Binarize

Binarize[image] creates a binary image from image by replacing all values above a globally determined threshold with 1 and others with 0.

Binarize[image,t] creates a binary image by replacing all values above t with 1 and others with 0.

Binarize[image,{t1,t2}] creates a binary image by replacing all values in the range t1 through t2 with 1 and others with 0.

Binarize[image,f] creates a binary image by replacing all channel value lists for which f[v] yields True with 1 and others with 0.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.