Table 9 GLRLM equations
From: Classification of lung pathologies in neonates using dual-tree complex wavelet transform
\(\displaystyle LRE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m}j^2 (R_{i,j})}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \qquad {(14)}\) | \(\displaystyle SRE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m} \frac{(R_{i,j})}{j^2}}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(15)}\) |
\(\displaystyle GLN=\frac{\sum _{i=1}^{n} (\sum _{j=1}^{m} (R_{i,j})^2)}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(16)}\) | \(\displaystyle RLN=\frac{\sum _{j=1}^{m} (\sum _{i=1}^{n} (R_{i,j})^2)}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(17)}\) |
\(\displaystyle RP=\frac{\sum _{i=1}^{n} (\sum _{j=1}^{m} R_{i,j})}{N} \qquad {(18)}\) | \(\displaystyle LGRE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m} \frac{(R_{i,j})}{i^2}}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(19)}\) |
\(\displaystyle HGRE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m}i^2 (R_{i,j})}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \qquad {(20)}\) | \(\displaystyle SRLGE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m} \frac{(R_{i,j})}{i^2\cdot j^2}}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(21)}\) |
\(\displaystyle SRHGE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m} \frac{i^2(R_{i,j})}{j^2}}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \qquad {(22)}\) | \(\displaystyle LRLGE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m} \frac{j^2(R_{i,j})}{i^2}}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(23)}\) |
\(\displaystyle \hspace{27.5 mm} LRHGE=\frac{\sum _{i=1}^{n} \sum _{j=1}^{m} i^2\cdot j^2 (R_{i,j})}{\sum _{i=1}^{n} \sum _{j=1}^{m} R_{i,j}} \quad {(24)}\) | Â |