Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2017
Forfattere
Ricardo Fonseca Werner Creixell Javier Maiguashca Victor Rueda-AyalaSammendrag
Image analysis is essential through a wide range of scientific areas and most of them have one task in common, i.e. object detection. Thus automated detection algorithms had generated a lot of interest. This proposal identifies objects with similar features on a frame. The inputs are the image where to look at, and a single appearance of the object we are looking for. The object is searched by a sliding window of various sizes. A positive detection is given by a cascaded classifier that compares input patches from sliding window to the object model. The cascaded classifier has three stages: variance comparison, layers of pixel comparisons and patch correlation. Object model is a collection of templates which are generated from scales and rotations of the first appearance. This algorithm is capable to handle change in scale, in plane rotation, illumination, partial occlusion and background clutter. The proposed framework was tested on high cluttered background aerial image, for identifying palm oil trees. Promising results were achieved, suggesting this is a powerful tool for remote sensing image analysis and has potential applications for a wide range of sciences which require image analysis.
Forfattere
Geir-Harald StrandSammendrag
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Forfattere
Geir-Harald StrandSammendrag
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Forfattere
Eva Narten HøbergSammendrag
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Forfattere
Bjørg Helen Nøstvold Ingrid Kvalvik Rune Rødbotten Eivind Uleberg Sigridur DalmansdottirSammendrag
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Sammendrag
This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.
Sammendrag
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Sammendrag
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Forfattere
Rolf Nestby Sebastien GuérySammendrag
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Sammendrag
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