The Role of Fixation and Visual Attention in Object Recognition

Title: en_US The Role of Fixation and Visual Attention in Object Recognition
Creator: en_US Ratan, Aparna Lakshmi
Date: 2004-10-20T14:45:21Z
Date Available: 2004-10-20T14:45:21Z
Date Issued: en_US 1995-07-21
Identifier: en_US AITR-1529
uri: http://hdl.handle.net/1721.1/6775
Abstract: en_US This research project is a study of the role of fixation and visual attention in object recognition. In this project, we build an active vision system which can recognize a target object in a cluttered scene efficiently and reliably. Our system integrates visual cues like color and stereo to perform figure/ground separation, yielding candidate regions on which to focus attention. Within each image region, we use stereo to extract features that lie within a narrow disparity range about the fixation position. These selected features are then used as input to an alignment-style recognition system. We show that visual attention and fixation significantly reduce the complexity and the false identifications in model-based recognition using Alignment methods. We also demonstrate that stereo can be used effectively as a figure/ground separator without the need for accurate camera calibration.
Extent: en_US 97 p.; 8826773 bytes; 2714320 bytes
Format: application/postscript; application/pdf
Language: en_US
Relation: en_US AITR-1529
Subject: en_US AI; en_US MIT; en_US Artificial Intelligence; en_US Computer Vision; en_US Object Recognitions