AIMC Topic: Phantoms, Imaging

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Multimodal US-gamma imaging using collaborative robotics for cancer staging biopsies.

International journal of computer assisted radiology and surgery Aug 9, 2016
PURPOSE: The staging of female breast cancer requires detailed information about the level of cancer spread through the lymphatic system. Common practice to obtain this information for patients with early-stage cancer is sentinel lymph node (SLN) bio...
Neoplasm Staging Biopsy, Needle Sentinel Lymph Node Biopsy Phantoms, Imaging Humans Female Adult Breast Neoplasms Ultrasonography Multimodal Imaging Robotics
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Towards human-controlled, real-time shape sensing based flexible needle steering for MRI-guided percutaneous therapies.

The international journal of medical robotics + computer assisted surgery : MRCAS Aug 4, 2016
BACKGROUND: Accurate needle placement into soft tissue is essential to percutaneous prostate cancer diagnosis and treatment procedures.
Equipment Design Injections Needles Image-Guided Biopsy Feedback Computer Systems Robotics Refractometry Transducers Micro-Electrical-Mechanical Systems Magnetic Resonance Imaging, Interventional Phantoms, Imaging Equipment Failure Analysis Man-Machine Systems Systems Integration Humans Reproducibility of Results Sensitivity and Specificity
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A neural network-based method for spectral distortion correction in photon counting x-ray CT.

Physics in medicine and biology Jul 29, 2016
Spectral CT using a photon counting x-ray detector (PCXD) shows great potential for measuring material composition based on energy dependent x-ray attenuation. Spectral CT is especially suited for imaging with K-edge contrast agents to address the ot...
Neural Networks, Computer Algorithms Tomography, X-Ray Computed Radiographic Image Interpretation, Computer-Assisted Artifacts Phantoms, Imaging Photons Animals Mice Mice, Inbred C57BL
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Simultaneous intrinsic and extrinsic calibration of a laser deflecting tilting mirror in the projective voltage space.

International journal of computer assisted radiology and surgery Jun 13, 2016
PURPOSE  : During the past five decades, laser technology emerged and is nowadays part of a great number of scientific and industrial applications. In the medical field, the integration of laser technology is on the rise and has already been widely a...
Lasers Calibration Algorithms Humans Phantoms, Imaging Imaging, Three-Dimensional Robotics Surgery, Computer-Assisted
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Development of a control algorithm for the ultrasound scanning robot (NCCUSR) using ultrasound image and force feedback.

The international journal of medical robotics + computer assisted surgery : MRCAS Jun 8, 2016
BACKGROUND: Clinicians who frequently perform ultrasound scanning procedures often suffer from musculoskeletal disorders, arthritis, and myalgias. To minimize their occurrence and to assist clinicians, ultrasound scanning robots have been developed w...
Equipment Failure Analysis Systems Integration Touch Transducers Micromanipulation Equipment Design Image Interpretation, Computer-Assisted Stress, Mechanical Phantoms, Imaging Feedback Ultrasonography Robotics Humans Algorithms Reproducibility of Results Sensitivity and Specificity
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ATLAAS: an automatic decision tree-based learning algorithm for advanced image segmentation in positron emission tomography.

Physics in medicine and biology Jun 8, 2016
Accurate and reliable tumour delineation on positron emission tomography (PET) is crucial for radiotherapy treatment planning. PET automatic segmentation (PET-AS) eliminates intra- and interobserver variability, but there is currently no consensus on...
Phantoms, Imaging Decision Trees Positron-Emission Tomography Automation Machine Learning Image Processing, Computer-Assisted
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Morphological Computation of Haptic Perception of a Controllable Stiffness Probe.

PloS one Jun 3, 2016
When people are asked to palpate a novel soft object to discern its physical properties such as texture, elasticity, and even non-homogeneity, they not only regulate probing behaviors, but also the co-contraction level of antagonistic muscles to cont...
Mechanoreceptors Fingers Humans Perception Models, Theoretical Phantoms, Imaging Robotics Touch Perception
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On the influence of spread constant in radial basis networks for electrical impedance tomography.

Physiological measurement May 20, 2016
Electrical impedance tomography (EIT) is a non-invasive imaging technique. The main task of this work is to solve a non-linear inverse problem, for which several techniques have been suggested, but none of which gives a very high degree of accuracy. ...
Neural Networks, Computer Computer Simulation Image Processing, Computer-Assisted Electric Impedance Phantoms, Imaging Tomography
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A novel curvature-controllable steerable needle for percutaneous intervention.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine May 19, 2016
Over the last few decades, flexible steerable robotic needles for percutaneous intervention have been the subject of significant interest. However, there still remain issues related to (a) steering the needle's direction with less damage to surroundi...
Phantoms, Imaging Gelatin Biomedical Engineering Robotics Equipment Design Administration, Cutaneous Needles Animals Cattle Liver Humans Algorithms
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Accelerated partial breast irradiation using robotic radiotherapy: a dosimetric comparison with tomotherapy and three-dimensional conformal radiotherapy.

Radiation oncology (London, England) Feb 27, 2016
BACKGROUND: Accelerated partial breast irradiation (APBI) is a new breast treatment modality aiming to reduce treatment time using hypo fractionation. Compared to conventional whole breast irradiation that takes 5 to 6 weeks, APBI is reported to indu...
Radiotherapy Dosage Radiotherapy, Intensity-Modulated Radiometry Humans Radiation Injuries Radiosurgery Breast Neoplasms Radiotherapy Planning, Computer-Assisted Female Radiotherapy, Conformal Radiotherapy Imaging, Three-Dimensional Robotics Breast Respiration Phantoms, Imaging Movement Surgical Instruments
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