Reduction in size of digital images: does it lead to less detectability or loss of diagnostic information?
To analyse the effect of reduction in size of digital images on diagnostic outcome. A series of 100 Visualix III (Gendex Dental Systems, Milano, Italy; Dentsply, Des Plaines, IL, USA) images was made of size 10 and 15 endodontic files in upper and lower (pre)molars. Three forms of image were created...
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Veröffentlicht in: | Dento-maxillo-facial radiology 1998-03, Vol.27 (2), p.93-96 |
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creator | Versteeg, C H Sanderink, G C Lobach, S R van der Stelt, P F |
description | To analyse the effect of reduction in size of digital images on diagnostic outcome.
A series of 100 Visualix III (Gendex Dental Systems, Milano, Italy; Dentsply, Des Plaines, IL, USA) images was made of size 10 and 15 endodontic files in upper and lower (pre)molars. Three forms of image were created: (a) the original images, (b) reduced to one-half (containing one-quarter of the information of the original, and (c) zoomed-in, half-size images (magnification 2:1; original image size but with only one-quarter of the original information). Seven radiologists were asked to rate the position of the tip of the file, using a five-point confidence scale. ROC data were analysed by means of MANOVA statistics.
A significant difference was found between the three image modalities for both size 10 (P < 0.005), and size 15 (P < 0.021) files.
Reduction in size of digital images may cause less detectability as well as loss of diagnostic information. |
doi_str_mv | 10.1038/sj.dmfr.4600329 |
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A series of 100 Visualix III (Gendex Dental Systems, Milano, Italy; Dentsply, Des Plaines, IL, USA) images was made of size 10 and 15 endodontic files in upper and lower (pre)molars. Three forms of image were created: (a) the original images, (b) reduced to one-half (containing one-quarter of the information of the original, and (c) zoomed-in, half-size images (magnification 2:1; original image size but with only one-quarter of the original information). Seven radiologists were asked to rate the position of the tip of the file, using a five-point confidence scale. ROC data were analysed by means of MANOVA statistics.
A significant difference was found between the three image modalities for both size 10 (P < 0.005), and size 15 (P < 0.021) files.
Reduction in size of digital images may cause less detectability as well as loss of diagnostic information.</description><identifier>ISSN: 0250-832X</identifier><identifier>DOI: 10.1038/sj.dmfr.4600329</identifier><identifier>PMID: 9656873</identifier><language>eng</language><publisher>England</publisher><subject>Computer Peripherals ; Dental Instruments ; Dental Pulp Cavity - diagnostic imaging ; Dentistry ; Humans ; Microcomputers ; Multivariate Analysis ; Observer Variation ; Quality Control ; Radiographic Image Interpretation, Computer-Assisted ; Radiography, Dental, Digital - instrumentation ; Radiography, Dental, Digital - methods ; Radiography, Dental, Digital - standards ; ROC Curve</subject><ispartof>Dento-maxillo-facial radiology, 1998-03, Vol.27 (2), p.93-96</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c252t-965aa057e1fc39652d8b2f6145b45b032736c0fc40e727a0575711ef04326b733</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9656873$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Versteeg, C H</creatorcontrib><creatorcontrib>Sanderink, G C</creatorcontrib><creatorcontrib>Lobach, S R</creatorcontrib><creatorcontrib>van der Stelt, P F</creatorcontrib><title>Reduction in size of digital images: does it lead to less detectability or loss of diagnostic information?</title><title>Dento-maxillo-facial radiology</title><addtitle>Dentomaxillofac Radiol</addtitle><description>To analyse the effect of reduction in size of digital images on diagnostic outcome.
A series of 100 Visualix III (Gendex Dental Systems, Milano, Italy; Dentsply, Des Plaines, IL, USA) images was made of size 10 and 15 endodontic files in upper and lower (pre)molars. Three forms of image were created: (a) the original images, (b) reduced to one-half (containing one-quarter of the information of the original, and (c) zoomed-in, half-size images (magnification 2:1; original image size but with only one-quarter of the original information). Seven radiologists were asked to rate the position of the tip of the file, using a five-point confidence scale. ROC data were analysed by means of MANOVA statistics.
A significant difference was found between the three image modalities for both size 10 (P < 0.005), and size 15 (P < 0.021) files.
Reduction in size of digital images may cause less detectability as well as loss of diagnostic information.</description><subject>Computer Peripherals</subject><subject>Dental Instruments</subject><subject>Dental Pulp Cavity - diagnostic imaging</subject><subject>Dentistry</subject><subject>Humans</subject><subject>Microcomputers</subject><subject>Multivariate Analysis</subject><subject>Observer Variation</subject><subject>Quality Control</subject><subject>Radiographic Image Interpretation, Computer-Assisted</subject><subject>Radiography, Dental, Digital - instrumentation</subject><subject>Radiography, Dental, Digital - methods</subject><subject>Radiography, Dental, Digital - standards</subject><subject>ROC Curve</subject><issn>0250-832X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNotkM1LAzEQxXNQaq2ePQk5eduaTTbJrheR4hcUBFHwtmSTSUnJbuome6h_vakWBh4z_OYxbxC6KsmyJKy-jdul6e24rAQhjDYnaE4oJ0XN6NcZOo9xSwipGBczNGsEF7Vkc7R9BzPp5MKA3YCj-wEcLDZu45Ly2PVqA_EOmwARu4Q9KINTyBojNpBAJ9U579IehxH7kKd_22ozhJiczp42jL06-N9foFOrfITLoy7Q59Pjx-qlWL89v64e1oWmnKYin6YU4RJKq1luqKk7akVZ8S5XDiaZ0MTqioCk8kByWZZgczQqOsnYAt38--7G8D1BTG3vogbv1QBhiq1smobXdZPB6yM4dT2YdjfmvOO-PT6H_QJEZ2WC</recordid><startdate>19980301</startdate><enddate>19980301</enddate><creator>Versteeg, C H</creator><creator>Sanderink, G C</creator><creator>Lobach, S R</creator><creator>van der Stelt, P F</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>19980301</creationdate><title>Reduction in size of digital images: does it lead to less detectability or loss of diagnostic information?</title><author>Versteeg, C H ; Sanderink, G C ; Lobach, S R ; van der Stelt, P F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c252t-965aa057e1fc39652d8b2f6145b45b032736c0fc40e727a0575711ef04326b733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Computer Peripherals</topic><topic>Dental Instruments</topic><topic>Dental Pulp Cavity - diagnostic imaging</topic><topic>Dentistry</topic><topic>Humans</topic><topic>Microcomputers</topic><topic>Multivariate Analysis</topic><topic>Observer Variation</topic><topic>Quality Control</topic><topic>Radiographic Image Interpretation, Computer-Assisted</topic><topic>Radiography, Dental, Digital - instrumentation</topic><topic>Radiography, Dental, Digital - methods</topic><topic>Radiography, Dental, Digital - standards</topic><topic>ROC Curve</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Versteeg, C H</creatorcontrib><creatorcontrib>Sanderink, G C</creatorcontrib><creatorcontrib>Lobach, S R</creatorcontrib><creatorcontrib>van der Stelt, P F</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Dento-maxillo-facial radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Versteeg, C H</au><au>Sanderink, G C</au><au>Lobach, S R</au><au>van der Stelt, P F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduction in size of digital images: does it lead to less detectability or loss of diagnostic information?</atitle><jtitle>Dento-maxillo-facial radiology</jtitle><addtitle>Dentomaxillofac Radiol</addtitle><date>1998-03-01</date><risdate>1998</risdate><volume>27</volume><issue>2</issue><spage>93</spage><epage>96</epage><pages>93-96</pages><issn>0250-832X</issn><abstract>To analyse the effect of reduction in size of digital images on diagnostic outcome.
A series of 100 Visualix III (Gendex Dental Systems, Milano, Italy; Dentsply, Des Plaines, IL, USA) images was made of size 10 and 15 endodontic files in upper and lower (pre)molars. Three forms of image were created: (a) the original images, (b) reduced to one-half (containing one-quarter of the information of the original, and (c) zoomed-in, half-size images (magnification 2:1; original image size but with only one-quarter of the original information). Seven radiologists were asked to rate the position of the tip of the file, using a five-point confidence scale. ROC data were analysed by means of MANOVA statistics.
A significant difference was found between the three image modalities for both size 10 (P < 0.005), and size 15 (P < 0.021) files.
Reduction in size of digital images may cause less detectability as well as loss of diagnostic information.</abstract><cop>England</cop><pmid>9656873</pmid><doi>10.1038/sj.dmfr.4600329</doi><tpages>4</tpages></addata></record> |
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source | MEDLINE; Oxford University Press Journals All Titles (1996-Current) |
subjects | Computer Peripherals Dental Instruments Dental Pulp Cavity - diagnostic imaging Dentistry Humans Microcomputers Multivariate Analysis Observer Variation Quality Control Radiographic Image Interpretation, Computer-Assisted Radiography, Dental, Digital - instrumentation Radiography, Dental, Digital - methods Radiography, Dental, Digital - standards ROC Curve |
title | Reduction in size of digital images: does it lead to less detectability or loss of diagnostic information? |
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