Best Practice Manual for Digital Image Authentication - ENFSI-BPM-DI-3 - Issue 1 - 16.04.2021

Oct 22, 2026

Uploaded by OmBimo

Best Practice Manual for Digital Image Authentication (ENFSI-BPM-DI-03) presents ENFSI’s guidance to strengthen mutual trust through forensic harmonisation. 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.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages43

Reading Time1 h 48 min

AccessFree to download

Aims

Scope

Definitions and terms

Resources

Methods

Validation and estimation of uncertainty of measurement

Quality assurance

Handling items

Initial assessment

Prioritisation and sequence of examinations

Reconstruction

Evaluation and interpretation

Presentation of results

Health and safety

References

Amendments against previous version

Best Practice Manual for Digital Image Authentication ENFSI-BPM-DI-03 ENFSI’s position on Best Practice Manuals ENFSI 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. Visit [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) . European Union’s Internal Security Fund—Police This Best Practice Manual for Digital Image Authentication was funded by the European Union’s Internal Security Fund—Police. The 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.” Official language The text may be translated into other languages as required. The English language version remains the definitive version. Copyright The copyright of this text is held by ENFSI. The text may not be copied for resale. Further information For further information about this publication, contact the ENFSI Secretariat. Please check the website of ENFSI ([www.enfsi.eu](www.enfsi.eu)) for update information. | BEST PRACTICE MANUAL FOR DIGITAL IMAGE
AUTHENTICATION | | | | | --- | --- | --- | --- | | DOCUMENT TYPE:
BPM | REF. CODE:
BPM-DI-003 | ISSUE NO:
001 | ISSUE DATE:
16.04.2021 | CONTENTS 1. Aims............................................................................................................................................................ 1 2. Scope .......................................................................................................................................................... 1 3. Definitions and terms .................................................................................................................................2 4. Resources....................................................................................................................................................6 5. Methods .....................................................................................................................................................8 6. Validation and estimation of uncertainty of measurement.......................................................................27 7. Quality assurance ..................................................................................................................................... 29 8. Handling items .......................................................................................................................................... 30 9. Initial assessment ..................................................................................................................................... 31 10. Prioritisation and sequence of examinations ........................................................................................33 11. Reconstruction ..................................................................................................................................... 35 12. Evaluation and interpretation............................................................................................................... 36 13. Presentation of results.......................................................................................................................... 38 14. Health and safety.................................................................................................................................. 39 15. References .......................................................................

FAQs

What is the purpose of this Best Practice Manual for Digital Image Authentication?

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.

What does the scope of the manual cover for digital image authentication?

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.

Which analysis approaches are discussed in the manual?

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.

Oct 22, 2026

Uploaded by OmBimo