Accuracy (for each rotation angle)

Dataset
Link
Brodatz
Brodatz.pdf
MondialMarmi
MondialMarmi.pdf
OUTEX_0045
OUTEX_00045.pdf
Vectorial
Vectorial.pdf


Accuracy (overall)



Link
Overall accuracy
OverallAccuracy.pdf


Pairwise comparisons



Link
Accuracy            
PairwiseComparisonsAcc.pdf
Robustness
PairwiseComparisonsRob.pdf


How to read the results

Numeric subscripts indicate the distance at which the features have been computed. Symbol || indicates concatenation of features.
Neighbourhood type:

Subscript
Meaning
*
Four-direction neighbourhood
^\circ
Digital circle

Conversion from rotation dependent into rotation invariant features:

Symbol
Meaning
\mathbf{f}^'
Average of the co-occurrence matrices
\bar{\mathbf{f}}
Average of the features
\Delta\mathbf{f}
Range of the features
\delta\mathbf{f}
Mean absolute deviation of the features
\hat{\mathbf{f}}
Discrete Fourier transform of the features




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