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https://dx.doi.org/10.60692/r6...
Other literature type . 2016
Data sources: Datacite
https://dx.doi.org/10.60692/bt...
Other literature type . 2016
Data sources: Datacite
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Secure High Dynamic Range Images

صور آمنة عالية النطاق الديناميكي
Authors: Med Amine; Noureddine Ellouze;

Secure High Dynamic Range Images

Abstract

Dans cet article, un algorithme de cartographie de tonalité est proposé pour produire des images LDR (Limited Dynamic Range) à partir d'images HDR (High Dynamic Range). Dans l'approche, des fonctions non linéaires sont appliquées pour compresser la plage dynamique des images HDR. Des outils de sécurité seront ensuite appliqués aux images LDR résultantes et leur efficacité sera testée sur les images HDR reconstruites. Trois exemples spécifiques d'outils de sécurité sont décrits plus en détail : la vérification d'intégrité à l'aide de la fonction de hachage pour calculer les signatures numériques locales, le cryptage pour la confidentialité et la technique de brouillage.

En este documento, se propone un algoritmo de mapeo de tonos para producir imágenes LDR (rango dinámico limitado) a partir de imágenes HDR (alto rango dinámico). En el enfoque, se aplican funciones no lineales para comprimir el rango dinámico de las imágenes HDR. Las herramientas de seguridad se aplicarán a las imágenes LDR resultantes y su efectividad se probará en las imágenes HDR reconstruidas. Se describen tres ejemplos específicos de herramientas de seguridad con más detalle: verificación de integridad utilizando la función hash para calcular firmas digitales locales, cifrado para confidencialidad y técnica de cifrado.

In this paper, a tone mapping algorithm is proposed to produce LDR (Limited Dynamic Range) images from HDR (High Dynamic Range) images.In the approach, nonlinear functions are applied to compress the dynamic range of HDR images.Security tools will be then applied to the resulting LDR images and their effectiveness will be tested on the reconstructed HDR images.Three specific examples of security tools are described in more details: integrity verification using hash function to compute local digital signatures, encryption for confidentiality, and scrambling technique.

في هذه الورقة، يتم اقتراح خوارزمية تخطيط النغمة لإنتاج صور LDR (النطاق الديناميكي المحدود) من صور HDR (النطاق الديناميكي العالي). في هذا النهج، يتم تطبيق وظائف غير خطية لضغط النطاق الديناميكي لصور HDR. سيتم بعد ذلك تطبيق أدوات الأمان على صور LDR الناتجة وسيتم اختبار فعاليتها على صور HDR المعاد بناؤها. يتم وصف ثلاثة أمثلة محددة لأدوات الأمان بمزيد من التفاصيل: التحقق من السلامة باستخدام وظيفة التجزئة لحساب التوقيعات الرقمية المحلية، والتشفير للسرية، وتقنية التشويش.

Related Organizations
Keywords

Composite material, Artificial intelligence, Encryption, Robust Hashing, Range (aeronautics), Computer security, High dynamic range, Image (mathematics), Image Compression Techniques and Standards, Image Enhancement Techniques, Dynamic range, Digital Image Watermarking Techniques, Computer graphics (images), High Dynamic Range, Computer science, Materials science, Tone mapping, Scrambling, Algorithm, Image Authentication, Computer Science, Physical Sciences, Hash function, Computer vision, Computer Vision and Pattern Recognition, Low-Light Enhancement, Single Image Restoration

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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