Nearest Neighbor Interpolation

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H =

• May be implemented as 2-D FIR filter by H
  • Alternate pixels may be skipped

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/* v is the zoomed (interpolated) version of u */

v[m,n]=u[round(m/2),round(n/2)]

• Interpolation by pixel replication
  • Computationally simple
  • Aliasing

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