Top "Hough-transform" questions

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

How to merge lines after HoughLinesP?

My task is to find coordinates of lines (startX, startY, endX, endY) and rectangles (4 lines). Here is input file: I …

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Python openCV detect parallel lines

I have an image and it has some shapes in it. I detected lines with using hough lines. How can …

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Python and OpenCV - Improving my lane detection algorithm

I'll need to detect road lane from a video. Here is my way of doing it. Determine the Region of …

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Choosing Lines From Hough Lines

I'm using Hough Lines to do corner detection for this image. i plan to find the intersection of the lines …

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Explanation of rho and theta parameters in HoughLines

Can you give me a quick definition of rho and theta parameters in OpenCV's HoughLines function void cv::HoughLines ( InputArray …

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OpenCV: how to detect lines of a specific colour?

I am working on a small OpenCV project to detect lines of a certain colour from a mobile phone camera. …

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HoughCircles Parameters to recognise balls

After processing an image by converting it to grey scale and then blurring it, I'm trying to apply a Hough …

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Recognize a number from an image

I'm trying to write an application to find the numbers inside an image and add them up. How can I …

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Detect colored spheres with OpenCV using HSV and HoughCircles

I am trying to detect colored spheres with openCV using an Iphone. For the first test case I was using …

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