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Human-Robots Interaction by Facial Expression Recognition ZEKHNINE Chérifa1,a, BERRACHED Nasr Eddine2 1,2University of Science and Technology of Oran Mohamed Boudiaf, PO Box 1505 El M’naouer 31 000, Oran, Algeria aelnfi@yahoo.fr Keywords: Facial Expression Recognition (FER), GVF Snake, MPEG-4 Description, Time Delay Neural Network (TDNN), Mobile and Arm Robot Abstract.
In the research done by Ju and Kim [2] and Faria et al. [3], numerous systems were proposed to control a robot or a wheelchair using head or face movement.
GVF Snake Kass and al. [15] have introduced the active contours or snakes.
Semi-Automatic Initialization of GVF Snake The initialization procedure of the snake was automated by a geometric shape (ellipsis) that corresponds in its shape to the region of interest (eyes, eyebrow and mouth), in order to solve the problem of choosing the number of initial snake points in the classical algorithm proposed by Kass et al, (see Fig. 1).

The chemical composition of WTS is mainly silica (Si), alumina (Al), and calcium (Ca), meaning it can be used in place of fine aggregate in the production of construction materials.
Therefore, using a material containing a large amount of CaO, Si, and Al causes the mortar to swell due to the increase in ettringite crystals and results in the deterioration of the mortar.
Al-Abed: J.
El-Halim and H.E.

Fig. 7 shows that the TB decreases linearly with H2/3 at relatively higher fields, in good agreement with the theoretical and experimental results of El-Hilo et al. [60], Wenger and Mydosh [61] and Brown [62].
El-Hilo, K.

Kanada et al. [23] for instance described a real application of the column type, which turned out to be very effective in controlling both displacements and forces including uplift force of the foundation.
� � � ��HU R�'� VS� DFHPHQW �� �)RU FH� ��RVV�6W � I I QHVV™ 3HD��'HI RU P� � � � � �3HD��'� VS� DFHPHQW �� �)RU FH� �6W RU D�H�6W � I I QHVV™ 3HD��'HI RU P� � Note�Fd = Fa ua = u � � � � � � VISCOUS VISCO-EL� STEEL OIL ENERGY DISSIPATER ADDED COMPONENT SYSTEM ua u u u ua ua u d u d u d F F F F d u ua u d F F d F a F a F d F a F d F a Figure 5 Steady-State Responses of Energy Dissipaters, Added Components, and Systems for 4 Different Dampers and 3 Different Peak Deformations Performance Curves and Design Performance Curves Based on Storage Stiffness and Loss Stiffness: To date, design and performance prediction of passive control systems have typically been based on iterations involving extensive response time history analyses or equivalent static analyses using various types and sizes of dampers.
RATIO Rd FRAME ONLY K"d / Kf ηd (Kb / Kf = 10) VISCO-EL.

A useful analytical simulation of porous composite SOFC electrodes, which takes into account electronic and ionic transport, mass transport within pores, and electrochemical reactions, has been reported by Costamagna et al [18].
El-Khoury, D.
El-Koury, M.

Al-Amin, M.T.
El-Zehery, R.A.
El-Dougdoug, Novel strategies of essential oils, chitosan, and nano- chitosan for inhibition of multi-drug resistant: E. coli O157:H7 and Listeria monocytogenes, Saudi J Biol Sci 29(4) (2022) 2582-2590

Liwhuliwhe, et al. (2023).
El-Metwally, I.
El-Mahallawi, K.

Engel, T.R Calhoun, E.L.
[18] E.L.
Moore, A.L.

El Mouaden.
El Ibrahimi.
[14] A.L.

[15] Abd-Elhakeem Mohamed A, Badawy Ingy, El-Feky Said, Abdel Ghaffar Faten R, Abd-Elghafar Omar S, et al. (2015) Hepatotoxicity and nephrotoxicity of repeated oral administration of silver nanoparticles in rats.
[17] El Mahdy MM, Eldin TA, Aly HS, Mohammed FF, Shaalan MI (2015) Evaluation of hepatotoxic and genotoxic potential of silver nanoparticles in albino rats.