Compared concepts	Paradigm
Compared concepts	Epistemological	Ontological	Transcendental
Knowledge base	Properties of perceptual products	Environment and situation of perception	General natural generative principles
Designation of methodology	Phenomenal	Eventful	Axiomatic
Perception subject	Functional behavior and phenomena of perception	A perceptual event as a process	Transcendental procedural mechanisms
Researcher’s position	An external observer of transformations	External Event Observer	Internal partner in the process
The system model is based on	Properties of perceptual products	Event’s structure	Form generation
Designation of system structure	Functional heterogeneity	Structural heterogeneity	Anisotropic uniformity
Internal subprocess	Feature detection	Formation of structures	Formation of relations
Direct process of perception	Highlighting and combining properties	Highlighting and structuring events	Form-generating process
Image properties	Individual properties	Event properties	Co-presented properties