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Questions - fisheye

using cv2.norm based on cv2.fisheye.projectPoints causes (-215:Assertion failed) _src1.sameSize(_src2) in function 'norm'

Hi I'm working on a camera calibration code (relatively standard I'd say), now when running this code: for i in range(num_images): number_of_points=len(objpoints[i][0]) if not fisheye: i...
test-img

Francois

python

numpy

opencv

fisheye

Votes: 0

Answers: 0

Undistort ultra-wide angle (>180 degrees) fisheye lens

I am trying to undistort a 220deg fisheye lens image. I worked with fisheye before using OpenCV and a script similar to this. However, whenever I used a lens with more than 180deg it seems to fail, ge...
test-img

André

python

opencv

distortion

fisheye

Votes: 0

Answers: 1

Latest Answer

This is not a complete solution, but I found that ffmpeg can transform the picture/video into a 360degree view, which then can be panned and cropped into the right angle (similar as some commenters su...
test-img

André

Barrel distortion effect for image (JavaFX)

I'm looking for some way to set background image with barrel distortion effect(FishEye/FOV) for node using JavaFX. I found algorithm with pixel manipulation, but I want to find some another way(some h...
test-img

Teltro

java

image-processing

javafx

distortion

fisheye

Votes: 0

Answers: 2

Latest Answer

I'd like to offer an alternative approach which is much more efficient (real-time capable). Any solution which is based on direct pixel manipulations is doomed to be very inefficient especially for a ...
test-img

mipa

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