HBY coding academic

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Image Dithering — How to Deceive your Eyes?

An introduction to image dithering that turns fewer colors into more.

May 3, 2021

Image Dithering — How to Deceive your Eyes?

May 3, 2021

Otsu Thresholding — Mathematical Secrets behind Image Binarization

Simple yet effective method – Otsu thresholding (envisioned in 1979) makes the conversion from grayscale to a binary image. It is based on…

Apr 26, 2021

Otsu Thresholding — Mathematical Secrets behind Image Binarization

Apr 26, 2021

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Old photo effect

Do you remember things that happened in your childhood? As for me, when I am looking at some old photos I have taken, all things come into…

Sep 24, 2019

Sep 24, 2019

Morphological image processing

There may contain some imperfections in images under some circumstances, for example, the fingerprint is scanned and then distorted by…

Jan 26, 2019

Jan 26, 2019

Otsu thresholding — image binarization

In image processing and analysis, we sometimes need a method to separate two related data, for example, background and foreground, land and…

Jan 19, 2019

Jan 19, 2019

Canny Edge Detection

+Short introduction

Jan 17, 2019

Jan 17, 2019