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This paper develops an anisotropic circular Gaussian MRF -LRB- ACGMRF -RRB- model for modelling rotated image textures and retrieving rotation-invariant texture features .
 anisotropic circular Gaussian MRF -LRB- ACGMRF -RRB- model, modelling rotated image textures; anisotropic circular Gaussian MRF -LRB- ACGMRF -RRB- model, retrieving rotation-invariant texture features; modelling rotated image textures, retrieving rotation-invariant texture features
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 anisotropic circular Gaussian MRF -LRB- ACGMRF -RRB- model, modelling rotated image textures; anisotropic circular Gaussian MRF -LRB- ACGMRF -RRB- model, retrieving rotation-invariant texture features; modelling rotated image textures, retrieving rotation-invariant texture features