Details

Autor(en) / Beteiligte

• Prajwalasimha, S. N.
• Srikantaiah, K. C
• Krishna, A. N
• Naveena, C
• Srikantaiah, K.C.
• Krishna, A.N.

Titel

Pseudo-Hadamard Transformation-Based Image Encryption Scheme

Ist Teil von

• Integrated Intelligent Computing, Communication and Security, 2019, Vol.771, p.575-583

Ort / Verlag

Singapore: Springer Singapore Pte. Limited

Erscheinungsjahr

2019

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• In this chapter, a pseudo-Hadamard transform (PHT)-based image encryption technique has been proposed. Images are characterized by high interpixel redundancy. This can be varied in two phases: transformation and substitution. Correlation between adjacent pixels can be varied by the transformation phase. Pixel value variation can be made in the substitution phase. Encryption of some standard images has been done, and performance analysis is made based on correlation, entropy, mean square errors, number of pixel change rate (NPCR) and unified average changing intensity (UACI). The results obtained are comparatively better considering those of existing algorithms.