Visual Regularity
To obtain simplest codes, SIT applies coding rules that capture the kinds of regularity called iteration, symmetry, and alternation. These have been shown to be the only regularities that satisfy the formal accessibility criteria of
- (a) being so-called holographic regularities that
- (b) allow for so-called hierarchically transparent codes.
A crucial difference with respect to the traditional, so-called transformational, formalization of visual regularity is that, holographically, mirror symmetry is composed of many relationships between symmetry pairs rather than one relationship between symmetry halfs. Whereas the transformational characterization may be better suited for object recognition, the holographic characterization seems more consistent with the build up of mental representations in object perception.
The perceptual relevance of the criteria of holography and transparency has been verified in the so-called holographic approach to visual regularity. This approach provides an empirically successful model of the detectability of single and combined visual regularities, whether or not perturbed by noise.
Read more about this topic: Structural Information Theory
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