Java Image Processing Recipes by Nicolas Modrzyk

Author:Nicolas Modrzyk
Language: eng
Format: epub, pdf
Publisher: Apress, Berkeley, CA

Adaptive threshold is usually used in recipe 2-8 with blurring techniques that we will study very shortly.

2.7 Applying Simple Masking Techniques

Problem

Masks can be used in a variety of situations where you want to apply mat functions only to a certain part of a mat.

You would like to know how to create masks and how to put them into action.

Solution

We will review again the use of in-range to create masks based on colors.

Then, we will use copy-to and bitwise- to apply functions on the main mat, but only on pixels selected by the mask.

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