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It explains aims and scope of forensic authentication for digital image files, covering context, source, integrity, processing, and manipulation detection, from file seizure to court presentation. The manual defines core terms, outlines resources and methods, and includes validation, uncertainty estimation, quality assurance, handling, assessments, prioritisation, reconstruction, evaluation, reporting, health and safety, references, and amendments.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/best-practice-manual-for-digital-image-authentication-enfsi-bpm-di-3-issue-1-16042021/640249/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/best-practice-manual-for-digital-image-authentication-enfsi-bpm-di-3-issue-1-16042021/640249.png","ImageObject",300,407,{"name":92,"@type":93},"OmBimo","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the purpose of this Best Practice Manual for Digital Image Authentication?","Question",{"text":112,"@type":113},"It provides a framework for forensic procedures, quality principles, training processes, and approaches for image authentication. It aims to deliver reliable results and produce robust, comparable evidence across laboratories.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What does the scope of the manual cover for digital image authentication?",{"text":117,"@type":113},"It addresses the forensic process for authenticating digital image files, including context analysis, source analysis, integrity analysis, processing analysis, and manipulation detection. It covers the workflow from seizure to presenting results in court.",{"name":119,"@type":110,"acceptedAnswer":120},"Which analysis approaches are discussed in the manual?",{"text":121,"@type":113},"The manual discusses context analysis and multiple analysis methods, including auxiliary data analysis and image content analysis. These can be performed via algorithmic methods or visual inspection.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},640249,1793147955,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},962090893581,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Best Practice Manual for Digital Image Authentication  \nENFSI-BPM-DI-03  \nENFSI’s position on Best Practice Manuals  \nENFSI wishes to promote the improvement of mutual trust by encouraging forensic harmonisation through the development and use of Best Practice Manuals. Furthermore, ENFSI encourages sharing Best Practice Manuals with the whole Forensic Science Community which also includes non ENFSI Members.  \nVisit [www.enfsi.eu/documents/bylaws](www.enfsi.eu/documents/bylaws) for more information. It includes the ENFSI policy document Policy on Creation of Best Practice Manuals within ENFSI (code: QCC-BPM-001) .  \nEuropean Union’s Internal Security Fund—Police  \nThis Best Practice Manual for Digital Image Authentication was funded by the European Union’s Internal Security Fund—Police.  \nThe content of this Best Practice Manual for Digital Image Authentication represents the views of the authors only and is (his/her) sole responsibility. The European Commission does not accept any responsibility for use that may be made of the information it contains.”  \nOfficial language  \nThe text may be translated into other languages as required. The English language version remains the definitive version.  \nCopyright  \nThe copyright of this text is held by ENFSI. The text may not be copied for resale.  \nFurther information  \nFor further information about this publication, contact the ENFSI Secretariat. Please check the website of ENFSI ([www.enfsi.eu](www.enfsi.eu)) for update information.  \n\n| BEST PRACTICE MANUAL FOR DIGITAL IMAGE\u003Cbr>AUTHENTICATION |  |  |  |\n| --- | --- | --- | --- |\n| DOCUMENT TYPE:\u003Cbr>BPM | REF. CODE:\u003Cbr>BPM-DI-003 | ISSUE NO:\u003Cbr>001 | ISSUE DATE:\u003Cbr>16.04.2021 |\n\nCONTENTS  \n1. Aims............................................................................................................................................................ 1  \n2. Scope .......................................................................................................................................................... 1  \n3. Definitions and terms .................................................................................................................................2  \n4. Resources....................................................................................................................................................6  \n5. Methods .....................................................................................................................................................8  \n6. Validation and estimation of uncertainty of measurement.......................................................................27  \n7. Quality assurance ..................................................................................................................................... 29  \n8. Handling items .......................................................................................................................................... 30  \n9. Initial assessment ..................................................................................................................................... 31  \n10. Prioritisation and sequence of examinations ........................................................................................33  \n11. Reconstruction ..................................................................................................................................... 35  \n12. Evaluation and interpretation............................................................................................................... 36  \n13. Presentation of results.......................................................................................................................... 38  \n14. Health and safety.................................................................................................................................. 39  \n15. References .......................................................................","cbCaikgcWHSypjVB","https://ap.wps.com/l/cbCaikgcWHSypjVB","pdf",1059059,43,"English","# Aims\n# Scope\n# Definitions and terms\n# Resources\n# Methods\n# Validation and estimation of uncertainty of measurement\n# Quality assurance\n# Handling items\n# Initial assessment\n# Prioritisation and sequence of examinations\n# Reconstruction\n# Evaluation and interpretation\n# Presentation of results\n# Health and safety\n# References\n# Amendments against previous version","[{\"question\":\"What is the purpose of this Best Practice Manual for Digital Image Authentication?\",\"answer\":\"It provides a framework for forensic procedures, quality principles, training processes, and approaches for image authentication. It aims to deliver reliable results and produce robust, comparable evidence across laboratories.\"},{\"question\":\"What does the scope of the manual cover for digital image authentication?\",\"answer\":\"It addresses the forensic process for authenticating digital image files, including context analysis, source analysis, integrity analysis, processing analysis, and manipulation detection. It covers the workflow from seizure to presenting results in court.\"},{\"question\":\"Which analysis approaches are discussed in the manual?\",\"answer\":\"The manual discusses context analysis and multiple analysis methods, including auxiliary data analysis and image content analysis. These can be performed via algorithmic methods or visual inspection.\"}]","Best Practice Manual for Digital Image Authentication - ENFSI-BPM-DI-3 - Issue 1 - 16.04.2021 | PDF",1792708226,108]