Compression of photographic images by the quaternion Wavelet transform associated with SPIHT coding and comparative study with wavelet transform von Bertrand Ledoux, Eloundou Ebassa, Aimé Joseph, Oyobe Okassa, Ndongo Hervé, Abena, Pierre, Ele

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Improvement of the energy production of a photovoltaic-wind hybrid system using NF-PSO MPPT von Abena Malobé, Paul, Djondiné, Philippe, Ntsama Eloundou, Pascal, Abena Ndongo, Hervé

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Hybrid Successive CFA Image Encryption-Watermarking Algorithm Based on the Quaternionic Wavelet Transform (QWT) von Ndongo, Hervé Abena, Vournone, Marcelin, Pouyap, Mireille, Ngakawa, Taya, Malobe, Paul Abena

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Assessment of Ground Water Vulnerability to Pollution in the City of Bafoussam, Western Region-Cameroon von Didier, Bah Ntutuwouo Gael, Nam-Yona-Gunte, Betare, Nkimih, Chop Leonard, Josiane, Kengne Tanguebou, Brice, Eselacha, Sylvie, Odi Nke Régine, Hervé, Abena Ndongo

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A Novel Hybrid MPPT for Wind Energy Conversion Systems Operating under Low Variations in Wind Speed von Malobe, Paul Abena, Djondine, Philippe, Eloundou, Pascal Ntsama, Ndongo, Hervé Abena

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