Space-variant representation for active object recognition

Vision is an active process where behaviorally important information is selectively gathered. We present a model of visual recognition in which the high resolution fovea is deployed to interesting regions by selective attention processes. The raw image is initially represented by a space variant complex cell, or oriented edge map. This transformed input is processed by a decision system which attempts to recognize the image, given partial information. In the more typical case where the available information is insufficient to support recognition, an attentive foveation system is engaged which is responsible for determining the subsequent image region of interest. The next foveation is based on both bottom-up information from the image and top down information from the set of stored models, and corresponds to the process of selective attention within the model. The foveation process continues until the object is recognized. The model is applied to the task of face recognition where simulations illustrate its behavior and the model´s potential for visual recognition in general