大津の二値化法
μ 0 = [ μ 0 i , μ 0 j ] T = [ ∑ i = 0 s − 1 ∑ j = 0 t − 1 i P i j ω 0 , ∑ i = 0 s − 1 ∑ j = 0 t − 1 j P i j ω 0 ] T μ 1 = [ μ 1 i , μ 1 j ] T = [ ∑ i = s L − 1 ∑ j = t L − 1 i P i j ω 1 , ∑ i = s L − 1 ∑ j = t L − 1 j P i j ω 1 ] T μ T = [ μ T i , μ T j ] T = [ ∑ i = 0 L − 1 ∑ j = 0 L − 1 i P i j , ∑ i = 0 L − 1 ∑ j = 0 L − 1 j P i j ] T {\displaystyle {\begin{aligned}\mu _{0}&=[\mu _{0i},\mu _{0j}]^{T}=\left[\sum _{i=0}^{s-1}\sum _{j=0}^{t-1}i{\frac {P_{ij}}{\omega _{0}}},\sum _{i=0}^{s-1}\sum _{j=0}^{t-1}j{\frac {P_{ij}}{\omega _{0}}}\right]^{T}\\\mu _{1}&=[\mu _{1i},\mu _{1j}]^{T}=\left[\sum _{i=s}^{L-1}\sum _{j=t}^{L-1}i{\frac {P_{ij}}{\omega _{1}}},\sum _{i=s}^{L-1}\sum _{j=t}^{L-1}j{\frac {P_{ij}}{\omega _{1}}}\right]^{T}\\\mu _{T}&=[\mu _{Ti},\mu _{Tj}]^{T}=\left[\sum _{i=0}^{L-1}\sum _{j=0}^{L-1}iP_{ij},\sum _{i=0}^{L-1}\sum _{j=0}^{L-1}jP_{ij}\right]^{T}\end{aligned}}}