Search results for: L. Benini

Items from 1 to 20 out of 227 results

article

Image enhancement variational methods for enabling strong cost reduction in OLED‐based point‐of‐care immunofluorescent diagnostic systems

D. Lazzaro, S. Morigi, P. Melpignano, E. Loli Piccolomini, more

International Journal for Numerical Methods in Biomedical Engineering > 34 > 3 > n/a - n/a

Immunofluorescence diagnostic systems cost is often dominated by high‐sensitivity, low‐noise CCD‐based cameras that are used to acquire the fluorescence images. In this paper, we investigate the use of low‐cost CMOS sensors in a point‐of‐care immunofluorescence diagnostic application for the detection and discrimination of 4 different serotypes of the Dengue virus in a set of human samples. A 2‐phase...

chapter

Towards a Novel HMI Paradigm Based on Mixed EEG and Indoor Localization Platforms

M. Salvaro, V. Kartsch, S. Benatti, M. Milano, more

2017 New Generation of CAS (NGCAS) > 217 - 220

2017 New Generation of CAS (NGCAS)

Location Based Services (LBS) have been gaining a great deal of attention thanks to their capability to enhance mobile services with location awareness. While outdoor localization is almost universally achieved via Global Positioning System (GPS), indoor localization is still challenging and a general solution is yet to be found. In a vision where wearable devices are taking over smartphones' leading...

chapter

A multi-sensor and parallel processing SoC for wearable and implantable telemetry systems

P. Schonle, G. Rovere, F. Glaser, J. Bosser, more

ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference > 215 - 218

ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference (ESSCIRC)

We report a system-on-chip (SoC) realised in 130nm CMOS for implantable telemetry systems and mobile health applications featuring 6 neural stimulation channels and acquisition circuits for 9× electrode-based recordings (ExG), 4×/32× photo-plethysmography (PPG), bio-impedance, and temperature. The SoC includes a low-power quad-core processor (34μW/MHz) with sophisticated power and clock management...

chapter

Impact of temporal subsampling on accuracy and performance in practical video classification

F. Scheidegger, L. Cavigelli, M. Schaffner, A. C. I. Malossi, more

2017 25th European Signal Processing Conference (EUSIPCO) > 996 - 1000

2017 25th European Signal Processing Conference (EUSIPCO)

In this paper we evaluate three state-of-the-art neural-network-based approaches for large-scale video classification, where the computational efficiency of the inference step is of particular importance due to the ever increasing amount of data throughput for video streams. Our evaluation focuses on finding good efficiency vs. accuracy tradeoffs by evaluating different network configurations and...

article

Increasing the energy efficiency of microcontroller platforms with low-design margin co-processors

A. Gomez, A. Bartolini, D. Rossi, B. Can Kara, more

Microprocessors and Microsystems > 2017 > 53 > C > 213-228

Reducing the energy consumption in low cost, performance-constrained microcontroller units (MCU’s) cannot be achieved with complex energy minimization techniques (i.e. fine-grained DVFS, Thermal Management, etc), due to their high overheads. To this end, we propose an energy-efficient, multi-core architecture combining two homogeneous cores with different design margins. One is a performance-guaranteed...

chapter

A wearable EEG-based drowsiness detection system with blink duration and alpha waves analysis

V. Kartsch, S. Benatti, D. Rossi, L. Benini

2017 8th International IEEE/EMBS Conference on Neural Engineering (NER) > 251 - 254

2017 8th International IEEE/EMBS Conference on Neural Engineering (NER)

Drowsiness is one of the most prevalent causes of accidents in mining, driving and industrial activities carrying high personal risks and economic costs. For this reason, automatic detection of drowsiness is becoming an important application, and it is being integrated in a large variety of wearable and deeply embedded systems. Relevant effort has been spent in the past to quantify the drowsiness...

chapter

StoneNode: A low-power sensor device for induced rockfall experiments

P. Niklaus, T. Birchler, T. Aebi, M. Schaffner, more

2017 IEEE Sensors Applications Symposium (SAS) > 1 - 6

2017 IEEE Sensors Applications Symposium (SAS)

Spontaneous occurring rockfalls are a serious danger, especially nowadays as global warming leads to a retrogression of the permafrost, which stabilized terrain in mountainous regions. In order to perform risk assessments and develop mitigation strategies, advanced simulation tools and models have been developed over the last years. These models come with many parameters and need to be calibrated...

chapter

Scalable EEG seizure detection on an ultra low power multi-core architecture

S. Benatti, F. Montagna, D. Rossi, L. Benini

2016 IEEE Biomedical Circuits and Systems Conference (BioCAS) > 86 - 89

2016 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Energy efficient processing architectures represent key elements for wearable and implantable medical devices. Signal processing of neural data is a challenge in new designs of Brain Machine Interfaces (BMI). A highly efficient multi-core platform, designed for ultra low power processing allows the execution of complex algorithms complying with real time requirements. This paper describes the implementation...

chapter

Sampling modulation: An energy efficient novel feature extraction for biosignal processing

M. Causo, S. Benatti, A. Frappe, A. Cathelin, more

2016 IEEE Biomedical Circuits and Systems Conference (BioCAS) > 348 - 351

2016 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Extracting useful information from human bio potentials is an essential component of many wearable health applications. Yet the feature extraction itself can be computationally demanding, and may rapidly exhaust the meager energy supply available to the sensor node. General-purpose time-frequency analysis techniques, such as the Discrete Wavelet Transform (DWT) are widely used, but are computationally...

chapter

A 2 MS/s 10A Hall current sensor SoC with digital compressive sensing encoder in 0.16 µm BCD

M. Crescentini, M. Biondi, M. Bennati, P. Alberti, more

ESSCIRC Conference 2016: 42nd European Solid-State Circuits Conference > 393 - 396

ESSCIRC Conference 2016: 42nd European Solid-State Circuits Conference

Wide-bandwidth lossless current sensors are critical in numerous applications, from current monitoring in DC-DC converters to non-invasive load monitoring. CMOS Hall sensor is a low-cost solution for current sensing and can be easily integrated as part of mixed-signal system-on-chips (SoCs). State-of-the-art CMOS Hall sensors offer only limited acquisition bandwidths of a few hundred kHz. This paper...

chapter

Statistical Power Estimation of Behavioral Descriptions

B. Arts, A. Bellu, L. Benini, N. Eng, more

Lecture Notes in Computer Science > Integrated Circuit and System Design. Power and Timing Modeling, Optimization and Simulation > RTL Power Modeling and Memory Optimisation > 197-207

Power estimation of behavioral descriptions is a difficult task, as it entails inferring the hardware architecture on which the behavioral specification will be mapped through synthesis before the synthesis is actually performed. To cope with the uncertainties related to handling behavioral descriptions, we introduce the concept of statistical estimation, and we sketch how a prototype statistical...

chapter

Energy-Efficient Value-Based Selective Refresh for Embedded DRAMs

K. Patel, L. Benini, Enrico Macii, Massimo Poncino

Lecture Notes in Computer Science > Integrated Circuit and System Design. Power and Timing Modeling, Optimization and Simulation > Session 11: Memory and Register Files > 466-476

DRAM idle power consumption consists for a large part of the power required for the refresh operation. This is exacerbated by (i) increasing amount of memory devoted to cache, that filter out many accesses to DRAM, and (ii) increased temperature of the chips, which increase leakage and thus data retention times. The well-known structured distribution of zeros in a memory, combined with the observation...

chapter

A biofeedback based portable device to support elderly mobility in the home environment

M. Mancini, E. Farella, L. Rocchi, C. Tacconi, more

IFMBE Proceedings > World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany > 546-549

We present a device to support elderly balance and mobility in the home environment based on the sensory augmentation principle. We designed and tested an audio-biofeedback system that is wireless and lightweight, and can be easily worn and operated by elderly subjects. Having in mind wearability and unobtrusiveness, it is based on a palmtop computer, a stereo headset, and body sensors networks. Preliminary...

article

Assessment of Water Resources Availability and Groundwater Salinization in Future Climate and Land use Change Scenarios: A Case Study from a Coastal Drainage Basin in Italy

L Benini, M Antonellini, M Laghi, P. N. Mollema

Water Resources Management > 2016 > 30 > 2 > 731-745

The joint effect of changes in climate and land use on the future availability of water resources was assessed under the SRES A1B and A2 climate scenarios as well as five land use scenarios for the 2080–2100 time-frame in an Italian coastal watershed. The study area is a small coastal polder (100 km²) characterized by irrigated agriculture, urban expansion, drainage, quarrying and sensitivity to salt-water...

chapter

SDRAM-Energy-Aware Memory Allocation for Dynamic Multi-Media Applications on Multi-Processor Platforms

P. Marchal, J. I. Gomez, D. Bruni, L. Benini, more

Embedded Software for SoC > Energy Aware Software Techniques > 319-330

Heterogeneous multi-processors platforms are an interesting option to satisfy the computational performance of future multi-media applications. Energy-aware data management is crucial to obtain reasonably low energy consumption on the platform. In this paper we show that the assignment of data of dynamically created/deleted tasks to the shared main memory has a large impact on platform’s energy consumption...

chapter

Long-Term ECG monitoring with zeroing Compressed Sensing approach

M. Mangia, D. Bortolotti, A. Bartolini, F. Pareschi, more

2015 Nordic Circuits and Systems Conference (NORCAS): NORCHIP & International Symposium on System-on-Chip (SoC) > 1 - 4

2015 Nordic Circuits and Systems Conference (NORCAS): NORCHIP & International Symposium on System-on-Chip (SoC)

Novel low-voltage, low latency, non-volatile memory (NVM) technologies allow long-term wearable biomedical monitors to benefit from large storage capability, avoiding costly wireless transmissions and enabling, along with proper signal processing and architectural optimization, minimal energy operations and extended battery life. The recently proposed rakeness-based Compressed Sensing (RCS) offers...

chapter

Digitally controlled feedback for DC offset cancellation in a wearable multichannel EMG platform

M. Tomasini, S. Benatti, F. Casamassima, B. Milosevic, more

2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) > 3189 - 3192

2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

Wearable systems capable to capture vital signs allow the development of advanced medical applications. One notable example is the use of surface electromyography (EMG) to gather muscle activation potentials, in principle an easy input for prosthesis control. However, the acquisition of such signals is affected by high variability and ground loop problems. Moreover, the input impedance influenced...

chapter

Tackling the bottleneck of delay tables in 3D ultrasound imaging

A. Ibrahim, P. Hager, A. Bartolini, F. Angiolini, more

2015 Design, Automation & Test in Europe Conference & Exhibition (DATE) > 1683 - 1688

2015 Design, Automation & Test in Europe Conference & Exhibition (DATE)

3D ultrasound imaging is quickly becoming a reference technique for high-quality, accurate, expressive diagnostic medical imaging. Unfortunately, its computation requirements are huge and, today, demand expensive, power-hungry, bulky processing resources. A key bottleneck is the receive beamforming operation, which requires the application of many permutations of fine-grained delays among the digitized...

article

60. Dysphagia in different types of myopathy

L.G. Bongiovanni, F. Rossini, G. Bonato, F. Barbieri, more

Clinical Neurophysiology > 2015 > 126 > 1 > e14

Oculopharyngeal Muscular Dystrophy (OPMD) is a myopathy characterize by ptosis and marked swallowing impairment. Dysphagia may also occur in some mitochondrial diseases. Previous reports focused on the proximal (skeletal) parts of oesophagus only. We tried to analyse proximal and distal oesophageal function and the role of parasympathetic system and myenteric plexus in such disorders. Four male dysphagic...

chapter

EMG-based hand gesture recognition with flexible analog front end

S. Benatti, B. Milosevic, F. Casamassima, P. Schonle, more

2014 IEEE Biomedical Circuits and Systems Conference (BioCAS) Proceedings > 57 - 60

2014 IEEE Biomedical Circuits and Systems Conference (BioCAS)

Conditioning and processing of biological signals represent interesting challenges for wearable electronics in health applications. Information gathering from these signals requires complex hardware circuitry and dedicated computation resources. The design of innovative analog front-end integrated circuits, combined with efficient signal processing algorithms, allows the development of platforms for...

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INTEGRATED CIRCUIT DESIGN (38)
NETWORK-ON-CHIP (35)
SYSTEM-ON-CHIP (29)
WIRELESS SENSOR NETWORKS (22)
LOW-POWER ELECTRONICS (20)
MICROPROCESSOR CHIPS (20)
EMBEDDED SYSTEMS (19)
MULTIPROCESSING SYSTEMS (18)
DELAY (16)
CMOS INTEGRATED CIRCUITS (14)
INTEGRATED CIRCUIT INTERCONNECTIONS (14)
LOGIC DESIGN (13)
POWER DEMAND (13)
ENERGY CONSUMPTION (12)
COMPUTER ARCHITECTURE (11)
BANDWIDTH (10)
HARDWARE (10)
MULTIPROCESSOR SYSTEMS-ON-CHIP (10)
SYSTEM-ON-A-CHIP (10)
TOPOLOGY (10)
ENERGY EFFICIENCY (9)
MAGNETIC CORES (9)
NETWORKS-ON-CHIP (9)
POWER CONSUMPTION (9)
QUALITY OF SERVICE (9)
CLOCKS (8)
EMBEDDED SYSTEM (8)
ENERGY HARVESTING (8)
INTEGRATED CIRCUIT RELIABILITY (8)
LOGIC GATES (8)
MULTIPROCESSOR INTERCONNECTION NETWORKS (8)
ROUTING (8)
THREE DIMENSIONAL DISPLAYS (8)
DESIGN OPTIMIZATION (7)
FAULT TOLERANCE (7)
MPSOC (7)
OPTIMIZATION (7)
PERFORMANCE (7)
PROCESSOR SCHEDULING (7)
RELIABILITY (7)
SENSORS (7)
SWITCHES (7)
TIMING (7)
CIRCUIT SIMULATION (6)
CMOS LOGIC CIRCUITS (6)
DESIGN (6)
LEAKAGE CURRENTS (6)
MEMORY ARCHITECTURE (6)
MONITORING (6)
NANOELECTRONICS (6)
NETWORK TOPOLOGY (6)
OPTIMISATION (6)
POWER DISSIPATION (6)
POWER MANAGEMENT (6)
REAL-TIME SYSTEMS (6)
RESOURCE MANAGEMENT (6)
SOC (6)
THERMAL MANAGEMENT (PACKAGING) (6)
THRESHOLD VOLTAGE (6)
WIRELESS COMMUNICATION (6)
ALGORITHM DESIGN AND ANALYSIS (5)
BATTERIES (5)
BIOSENSORS (5)
CAPACITANCE (5)
CIRCUIT OPTIMISATION (5)
CLUSTERING ALGORITHMS (5)
CMOS TECHNOLOGY (5)
DEGRADATION (5)
ENERGY MANAGEMENT (5)
LEAKAGE POWER (5)
NETWORKS ON CHIPS (5)
NOC (5)
REAL TIME SYSTEMS (5)
THREE-DIMENSIONAL INTEGRATED CIRCUITS (5)
TRANSISTORS (5)
ANALYTICAL MODELS (4)
BENCHMARK TESTING (4)
CIRCUITS (4)
ELECTRODES (4)
FLOW CONTROL (4)
HARDWARE DESCRIPTION LANGUAGES (4)
INTEGRATED CIRCUIT LAYOUT (4)
LAYOUT (4)
MOLECULAR BIOPHYSICS (4)
MULTIPROCESSOR SYSTEM-ON-CHIP (4)
NETWORKS ON CHIP (4)
PHOTOVOLTAIC SYSTEMS (4)
POWER SYSTEM MANAGEMENT (4)
PROGRAMMING (4)
RANDOM ACCESS MEMORY (4)
SCHEDULING (4)
SHARED MEMORY SYSTEMS (4)
SLEEP (4)
SOLAR ENERGY (4)
SOLAR POWER (4)
SPICE (4)
SYNCHRONISATION (4)
SYNCHRONIZATION (4)
SYSTEM-LEVEL DESIGN (4)
TEMPERATURE CONTROL (4)
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Search results for: L. Benini

Image enhancement variational methods for enabling strong cost reduction in OLED‐based point‐of‐care immunofluorescent diagnostic systems

Towards a Novel HMI Paradigm Based on Mixed EEG and Indoor Localization Platforms

A multi-sensor and parallel processing SoC for wearable and implantable telemetry systems

Impact of temporal subsampling on accuracy and performance in practical video classification

Increasing the energy efficiency of microcontroller platforms with low-design margin co-processors

A wearable EEG-based drowsiness detection system with blink duration and alpha waves analysis

StoneNode: A low-power sensor device for induced rockfall experiments

Scalable EEG seizure detection on an ultra low power multi-core architecture

Sampling modulation: An energy efficient novel feature extraction for biosignal processing

A 2 MS/s 10A Hall current sensor SoC with digital compressive sensing encoder in 0.16 µm BCD

Statistical Power Estimation of Behavioral Descriptions

Energy-Efficient Value-Based Selective Refresh for Embedded DRAMs

A biofeedback based portable device to support elderly mobility in the home environment

Assessment of Water Resources Availability and Groundwater Salinization in Future Climate and Land use Change Scenarios: A Case Study from a Coastal Drainage Basin in Italy

SDRAM-Energy-Aware Memory Allocation for Dynamic Multi-Media Applications on Multi-Processor Platforms

Long-Term ECG monitoring with zeroing Compressed Sensing approach

Digitally controlled feedback for DC offset cancellation in a wearable multichannel EMG platform

Tackling the bottleneck of delay tables in 3D ultrasound imaging

60. Dysphagia in different types of myopathy

EMG-based hand gesture recognition with flexible analog front end

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