Digital Image Processing 121 Patterns and Pattern Classes Noisy object and signature x1=T(61),x2=r(02)…,xn=r(6n) 丌亓3丌丌5丌3丌7丌2丌Digital Image Processing 12.1 Patterns and Pattern Classes Noisy Object and Signature 𝒙𝟏 = 𝒓 𝜽𝟏 , 𝒙𝟐 = 𝒓 𝜽𝟐 , … , 𝒙𝒏 = 𝒓 𝜽𝒏