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Magnetic resonance imaging is performed without ionizing radiation, however, the applied radio frequency power leads to heating, which is dependent on the body part being imaged. Determining the patient position in the scanner allows to better monitor the absorbed power and therefore optimize the image acquisition. Low-resolution images, acquired during the initial placement of the patient in the scanner, are exploited for detecting the patient position. We use Laplacian eigenmaps, a manifolddoi:10.1109/isbi.2010.5490248 dblp:conf/isbi/WachingerMKN10 fatcat:v4bxczp4rrhrlfg6h5favh5k3u