Protected: ASQDE 2021 Pressure Calibration Workshop: Signature #2 Solutions


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2nd International Conference On Forensic Research And Toxicology


Last week mr. Niko Kalantzis presented at the 2nd International Conference on Forensic Research & Toxicology. He presented his work on the study of Digitally Captured Signatures & the Zeta Function in a presentation with the title “An in-depth exploration of Pressure measurements and Force recording factors in EMR technology digitizers”.

Also, in collaboration with Data Protection Officer Xanthippi Zotali & Clinical Psychologist Katerina Poprelka, Niko co-presented two more presentations, that can be found on the following video:

The video starts with the presentation “Data Protection and Privacy Considerations for Digitally Captured Signature Collection within a Forensic Laboratory” and then at 23:35 we continue with the presentation “Use of 3rd party EMR styli for Digitally Captured Signature execution: a study of the LAMY Al-star black EMR stylus”.



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Thomas Hecker’s Signalyzer App for iOS


This is a short presentation of the IOS app Forensic Signalyzer, used to capture and visualize Biometric Signatures using an iPad PRO.

The Forensic Signalyzer designed by Forensic Handwriting Expert Thomas Hecker, allows exporting of the Biometric Signature in image format, exporting of the biometric data in simple .csv format but also in a .csv format compatible with Namirial’s FirmaCertaForensic allowing importing and further analysis on that platform.

You can find the app here:

ASFDE 2021 Annual Scientific Meeting


The Annual Scientific Meeting of the Australasian Society of Forensic Document Examiners (ASFDE) is taking place on the 24-28 of May, 2021.

Our Institute manager & examiner mr. Niko Kalantzis will be delivering 3 presentations and in collaboration with Jan Zimmer from Zeus Lab, Prague, a 2 hour workshop on Digitally Captured Signature Analysis.

You can register for the conference here:

Niko is speaking at:

Connecting Envelope & Contents through ESDA ExaminationMay 24, 202110:00 am-10:20 am

Pressure measurements in DCS: a study of Wacom STU530 & STU540 digitizers (with a twist)May 24, 202111:20 am-11:40 am

Using DCS Samples for Traditional Liquid Ink Signatures: The Wacom ClipboardMay 25, 20213:00 pm-3:20 pm

Digitally Captured Signatures – Part 1May 26, 202110:30 am-12:00 pm

Digitally Captured Signatures – Part 2May 26, 20211:00 pm-2:30 pm



Campus Forense organiza y certifica el primer curso de Análisis Forense de Firmas Capturadas Digitalmente con Nikolaos Kalantzis (Grecia).
Exclusivo para expertos de Latinoamérica y España.
Formación de primer nivel.


Las firmas manuscritas siguen empleándose en nuestra vida diaria, ya sea para el registro de transacciones comerciales como para actos cotidianos. En los últimos años, la digitalización de numerosos procedimientos administrativos y comerciales ha ampliado la vida y uso de la firma manuscrita, ya no en un registro en papel sino en un formato digital. Así, es habitual que nos encontremos firmando en pads digitales con nuestro dedo o con bolígrafos especiales.

Con estos nuevos formatos aparecen nuevos problemas periciales que necesitan de profesionales capacitados y entrenados específicamente en este campo de trabajo emergente. ¿Es lo mismo peritar firmas manuscritas en tinta y papel que firmas capturadas digitalmente?, ¿se pueden cotejar unas con otras?, ¿se pueden cotejar firmas capturadas digitalmente con diferentes software y hardware?, ¿cómo se puede normalizar y cotejar información biométrica de firmas capturadas digitalmente con diferentes software y hardware?, ¿qué es una firma digital original? Estas son algunas de las preguntas que nos hacemos los peritos ante el nuevo desafío forense que involucran las firmas capturadas digitalmente.

Uno de los objetivos de este curso es formar los primeros expertos con competencias forenses para el análisis de firmas capturadas digitalmente. Otro, que estos expertos puedan brindar asesoramiento a empresas y organismos gubernamentales en la adquisición de software y hardware con la sensibilidad y robustez suficiente para minimizar la posibilidad del fraude documental con estas nuevas herramientas digitales



We are very happy to announce the publication of the 3rd version of the Best Practice Manual for the Forensic Examination of Handwriting of the European Network of Forensic Handwriting Experts (ENFHEX) – a part of the European Network of Forensic Science Institutes (ENFSI).

Mr. Niko Kalantzis, as a member of the Steering Committee of ENFHEX as well as a member of the STEFA Group 8 responsible for Appendix no. 5, contributed actively to the review and writing of this document.

The 3rd version of the BPM includes Appendix no. 5 which deals with the determination of authenticity of Biometric Signatures (eSignatures, Digitally Captured Signatures), which constitutes the first presentation of an analytical methodology for these new types of signatures.

The 3rd version of the Best Practice Manual for the Forensic Examination of Handwriting is an official document & can be freely downloaded here:

Εισαγωγή στις Βιομετρικές υπογραφές ως αντικείμενο της Δικαστικής Γραφολογίας


Μία σύντομη εισαγωγή στις έννοιες των βιομετρικών υπογραφών από τη σκοπιά της Δικαστικής Γραφολογίας.

Α discussion on eSignature technology & its application


A short video introducing the eSignatures (a.k.a. biometric signatures or Digitally Captured Signatures) & their importance. This video focuses more on the similarities of eSignatures to traditional pen & paper signatures from the aspects of usability, legality & safety. You can check our Connected Ink presentations for a more technical introduction to eSignatures here:

73rd Annual Scientific Meeting of the American Academy of Forensic Sciences


The 73rd Annual Meeting of the American Academy of Forensic Sciences (AAFS) was successfully completed – it took place on the 15-19 February 2021.

Chartoularios Institute was represented by Niko Kalantzis & Dr. Michael Pertsinakis, with a total of 4 presentations and a 4 hour workshop on Digitally Captured Signatures.

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Workshop W1: Niko Kalantzis: A Complete Introduction to Digitally Captured Signatures (DCS) and a Tutorial for Namirial’s Firma Certa Forensic Analysis Tool

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Presentation: Niko Kalantzis: The Use of Digitally Captured Signature (DCS) Technology in Everyday Casework
Presentation: Niko Kalantzis: Normalization and Comparability of Digitally Captured Signatures (DCS)

Presentation: Michael Pertsinakis; Niko Kalantzis: In-Air Trajectories (IATs): Applications of an Emerging Handwriting Characteristic
Presentation: Tomasz Dziedzic; Niko Kalantzis: A Best Practice Manual for Forensic Examination of Digitally Captured Signatures (DCS)

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