International Conference of the IEEE Engineering in Medicine and Biology Society. Proceedings

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  1. Impaired regulation post-stroke of motor unit firing behavior during volitional relaxation of knee extensor torque assessed using high density surface EMG decomposition.

    International Conference of the IEEE Engineerin... 2015:4606 (2015) PMID 26737320

    The purpose of this study was to use high density surface EMG recordings to quantify stroke-related abnormalities in motor unit firing behavior during repeated sub-maximal knee extensor contractions. A high density surface EMG system (sEMG) was used to record and extract single motor unit firing...
  2. Theoretical analysis of phantom rotations in BSD-DTI.

    International Conference of the IEEE Engineerin... 2015:410 (2015) PMID 26736286

    A novel method of improving accuracy of diffusion tensor imaging (DTI), called BSD-DTI (B-spatial distribution in DTI), has been recently proposed. Determination of the b matrix components using an anisotropic phantom, and derivation of the spatial distribution are of the essence in this approac...
  3. Transfer representation learning for medical image analysis.

    International Conference of the IEEE Engineerin... 2015:711 (2015) PMID 26736361

    There are two major challenges to overcome when developing a classifier to perform automatic disease diagnosis. First, the amount of labeled medical data is typically very limited, and a classifier cannot be effectively trained to attain high disease-detection accuracy. Second, medical domain kn...
  4. Hyperspectral image acquisition and analysis of cultured bacteria for the discrimination of urinary tract infections.

    International Conference of the IEEE Engineerin... 2015:759 (2015) PMID 26736373

    Because of their widespread diffusion and impact on human health, early identification of pathogens responsible for urinary tract infections (UTI) is one of the main challenges of clinical microbiology. Currently, bacteria culturing on Chromogenic plates is widely adopted for UTI detection for i...
  5. Segmentation of ultrasound images of fetal anatomic structures using random forest for low-cost settings.

    International Conference of the IEEE Engineerin... 2015:793 (2015) PMID 26736381

    In ultrasound imaging, manual extraction of contours of fetal anatomic structures from echographic images have been found to be very challenging due to speckles and low contrast characteristic features. Contours extracted are therefore associated with variability of human observers. In this case...
  6. A 3D sparse motion field filtering for quantitative analysis of fascial layers mobility based on 3D ultrasound scans.

    International Conference of the IEEE Engineerin... 2015:775 (2015) PMID 26736377

    In the last few years, there has been an increasing interest in the role of deep fascia mobility in musculoskeletal dynamics and chronic pain mechanisms. In a previous paper we presented an innovative semiautomatic approach to evaluate the 3D motion of the fascia using ultrasound (US) imaging, g...
  7. Estimating flow rate and total volume of simulated urine flow noninvasively from a monocular camera.

    International Conference of the IEEE Engineerin... 2015:751 (2015) PMID 26736371

    Urodynamics measurement tools in practical use carry the risk of nosocomial infection and invasiveness. Our study proposes a new method for urinary flow estimation. We propose multiple cylindrical model to estimate the amount of liquid volume from images taken by a monocular camera. This model i...
  8. Multiscale edge detection and parametric shape modeling for boundary delineation in optoacoustic images.

    International Conference of the IEEE Engineerin... 2015:707 (2015) PMID 26736360

    In this article, we present a novel scheme for segmenting the image boundary (with the background) in optoacoustic small animal in vivo imaging systems. The method utilizes a multiscale edge detection algorithm to generate a binary edge map. A scale dependent morphological operation is employed ...
  9. Preprocessing with image denoising and histogram equalization for endoscopy image analysis using texture analysis.

    International Conference of the IEEE Engineerin... 2015:789 (2015) PMID 26736380

    A preprocessing method for endoscopy image analysis using texture analysis is proposed. In a previous study, we proposed a feature value that combines a co-occurrence matrix and a run-length matrix to analyze the extent of early gastric cancer from images taken with narrow-band imaging endoscopy...
  10. Automatic segmentation of the rima glottidis in 4D laryngeal CT scans in Parkinson's disease.

    International Conference of the IEEE Engineerin... 2015:739 (2015) PMID 26736368

    Parkinson's disease (PD) is a progressive, incurable neuro-degenerative disease. Symptoms appear when approximately 70% of mid-brain dopaminergic neurons have died. Temporal analysis of the calculated area of the rima glottidis may give an indication of vocal impairment. In this paper, we presen...
  11. A generalizable adaptive brain-machine interface design for control of anesthesia.

    International Conference of the IEEE Engineerin... 2015:1099 (2015) PMID 26736457

    Brain-machine interfaces (BMIs) for closed-loop control of anesthesia have the potential to automatically monitor and control brain states under anesthesia. Since a variety of anesthetic states are needed in different clinical scenarios, designing a generalizable BMI architecture that can contro...
  12. Combining firing rate and spike-train synchrony features in the decoding of motor cortical activity.

    International Conference of the IEEE Engineerin... 2015:1091 (2015) PMID 26736455

    Decoding of directional information in the motor cortex traditionally utilizes only firing rate information. However, information from other features could be extracted and combined with firing rate in order to increase classification accuracy. This study proposes the combination of firing rate ...
  13. Evaluation of touch-sensitive screen tablet terminal button size and spacing accounting for effect of fingertip contact angle.

    International Conference of the IEEE Engineerin... 2015:1148 (2015) PMID 26736469

    Touch-sensitive screen terminals enabling intuitive operation are used as input interfaces in a wide range of fields. Tablet terminals are one of the most common devices with a touch-sensitive screen. They have a feature of good portability, enabling use under various conditions. On the other ha...
  14. Decoding fast-paced error-related potentials in monitoring protocols.

    International Conference of the IEEE Engineerin... 2015:1111 (2015) PMID 26736460

    Error-related EEG potentials (ErrP) can be used for brain-machine interfacing (BMI). Decoding of these signals, indicating subject's perception of erroneous system decisions or actions can be used to correct these actions or to improve the overall interfacing system. Multiple studies have shown ...
  15. Image based quantitative reader for Lateral flow immunofluorescence assay.

    International Conference of the IEEE Engineerin... 2015:1223 (2015) PMID 26736487

    Fluorescence Lateral flow immunoassays (LFIA) have wide range of applications in point-of-care testing (POCT). An integrated, motion-free, accurate, reliable reader that performs automated quantitative analysis of LFIA is essential for POCT diagnosis. We demonstrate an image based quantitative m...
  16. A novel holding mechanism for next generation active wireless capsule endoscopy.

    International Conference of the IEEE Engineerin... 2015:1181 (2015) PMID 26736477

    This paper proposes that next generation wireless capsule endoscopy (WCE) technology will feature active mechanical components (i.e. actuated) as opposed to current systems that are predominantly passive (e.g. for imaging purposes). Future systems will integrate microsystems that use micro-actua...
  17. A Brain-Computer Interface (BCI) system to use arbitrary Windows applications by directly controlling mouse and keyboard.

    International Conference of the IEEE Engineerin... 2015:1087 (2015) PMID 26736454

    A Brain-Computer Interface (BCI) allows to control a computer by brain activity only, without the need for muscle control. In this paper, we present an EEG-based BCI system based on code-modulated visual evoked potentials (c-VEPs) that enables the user to work with arbitrary Windows applications...
  18. Development of an MRI-powered robotic system for cryoablation.

    International Conference of the IEEE Engineerin... 2015:1186 (2015) PMID 26736478

    This study proposes a novel MRI-powered robotic system controlled with the magnetic field generated by a magnetic resonance imaging (MRI) scanner. In the proposed system, we use an MRI-powered actuator unit proposed in the previous study and a spherical positioning mechanism. The actuator unit c...
  19. Sleep state classification using pressure sensor mats.

    International Conference of the IEEE Engineerin... 2015:1207 (2015) PMID 26736483

    Sleep state detection is valuable in assessing patient's sleep quality and in-bed general behavior. In this paper, a novel classification approach of sleep states (sleep, pre-wake, wake) is proposed that uses only surface pressure sensors. In our method, a mobility metric is defined based on suc...
  20. Structure of the set of feasible neural commands for complex motor tasks.

    International Conference of the IEEE Engineerin... 2015:1440 (2015) PMID 26736540

    The brain must select its control strategies among an infinite set of possibilities; researchers believe that it must be solving an optimization problem. While this set of feasible solutions is infinite and lies in high dimensions, it is bounded by kinematic, neuromuscular, and anatomical constr...