Algorithm for fringe pattern normalization
In this work we present a new algorithm for fringe pattern normalization, that is, background suppression and modulation normalization. Normalization is necessary for several fringe pattern processing techniques. For example, this is the case of the regularization and phase sampling methods. In gene...
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Veröffentlicht in: | Optics communications 2001-09, Vol.197 (1), p.43-51 |
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creator | Quiroga, Juan Antonio Antonio Gómez-Pedrero, José Garcı́a-Botella, Ángel |
description | In this work we present a new algorithm for fringe pattern normalization, that is, background suppression and modulation normalization. Normalization is necessary for several fringe pattern processing techniques. For example, this is the case of the regularization and phase sampling methods. In general, background suppression can be accomplished by high-pass filtering, however if modulation is not constant or almost constant over the field of view, normalization is a difficult task. The solution proposed is based in the use of two orthogonal bandpass filters, from which a normalized irradiance distribution is obtained. We have applied the method to simulated as well as experimental data with good results. |
doi_str_mv | 10.1016/S0030-4018(01)01440-7 |
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We have applied the method to simulated as well as experimental data with good results.</description><subject>Background suppression</subject><subject>Computers in experimental physics</subject><subject>Exact sciences and technology</subject><subject>Fourier transform</subject><subject>Fringe pattern processing</subject><subject>Image processing</subject><subject>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</subject><subject>Interferometers</subject><subject>Normalization</subject><subject>Optical instruments, equipment and techniques</subject><subject>Optical metrology</subject><subject>Physics</subject><issn>0030-4018</issn><issn>1873-0310</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkE9LAzEQxYMoWKsfQdiDiAqrk91ssjlJKf6Dggf1HNJkUiO7m5psBf30blsRb54Ght-bN-8RckzhkgLlV08AJeQMaH0G9BwoY5CLHTKitShzKCnsktEvsk8OUnoDGLCyHpGLSbMI0fevbeZCzFz03QKzpe57jF3Whdjqxn_p3ofukOw53SQ8-plj8nJ78zy9z2ePdw_TySw3jLI-F5ZZjVTi3OBgaDjHuawqkCV3tKZYOVsJ7lDIwsg5F8Y6aakYltLpglflmJxu7y5jeF9h6lXrk8Gm0R2GVVIFF4JVohjAaguaGFKK6NQy-lbHT0VBrZtRm2bUOrYCqjbNKDHoTn4MdDK6cVF3xqc_4lqyev3H9RbDIeyHx6iS8dgZtD6i6ZUN_h-jb1XGdtg</recordid><startdate>20010915</startdate><enddate>20010915</enddate><creator>Quiroga, Juan Antonio</creator><creator>Antonio Gómez-Pedrero, José</creator><creator>Garcı́a-Botella, Ángel</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20010915</creationdate><title>Algorithm for fringe pattern normalization</title><author>Quiroga, Juan Antonio ; Antonio Gómez-Pedrero, José ; Garcı́a-Botella, Ángel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c414t-7d4dae19ebce401c66eb9550936f181e5fd576fe792c9b67cdf9d17d579fa2653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Background suppression</topic><topic>Computers in experimental physics</topic><topic>Exact sciences and technology</topic><topic>Fourier transform</topic><topic>Fringe pattern processing</topic><topic>Image processing</topic><topic>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</topic><topic>Interferometers</topic><topic>Normalization</topic><topic>Optical instruments, equipment and techniques</topic><topic>Optical metrology</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Quiroga, Juan Antonio</creatorcontrib><creatorcontrib>Antonio Gómez-Pedrero, José</creatorcontrib><creatorcontrib>Garcı́a-Botella, Ángel</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Quiroga, Juan Antonio</au><au>Antonio Gómez-Pedrero, José</au><au>Garcı́a-Botella, Ángel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Algorithm for fringe pattern normalization</atitle><jtitle>Optics communications</jtitle><date>2001-09-15</date><risdate>2001</risdate><volume>197</volume><issue>1</issue><spage>43</spage><epage>51</epage><pages>43-51</pages><issn>0030-4018</issn><eissn>1873-0310</eissn><coden>OPCOB8</coden><abstract>In this work we present a new algorithm for fringe pattern normalization, that is, background suppression and modulation normalization. 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subjects | Background suppression Computers in experimental physics Exact sciences and technology Fourier transform Fringe pattern processing Image processing Instruments, apparatus, components and techniques common to several branches of physics and astronomy Interferometers Normalization Optical instruments, equipment and techniques Optical metrology Physics |
title | Algorithm for fringe pattern normalization |
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