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Academic literature on the topic 'Iperspettrale'
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Journal articles on the topic "Iperspettrale"
Ciraolo, Giuseppe, Mario Minacapilli, and Maurizio Sciortino. "STIMA DELL’EVAPOTRASPIRAZIONE EFFETTIVA MEDIANTE TELERILEVAMENTO AEREO IPERSPETTRALE." Journal of Agricultural Engineering 38, no. 2 (June 30, 2007): 49. http://dx.doi.org/10.4081/jae.2007.2.49.
Full textPepe, Monica, Loredana Pompilio, Beniamino Gioli, Lorenzo Busetto, and Mirco Boschetti. "Detection and Classification of Non-Photosynthetic Vegetation from PRISMA Hyperspectral Data in Croplands." Remote Sensing 12, no. 23 (November 28, 2020): 3903. http://dx.doi.org/10.3390/rs12233903.
Full textAneece, Itiya, and Prasad S. Thenkabail. "New Generation Hyperspectral Sensors DESIS and PRISMA Provide Improved Agricultural Crop Classifications." Photogrammetric Engineering & Remote Sensing 88, no. 11 (November 1, 2022): 715–29. http://dx.doi.org/10.14358/pers.22-00039r2.
Full textHamzeh, S., M. Hajeb, S. K. Alavipanah, and J. Verrelst. "RETRIEVAL OF SUGARCANE LEAF AREA INDEX FROM PRISMA HYPERSPECTRAL DATA." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences X-4/W1-2022 (January 13, 2023): 271–77. http://dx.doi.org/10.5194/isprs-annals-x-4-w1-2022-271-2023.
Full textRossini, M., C. Panigada, M. Meroni, L. Busetto, R. Castrovinci, and R. Colombo. "Pedunculate oak forests (Quercus robur L.) survey in the Ticino Regional Park (Italy) by remote sensing." Forest@ - Rivista di Selvicoltura ed Ecologia Forestale 4, no. 2 (June 19, 2007): 194–203. http://dx.doi.org/10.3832/efor0450-0040194.
Full textShaik, Riyaaz Uddien, Aiswarya Unni, and Weiping Zeng. "Quantum Based Pseudo-Labelling for Hyperspectral Imagery: A Simple and Efficient Semi-Supervised Learning Method for Machine Learning Classifiers." Remote Sensing 14, no. 22 (November 16, 2022): 5774. http://dx.doi.org/10.3390/rs14225774.
Full textSpiller, D., L. Ansalone, S. Amici, A. Piscini, and P. P. Mathieu. "ANALYSIS AND DETECTION OF WILDFIRES BY USING PRISMA HYPERSPECTRAL IMAGERY." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2021 (June 28, 2021): 215–22. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2021-215-2021.
Full textVangi, Elia, Giovanni D’Amico, Saverio Francini, Francesca Giannetti, Bruno Lasserre, Marco Marchetti, and Gherardo Chirici. "The New Hyperspectral Satellite PRISMA: Imagery for Forest Types Discrimination." Sensors 21, no. 4 (February 8, 2021): 1182. http://dx.doi.org/10.3390/s21041182.
Full textAlicandro, Maria, Elena Candigliota, Donatella Dominici, Francesco Immordino, Fabrizio Masin, Nicole Pascucci, Raimondo Quaresima, and Sara Zollini. "Hyperspectral PRISMA and Sentinel-2 Preliminary Assessment Comparison in Alba Fucens and Sinuessa Archaeological Sites (Italy)." Land 11, no. 11 (November 17, 2022): 2070. http://dx.doi.org/10.3390/land11112070.
Full textAcito, Nicola, Marco Diani, Gregorio Procissi, and Giovanni Corsini. "Atmospheric Compensation of PRISMA Data by Means of a Learning Based Approach." Remote Sensing 13, no. 15 (July 28, 2021): 2967. http://dx.doi.org/10.3390/rs13152967.
Full textDissertations / Theses on the topic "Iperspettrale"
Montedoro, Vincenzo. "Realizzazione di una camera iperspettrale per uso industriale." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9572/.
Full textMandanici, Emanuele <1982>. "Il contributo del telerilevamento multi ed iperspettrale per la caratterizzazione del territorio e la sostenibilità ambientale." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3962/1/Mandanici_Emanuele_tesi.pdf.
Full textMandanici, Emanuele <1982>. "Il contributo del telerilevamento multi ed iperspettrale per la caratterizzazione del territorio e la sostenibilità ambientale." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3962/.
Full textFabbri, Alessandro. "Uso di immagini iperspettrali Hyperion nell'analisi di acque lacustri." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amslaurea.unibo.it/918/.
Full textCESANA, ILARIA. "Solar-induced chlorophyll fluorescence signal retrieval in terrestrial vegetation and inland waters from hyperspectral proximal sensing." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/366236.
Full textThe PhD research aimed to develop novel strategies able to better retrieve and interpret the chlorophyll Solar-Induced Fluorescence (SIF) signal emitted by terrestrial vegetation and inland waters at ground level, to advance the understanding of ecosystems structure and functioning. SIF metrics were defined taking advantage of the full SIF spectrum available from the recently developed “spectrum-fitting” algorithm (SpecFit). The metrics were designed to characterize the SIF spectrum, in terms of red and far-red peaks maximum values (SIFred, SIFfar-red), corresponding wavelengths and the spectrally integrated value (SIFINT). SIF typically evaluated in the O2-A (SIF760) and O2-B (SIF687) bands and reflectance indices (used as proxies for canopy biophysical parameters) have been compared to the SIF spectrum. The reflectance indices selected are the NDVIred-edge, CIred-edge, NIRv and PRI. The analysis has been carried out at seasonal/diurnal scales, exploiting top-of canopy (TOC) spectral measurements acquired over three crops. The SIF evaluated at the peaks always show a strong correlation with the corresponding O2 bands values, while the SIFINT represents a more complete parameter and shows peculiar dynamics. At diurnal scale, the combined use of reflectance indices and TOC SIF metrics allows to gain a better knowledge of the crops dynamics. Seasonally, the SIF and reflectance indices show more similar temporal evolution along the growth-phases because they are mainly driven by changes in the overall canopy biomass, chlorophyll content and incident light. The reabsorption of the SIF within the canopy-leaf system affects the overall SIF spectral shape and magnitude at this temporal scale. As demonstrated on the synthetic dataset, the reabsorption effect prevents an accurate evaluation of the fluorescence quantum yield (SIFyield). Correcting the TOC SIF spectrum for the reabsorption is pivotal. In this regard, two different approaches have been developed and tested. The parametric method enables to correct SIF for the reabsorption (SIFRC) establishing parametric relationships with spectral variables routinely measured at TOC. The method accuracy depends on the plant growth phase, showing better results for medium-dense canopies. This behavior compromises the application of the method on the full seasonal analysis. The second approach based on Fourier-Machine Learning algorithm retrieves the SIFRC, and biophysical parameters (LAI, Cab, SIFyield, aPAR) with a better accuracy for all the conditions. The two approaches have been compared by considering synthetic simulations and real field measurements. Two methods were developed and tested starting from different assumptions: the parametric method can be used in a simpler way but it lacks accuracy for sparse conditions; while the Fourier-Machine Learning algorithm is more complex but offer better results. Regarding clear lake waters, a novel version of the Fluorescence Line Height approach has been implemented. The SIF proxy obtained agree with the temporal evolution of other conventional spectral indices (EPAR, R550 and [Chl-a]). Novel phytoplankton primary production models have been defined and tested adapting the vegetation Light Use Efficiency model for inland waters. Promising results have been obtained when the SIFFLH and a novel photosynthesis efficiency proxy here introduced are considered. In conclusion, the results obtained highlight the relevance to retrieve the SIF spectrum and the importance to employ SIF reabsorption correction methods to obtain relevant parameters better related with terrestrial vegetation functioning and less affected from canopy structure. This study has demonstrated that the hyperspectral and frequency measurements allow to follow the phytoplankton dynamics, particularly in clear sky days. Furthermore, the use of parameters linked to the SIF represents a promising approach for monitoring the phytoplankton primary production in lakes.
TAGLIABUE, GIULIA. "Linking vegetation optical properties from multi-source remote sensing to plant traits and ecosystem functional properties." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2019. http://hdl.handle.net/10281/241317.
Full textRemote Sensing (RS) data have been successfully exploited in the last decades to monitor vegetation due to their inherent capacity of providing repeated and spatially-distributed quantitative information about vegetation properties. However, most research focused on the description of the structural and biochemical properties of vegetation rather than on the understanding of its functioning. In the last decade, RS of sun-induced chlorophyll fluorescence (F) emerged as a novel and promising tool for assessing plant functional status. F is a weak signal emitted by the core of the photosynthetic machinery in the red and far-red spectral regions (~650-800 nm) as a side product of light absorption. The potential of F relies on the relationship existing between photochemistry and the energy dissipation pathways: since photochemistry competes with F emission and heat dissipation for the absorbed energy, F can be a direct indicator of plant actual functional state. The main aim of this Ph.D. research was to exploit optical data (i.e., reflectance and fluorescence) to advance the understanding of vegetation functioning and of its variability across space. In particular, the work aimed at better understanding the link between vegetation optical properties, plant traits (PTs) and ecosystem functional properties (EFPs) in a case study represented by a mid-latitude forest ecosystem. At this purpose, innovative RS techniques were exploited to infer information about the vegetation functioning from fine and ultra-fine spectral resolution optical measurements acquired with the HyPlant airborne imaging spectrometer. The analyses were focused on two main work streams: i) the investigation of the spatial relationship between F and EFPs to better understand the variability of the ecosystem functioning at regional scale; ii) the analysis of the potential of F as a synthetic descriptor of the ecosystem functional diversity. Results provided evidence of the effectiveness of F as a tool for assessing vegetation functioning, but also pointed out the complexity of the link existing between F, PTs and EFPs and the need to integrate different RS derived products to obtain an unambiguous interpretation of the F signal. In particular, results showed that: i) F can be related to the spatial variability of the EFPs, thus demonstrating that this link usually observed in the temporal domain holds in the spatial domain; ii) F is a more powerful tool compared to traditional reflectance-based indices for explaining the functional diversity. Overall, these results improved the understanding of the complex relationship between F and vegetation functioning by adding new insights into the critical role of the spatial heterogeneity in controlling the carbon uptake. Further research in this direction constitutes a high priority for advancing the understanding of the imprint of plants on the global carbon balance.
Matteo, Beatrice. "Clustering gerarchico di matrici iperspettrali." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20794/.
Full textMasini, Fabrizio. "Realizzazione di una applicazione per l'analisi di immagini iperspettrali." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4571/.
Full textChessa, Fabio. "Impiego di sensori ottici di riflettanza per la diagnosi dello stato fisiologico delle colture agricole." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25333/.
Full textCamanzi, Luca. "Fattorizzazione Matriciale Non Negativa: algoritmi e applicazioni." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19242/.
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