Extracting facial features by an inhibitory mechanism based on gradient distributions

Cheng-Chung Lin; Wei Chung Lin

doi:10.1117/12.216860

Extracting facial features by an inhibitory mechanism based on gradient distributions

Cheng-Chung Lin^*, Wei Chung Lin

^*Corresponding author for this work

National Chiao Tung University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The extraction of facial features is a fundamental and crucial step in most face detection and recognition systems. Here a set of approaches are proposed for extracting internal and external facial features in a grey-level images containing single or multiple faces of various sizes at different locations without any restriction on the background. These approaches are distinctive in several aspects: the use of some rarely exploited photometric properties as the basis for facial features extraction, a novel metrics on radial symmetry of gradient orientations, an inhibitory mechanism for extracting internal facial features, and a simple mechanism for external ones.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Pages	640-651
Number of pages	12
Edition	2
DOIs	https://doi.org/10.1117/12.216860
State	Published - 1 Dec 1995
Event	Optical Engineering Midwest'95. Part 2 (of 2) - Chicago, IL, USA Duration: 18 May 1995 → 19 May 1995

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Number	2
Volume	2622
ISSN (Print)	0277-786X

Conference

Conference	Optical Engineering Midwest'95. Part 2 (of 2)
City	Chicago, IL, USA
Period	18/05/95 → 19/05/95

Access to Document

10.1117/12.216860

Link to publication in Scopus

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Lin, C-C., & Lin, W. C. (1995). Extracting facial features by an inhibitory mechanism based on gradient distributions. In Proceedings of SPIE - The International Society for Optical Engineering (2 ed., pp. 640-651). (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 2622, No. 2). https://doi.org/10.1117/12.216860

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title = "Extracting facial features by an inhibitory mechanism based on gradient distributions",

abstract = "The extraction of facial features is a fundamental and crucial step in most face detection and recognition systems. Here a set of approaches are proposed for extracting internal and external facial features in a grey-level images containing single or multiple faces of various sizes at different locations without any restriction on the background. These approaches are distinctive in several aspects: the use of some rarely exploited photometric properties as the basis for facial features extraction, a novel metrics on radial symmetry of gradient orientations, an inhibitory mechanism for extracting internal facial features, and a simple mechanism for external ones.",

author = "Cheng-Chung Lin and Lin, {Wei Chung}",

year = "1995",

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Lin, C-C & Lin, WC 1995, Extracting facial features by an inhibitory mechanism based on gradient distributions. in Proceedings of SPIE - The International Society for Optical Engineering. 2 edn, Proceedings of SPIE - The International Society for Optical Engineering, no. 2, vol. 2622, pp. 640-651, Optical Engineering Midwest'95. Part 2 (of 2), Chicago, IL, USA, 18/05/95. https://doi.org/10.1117/12.216860

Extracting facial features by an inhibitory mechanism based on gradient distributions. / Lin, Cheng-Chung; Lin, Wei Chung.

Proceedings of SPIE - The International Society for Optical Engineering. 2. ed. 1995. p. 640-651 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 2622, No. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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