Global agricultural production, in particular, is of increasing concern to the major international organizations charge nutrition. The rising demand for food globally due unprecedented population growth has led insecurity some populated regions such as Africa. Another contributing factor global climate change and its variability. World African production particular are Food Program reported that high worldwide, especially Africa recent years, leading increased security. Moreover, farmers...

Food security has become a real challenge for some organizations in charge of the food program and majority countries, especially African countries. The United Nations Organizations’ recently defined end hunger improvement 2030 as its primary goal. Improving could also pass through handling agricultural yield. Agricultural yield is affected by climate changes since this latest decade. Climate change considered one major threats to development Africa. Decision-making level farmers need...

We report on the potential of combining Structured Laser Illumination Planar Imaging (SLIPI) technique and optical spectroscopy for characterizing scattering absorbing liquids. Water solutions milk coffee were investigated at 10 different turbidity levels. The SLIPI eliminates light intensity contributions from multiply scattered photons in these solutions, enabling accurate reliable measurements their extinction coefficients . Optical spectroscopy, other hand, provides complementary...

The accuracy, reliability, speed and cost of the methods used for malaria diagnosis are key to diseases' treatment eventual eradication. However, improvement in any one these requirements can lead deterioration rest due their interdependence. We propose an optical method that provides fast detection malaria-infected red blood cells (RBCs) at a lower cost. is based on combination deconvolution, topography three-dimensional (3D) refractive index reconstruction RBCs by use transport intensity...

World and African agricultural production, in particular, are of increasing concern to the major international organizations charge nutrition. The Food Programme has reported that high population growth worldwide Africa particular recent years is leading increased food security. Moreover, farmers decision-makers need advanced tools help them make quick decisions will impact quality yields. A great phenomenon climate change been observed last decades around world. An this on production....

Acquisition of entomological data with high-frequency lidar is an emerging research field in rapid development. The technique offers very high numbers observations per time unit, suitable for statistical models. In this work, we use a near-infrared Scheimpflug sampling frequency 3.5 kHz to assess the activity free flying organisms. In-situ measurements were done during rainy season Ivory Coast, and hierarchical cluster analysis was used quantify amount unique modulation signatures. Here...

Spectral imaging and lidar methods for the characterization of vegetation are vital understanding plants and, in turn, food security, biodiversity, health a changing climate. While novel hyperspectral imaging, canopy lidar,and solar-induced fluorescence provide details on species, state, structure, plant physiology, such data come from different instruments. Thus, post-processing fusion struggles with synchronization, spatial overlap, resolution issues. Especially tropical regions...

We report an accurate optical differentiation technique between healthy and malaria-infected erythrocytes by quasi-simultaneous measurements of transmittance, reflectance, scattering properties unstained blood smears using a multispectral multimode light-emitting diode microscope. propose for automated imaging, identification, counting real-time cost-effective parasitaemia diagnosis as effective alternative to the manual screening stained smears, now considered be gold standard in malaria...

Computational fluid dynamic and experimental approaches have been compared in the prediction of reaction performance preparation a pharmaceutical intermediate.

A comparison between the commonly used absorption spectrophotometry and a more recent approach known as structured laser illumination planar imaging (SLIPI) is presented for characterization of scattering absorbing liquids. Water solutions milk coffee are, respectively, investigated 10 different levels turbidity. For solutions, dominant process, while have high level absorption. Measurements extinction coefficient are performed at both λ=450 nm λ=638 ratio their values has been extracted. We...

Minimizing insecticide use, preventing vector diseases and facilitating biodiversity assessments are suitable applications of recent advances in photonic insect surveillance entomological lidar. The tools also comprise a new window into fundamental aspect the fascinating life ecology insects their predators situ. At same time, it is evident that lidars subject to finite detection range given by instrument noise saturation levels, therefore, intervals biomass spectra sectioned at different...

Abstract Influence of the light spectrum on growth, development, and nutrients contents okra was studied by growing ( Abelmoschus esculentus L.) under three different LED-based irradiations defined their peak wavelength at 455.45 ± 1.80 nm (B 455 ), 522.27 1.46 (G 522 635.03 1.33 (R 635 respectively in blue, green, red regions visible spectrum. The photosynthetic photon flux density (PPFD) 200 μmol m −2 s −1 provided LEDs for 18 h daily. Leaves macronutrients micronutrients concentration...

Summary This paper describes an application of both multispectral imaging system and multivariate analysis for the discrimination between healthy prior malaria‐infected human erythrocytes contents. The microscope is based on LEDs illumination sources ranging from 375 nm to 940 running with three geometries. Principal component hierarchical clustering have been applied effectively differentiate cells constituents. trophozoite stage plasmodium falciparum its food vacuole, as well ‘haem’...

This paper describes a spectroscopic approach for hyperspectral imaging of Plasmodium Falciparum infected human red blood cells (RBCs). We have performed broad-band microscope which has been used to acquire number images in 370 nm 1100 range, from fresh RBCs by Falciparum. These analyzed using the fast computation entropies and mutual information color multispectral images. allowed us determine matching set wavelengths morphological studies. Extracted quantitative absorption spectra parts...

In recent years, extensive research has been carried out on red blood cells in order to investigate their mechanical properties. The interest these studies possible thanks the technological innovations made field of micro or nano manipulation biological and non-biological particles without physical contact. present project, we have developed a new approach study deformation moving against trapped microbead by applying sinusoidal voltage (DC offset 3.5 Vpp) stage at 0.4 Hz frequencies....

In this paper, we studied the lateral deformation of human red blood cells (RBCs) during indentation by an optically trapped silica bead with a diameter 4.5 µm (Bangs Laboratories, Inc. Fishers, IN, USA). The images were captured using CCD camera and Boltzmann statistics method was used for force calibration. Using Hertz model, calculated compared elastic stiffness resulting from force, showing that differences are important should be considered. Besides component, setup also allowed us to...

This study presents a feedback linearization strategy and robust controller to permit decoupling regulation of the motor states in order assure good dynamic performance stability global system. As control required knowledge instantaneous flux rotor parameter estimation can improve quality, six-dimensional discrete-time extended sliding mode observer is proposed for on-line fluxes time constant. The simulation results 1.8 kW induction are presented illustrate validity high robustness approach...

Summary In this communication, we demonstrate how kriging, combine with multispectral and multimodal microscopy can enhance the resolution of malaria‐infected images provide more details on their composition, for analysis diagnosis. The results interpolation applied to two principal components illustrate that examination content Plasmodium falciparum infected human erythrocyte is improved.

<p class="1Body">Most commercially available ground coffees are processed from Robusta or Arabica coffee beans. In this work, we report on the potential of Structured Laser Illumination Planar Imaging (SLIPI) technique for classification five types and commercial samples (Familial, Belier, Brazil, Colombia Malaga). This is made, here, measurement extinction coefficient µ<sub>e</sub> optical depth OD by means SLIPI. The proposed offers advantage eliminating light intensity...