Top "Hough-transform" questions

The Hough transform is a technique used to isolate features of a particular shape within an image.

Hough transform in MATLAB without using hough function

I found an implementation of the Hough transform in MATLAB at Rosetta Code, but I'm having trouble understanding it. Also …

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Ellipse Detection using Hough Transform

using Hough Transform, how can I detect and get coordinates of (x0,y0) and "a" and "b" of an ellipse …

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Explain Hough Transformation

I am just being adventurous and taking my first baby step toward computer vision. I tried to implement the Hough …

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Python cv2 HoughLines grid line detection

I have a simple grid in an image, I am trying to determine the grid size, e.g. 6x6, 12x12, …

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What's the use of Canny before HoughLines (opencv)?

I'm new to image processing and I'm working on detecting lines in a document image. I read the theory of …

opencv edge-detection hough-transform
how to use hough circles in cv2 with python?

I have the following code and I want to detect the circle. img = cv2.imread("act_circle.png") gray = cv2.…

python opencv geometry hough-transform
Detect touching/overlapping circles/ellipses with OpenCV and Python

i want to measure the circularity of circles (difference of the "circles" height and width or ellipse parameters). The circles …

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How can I determine the angle a line found by HoughLines function using OpenCV?

Using the HoughLines function in OpenCV, is it possible to determine the angle of a resulting line relative to the …

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Generalized Hough Transform and OpenCv

I’m looking for an OpenCv implementation of Generalized Hough Transform, or at least something in c++. Despite I searched …

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OpenCV: Using Hough Circle Transformation to detect iris

I am newbie to openCV, but I want to create iris recognition program. Although the system with webcam can detect …

c++ opencv image-processing hough-transform iris-recognition