Abstract
The organization of features into ordered sets to allow comparison of visual images is called the correspondence problem. When presented with a familiar image, humans scan an image in a scene with a specific and distinctive pattern. We suggest that the visual system uses scanpaths to solve the feature correspondence problem. A computer algorithm that simulates this process was developed and tested on different classes of images. In agreement with psychophysical data, the algorithm processed familiar images with idiosyncratic “eye movement” patterns and with fewer “eye movements” than unfamiliar patterns; additional fixation time was spent on unexpected patterns. This solution of the correspondence problem is well suited to computer vision systems.
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