Create an 8-color version of an image - MATLAB Cody - MATLAB Central

Problem 1368. Create an 8-color version of an image

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This problem was inspired by a tweet I saw from @MATLAB regarding The Warholer.

Given an MxNx3 array (A) representing an image and a threshold for each channel (r/g/b), generate a new array (B) whose elements are 255 if greater than the threshold for that channel or 0 otherwise. This means the new "image" will only have 8 colors.

You may assume that the inputs are on the interval [0,255].

Solve

Solution Stats

44.87% Correct | 55.13% Incorrect
Last Solution submitted on Jun 12, 2025

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