Sep 2026· Zenodo (CERN European Organization for Nuclear Research)
Abstract
MATLAB implementation of a biometric-driven color image encryption algorithm. Cryptographic keys are derived from graph-based topological features of palmprint minutiae, extracted with StructuralGT (an external tool, not included in this archive), and used as control parameters of a hybrid 2D Hénon and 2D Lemniscate chaotic map system. The encryption pipeline combines bidirectional cross-channel diffusion, sorting-based chaotic permutation, and bit-level chain diffusion. The archive contains: key-generation, encryption/decryption, and performance-analysis scripts (including NPCR/UACI differential analysis and timing); example minutiae coordinates from a public BMPD sample. Test images are not redistributed; download links are provided in the README. Requirements: MATLAB with the Image Processing Toolbox. See the README for the order in which to run the scripts. This software accompanies the manuscript submitted to Scientific Reports.
This publication proposes a definition and a classification of agile software development approaches and analyses ten software development methods that can be characterized as being "agile" against the defined criterion.
P. Abrahamsson, O. Salo, Jussi Ronkainen et al.· arXiv.org· 727 citations· ⚡54
The study shows that agile practices improve both informal and formal communication, but indicates that, in larger development situations involving multiple external stakeholders, a mismatch of adequate communication mechanisms can sometimes even hinder the communication.
M. Pikkarainen, Jukka Haikara, O. Salo et al.· Empirical Software Engineeri...· 401 citations· ⚡48
The results indicate that software engineering work practices are chosen opportunistically, adapted and configured to provide value under the constrains imposed by the startup context.
Nicolò Paternoster, Carmine Giardino, M. Unterkalmsteiner et al.· Information and Software Tec...· 394 citations· ⚡54
The results show that the embedded industry has been able to apply agile methods in its development processes and that the appreciation of the agile methods and their individual practices appears to increase once adopted and applied in practice.
O. Salo, P. Abrahamsson· IET Software· 238 citations· ⚡9
Consequences of happiness and unhappiness that are beneficial and detrimental for developers' mental well-being, the software development process, and the produced artifacts are found.
D. Graziotin, Fabian Fagerholm, Xiaofeng Wang et al.· Journal of Systems and Softw...· 236 citations· ⚡13
The Mobile-D approach is briefly outlined here and the experiences gained from four case studies are discussed, which helped develop an agile development approach for mobile application development.
P. Abrahamsson, Antti Hanhineva, H. Hulkko et al.· Conference on Object-Oriente...· 225 citations· ⚡18
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