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- University
- Politecnico di Milano
- Degree programme
- Biomedical Engineering
- Subject
- Advanced Signals and Data Processing + Images
- Classification
- Notes · Complete set
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NotesComplete set
Completed notes of the course part 1 Prof B
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Advanced Signals and Data Processing + ImagesComplete set
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1 ADVANCED SIGNALSAND DATA PROCESSINGIN MEDICINE PRIMAPARTEBARBIERI ANNO2016/2017 2 1.BIOMEDICALDATAAND SIGNALS:OVERVIEWAND ANALYSISFRAMEWORK Wehavesomekeywordsbelongingtothiscourse.Weregonnalinkthemtogethertoanswerto specificproblems: OData:anykindofdatayoucanrecordinhospital.Firstthingyouwannaknowisthe anagraphicaldataofthepatient,causetheymightsaysomethingaboutthewaytheywork. Oldpeopleworkdifferentlyfromyoungpeople.Wehavetouseanyinformationwecan reach.Alltheinformationwehaveisalsogivenbytheinitialshitcompiledbythenurse. Thesearethedatathatthedoctorcansee,andwegofromthemedicaltotheengineering domain.Dataingeneralaresomethingthedoctorisveryfirendlywith.Doctorsknowthe recordingspointsandtherecordingtime.Informationcanchangealongthecourseofthe disease,butalsoalongtheday.Mostimportantkindofdataare:ClinicalRecords (electronichealthrecord,EHR),BiometricData,GeneticData,GlucoseConcentration. OTimeseries:Wehavetofollowtheflowofinformationinmorethanonepointintime.This isacriticalpointoftimeseries.Anysignalwearecollecting,isusefulatdifferenttimescale, andeachinformationcoversaspecificdomainspecifictotimerisolution.Neuronsarevery fast,butwehavealsocircadianrhythm,verylong,andsomethinginbetweenthem.Wehave toolstogobeyondtime-scale.Differentlayers,fromthesimplestvariable,totimeseriesthat reflectsdatacollectedatdifferenttime-scaleprovidinginformationinwidewayoftime definition.MostimportantTime-seriesare:Electroencephalogram,Electromyogram, Electrocardiogram,GalvanicSkinRespone,Magnetoencephalogram,Respiration, ArterialBloodPressure,CarotidBloodFlow,Pupillometry.Galvanicskinresponse representsthechangeinresistanceduetochangeinliquidamountintheskin(intermsof electriccharacteristicsoftheskin).Itisprovidinginformationofasystemworkingasweare…
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