Research explorer tool

42 results

Energy demand prediction through novel random neural network predictor for large non-domestic buildings

Conference Proceeding
Ahmad, J., Larijani, H., Emmanuel, R., Mannion, M., Javed, A., & Phillipson, M. (2017)
Energy demand prediction through novel random neural network predictor for large non-domestic buildings. In 2017 Annual IEEE International Systems Conference (SysCon)https://doi.org/10.1109/syscon.2017.7934803
Buildings are among the largest consumers of energy in the world. In developed countries, buildings currently consumes 40% of the total energy and 51% of total electricity con...

A novel image encryption scheme based on orthogonal matrix, skew tent map, and XOR operation

Journal Article
Ahmad, J., Khan, M. A., Ahmed, F., & Khan, J. S. (2018)
A novel image encryption scheme based on orthogonal matrix, skew tent map, and XOR operation. Neural Computing and Applications, 30(12), 3847-3857. https://doi.org/10.1007/s00521-017-2970-3
Content protection is considered as an important issue in today’s world. Therefore, encryption of such contents is a challenging task for researchers. They are focusing on pro...

An efficient and secure partial image encryption for wireless multimedia sensor networks using discrete wavelet transform, chaotic maps and substitution box

Journal Article
Khan, M. A., Ahmad, J., Javaid, Q., & Saqib, N. A. (2017)
An efficient and secure partial image encryption for wireless multimedia sensor networks using discrete wavelet transform, chaotic maps and substitution box. Journal of Modern Optics, 64(5), 531-540. https://doi.org/10.1080/09500340.2016.1246680
Wireless Sensor Networks (WSN) is widely deployed in monitoring of some physical activity and/or environmental conditions. Data gathered from WSN is transmitted via network to...

TD-ERCS map-based confusion and diffusion of autocorrelated data

Journal Article
Khan, J. S., Ahmad, J., & Khan, M. A. (2017)
TD-ERCS map-based confusion and diffusion of autocorrelated data. Nonlinear Dynamics, 87(1), 93-107. https://doi.org/10.1007/s11071-016-3028-2
In this article, we proposed a new scheme to encrypt highly autocorrelated image pixel data. In existing literature, single substitution was used to break autocorrelation in i...

A compression sensing and noise-tolerant image encryption scheme based on chaotic maps and orthogonal matrices

Journal Article
Ahmad, J., Khan, M. A., Hwang, S. O., & Khan, J. S. (2016)
A compression sensing and noise-tolerant image encryption scheme based on chaotic maps and orthogonal matrices. Neural Computing and Applications, 28(S1), 953-967. https://doi.org/10.1007/s00521-016-2405-6
With the evolution of technologies, the size of an image data has been significantly increased. However, traditional image encryption schemes cannot handle the emerging proble...

A New Image Encryption Scheme Based on Dynamic S-Boxes and Chaotic Maps

Journal Article
Rehman, A. U., Khan, J. S., Ahmad, J., & Hwang, S. O. (2016)
A New Image Encryption Scheme Based on Dynamic S-Boxes and Chaotic Maps. 3D research, 7(1), https://doi.org/10.1007/s13319-016-0084-9
Substitution box is a unique and nonlinear core component of block ciphers. A better designing technique of substitution box can boost up the quality of ciphertexts. In this p...

A new chaos-based secure image encryption scheme using multiple substitution boxes

Conference Proceeding
Khan, J. S., ur Rehman, A., Ahmad, J., & Habib, Z. (2015)
A new chaos-based secure image encryption scheme using multiple substitution boxes. In 2015 Conference on Information Assurance and Cyber Security (CIACS)https://doi.org/10.1109/ciacs.2015.7395561
Due to development in Internet and networking technology, multimedia data is broadly transmitted via wired and wireless medium. Thus security is a major concern in modern comm...

A secure image encryption scheme based on chaotic maps and affine transformation

Journal Article
Ahmad, J., & Hwang, S. O. (2016)
A secure image encryption scheme based on chaotic maps and affine transformation. Multimedia Tools and Applications, 75(21), 13951-13976. https://doi.org/10.1007/s11042-015-2973-y
Due to the interesting nonlinear dynamic properties of chaotic maps, recently chaos-based encryption algorithms have gained much attention in cryptographic communities. Howeve...

Chaos-based diffusion for highly autocorrelated data in encryption algorithms

Journal Article
Ahmad, J., & Hwang, S. O. (2015)
Chaos-based diffusion for highly autocorrelated data in encryption algorithms. Nonlinear Dynamics, 82(4), 1839-1850. https://doi.org/10.1007/s11071-015-2281-0
In a single substitution box, the same regions (pixels) of an image are encrypted to one unique symbol. To reduce this type of autocorrelation in data, chaos has been extensiv...

An efficient image encryption scheme based on: Henon map, skew tent map and S-Box

Conference Proceeding
Khan, J., Ahmad, J., & Hwang, S. O. (2015)
An efficient image encryption scheme based on: Henon map, skew tent map and S-Box. In 2015 6th International Conference on Modeling, Simulation, and Applied Optimization (ICMSAO)https://doi.org/10.1109/ICMSAO.2015.7152261
Due to easy and simple implementation, normally single 1-D chaotic maps like logistic and sine maps are employed in multimedia data encryption. However, data encrypted through...

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