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Recognition of visual objects under condition of angle rotation

Recognition of visual objects under condition of angle rotation

Sensornye Sistemy 7(2): 67-75

The confusion matrices were obtained in psychophysical experiments. After process of learning the stimuli were changed in orientation. The confusion matrices were compared with model matrices of distances, calculated as differences of the object's Fourier transforms under condition of the centroid's overlap. Also the similar behavioral experiments on macaque monkeys were carried out. All data are good described by model. This result proves that there is no mechanism of invariant form recognition under condition of angle rotation and time deficit. Very likely the process of invariant form recognition connects with learning and logical generalization. Obtained experimental data about limits of invariant form recognition to angle rotation have a good agreement with size of orientation tuning of the striate cortex receptive fields.

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