Search results for "lcsh:Photography"

showing 3 items of 3 documents

Radiomics and Prostate MRI: Current Role and Future Applications

2021

Multiparametric prostate magnetic resonance imaging (mpMRI) is widely used as a triage test for men at a risk of prostate cancer. However, the traditional role of mpMRI was confined to prostate cancer staging. Radiomics is the quantitative extraction and analysis of minable data from medical images; it is emerging as a promising tool to detect and categorize prostate lesions. In this paper we review the role of radiomics applied to prostate mpMRI in detection and localization of prostate cancer, prediction of Gleason score and PI-RADS classification, prediction of extracapsular extension and of biochemical recurrence. We also provide a future perspective of artificial intelligence (machine …

Biochemical recurrencemedicine.medical_specialtyReviewlcsh:Computer applications to medicine. Medical informaticslcsh:QA75.5-76.95030218 nuclear medicine & medical imaging03 medical and health sciencesProstate cancer0302 clinical medicineRadiomicsProstatelocalmedicineRadiology Nuclear Medicine and imaginglcsh:PhotographyGleason scoreElectrical and Electronic EngineeringMultiparametric Magnetic Resonance ImagingFuture perspectivemedicine.diagnostic_testbusiness.industryMagnetic resonance imaginglcsh:TR1-1050prostate cancerartificial intelligencemultiparametric magnetic resonance imagingneoplasm recurrencemedicine.diseaseComputer Graphics and Computer-Aided Designprostate cancer; artificial intelligence; multiparametric magnetic resonance imaging; Gleason score; neoplasm recurrence; localmedicine.anatomical_structure030220 oncology & carcinogenesislcsh:R858-859.7lcsh:Electronic computers. Computer scienceComputer Vision and Pattern RecognitionRadiologyProstate cancer stagingbusiness
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A Multi-Projector Calibration Method for Virtual Reality Simulators with Analytically Defined Screens

2017

The geometric calibration of projectors is a demanding task, particularly for the industry of virtual reality simulators. Different methods have been developed during the last decades to retrieve the intrinsic and extrinsic parameters of projectors, most of them being based on planar homographies and some requiring an extended calibration process. The aim of our research work is to design a fast and user-friendly method to provide multi-projector calibration on analytically defined screens, where a sample is shown for a virtual reality Formula 1 simulator that has a cylindrical screen. The proposed method results from the combination of surveying, photogrammetry and image processing approac…

simulatorComputer scienceCalibration (statistics)ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISIONImage processing02 engineering and technologyVirtual realitylcsh:Computer applications to medicine. Medical informatics01 natural scienceslcsh:QA75.5-76.95010309 opticsSimulació per ordinadorComputer graphics (images)0103 physical sciences0202 electrical engineering electronic engineering information engineeringimage processing; projector calibration; virtual reality; simulator; surveyingRadiology Nuclear Medicine and imagingPoint (geometry)lcsh:PhotographysurveyingElectrical and Electronic EngineeringRealitat virtualProcess (computing)020207 software engineeringlcsh:TR1-1050Computer Graphics and Computer-Aided DesignSample (graphics)projector calibrationimage processingTask (computing)Photogrammetryvirtual realitylcsh:R858-859.7lcsh:Electronic computers. Computer scienceComputer Vision and Pattern RecognitionImatges ProcessamentJournal of Imaging
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A Computational Study on Temperature Variations in MRgFUS Treatments Using PRF Thermometry Techniques and Optical Probes

2021

Structural and metabolic imaging are fundamental for diagnosis, treatment and follow-up in oncology. Beyond the well-established diagnostic imaging applications, ultrasounds are currently emerging in the clinical practice as a noninvasive technology for therapy. Indeed, the sound waves can be used to increase the temperature inside the target solid tumors, leading to apoptosis or necrosis of neoplastic tissues. The Magnetic resonance-guided focused ultrasound surgery (MRgFUS) technology represents a valid application of this ultrasound property, mainly used in oncology and neurology. In this paper

Optical fiberMaterials scienceInterferometric optical fibers MRgFUS Proton resonance frequency shift RBF neural networks Referenceless thermometry Temperature variationslcsh:Computer applications to medicine. Medical informaticsImaging phantomlcsh:QA75.5-76.95Article030218 nuclear medicine & medical imaginglaw.invention03 medical and health sciencesinterferometric optical fibers0302 clinical medicinelawMedical imagingRadiology Nuclear Medicine and imaginglcsh:PhotographyElectrical and Electronic EngineeringReferenceless ther-mometryProton resonance frequencytemperature variationsbusiness.industryMRgFUSUltrasoundproton resonance frequency shiftFocused ultrasound surgerylcsh:TR1-1050Computer Graphics and Computer-Aided DesignRBF neural networksClinical PracticeInterferometryreferenceless thermometrylcsh:R858-859.7Computer Vision and Pattern Recognitionlcsh:Electronic computers. Computer sciencebusiness030217 neurology & neurosurgeryInterferometric optical fibers; MRgFUS; Proton resonance frequency shift; RBF neural networks; Referenceless ther-mometry; Temperature variationsBiomedical engineeringJournal of Imaging
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