Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [computer-vision]

For questions pertaining to using the Raspberry Pi for computer vision.

Computer Vision is a field that concentrates on processes that allow computers to analyse real-world inputs, such as images, and process them into decisions that could be made in the real-world. opencv is a common software used for this.

35 questions
32
votes
3 answers

Can I use OpenCV?

While the Raspberry Pi is not exactly a powerhouse, it should be capable of doing some OpenCV image or video processing. Has anyone tried to install it?
Avogado
  • 609
  • 6
  • 9
13
votes
1 answer

Reading video from camera (Kinect if possible)

I am starting up a project that will require Computer Vision to be used on the Raspberry Pi. I am relatively familiar with OpenCV and am aware that it can be installed successfully on a Raspberry Pi though I don't know how successful the Pi would…
user912447
  • 233
  • 1
  • 4
10
votes
1 answer

Rapberry pi camera module vs usb camera

Is it good to use raspberry pi camera module for serious computer vision project using video or is it okay to use a usb webcam?
parthi82
  • 335
  • 2
  • 4
  • 10
6
votes
2 answers

Image Recognition Raspberry Pi

I'd like to distinguish different types of beers in my fridge using a Raspberry Pi. I saw a very good tutorial on Adafruit that utilized OpenCV for face recognition. Can these same face recognition algorithms, Eigenfaces & Fisherfaces, be used to…
Anconia
  • 163
  • 1
  • 5
3
votes
4 answers

How can you get video display using the FLIR thermal camera

I am working the Lepton FLIR thermal camera and trying to get a video stream from it using the Raspberry Pi. When I hooked it up and used the already existing code I got a red box on a black screen. When I tried unplug it and plug it back in (the…
sgmm
  • 151
  • 1
  • 4
3
votes
1 answer

Does have Raspberry Pi enough performance for Computer vision process in c++

I will write a computer vision application in C++. I need to choose a hardware platform. I cannot use a PC (laptop, desktop, etc). I will process a video that I take a camera. Can I use a Raspberry Pi? I mean, is the Raspberry Pi powerful enough…
Halil Oymacı
  • 133
  • 1
  • 5
3
votes
3 answers

Stereo camera frame synchronization/genlock (video or still image)

I need to frame synchronize a stereo camera for a computer vision application. The synchronization should be on a millisecond level possibly. I would like to get about 10 FPS either as video or still images. I think basically I have 2 options: Get…
Kozuch
  • 250
  • 4
  • 17
3
votes
2 answers

Raspberry Pi 4 GPU math

So there is support for Open GL ES 3.1, but how can I use it on the Raspberry Pi 4? Is there any other way to use the GPU for calculations such as fft and logarithm?
Hneggbrand
  • 31
  • 1
  • 3
2
votes
0 answers

How to 'source ~/.profile' and activate virtual environment and run python script from a .sh file

I am working on my project and using a raspberry pi 3B+ with raspbian OS. I followed the following link to pip install open cv on my pi using a virtual environment I named 'cv' and it works fine:…
Max Hearnden
  • 21
  • 2
2
votes
1 answer

Camera to computer vision software on Pi

I am working on a project wherein i need to feed images from a camera to a computer vision application on Pi. I have never worked with camera systems before. The camera will be tasked to continuously snap images every second and store it on a…
Pratik Khadloya
  • 121
  • 2
2
votes
1 answer

Erratic errors in libfreenect on Raspberry Pi 3

I'm running a 3D SLAM application (RTAB-Map) on my Raspberry Pi 3 with Raspbian Jessie. The sensor I'm using is a Kinect v1 (Xbox 360) camera connected to one of the USB ports. I've installed libfreenect from source, following this tutorial. After…
Vin
  • 121
  • 4
2
votes
2 answers

How can I enable both the cameras on the Compute Module 3?

I am new to using Raspberry Pi devices. I have a problem with enabling the cameras on the Compute Module 3. When I run 'vcgencmd get_camera' I get the output 'supported=1, detected=1'. The connections are all correct as described in Raspberry Pi…
raspbiangetsCRAZY
  • 21
  • 4
2
votes
2 answers

How to setup Octave GNU 4.0+ for Raspbian

I'm working on the project where I need to read engraved text on the frame. I'm taking a picture using the Raspberry Pi USB camera. I initially developed a script in MatLab which achieved over 70% accuracy for OCR. However as I'm using the student…
UZIERSKI
  • 43
  • 2
  • 7
2
votes
1 answer

Is opencl supported in Raspberry Pi for stereo vision applications?

I am currently using the opencv library for implementing stereo vision on the raspberry pi. A colleague of mine is using an odroid sbc supporting opencl for parallel processing of matrices. Is opencl supported in Raspberry Pi for stereo vision…
user123456098
  • 350
  • 4
  • 19
2
votes
1 answer

Can Not able to install python OpenCv on raspberry pi 3?

I have been trying to run my 4WD Smart drive car with raspberry 3. I am using python 3 to implement algorithms and computer vision object detection. I also have a problem with Cheese camera on the pi. I have install this: sudo apt-get install…
M.salimy
  • 43
  • 5
1
2 3