Is there something similar to polyval for circle fitting?
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Marshall Botta
am 7 Sep. 2023
Kommentiert: Image Analyst
am 8 Sep. 2023
I am trying to grab tracked objects within a semicircle on the left and right of a vehicle. In the ACC test bed example within multi object tracking documentation on the website, to find a lead vehicle the matlab function uses...
yleftlane = polyval ([curvature, 0, halfLaneWidth], x);
This checks for any car half a lane width to the left within a curved road using the polyval function.
What I want to do is something like this...
yleftcircle = circularfit ([(pi/2)radius^2]); %% find lead vehicle half a circle to the left...
I cant seem to find any circular fitting except for downloaded ones.
Any recommendations or advice?![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1476251/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1476251/image.png)
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Image Analyst
am 7 Sep. 2023
What's wrong with downloaded functions? I'm attaching one I use, along with a paper for more general purpose one.
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Image Analyst
am 8 Sep. 2023
I have no idea how to determine, in a cluster of several/numerous points, which is "more important" or "the main one." Sorry.
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