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Compréhension d'images - intelligence artificielle --- Traitement d'image - intelligence artificielle --- Vision artificielle - application --- Vision artificielle - technique --- Compréhension d'images - intelligence artificielle --- Traitement d'image - intelligence artificielle --- Vision artificielle - application --- Vision artificielle - technique
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Image processing --- Traitement d'images --- Digital techniques --- Techniques numériques --- Digital techniques. --- Techniques numériques --- Analyse numérique. --- Numerical analysis --- BASIC (Computer program language) --- Numerical analysis. --- Analyse numérique --- Traitement d'image
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3D models are extracted from at least 2 stereo views of area of interest and they constitute an indispensable data in many surveying tasks and applications. Since the beginning of photogrammetry, aerial imagery was mostly used in precise topographic mapping applications mainly due to its (very-)high ground resolution. With the affordable (very-)high resolution and stereoscopic satellite imagery that provides larger spatial coverage, it is also possible to collect very large-scale 3D data from satellite products. This research aimed to assess geometric quality of DSMs and orthomosaïc products from high spatial resolution aerial and Pleaides satellite stereo-photogrammetry. We aim to demonstrate that, using MICMAC software, photogrammetric products from aerial images taken by UltraCam Falcon camera of Vexcel Imaging and Pleiades images are equivalent in both geometric and radiometric quality and that their structural realism and consistency in urban and hilly areas is similar. The selected study area is thus the urban and peri-urban Western zone of Liège. Verification of this hypothesis is based on photogrammetric products from 48 aerial images acquired in a period from 12th to 15th April 2015 and one stereo-pair of Pleiades images taken on 13th March 2015. Using GCPs surveyed in the study area, geometric quality of Vexcel DSM and orthoimages were found more accurate than Pleiades products.
Photogrammetrie --- Traitement d'image --- MNS --- Orthorectification --- Imagery aeroportée et satellitaire --- Validation --- Photogrammetry --- Image processing --- DSM --- Orthorectification --- Aerial and satellite imagery --- Validation --- Physique, chimie, mathématiques & sciences de la terre > Sciences de la terre & géographie physique --- Ingénierie, informatique & technologie > Sciences informatiques
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Biomathematics. Biometry. Biostatistics --- Botany --- Méthodologie --- methodology --- Mesure --- Measurement --- Plante --- plants --- Feuille --- leaves --- Photosynthèse --- Photosynthesis --- Relation plante eau --- Plant water relations --- Substance nutritive minérale --- Mineral nutrients --- Transport des substances nutritives --- Nutrient transport --- Crops --- Growth (Plants) --- Plant ecophysiology --- Plant and Crop Sciences. Botany --- Growth --- Congresses. --- Plant Physiology --- Plant Physiology. --- Traitement d'image
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Artificial intelligence. Robotics. Simulation. Graphics --- Information systems --- Logiciel --- Computer software --- Application des ordinateurs --- computer applications --- Analyse d'image --- Image analysis --- Imagerie --- Imagery --- Computer vision --- Image processing --- -#TWER:BIOM --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Machine vision --- Vision, Computer --- Artificial intelligence --- Pattern recognition systems --- Digital techniques --- #TWER:BIOM --- Digital image processing --- Digital electronics --- Traitement d'image
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