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A survey of Digital Holography (DH) and its employment in different application fields is provided. This paper reviews the main principles of the DH ...
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Mar 15, 2019 · A survey of Digital Holography (DH) and its employment in different application fields is provided. This paper reviews the main principles ...
Securing information by use of digital holography - Optica Publishing Group
opg.optica.org › abstract
An information security method that uses a digital holographic technique is presented. An encrypted image is stored as a digital hologram.
Security holograms are designed to combat counterfeiting. Their unique optical properties to diffract light and create virtual 3D effects are impossible to ...
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Abstract. A survey of Digital Holography (DH) and its employment in different application fields is provided. This paper reviews the main.
Jun 21, 2024 · Security holograms serve as a potent tool against counterfeiting, offering unparalleled protection and authentication benefits.
Mar 24, 2022 · The method consists of recording an extra computer-generated micro-hologram containing a hidden coded image with individual data in a small area ...
Use of Computer-Generated Holograms in Security ... - NASA ADS
ui.adsabs.harvard.edu › abs › abstract
The article discusses the use of computer-generated holograms (CGHs) for the application as one of the security features in the relief-phase protective ...
Aug 26, 2022 · New optical and digital developments are reshaping the role and nature of holograms in document and ID security.
Holography has a wide range of applications in medicine, the military, weather forecasting, virtual reality, digital art, and security. The fourth ...