LESIA

2015

  • Bitjoka L., Boukar O. Ngatchou A., Djaowe G., Banbe L. (2015). Fast objective identification of beans grains (Phaseolus vulgaris L.) varieties using CFA imaging compacity measurement, Journal of electrical and electronic engineering; 5, 1,1-5. DOI: 10.5923/j.eee.20150501.01
  • Wayang Senguel, Bitjoka Laurent, Gonza Mohaman, Donfack Bidias Omer, Ngako Brice Axcel (2015). Synthèse de la commande supervisée d’un système totalement modélisé par Grafcet basée sur l’algorithme de Kumar. Imhotep mathematical proceedings, 2, 1, 76-87.
  • Joseph Kessel Pompe, Camelia Stanciu, Haman–Djalo, Viorel Badescu, Beda Tibi: Modélisation thermodynamique d’un récepteur tubulaire pour concentrateurs solaires de type linéaire, International Journal of Scientific Research & Engineering Technology (IJSET), Vol.3-pp19-26, Copyright-IPCO 2015
  • Pascal Ntsama Eloundou, Moïse Manyol, « Crypto-compression d’image biomédicale basée sur la DCT et le RSA »,Ciência e Técnica Vitivinicola, ISSN:0254-0223 ; Vol. 30, N° 2, 2015 ; 257-266.










2014

  • Ngatchou A., Bitjoka L., Yemefack M., Boukar O. (2014). Quality Inspection of Bag Packaging Red Beans (Phaseolus vulgaris) using Fuzzy Clustering Algorithm, British journal of mathematics and computer sciences. 4, 24, 3369-3386.
  • Pene, A. D., Hartiti, B., Bitjoka, L., Thevenin, P. and Kapseu, C. (2014), Sol-gel deposited phosphorus and boron doped thin silica films for diffused n+p and n+pp+ structures. Phys. Status Solidi C. doi: 10.1002/pssc.201400060
  • Pene A. D., Hartiti B., Bitjoka L., Thevenin P., Kapseu C. (2014). Elaboration et Caractérisation des sources solides de diffusion sur silicium par la méthode sol-gel pour la réalisation de l'émetteur d'une cellule solaire. Afrique Science, 10, 3, 16-21.
  • Nkapkop J. D., Effa J. Y., Eyebe Fouda J. S. A., Alidou M., L. Bitjoka L., Borda M. (2014). Fast Image Encryption Algorithm Based on Chaotic Maps and the Linear Diophantine Equation. Computer science and applications; Vol. 1, No. 4, 232-243.
  • G. B. Tchaya, M. Kamta, C. Kapseu, Improvment of Indirect Solar Drayer with Forced Convection by Variation of Airflow Mode, // International Journal of Emerging Technology and Advanced Engineering (IJETAE), Vol. 4, No. 1, pp. 518-522, (2014).
  • Welba Colince, Ntsama Eloundou Pascal, Pierre Ele, “Exploitation of Differential Pulse Code Modulation for Compression of EMG Signals by a Combination of DWT and DCT”. American Journal of Biomedical Engineering 2014, 4(2): 25-32. DOI: 10.5923/j.ajbe.20140402.01; p-ISSN: 2163-1050, e-ISSN: 2163-1077
2013

  • Boukar O., Bitjoka L., Djaowé G. (2013). Nondestructive Determination of Beans Water Absorption Capacity using CFA Images Analysis for Hard-to-Cook Evaluation. International Journal of Electrical and Computer Engineering. 3 (3), 317-328.
  • Djaowé G., Bitjoka L., Boukar O., Libouga D.G., Waldogo B. (2013). Measurement of the rennet clotting time of milk by digital sequence images (2d+t) processing. Journal of Food Engineering. 114, 235-241.
  • A.D. Péné, L. Bitjoka, F. I. Barro, G.E. Nkeng, C. Kapseu, G. Sissoko (2013). Influence of magnetic field on the electrical parameter of a bifacial silicon solar cell frontside illuminated by a multispectral light under steady state. International Journal of Emerging Technology and Advanced Engineering, 3, 9, 19-23.
  • Ndjiya Ngasop, Haman–Djalo, Nso Emmanuel and Kayem Joseph: Power Control of an ultrasound generator Greener Journal of Science, Engineering and Tehnology Research ISSN: 2276-7835 vol.3(3), pp 082-087, February 2013
  • A. Yeremou Tamtsia and O.Tahri and Y. Mezouar and H. Djalo and E. Tonye: New Results image moments-based visual servoing. In IEEE International Conference on Robotics and Automation, Germany, may 6-10, 2013
  • Ndjiya Ngasop, Haman–Djalo, Nso Emmanuel and Kayem Joseph: Evaluation of the Real Power of Ultrasound Permitting the Homogenization of Guava Pulp, Asian Academic Research Journal of Multidisciplinary, vol.1, issue 11, July 2013
  • Haman–Djalo, Ndjiya Ngasop, Nso Emmanuel and Kayem Joseph: Etude et Réalisation d’un Onduleur Autonome à circuit de commande Mc Murray Bedford: une Approche de la Stabilisation de l’Energie solaire, International Journal of Innovation and Applied Studies, vol.3 no.2, pp 517-527, June 2013
  • Haman–Djalo, Njampou Philippe: GASSARA’s Model in the Follow-up of Peak Production of a Solar Panel by Controlling two Degrees of Freedom, Asian Academic Research Journal of Multi-Disciplinary, Year 2013, Volume -1, issue-16, December 2013
2012

  • Ngatchou A., Bitjoka L., BoukarOusman, Tonye E. (2012). Color and Texture Information Processing to Detect Development of Hard-to-Cook Bean, British Journal of Applied Science & Technology, 2 (2), 96-111.
  • Tchatchueng JB, Bitjoka L., Porte C. (2012). Emulsion stability and vegetable oil identification and adulteration, American journal of food technology, 7 (4), 230-237.
  • Aurelien Yeremou Tamtsia, Youcef Mezouar, Philippe Martinet, Haman - Djalo and Emmanuel Tonye: 2D Legendre Moments-Based Visual Control, Applied Mechanics and materials Volume 162 (2012) pp 487-496
  • Ndjiya Ngasop, Haman–Djalo, Nso Emmanuel and Kayem Joseph: A mechanical blender for homogenization of the pulps of guava, Greener Journal of Agricultural Sciences ISSN: 2276-7770 vol.2(4), pp 152-161, August 2012
  • M. KAMTA, A. DANDOUSSOU, An experiment-based approach for improving the photovoltaic power supply system performance by matching impedance, // International Review of Automatic Control (I.RE.A.CO.), Praise Worthy Prize, ISSN 1974-6059, Vol.5, No.5, pp.655-667, (2012).













2011

  • M. KAMTA, A. BOUSSAÏBO, B. LATE, F. T. TCHATCHUENG, G. J. KAYEM, Load parametersbased approach for improving the efficiency of photovoltaic water pumping system, // International Scientific Journal for Alternative Energy and Ecology, (ISJAEE), Scientific Technical Centre "TATA", ISSN 1608-8298, Vol. 101, No. 9. pp. 37-43, (2011).
2010

  • O. Hamandjoda, V.V. Volchanick, Haman–Djalo: Could Wind Energy be developed in some Northern Cameroon Regions? , International Scientific and Practical Journal of Alternative Energy, N°2(16), 2010, pp 20-23.
2008

  • Bitjoka L., Teguia J. B., Mbofung C. M. F. (2008). PC-based instrumentation system for the study of bean cooking kinetic. Journal of applied science, 8, 6, 1103-1107.
  • M. KAMTA, O. BERGOSSI, Factors affecting the valorization of photovoltaic water pumping projects for irrigation in the adamawa province (cameroon), // International Scientific Journal for Alternative Energy and Ecology, (ISJAEE), Scientific Technical Centre "TATA", ISSN 1608-8298, No.6 (62), pp. 49-52, (2008).
  • Libouga DG, Ngah E., Jiokap N Y, Bitjoka L. (2008). Clotting of cow (Bostaurus) and goat milk (Capra hircus) using calve and kid rennets, African Journal of Biotechnology, 7, 19, 3490–3496.
2007

  • Bitjoka L., Takougang NAC (2007). A sonar system modelled after spatial hearing and echolocating bats for blind mobility aid, International journal of physical sciences, 2, 4, 104-111.
  • Bitjoka L., Boukar Ousman (2007). Effect of the rotation matrix factorization on the quality of images rotation, International journal of physical sciences, 2, 4, 280-288.
  • Bitjoka L., Tchatchueng J.B., Libouga DG (2007). Measurement of the moisture content of the granulated sugar by infrared transphotometry, African Journal of Biotechnology, 6, 2, 120-122.
2005

  • Bitjoka L. (2005) Closed-loop frequency-response method for the determination of the gain margin and the phase margin of feedback systems, World multiconference on systemics, cybernetics and informatics Proceedings, International Institute of informatics and Systemics, PMB-115, 3956 Town Center Blvd. Orlando, Florida 32837, U.S.A., VII, 418-421.
  • Bitjoka L. (2005) Utilisation des aides techniques, vers une expérience camerounaise, XXXVIèmes Journées d'Etude ALFPHV (Association de Langue Française des Psychologues spécialisés pour Handicapés de la Vue), 13-15 juin 2005, Paris, France, 198-204.
2003

  • Haman–Djalo, Oumarou Hamandjoda, Damakoa Irépran: « Energie Solaire et Irrigation dans les Zones Arides du Cameroun Septentrional », Biosciences vol.9, 2003
2002

  • Libouga D.G., Womeni H.M., Bitjoka L. (2002) ; Extrait des écorces de l’Ongokeagore : protéolyse et conservation ; Journal of the Cameroonacademy of sciences ; 2, 2, 89-1
2000

  • Bitjoka L, Tchatchueng J.B. (2000) ; Etude et réalisation de capteurs d’humidité pour des applications agro-alimentaires ; International workshop on drying and improvement of shea and canarium ; Ngaoundéré, Cameroon, 1-3 december 1999 ; Ed .Kapseu C. & Kayem J ; 195-206.
1997

  • 44- Haman–Djalo, C. Perpère, Béda Tibi, Damakoa Irépran: « Optimisation du temps de contrôle d’un robot mobile autonome par micro contrôleur », Mécanique Industrielle et Matériaux, Vol. 50 – N° 4, Novembre 1997


1993

  • Bitjoka L., Roncin A ,Pourcelot L. (1994) ; La localisation spatiale par effet Doppler ultrasonore ; Journal de physique, IV, 1225-1228.
  • Trajectories optimization by environment acquisition for autonomous mobile robots Devie, F.; Dupourque, V.; Djalo, H.; Vabre, J.P. IEEE-CompEuro apos;93. apos;Computers in Design, Manufacturing, and Production apos, Proceedings. Volume , Issue , 24-27 May 1993 Page(s):471 - 477
1999

  • Bitjoka L., Pourcelot L (1999) ; New blind mobility aid devices based on the ultrasonic Doppler effect ; International journal of rehabilitation research ; 22, 227-231.
  • Bitjoka L, Tchatchueng J.B., Mbofung C.M. (1999) ; Une nouvelle méthode de mesure du taux d’humidité du sucre basée sur le rayonnement infrarouge; Biosciences proceedings, 6, 181-187.
  • Haman–Djalo, Béda Tibi, Damakoa Irépran: « Intégration en robotique mobile : Hamid, une Application à l’Handicap Moteur ou à la « Malvoyance », Mécanique Industrielle et Matériaux Vol. 52 – N° 4, Décembre 1999




1991


  • Genin J., Chouard C.H., Meyer B., Mellah A., Bitjoka L., Secqueville T. (1991) ; Présentation d’une prothèse auditive 16 filtres à amplification et compression sélectives ; Annales d’Oto-rhino-laryngologie, 108, 212-218

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