• The main aim of this paper is to study the potential of rockburst in a longwall coal mine by using of passive seismic velocity tomography and image subtraction technique. (deepdyve.com)
  • To perform lung image registration for reducing misregistration artifacts on three-dimensional (3D) temporal subtraction of chest computed tomography (CT) images, in order to enhance temporal changes in lung lesions and evaluate these changes after deformable image registration (DIR). (hindawi.com)
  • The purpose of this study was, firstly, to explore the feasibility of the modified PSO technique for C7 by simulating osteotomy on computed tomography (CT) scanning, and secondly, to investigate the efficacy of the modified C7PSO technique on a series of patients with cervicothoracic kyphosis secondary to ankylosing spondylitis. (biomedcentral.com)
  • Diagnostic imaging, and in particular medical diagnostic imaging, is generally provided by CT and MR systems, as well as those using positron emission tomography (PET), and other techniques. (google.com)
  • They tested the algorithm using images from 50 subjects and comparing the retinal thickness with that measured using optical coherence tomography - a technique that offers superior axial resolution and therefore served as a good standard for comparison. (photonics.com)
  • A computed tomography device comprising a subtraction unit which obtains differential data strings representing the difference between each time-serial projection data string of a group of projection data strings corresponding to a prospective reconstruction image generated by projection data strings. (google.ca)
  • A variety of techniques have been used to identify the cDNAs representing genes of interest associated with various biological processes. (springer.com)
  • After statistically analyzing the proliferation of the tested cells, the cells were cultivated again for RNA extraction and the Rapid Subtractive Hybridization ( RaSH ) technique was used to identify genes with altered expression. (biomedcentral.com)
  • The genes found using the RaSH technique were analyzed by Gene Ontology (GO) using Ingenuity Systems. (biomedcentral.com)
  • Although some patterns of gene expression, including increased expression of immune system cell surface activation molecules, confirm previous data obtained with other techniques, some novel genes that are differentially expressed have been identified. (nih.gov)
  • We have identified human prostate cancer- and tissue-specific genes using cDNA library subtraction in conjunction with high throughput microarray screening. (aacrjournals.org)
  • To speed the search for these unknown genes, scientists use a "subtraction" method to remove the bulk of ubiquitous, already-identified genes from a sample pool of genetic material, leaving behind a higher percentage of the undiscovered genes expressed less frequently or at low levels in an attempt to increase the probability of discovering these genes. (bio-medicine.org)
  • The results suggest that multiprotein immunoaffinity subtraction systems can be readily integrated into quantitative strategies to enhance detection of low abundance proteins in biomarker discovery studies. (mcponline.org)
  • We have developed a technique to differentiate tumor enhancement from postoperative changes and blood products on MR imaging. (spie.org)
  • Ramieri A, Miscusi M, Polli FM, Raco A, Costanzo G (2016) Non-Posterior Subtraction Osteotomy Surgery to Restore Lumbar Lordosis in the Hidden Sagittal Imbalance of the Adult Degenerative Spine. (omicsonline.org)
  • 2016) Conférence en neuroimagerie William Feindel / William Feindel Neuroimaging Lecture, Réseau de Bio-Imagerie du Québec / Quebec Bio-Imaging Network. (usherbrooke.ca)
  • It is mainly performed using double-phase or dual-tracer subtraction methods. (springer.com)
  • We aimed to evaluate the accuracy of double-phase and subtraction methods in detecting abnormal gland as well as the potential effects of coexisting thyroid disease and clinical-laboratory data. (springer.com)
  • Minimizing boolean expressions via Algebraic methods or map based reduction techniques. (google.com)
  • Better methods of selecting patients for surgery, as well as better surgical techniques have made pseudoarthrosis a less common outcome of spinal fusion surgery. (srs.org)
  • Whole-body FDG-PET followed by conventional imaging techniques of areas of abnormal radionuclide uptake is more cost-effective than are conventional staging methods. (medscape.com)
  • Knowledge of quality methods and techniques. (printing.org)
  • The contributions deal with topics in the areas of data mining methods for cybersecurity, computational models and their applications to machine learning and pattern recognition, lifelong incremental learning for intelligent systems, application of intelligent methods in ecological informatics, pattern recognition from real-world information by svm and other sophisticated techniques, dynamics of neural networks, recent advances in brain-inspired technologies for robotics, neural information processing in cooperative multi-robot systems. (springer.com)
  • However, the surgical approach reported seems to be a viable choice usable in these compensated adult deformities, avoiding risks and complications of more aggressive pedicle subtraction osteotomies. (omicsonline.org)
  • The prehistory of arithmetic is limited to a small number of artifacts which may indicate the conception of addition and subtraction, the best-known being the Ishango bone from central Africa, dating from somewhere between 20,000 and 18,000 BC, although its interpretation is disputed. (wikipedia.org)
  • The purpose of this study is to compare the performance of the T1 3D subtraction technique and the conventional 2D dynamic contrast enhancement (DCE) technique in diagnosing Cushing's disease. (bvsalud.org)
  • The T1 3D subtraction technique shows superior performance for determining the presence of enhancement on pituitary lesions compared with conventional DCE techniques, which may aid in diagnosing Cushing's disease. (bvsalud.org)
  • In contrast, the independent mobility of the cervical bones, mandible, hyoid, or larynx cannot be compensated by using global rigid registration techniques and will, therefore, result in incomplete removal. (ajnr.org)
  • The surgical steps discussed in the video include lateral mass identification via anatomic landmarks, lateral mass screw fixation based on the technique described by Roy-Camille, cervical decompression via C5 through C7 laminectomy, and attempted fusion via bone graft positioning. (aaos.org)
  • Then, the three-dimensional tomograms using simultaneous iteration reconstruction technique (SIRT) for each day are created and by employing the velocity filtering, the overstressed zones are detected. (deepdyve.com)
  • Calculation of the mean difference and standard deviation of the difference between angiographic velocities and velocities calculated from EMF readings confirmed that the technique was independent of catheter position over this range, but that reduction of tube length resulted in a systematic reduction in mean flow velocity measurements. (ucl.ac.uk)
  • There was no significant variation in the performance of both techniques, considering clinical-laboratory data. (springer.com)
  • These data can guide preoperative technique selection when treating patients with ASD. (thejns.org)
  • To validate the interpolation technique, a flow phantom was imaged with a high acquisition frame rate, and interpolation was done in a lower frame rate and compared to the acquired data. (spie.org)
  • This video shows the surgical technique for posterior decompression and instrumented fusion in a 59-year-old man with C5 through C7 CSM and numbness and weakness at the superior limbs. (aaos.org)
  • Along with numerous illustrations and case studies, Vascular Imaging of the Central Nervous System: Physical Principles, Clinical Applications, and Emerging Techniques is an important book for those faced with choosing from the wide range of choices available for clinical practice. (ellibs.com)
  • Less invasive techniques were associated with a reduced ability to straighten the spine, particularly with advanced curves. (thejns.org)