This book contains the best papers of the Second International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2009), organized by the Institute for Systems and Technologies of Information Control and Communi- tion (INSTICC), technically co-sponsored by the IEEE Engineering in Medicine and Biology Society (EMB), IEEE Circuits and Systems Society (CAS) and the Workflow Management Coalition (WfMC), in cooperation with AAAI and ACM SIGART. The purpose of the International Joint Conference on Biomedical Engineering S- tems and Technologies is to bring together researchers and practitioners, including engineers, biologists, health professionals and informatics/computer scientists, int- ested in both theoretical advances and applications of information systems, artificial intelligence, signal processing, electronics and other engineering tools in knowledge areas related to biology and medicine. BIOSTEC is composed of three co-located conferences; each specializes in one of the aforementioned main knowledge areas, namely: . BIODEVICES (International Conference on Biomedical Electronics and - vices) focuses on aspects related to electronics and mechanical engineering, - pecially equipment and materials inspired from biological systems and/or - dressing biological requirements. Monitoring devices, instrumentation sensors and systems, biorobotics, micro-nanotechnologies and biomaterials are some of the technologies addressed at this conference.

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Invited Papers.- Computational Intelligence and Image Processing Methods for Applications in Skin Cancer Diagnosis.- Affective Man-Machine Interface: Unveiling Human Emotions through Biosignals.- I: BIODEVICES.- On-Chip Biosensors Based on Microwave Detection for Cell Scale Investigations.- Improvements of a Brain-Computer Interface Applied to a Robotic Wheelchair.- Wavelet-Based and Morphological Analysis of the Global Flash Multifocal ERG for Open Angle Glaucoma Characterization.- Biotin-Streptavidin Sensitive BioFETs and Their Properties.- Improving Patient Safety with X-Ray and Anesthesia Machine Ventilator Synchronization: A Medical Device Interoperability Case Study.- A Ceramic Microfluidic Device for Monitoring Complex Biochemical Reactive Systems.- Knee Angle Estimation Algorithm for Myoelectric Control of Active Transfemoral Prostheses.- Micro Droplet Transfer between Superhydrophobic Surfaces via a High Adhesive Superhydrophobic Surface.- II: BIOSIGNALS.- Study on Biodegradation Process of Polyethylene Glycol with Exponential Glowth of Microbial Population.- Variable Down-Selection for Brain-Computer Interfaces.- Effect of a Simulated Analogue Telephone Channel on the Performance of a Remote Automatic System for the Detection of Pathologies in Voice: Impact of Linear Distortions on Cepstrum-Based Assessment - Band Limitation, Frequency Response and Additive Noise.- A Biologically-Inspired Visual Saliency Model to Test Different Strategies of Saccade Programming.- Transition Detection for Brain Computer Interface Classification.- Tuning Iris Recognition for Noisy Images.- Three-Dimensional Reconstruction of Macroscopic Features in Biological Materials.- Wavelet Transform Analysis of the Power Spectrum of Centre of Pressure Signals to Detect the Critical Point Interval of Postural Control.- Early Detection of Severe Apnoea through Voice Analysis and Automatic Speaker Recognition Techniques.- Automatic Detection of Atrial Fibrillation for Mobile Devices.- Speaker-Adaptive Speech Recognition Based on Surface Electromyography.- Towards the Development of a Thyroid Ultrasound Biometric Scheme Based on Tissue Echo-morphological Features.- III: HEALTHINF.- Collecting, Analyzing, and Publishing Massive Data about the Hypertrophic Cardiomyopathy.- BredeQuery: Coordinate-Based Meta-analytic Search of Neuroscientific Literature from the SPM Environment.- Simulation of ECG Repolarization Phase with Improved Model of Cell Action Potentials.- Advances in Computer-Based Autoantibodies Analysis.- Support Vector Machine Diagnosis of Acute Abdominal Pain.- Near Field Communication and Health: Turning a Mobile Phone into an Interactive Multipurpose Assistant in Healthcare Scenarios.- Electronic Health Records: An Enhanced Security Paradigm to Preserve Patient's Privacy.- Augmented Feedback System to Support Physical Therapy of Non-specific Low Back Pain.- Multi-analytical Approaches Informing the Risk of Sepsis.