PSY 368 Lecture Notes - Lecture 11: Outline Of Object Recognition, Psy, Attention Deficit Hyperactivity Disorder
19 Apr 2019
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Document Summary
Two basic approaches used in modern research: Objects are represented in terms of 3d volumetric features, the unique combination of which defines a given object. 3d objects are represented as a series of stored 2d viewpoints (images) of the object from different perspectives. Edge information is combined to form simple 3d geometric features; these features are then combined to form objects and object parts. Recognition is the process of matching these 3d features to a similar object representation in memory. Recognition does not require highly detailed or complex representations. Recognition occurs at different scales, with each scale having its own 3d feature description. There are 3d volumetric features called geons (things like: cylinders, rectangular solids, cones, etc. ) Rbc theory proposes that there are only 36 geons that can be combined to form all 3d objects. Different arrangements of the same geons produce different objects (cup/bucket or briefcase/drawer)
