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Medical Physics, ISSN 0094-2405, 01/2013, Volume 40, Issue 1, pp. 011702 - n/a
Purpose: To utilize a deformable phantom to objectively evaluate the accuracy of 11 different deformable image registration (DIR) algorithms. Methods: The... 
Medical image noise | dosimetry | image registration | mathematics computing | deformable phantom | Compositions of oils, fats or waxes; Compositions of derivatives thereof | regularization | Medical image contrast | phantoms | Digital computing or data processing equipment or methods, specially adapted for specific applications | Computed tomography | fats | Registration | rubber | Image forming and processing | deformation | deformable image registration | Computerised tomographs | medical image processing | biological organs | Medical imaging | deformation verification | plastics | bone | image similarity | Anatomy | Biomechanics | computerised tomography | Image data processing or generation, in general | radiation therapy | Cameras | Medical image spatial resolution | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | Dosimetry/exposure assessment | biomedical optical imaging | MULTI-INSTITUTION | DOSE ACCUMULATION | PHANTOM | ALGORITHM | ACCURACY | TECHNICAL NOTE | ADAPTIVE RADIATION-THERAPY | MUTUAL INFORMATION | 4D CT IMAGES | RADIOTHERAPY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Algorithms | Humans | Urinary Bladder - diagnostic imaging | Tomography, X-Ray Computed | Image Processing, Computer-Assisted - methods | Imaging, Three-Dimensional | Phantoms, Imaging | PROSTATE | PATIENTS | RECTUM | RADIATION PROTECTION AND DOSIMETRY | ALGORITHMS | 60 APPLIED LIFE SCIENCES | COMPUTERIZED TOMOGRAPHY | SKELETON | IMAGES | PHANTOMS | BLADDER | URETHANE
Journal Article
Medical Physics, ISSN 0094-2405, 08/2015, Volume 42, Issue 8, pp. 4974 - 4986
Purpose: MR‐based pseudo‐CT has an important role in MR‐based radiation therapy planning and PET attenuation correction. The purpose of this study is to... 
Cluster analysis | biomedical MRI | image classification | MRI | fuzzy set theory | Compositions of oils, fats or waxes; Compositions of derivatives thereof | UTE | Tissues | Digital computing or data processing equipment or methods, specially adapted for specific applications | image sampling | image enhancement | Computed tomography | Involving electronic [emr] or nuclear [nmr] magnetic resonance, e.g. magnetic resonance imaging | fats | feature extraction | Clinical applications | data acquisition | spin‐spin relaxation | Computerised tomographs | medical image processing | Reconstruction | Pulse sequences | Image enhancement or restoration, e.g. from bit‐mapped to bit‐mapped creating a similar image | bone | image reconstruction | brain | image matching | water | computerised tomography | pattern clustering | Image data processing or generation, in general | Medical image reconstruction | Methods or arrangements for processing data by operating upon the order or content of the data handled | clustering | neurophysiology | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | Spatial resolution | undersampling | Medical image artifacts | CT | RADIATION-THERAPY | ONLY RADIOTHERAPY | PET/MRI | ATTENUATION CORRECTION METHODS | ULTRASHORT ECHO TIME | INTEGRATED WHOLE-BODY | PROSTATE-CANCER | PET QUANTIFICATION | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | ELECTRON-DENSITY | Tomography - methods | Brain - anatomy & histology | Humans | Skull - anatomy & histology | Magnetic Resonance Imaging - methods | Cluster Analysis | Feasibility Studies | CORRECTIONS | PATIENTS | RADIATION PROTECTION AND DOSIMETRY | SKULL | ANIMAL TISSUES | RADIATION DOSES | ALGORITHMS | 60 APPLIED LIFE SCIENCES | FUZZY LOGIC | IMAGES | POSITRON COMPUTED TOMOGRAPHY | FATS | RADIOTHERAPY | BRAIN | Radiation Therapy Physics
Journal Article
Medical Physics, ISSN 0094-2405, 03/2013, Volume 40, Issue 3, pp. 031108 - n/a
Purpose: To quantify the concentration of soft-tissue components of water, fat, and calcium through the decomposition of the x-ray spectral signatures in... 
image classification | Compositions of oils, fats or waxes; Compositions of derivatives thereof | plaque imaging | Lipids | Tissues | Biochemistry; Beer; Spirits; Wine; Vinegar; Microbiology; Enzymology; Mutation or genetic engineering | phantoms | Digital computing or data processing equipment or methods, specially adapted for specific applications | optimisation | Computed tomography | Numerical optimization | Medical X‐ray imaging | Photometers, radiometers, and colorimeters | fats | photon counting | Materials properties | iodine | Image detection systems | Computerised tomographs | medical image processing | Reconstruction | least squares approximations | calcium | Medical imaging | blood vessels | image reconstruction | multi‐energy CT | water | computerised tomography | Photometry, e.g. photographic exposure meter | Image data processing or generation, in general | biochemistry | photon counting detector | material decomposition | Medical image reconstruction | General statistical methods | molecular biophysics | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | multi-energy CT | ENERGY | DETECTORS | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | COMPUTED-TOMOGRAPHY | Water | Image Processing, Computer-Assisted | Oils | Humans | Tomography, X-Ray Computed - methods | Photons | Carotid Stenosis - diagnostic imaging | Phantoms, Imaging | Iodine | Tomography, X-Ray Computed - instrumentation | Online Only
Journal Article
Medical Physics, ISSN 0094-2405, 08/2015, Volume 42, Issue 8, pp. 4668 - 4677
Purpose: Obesity and its consequences, such as diabetes, are global health issues that burden about 171 × 106 adult individuals worldwide. Fat mass index (FMI,... 
Computer software | Compositions of oils, fats or waxes; Compositions of derivatives thereof | mass | regression analysis | skin | paediatrics | Digital computing or data processing equipment or methods, specially adapted for specific applications | body composition | physiological models | Medical X‐ray imaging | demography | fats | feature extraction | muscle | Eigenvalues | active vision | absorptiometry | medical image processing | Reconstruction | Demographic studies | active shape modeling | Muscles | diseases | diagnostic radiography | image reconstruction | Biological material, e.g. blood, urine; Haemocytometers | silhouettes | medical disorders | Radiography | dual‐energy x‐ray | Height measurements | Image analysis | Image data processing or generation, in general | Telephones | Cameras | geometry | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | dual-energy x-ray | CHART ANALYSIS | RISK-FACTORS | BONE-MINERAL DENSITY | MASS INDEX | SAGITTAL ABDOMINAL DIAMETER | CHILDREN | REFERENCE CURVES | WAIST CIRCUMFERENCE | FAT | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | BIOELECTRICAL-IMPEDANCE ANALYSIS | Body Composition | Body Weight | Prospective Studies | Age Factors | Cross-Sectional Studies | Humans | Linear Models | Male | Algorithms | Models, Biological | Adolescent | Sex Factors | Absorptiometry, Photon - methods | Anthropometry - methods | Body Height | Female | Whole Body Imaging - methods | Child | Principal Component Analysis | Supine Position | Tissue Measurements
Journal Article
Medical Physics, ISSN 0094-2405, 08/2014, Volume 41, Issue 8Part1, pp. 313 - n/a
Purpose: Selecting optimal features from a large image feature pool remains a major challenge in developing computer‐aided detection (CAD) schemes of medical... 
Segmentation | image classification | Neural engineering | Compositions of oils, fats or waxes; Compositions of derivatives thereof | Medical image contrast | Optimization | Digital computing or data processing equipment or methods, specially adapted for specific applications | Network topology | Databases | fats | feature extraction | image segmentation | feature selection | medical image processing | medical image analysis | computer‐aided detection (CAD) | Analysis of texture | Medical image segmentation | biological tissues | Mammography | genetic algorithms | Biological material, e.g. blood, urine; Haemocytometers | Topology | image texture | artificial neural networks | Testing procedures | Image analysis | Image data processing or generation, in general | sequential floating forward selection (SFFS) | Methods or arrangements for processing data by operating upon the order or content of the data handled | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | neural nets | Cancer | computer-aided detection (CAD) | DIGITIZED MAMMOGRAMS | TEXTURE ANALYSIS | CONTRAST ENHANCEMENT | NORMAL BREAST-TISSUE | GENETIC ALGORITHM | CANCER DIAGNOSIS | NEURAL-NETWORK ARCHITECTURE | ASSISTED DETECTION SCHEMES | AUTOMATED DETECTION | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | COMPUTER-AIDED DETECTION | Algorithms | Datasets as Topic | Radiographic Image Interpretation, Computer-Assisted - methods | Time Factors | Area Under Curve | Humans | ROC Curve | Breast Neoplasms - diagnostic imaging | Mammography - methods | Pattern Recognition, Automated - methods | Neural Networks (Computer) | Radiation Imaging Physics
Journal Article
Medical Physics, ISSN 0094-2405, 07/2014, Volume 41, Issue 7, pp. 071905 - n/a
Purpose: A major challenge when distinguishing glandular tissues on mammograms, especially for area-based estimations, lies in determining a boundary on a hazy... 
Segmentation | image classification | Computer software | Compositions of oils, fats or waxes; Compositions of derivatives thereof | Digital mammography | Tissues | Digital computing or data processing equipment or methods, specially adapted for specific applications | Visual system | quantitative measure | fats | image segmentation | Film mammography | learning (artificial intelligence) | medical image processing | full field digital mammography | mammographic breast density | mammography | prior statistics | Probability theory | Medical image segmentation | biological tissues | Biological material, e.g. blood, urine; Haemocytometers | Inference methods or devices | Image data processing or generation, in general | level set | In which a programme is changed according to experience gained by the computer itself during a complete run; Learning machines | Bayes methods | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | Cancer | CANCER RISK | METAANALYSIS | CLASSIFICATION | QUANTITATIVE-ANALYSIS | CARCINOMA IN-SITU | ACCURACY | SEGMENTATION | FIELD DIGITAL MAMMOGRAPHY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | BREAST PERCENT DENSITY | PARENCHYMAL PATTERNS | Reproducibility of Results | Humans | Middle Aged | Probability | Adipose Tissue - diagnostic imaging | Breast Neoplasms | Algorithms | Radiographic Image Interpretation, Computer-Assisted - methods | Bayes Theorem | Mammary Glands, Human - abnormalities | Adult | Female | Aged | Breast Density | Mammography - methods | Pattern Recognition, Automated - methods | Databases, Factual
Journal Article
Medical Physics, ISSN 0094-2405, 06/2013, Volume 40, Issue 6, pp. 061902 - n/a
Purpose: To investigate the feasibility of a three-material compositional measurement of water, lipid, and protein content of breast tissue with dual kVp... 
Measuring for diagnostic purposes; Identification of persons | Chemical analysis | Lipids | Tissues | phantoms | biomedical measurement | Computed tomography | Standards and calibration | proteins | polymers | functional imaging | calibration | Computerised tomographs | dual energy | Medical imaging | breast density | plastics | biological tissues | diagnostic radiography | Mammography | water | computerised tomography | Cone beam computed tomography | lipid bilayers | Calibrating of instruments or apparatus | Testing or calibrating of apparatus or arrangements provided for in groups G01D1/00 to G01D15/00 | X‐ray scattering | vegetable oils | sensitivity | molecular biophysics | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | Cancer | PHANTOM | DETECTOR | PADDLE TILT CORRECTION | X-RAY-SPECTRA | DENSITY | CT | DIGITAL MAMMOGRAPHY | CANCER-DETECTION | VEILING GLARE | EXPERIMENTAL FEASIBILITY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Breast - chemistry | Reproducibility of Results | Humans | Radiography, Dual-Energy Scanned Projection - methods | Sensitivity and Specificity | Water - analysis | Absorptiometry, Photon - methods | Female | Proteins - analysis | Lipids - analysis | Cone-Beam Computed Tomography - methods | Cadaver | CALIBRATION | DIAGNOSIS | VEGETABLE OILS | MAMMARY GLANDS | NEOPLASMS | DECOMPOSITION | PLASTICS | PLANT TISSUES | ANIMAL TISSUES | SIMULATION | COMPUTERIZED TOMOGRAPHY | CHEMICAL ANALYSIS | RADIOLOGY AND NUCLEAR MEDICINE | PHANTOMS | PROTEINS | LIPIDS | Radiation Imaging Physics
Journal Article
Medical Physics, ISSN 0094-2405, 05/2014, Volume 41, Issue 5, pp. 051901 - n/a
Purpose: To evaluate a three-equation three-unknown dual-energy quantitative CT (DEQCT) technique for determining region specific variations in bone spongiosa... 
cellular biophysics | Segmentation | dosimetry | Compositions of oils, fats or waxes; Compositions of derivatives thereof | subregion analysis | radioisotopes | Scintigraphy | Single‐slice | phantoms | Computed tomography | Medical X‐ray imaging | fats | image segmentation | Materials properties | calibration | Computerised tomographs | medical image processing | Image scanners | Medical imaging | bone | Biological material, e.g. blood, urine; Haemocytometers | bone marrow | phantom study | computerised tomography | radiation therapy | X‐ray scattering | Germanium | Therapeutic applications, including brachytherapy | quantitative computed tomography | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | X‐ray effects | Dosimetry/exposure assessment | MINERAL DENSITY | CELLULARITY | FAT | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | AGE | Humans | Tomography, X-Ray Computed - methods | Bone Marrow - radiation effects | Calibration | Radiation Dosage | Adipose Tissue - radiation effects | Body Size - radiation effects | Algorithms | Models, Biological | Radiotherapy - methods | Spinal Cord Dorsal Horn - radiation effects | Bone and Bones - radiation effects | Lumbar Vertebrae | Radiometry - methods | CORRECTIONS | CALIBRATION | ERRORS | EVALUATION | RADIATION DOSES | SPATIAL DISTRIBUTION | ACCURACY | SKELETON | TRABECULAR BONE | IMAGES | RADIOLOGY AND NUCLEAR MEDICINE | FATS | PHANTOMS | RADIOTHERAPY | DOSIMETRY | Radiation Imaging Physics
Journal Article
Medical Physics, ISSN 0094-2405, 11/2013, Volume 40, Issue 11, pp. 112302 - n/a
Journal Article
Medical Physics, ISSN 0094-2405, 12/2012, Volume 39, Issue 12, pp. 7553 - 7559
Purpose: The goal of this work was to develop a method of calculating blood flow and xenon solubility coefficient (λ) in the hepatic tissue by xenon-enhanced... 
Measuring blood flow | Medical imaging | Fluid mechanics and rheology | Atmospheric pressure | liver | Tissue engineering | Compositions of oils, fats or waxes; Compositions of derivatives thereof | biological tissues | blood vessels | diseases | xenon | Tissues | computerised tomography | Computed tomography | fats | blood flow measurement | Flow visualization | solubility | Haemodynamics | Hemodynamics | Computerised tomographs | Animal or vegetable oils, fats, fatty substances or waxes; Fatty acids therefrom; Detergents; Candles | Measuring volume, volume flow, mass flow, or liquid level; Metering by volume | computed tomography | QUANTIFICATION | NONALCOHOLIC STEATOHEPATITIS | ARTERIAL | MAGNETIC-RESONANCE-SPECTROSCOPY | CIRRHOSIS | QUANTITATIVE ASSESSMENT | FATTY LIVER | PERFUSION | PARTITION | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Liver Circulation | Reproducibility of Results | Xenon - pharmacokinetics | Fatty Liver - physiopathology | Humans | Middle Aged | Perfusion Imaging - methods | Solubility | Contrast Media - pharmacokinetics | Tomography, X-Ray Computed - methods | Male | Liver - physiopathology | Fatty Liver - diagnostic imaging | Liver - diagnostic imaging | Sensitivity and Specificity | Blood Flow Velocity | Non-alcoholic Fatty Liver Disease | Adiposity - physiology | Xenon - chemistry
Journal Article