J Biomed Inform - Secure information embedding into 1D biomedical signals based on SPIHT.

Tópicos

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{ detect(2391) sensit(1101) algorithm(908) }

Resumo

This paper proposes an encoding system for 1D biomedical signals that allows embedding metadata and provides security and privacy. The design is based on the analysis of requirements for secure and efficient storage, transmission and access to medical tests in e-health environment. This approach uses the 1D SPIHT algorithm to compress 1D biomedical signals with clinical quality, metadata embedding in the compressed domain to avoid extra distortion, digital signature to implement security and attribute-level encryption to support Role-Based Access Control. The implementation has been extensively tested using standard electrocardiogram and electroencephalogram databases (MIT-BIH Arrhythmia, MIT-BIH Compression and SCCN-EEG), demonstrating high embedding capacity (e.g. 3 KB in resting ECGs, 200 KB in stress tests, 30 MB in ambulatory ECGs), short delays (2-3.3s in real-time transmission) and compression of the signal (by 3 in real-time transmission, by 5 in offline operation) despite of the embedding of security elements and metadata to enable e-health services.

Resumo Limpo

paper propos encod system d biomed signal allow embed metadata provid secur privaci design base analysi requir secur effici storag transmiss access medic test ehealth environ approach use d spiht algorithm compress d biomed signal clinic qualiti metadata embed compress domain avoid extra distort digit signatur implement secur attributelevel encrypt support rolebas access control implement extens test use standard electrocardiogram electroencephalogram databas mitbih arrhythmia mitbih compress sccneeg demonstr high embed capac eg kb rest ecg kb stress test mb ambulatori ecg short delay s realtim transmiss compress signal realtim transmiss offlin oper despit embed secur element metadata enabl ehealth servic

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