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Le projet SpecMeat vise à mettre au point un outil analytique utilisable en abattoir, basé sur la spectroscopie proche infrarouge (SPIR), pour apprécier la composition en acides gras (AG) de la viande bovine. Il permettrait ainsi d’orienter précocement les carcasses vers les circuits commerciaux les plus adaptés (filière Bleu-Blanc Cœur, par exemple) sur la base de leur composition en AG. La méthode...
This paper first describes the AM-FM demodulation of an arterial pressure signal. Although it is known to be efficient on signals modulated by breathing, we demonstrate that in case of lack of respiratory modulation (real or simulated central sleep apnea), the AM-FM algorithm doesn't perform well in heart rate extraction. We introduce then a new algorithm based on singular spectrum analysis eigen...
This paper presents a simple algorithm for arterial beat pulse detection. It consists in a coarse to fine approach : the first step is performed with a lifting Haar wavelet transform with thresholding and provides search intervals, the second step is to localize the beat pulse in the original signal within these areas. Thanks to online available database, the performance of this algorithm can be compared...
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