A wavelet based image watermarking scheme with a CDMA/Hadamard embedding technique. - Elijah Mwangi (ISSPA, 2007)

A colour image watermarking technique resistant to affine geometric attacks. - Felix O. Owalla; Elijah Mwangi (AFRICON, 2013)

A fast procedure for acquisition and reconstruction of magnetic resonance images using compressive sampling. - Henry Kiragu; George Kamucha; Elijah Mwangi (AFRICON, 2015)

A pentomino-based path inspired demosaicking technique for the bayer color filter array. - Kinyua Wachira; Elijah Mwangi; Gwanggil Jeon (AFRICON, 2015)

A robust video watermarking approach based on a hybrid SVD/DWT technique. - Vincent Adul; Elijah Mwangi (AFRICON, 2017)

Effect of OFDM signal structure and subcarrier modulation on the reduction of the signal peak power. - Stephen Kiambi; Elijah Mwangi; George Kamucha (AFRICON, 2017)

An ordinal direction driven gradient-based RGBW CFA demosaicking technique using a bayerisation process and polyomino theory. - Kinyua Wachira; Elijah Mwangi; Gwanggil Jeon (AFRICON, 2017)

A hybrid MRI method based on denoised compressive sampling and detection of dominant coefficients. - Henry Kiragu; Elijah Mwangi; George Kamucha (DSP, 2017)

Pilot Reuse Factor with Large Scale Fading Precoding for Massive MIMO. - Tedros Salih; Elijah Mwangi; Kibet Langat (CoRR, 2017)

A Robust Compressive Sampling Method for MR Images Based on Partial Scanning and Apodization. - Henry Kiragu; Elijah Mwangi; George Kamucha (ISSPIT, 2018)

Use of Preset Reserved Tones in Reduction of PAPR in OFDM Systems. - Stephen Kiambi; Elijah Mwangi; George Kamucha (AFRICON, 2019)

Assessment of the Interference effects from Land Earth Stations in Motion to Fixed Service Stations. - Samuel Kwamena Menanor; Elijah Mwangi; George Kamucha (AFRICON, 2019)

PAPR Reduction in MIMO-OFDM Systems Using Low- Complexity Additive Signal Mixing. - Stephen Kiambi; Elijah Mwangi; George Kamucha (J. Commun., 2021)

Minimizing the PAPR for FBMC/OQAM Signals Using Enhanced-PTS with Low Complexity Search. - Mahaman Noura Issaka Ango; Elijah Mwangi; Moctar Mossi Idrissa (J. Commun., 2022)

An Image-Set of Coffee Berries for CNN Classification. - Boniface M. Ngocho; Elijah Mwangi; George Kamucha; Gwanggil Jeon (AFRICON, 2023)

Current Biases and Future Research Avenues for Archive Image Colourisation. - Kinyua Wachira; Elijah Mwangi; Heywood Ouma Absaloms; Gwanggil Jeon (AFRICON, 2023)

Tertiary Education Integrity in a ChatGPT Conscious World: Preliminary Kenyan Observations. - Kinyua Wachira; Lydiah Njoki Wachira; Elijah Mwangi; Heywood Ouma Absaloms; Gwanggil Jeon (AFRICON, 2023)

Connectivity Probability Analysis for VANETs with Big Vehicle Shadowing. - Kenneth Okello; Elijah Mwangi; Ahmed H. Abd El-Malek (ISNCC, 2023)

Coverage Optimization of Eureka Digital Sound Broadcasting Single Frequency Network Using Simulated Annealing and Particle Swarm Optimization. - Joseph Sospeter Salawa; Elijah Mwangi; Nerey Mvungi (J. Commun., 2023)

Optimizing UAV Location for Deployment in Cell-Free Massive MIMO Networks Using a Soft Actor-Critic Reinforcement Learning. - Kenneth Okello; Elijah Mwangi; Dominic Bernard Onyango Konditi (IEEE Access, 2025)