Pit Pattern Classification in Colonoscopy using Wavelets - WaveLab

4.4 Classification
ν = 2 b with b l ≤ b ≤ b u and b, b l , b u ∈ Z (4.64)
where a l and a u are the lower and the upper bound for parameter a and b l and b u are the
lower and the upper bound for parameter b. In our implementation the parameter ν is limited
by 1 [9], thus we set b u = 0.
From equations (4.63) and (4.64) it is clear that in our implementation the grid search is
not optimal at all since it suffers from a high granularity because a ∈ Z and b ∈ Z. It is
therefore quite possible that the best choices for γ and ν are not in Z but in R. For the sake
of speed and simplicity however we use the naive and faster approach and simply iterate
over values out of Z regardless of the possibility to miss the best possible choices for γ and
ν.
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