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hough transformation using the normal equation of a line.

For calculating the value of r while keeping the values of x and y same for different θ the following formula is used.

r = sin(θ)y + cos(θ)x

But the results are not the same as shown in the slides. Am I missing something? I am a newbie please be gentle.

enter image description here hough transformation

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1 回答 1

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As @Ash explained in the comment section above the angles are expected to be expressed in radians not degree.

So r = sin(θ*pi/180)y + cos(θ*pi/180)x will give the correct answer.

于 2020-05-29T19:49:23.910 回答