Index exceeds the number of array elements (0).

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Mohamed Kammoun 2022-6-25

评论： Cris LaPierre 2022-6-30

I keep getting this error:

Error in S5_HoughTransform (line 58)

X = [lines(i).point1(1);lines(i).point2(1)];

Cris LaPierre 2022-6-25

You are trying to index a variable that has no elements.

a = []
a =

     []
a(1)
Index exceeds the number of array elements. Index must not exceed 0.

Mohamed Kammoun 2022-6-30

thank you very much for your answer.

i think my problem is in:

lines=houghlines(g,theta,rho,peaks);

for some reason it returns the value of 0.

Cris LaPierre 2022-6-30

Could be. It may be because no edges were found in your image, so g is empty.

MATLAB Language Fundamentals Matrices and Arrays Matrix Indexing

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