Digital Image Processing 12.21 Matching Minimum distance classifier Define the prototype of each pattern class 1 N x∈ Assign x to class w; if Di(r) is thesmallest distance D, (x)=lxDigital Image Processing 12.2.1 Matching Minimum Distance Classifier • Define the prototype of each pattern class 𝒎𝒋 = 𝟏 𝑵𝒋 ෍ 𝒙∈𝝎𝒋 𝒙𝒋 • Assign x to class 𝝎𝒋 if 𝑫𝒋 (𝒙) is the smallest distance. 𝑫𝒋 𝒙 = 𝒙 − 𝒎𝒋