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Hands-On Computer Vision with Julia
book

Hands-On Computer Vision with Julia

by Dmitrijs Cudihins
June 2018
Beginner to intermediate content levelBeginner to intermediate
202 pages
5h 5m
English
Packt Publishing
Content preview from Hands-On Computer Vision with Julia

Corner detection using the imcorner function

The imcorner function is an alternative to FAST's fastcorners. It is also used on corners from an image and provides a different set of methods, such as the following ones:

  • harris
  • shi-tomasi
  • kitchen-rosenfield

Each method performs in its own unique way, and therefore feature representation will differ. To better understand the differences, we will plot them all on a single image. Let's start by loading an image of a chessboard and converting it to a float representation, as shown in the following code:

using Images, ImageFeatures, ImageMorphology, ImageViewimg = restrict(load("sample-images/board-157165_640.png"))img_f = Float16.(Gray.(img))

Next, we will be running four different methods and ...

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Publisher Resources

ISBN: 9781788998796Supplemental Content