A volumetric/iconic frequency domain representation for objects with application for pose invariant face recognition

被引：26

作者：

Ben-Arie, J ^{[1
]}

Nandy, D ^{[1
]}

机构：

[1] Univ Illinois, Dept Elect Engn & Comp Sci, Chicago, IL 60607 USA

来源：

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE | 1998年 / 20卷 / 05期

基金：

美国国家科学基金会;

关键词：

volumetric frequency representation (VFR); object representation; projection-slice theorem; 4D Fourier space; face pose estimation; pose invariant face recognition;

D O I：

10.1109/34.682175

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

A novel method for representing 3D objects that unifies viewer and model centered object representations is presented. A unified 3D frequency-domain representation (called Volumetric Frequency Representation-VFR) encapsulates both the spatial structure of the object and a continuum of its views in the same data structure. The frequency-domain image of an object viewed from any direction can be directly extracted employing an extension of the Projection Slice Theorem, where each Fourier-transformed view is a planar slice of the volumetric frequency representation. The VFR is employed for pose-invariant recognition of complex objects, such as faces. The recognition and pose estimation is based on an efficient matching algorithm in a four-dimensional Fourier space. Experimental examples of pose estimation and recognition of faces in Various poses are also presented.

引用

页码：449 / 457

页数：9

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