A chaos-based visual encryption mechanism for clinical EEG signals

Chin-Feng Lin; Cheng-Hsing Chung; Jia-Hui Lin
July 2009
Medical & Biological Engineering & Computing;Jul2009, Vol. 47 Issue 7, p757
Academic Journal
In this study, we have developed a chaos-based visual encryption mechanism that can be applied for clinical electroencephalography (EEG) signals. In comparison with other types of random sequences, chaos sequences were mainly used to increase unpredictability. We used a 1D chaotic scrambler and a permutation scheme to achieve EEG visual encryption. One approach of realizing the visual encryption mechanism is to scramble the signal values of the input EEG signal by multiplying a 1D chaotic signal to randomize the EEG signal values. We then applied a chaotic address scanning order encryption to the randomized reference values. Simulation results show that when the correct deciphering parameters are entered, the signal is completely recovered, and the percent root-mean-square difference (PRD) values for control and alcoholic clinical EEG signals are 4.33 × 10−15 and 4.11 × 10−15%, respectively. As long as there is an input parameter error, with an initial point error of 0.00000001% as an example, thereby making these clinical EEG signals unrecoverable.


Related Articles

  • Quantification of phase coupling and information transfer between electroencephalographic (EEG) signals: Analysis strategies, models and simulations. H. Witte; B. Schack // Theory in Biosciences;Nov2004, Vol. 122 Issue 4, p361 

    Different types of phase coupling between and within EEG signals are theoretically explained and coupling-related analysis strategies are reported. Effects of synchronization have been distinguished from effects signal transfer (propagation), where both are designated by a phase coupling. Six...

  • ANNOUNCEMENTS.  // American Journal of Electroneurodiagnostic Technology;Sep2005, Vol. 45 Issue 3, p213 

    Presents schedules of activities related to medical imaging and electroencephalography practice in the U.S. until October 2006.

  • The coat-check problem. Pagni, David // Australian Mathematics Teacher;Jun2001, Vol. 57 Issue 2, p40 

    Describes a problem in elementary probability. Role of the mathematical problem in promoting and understanding listing strategies and simulation; Comparison of analytical and empirical strategies; Information on permutations.

  • Electroencephalographic Features in Dravet Syndrome: Five-Year Follow-Up Study in 22 Patients. Specchio, Nicola; Balestri, Martina; Trivisano, Marina; Japaridze, Natia; Striano, Pasquale; Carotenuto, Antonio; Cappelletti, Simona; Specchio, Luigi M.; Fusco, Lucia; Vigevano, Federico // Journal of Child Neurology;Apr2012, Vol. 27 Issue 4, p439 

    The aim of the study was to evaluate interictal electroencephalogram features in 22 patients with Dravet syndrome from the onset of the disease through the next 5 years. Electroencephalogram was abnormal in 5 patients (22.7%) at onset, and in 17 (77.3%) at the end of the study. Epileptiform...

  • WAVEFORM WINDOW.  // American Journal of Electroneurodiagnostic Technology;Dec2005, Vol. 45 Issue 4, p279 

    The article presents the EEG findings for a patient with complex partial seizure. The characteristics of a typical seizure are enumerated. The potential causes of mesial temporal sclerosis are also listed.

  • EEG (ELECTROENCEPHALOGRAPHY). TATUM IV, WILLIAM O.; KAPLAN, PETER W.; JALLON, PIERRE // Epilepsy A to Z: A Concise Encyclopedia;2009, p105 

    An encyclopedia entry for "EEG (electroencephalography)" is presented. It states that EEG has played a significant role in the evaluation of seizures and is composed of an amplified electrical signal derived from cerebral neuronal activity. It notes that EEG also offers information on the...

  • Rice detector: proposal of a novel objective response detection technique. Farina Júnior, Paulo Danilo; Melges, Danilo Barbosa; Catelli Infantosi, Antonio Fernando; Leite Miranda de Sá, Antonio Mauricio Ferreira // Revista Brasileira de Engenharia Biomédica;Dec2013, Vol. 29 Issue 4, p321 

    Introduction: The detection of the somatosensory response (SR) is an important tool for the neurophysiological evaluation in the intra and post-operative period of some vascular and spine surgeries. Particularly, the SR identifi cation with a maximum false positive ratio by means of Objective...

  • Induced Currents in a Rat’s Brain due a Radio Frequency Fields: Numerical Simulation with a Pixel Model. Rojas, R.; Garcia, R. D.; Rodríguez, A. O. // AIP Conference Proceedings;8/11/2008, Vol. 1032 Issue 1, p272 

    The increasing use of high fields in Magnetic Resonance Systems poses new challenges for their operation within safety limits. At high frequencies, electromagnetic fields induce current densities that may damage the organs to be imaged. These eddy currents are transformed in heat via the...

  • Generalized shrinkage F-like statistics for testing an interaction term in gene expression analysis in the presence of heteroscedasticity.  // BMC Bioinformatics;2011 Supplement 10, Vol. 12 Issue Suppl 10, p427 

    The article reports on the use of the flexible shrinkage error estimators considering both between-gene and within-gene heteroscedasticity in construction of F-like test statistics for testing interactions. It reports on the comparison of the proposed test statistics with other existing...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics