepted answers
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6
votes
2answers
1k views

Capture Photos while Streaming

At the moment, i have Pi Camera > Pi > Ethernet Cable > Pi > Display, and using the codes from, https://www.youtube.com/watch?v=r80dcfzClD4 i am able to stream video from one Pi to another. What i ...
4
votes
0answers
192 views

Custom camera driver

Is it possible to write a driver, say for a OV camera, based on the existing drivers at the RPI git repo? As is I understand, with a datasheet for a sensor it should be possible to write a similar ...
4
votes
0answers
1k views

Can the Compute Module 3 support 240fps from the Pi Camera v2?

The Compute Module 3 supports CAM1 with 4x Lane CSI MIPI as does the official doc for the Sony IMX219 camera module. It has been explained in many places that the reason the standard Raspberry Pi ...
4
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0answers
2k views

Stream video from camera using ffserver?

I'm trying to stream video from the camera module using ffserver. My server configuration is HTTPPort 8090 HTTPBindAddress 0.0.0.0 MaxHTTPConnections 8 MaxClients 4 MaxBandwidth 1000 CustomLog - #...
3
votes
0answers
156 views

Are the camera and display connectors of my 3B+ soldered the wrong way around?

I recently purchased a new 3B+ board and although the board board itself is working fine, I can't get the PiNoir camera to work. The camera works fine on an another 3B board. I tried several tricks on ...
3
votes
1answer
2k views

Camera Module V2 working on Raspberry Pi 3 but not on Raspi Zero W

I have a new Camera Module V2 that I tried to hook up with a new Raspberry Pi Zero W with this adapter cable. When I call raspistill -o test.jpg I get mmal: Cannot read camera info, keeping the ...
3
votes
2answers
2k views

Can I set the camera's shutter speed for video?

I need to have a low shutter speed to be able to capture a light that is only on for a few milliseconds each frame (light synced with camera fps, but only want it to capture when the light is on). How ...
3
votes
0answers
808 views

Is there a unique device ID for pi cameras?

I have multiple pi3s and multiple v2.1cameras. I'm taking pictures with a python script using picamera, I use the pis mac address as an identifier for the pi but I was hoping to be able to get a ...
3
votes
0answers
2k views

Pi 2 Windows IoT support for onboard CSI camera port

I am working on IoT technology, in one of my project I want to connect to on-board camera with Raspberry Pi 2 having Windows 10 IoT core. Two months back I found Windows IoT on the Raspberry Pi 2 ...
3
votes
3answers
1k views

PiCam Not Working (At All)

As I recently bought the Picam, I tried capturing an image with : raspistill -v -o file.jpg But I got this error : "No data received from sensor. Check all connections, including the Sunny one on ...
3
votes
0answers
616 views

Running two cameras 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 = ...
3
votes
0answers
363 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. ...
2
votes
0answers
83 views

Issue with Raspberry Pi 4 OpenCV

I have been using OpenVINO + NCS2 on a raspberry Pi 3b+ with no issues for an IP camera security application (object detection). I then upgraded to Pi 4 looking for better performances. The object ...
2
votes
0answers
108 views

uv4l usb camera stream not working

I am using a raspberry pi 3b+, trying to make the usb camera work with uv4l streaming. These are the packages I've installed: uv4l uv4l-raspicam uv4l-raspicam-extras uv4l-server uv4l-uvc uv4l-...
2
votes
0answers
20 views

Dual Camera Issue

I recently set up my raspberry pi to run as a home security camera. I am using a pi NoIR camera module and the raspi cam web interface software. It works perfectly, however I am simultaneously ...
2
votes
1answer
171 views

Take 5 images a second, triggered by motion sensor, switching between 2 cameras depending on time

I'm working on a project similar to a security camera with a Raspberry Pi NoIR Camera Module v2 and a FLIR Lepton 3.5 on a purethermal 2. I am somewhat new to this and am not sure how to proceed. ...
2
votes
1answer
215 views

Pi Camera streaming via gpio

is there a way to transfer the video stream from one raspberry pi to another via gpio pins? One pi is In a closed container with the camera and the other pi drives the user interface. Networking is ...
2
votes
0answers
283 views

How to connect CMOS image Sensor to Raspberry Pi

I'm wondering if it would be possible to take an image sensor out of an old camera and plug it in to a raspberry pi via the csi connector. For Example would it be possible to take one like this from ...
2
votes
0answers
301 views

how to motion detect on small resolution, save larger resolution: “motion”

This post on the raspi forums suggests that motion can use a small resolution feed from the raspi camera to perform motion detection and then save a larger resolution version of the frame in question. ...
2
votes
0answers
2k views

Calculating focal length of Raspberry Pi Camera

This article claims you can calculate the focal length of the Pi camera with the equation: F = (P x D) / W where: W is width of known object D is the object's distance from the camera P the ...
2
votes
0answers
44 views

RPI - Nikon 1J5 - Wifi Trigger (help)

I've setup a timelapse stepper motor slider with the RPI. Upon boot it starts the slider with a specific step & delay. Goes back and forth until the RPI is powered off. I have a Nikon 1J5, for ...
2
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0answers
1k views

RPi camera stream to OpenCV in Python

I have been searching everywhere and tested what seems to be everything in order to get OpenCV in python to accept a video stream through gst-launch-1.0 from a RPi camera connected to a RPi. So far, I ...
2
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0answers
211 views

UV4L wont allow multiple users on .mjpeg stream

I'm trying to make a survaillance system with UV4L i already succeed to play i live streaming and record the live stream from UV4L the problem is that when UV4L detects more than 3 users it blocks the ...
2
votes
1answer
421 views

How to connect two cameras to one Raspberry Pi?

I want to use two pi cameras (V2) at the same time for a project. There are a few ideas that came into my mind Creating a camera MUX: 14 pins of the CSI port are connected to a bread board, and two ...
2
votes
0answers
954 views

High speed photography using RPi Camera module

I'm trying to capture high speed water flow movement in a small dark chamber with a cool white 5 W high power LED as a flasher. My target is to achieve quick exposure using 0.8 millisecond light pulse....
2
votes
0answers
254 views

How to Stream MJPEG from Pi camera?

I want to make something like Surveillance system from pi camera. How can I do that with Opencv and pi camera ? Can anyone please help me to understand How can I do like this example. I am not a pi ...
2
votes
0answers
273 views

How to take stereoscopic images of moving target?

I am trying to build a raspberry pi device that will take a stereoscopic picture of a moving conveyor belt by simultaneously taking a photo from two separate cameras. Since the image is constantly ...
2
votes
0answers
286 views

Latency on a Raspberry Pi camera

I'm making a flight controller and want to stabilize the x-y plane using optical flow, which requires almost instantaneous processing thus requires almost no latency. How much latency does the Pi ...
2
votes
0answers
154 views

Streaming video to a <video> tag

I have the Raspberry camera module, and I try to get the following setup to stream live video to a website: Html code: <video width="640" height="480" controls autoplay> <source src="...
2
votes
0answers
1k views

Live stream to Youtube - sound sync

I have Raspberry pi 3 model b. I stream video and sound (from dedicated camera + usb sound card) to Youtube by command: raspivid -o - -t 0 -vf -hf -fps 30 -b 600000 | ffmpeg -i pipe: -f alsa -ac 1 -i ...
2
votes
0answers
910 views

CM Stream Dual Cameras simultaneously

I'm a beginner user. My goal is to stream low-latency dual cameras to pc, and then record&save the videos. Using the Compute Module & IO Board, I have done this: https://www.raspberrypi.org/...
2
votes
1answer
90 views

Raspberry Compute Model 3, is hardware opensource and approach to integrating HD camera on board?

Im planning to build a home security video surveillance to record video and stream it. This is a personal project but I want to approach it with a production ready mindset, as a challenge for myself. ...
2
votes
0answers
2k views

Live Camera App with Qt

I am trying to write an application using Qt that displays live video from the Pi camera. The Qt example projects "camera" (using QWidgets) and "declarative-camera" (using QML) both run without ...
2
votes
0answers
423 views

Camera OV5647 + 3.5 LCD as a real time view

I have a OV5647 camera and 3.5 GPIO LCD. I would like to connect both of them to have a real time view in my Raspberry Pi 3. I would like to also set by programming to turn on the camera after some ...
2
votes
2answers
1k views

How can I stop the overlay of images between my pi camera and FLIR camera?

Totally newbie here, I'm trying to do a project with the FLIR sensor and a Raspberry Pi. They provided me with some code that turns on both the Raspberry Pi Camera and the FLIR sensor and overlays the ...
2
votes
0answers
3k views

Simplest way to grab camera images from Java

I want to write a software that runs on the JVM (in Scala but you can think Java). I am looking for the simplest way to capture images from the standard camera module (v2). I find the raspstill quite ...
2
votes
0answers
122 views

USB/Ethernet Stops Working While Trying to Preview Video

The setup: Raspberry Pi 3, running Windows 10 IoT Core Preview {10.0.14342.1000} Camera: A link to the camera from who I got it from I recently got a USB Camera working for taking pictures, however ...
2
votes
0answers
781 views

Green Tint Raspberry Pi Camera Outside

I am getting a green tint or full green saturation on pictures that I have taken with the Raspberry pi camera module while outside on sunny days. I am powering the raspberry pi from a battery while ...
2
votes
0answers
463 views

Jessie: v4l2 streaming works with RPi 1B+, but not with 2B or 3B

I just recently upgraded my series of Pi's (1B+, 2B, 3B) to Raspbian Jessie Lite. Now, when I try to setup a stream with my Pi NoIR Camera as I did in Wheezy, sudo modprobe bcm2835-v4l2 cvlc v4l2:///...
2
votes
2answers
1k views

Raspberry Pi Zero and USB camera Issue

I have a video streaming application which works well on the Raspberry Pi 2. I am trying to switch out the Pi 2 and move everything to a Pi Zero. When I connect the USB camera to the Pi Zero ...
2
votes
0answers
4k views

Embedding live video stream to a html5 webpage; both camera server and webserver hosted on pi

I have a USB camera connected to my pi. I'm also hosting my personal website on it. How do I create a separate page on my website with authentication and display the live feed from my port 8081 on it?
2
votes
0answers
76 views

Boot error when attempting to install Kinect driver

I am trying to install the kernel driver to use the xbox kinect with my Rpi model B. I have followed the commands found here https://github.com/xxorde/librekinect under example for Rpi with the ...
2
votes
0answers
302 views

RPi A+ and Pi noIR: How to update just the camera driver NOT OS

I have a SD card, with Raspbian and lots of programs installed on it. I want to run it on model A+ and use the pi noIR camera module. The problem is that the OS firmware version is quite old. I know ...
2
votes
0answers
628 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: ...
2
votes
1answer
2k 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 ...
2
votes
0answers
688 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 ...
2
votes
0answers
2k views

camera error mmal: Received unexpected camera control callback event, 0x4f525245

I try to take picture with my raspberry camera, I got this error mmal: Received unexpected camera control callback event, 0x4f525245 any idea???
1
vote
0answers
49 views

imutils VideoStream(src=0) return VIDIOC_QBUF: Invalid argument in raspberry pi

I am only doing a simple code in my Raspberry Pi 4: from imutils.video import VideoStream # initialize the video streams and allow them to warmup print("[INFO] starting cameras...") webcam = ...
1
vote
0answers
59 views

pi camera V2.1 digital zoom

The Rpi camera V2.1 is 8-megapixel that mean it's maximum resolution is 3266 x 2450. I would like to record a video in 720P resolution using this camera. My question is.. maximum how much I can do ...
1
vote
1answer
48 views

Unrecognized URL with motion

Trying to install motion for a sricam SP017 (720p) on a raspbian pi. I did an apt-get install motion. motion -h gives motion Version 3.2.12+git20140228, Copyright 2000-2005 Jeroen Vreeken/Folkert van ...