Papers by Ricardo Aravena
Remote Sensing, 2021
To facilitate the simplification, visualisation and communicability of satellite imagery classifi... more To facilitate the simplification, visualisation and communicability of satellite imagery classifications, this study applied visual analytics to validate a colourimetric approach via the direct and scalable measurement of hue angle from enhanced false colour band ratio RGB composites. A holistic visual analysis of the landscape was formalised by creating and applying an ontological image interpretation key from an ecological-colourimetric deduction for rainforests within the variegated landscapes of south-eastern Australia. A workflow based on simple one-class, one-index density slicing was developed to implement this deductive approach to mapping using freely available Sentinel-2 imagery and the super computing power from Google Earth Engine for general public use. A comprehensive accuracy assessment based on existing field observations showed that the hue from a new false colour blend combining two band ratio RGBs provided the best overall results, producing a 15 m classification ...
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International Journal of Food Science and Technology, 1989
Chemical composition and protein value of a tempeh-related food using lupine as substrate was det... more Chemical composition and protein value of a tempeh-related food using lupine as substrate was determined. Bitter lupine grits were slowly degraded as compared to sweet lupine, pointing out the inhibitory action of lupine alkaloids. Any fungal degradation of the latter could be determined. Sweet lupine tempeh was further characterized. Water-soluble substances increased during the first 17 hr and then only slight changes occurred. The lipid fraction was preferentially metabolized by the fungus, reaching almost 50% loss after 45 hr fermentation. Linolenic and erucic acids were particularly degraded. No significant increase of the NPR values or protein digestibility of fermented lupine were observed. Preliminary results of sensory evaluation of deep-fat fried lupine tempeh were promising.
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Journal of Computer Assisted Learning, Oct 23, 2008
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Advances in Experimental Medicine and Biology, 2002
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Journal of Human Lactation - J HUM LACT, 1995
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Journal of Human Lactation, 1996
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Papers by Ricardo Aravena