human factors that influence our understanding of the nature of image features
Medical Imaging and Informatics pptx
... denotes the image gray levels, δ (φ ) is the Dirac measure (the derivative of the Heaviside function), c1 is the average of g inside the propagating curve, and c2 is the average of g outside the ... EuroPACS the new open-source version of their DPACS-2004 project [5], and the group of the Radiology Department of Padova, which presented the new open-source version of their Raynux /MARiS project ... the implementation of a wide set of IHE Integration profiles [8] 3.2 First Set of Products of the Open Three Consortium The first set of O3 products cover all the needs of image management in...
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principles and advanced methods in medical imaging and image analysis (wsp, 2008)
... collect the data with the measurement of energy after the interaction, and a method of reconstructing images of information about the characteristic property of the object from the collected data The ... noted that the point of emission of a positron is different from the point of annihilation with an electron Though the imaging process is aimed at the reconstruction of source representing the ... convolution of the object radiant energy distribution and the PSF of the image formation system It should be noted that the PSF is basically a degrading function that causes a blur in the image and...
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Medical imaging and augmented reality
... in the MR image by using an acquisition field -of- view (FOV) which is smaller than the actual size of the object In the resultant image this causes the edges of the object to be aliased into the ... match the velocity of the table to the velocity of the contrast bolus as it flows from the thorax to the abdomen and the legs This is critical in the performance of contrast-enhanced angiograms of ... to effect the desired therapy or repair, the patient is often severely physically traumatized in the process of exposing the site of the therapeutic target In one sense the objective of minimally...
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Handbook of Medical Imaging: Processing and Analysis Management pdf
... simply not apply the ®lter in parts of the input image where the kernel extends beyond the image As a result, the output images are typically smaller than the input image by the size of the kernel ... type of smoothing reduces noise in the image, but at the expense of the sharpness of edges [4, 5, 12, 13] Examples of the application of this kernel are seen in Fig 4(a±d) Note that the size of the ... technique The computational complexity of the algorithm goes up as the square of the size of the kernel It should be noted that since the transformation that is applied to the image depends on the...
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Mathematical Models for Registration and Applications to Medical Imaging pptx
... in the area of a lesion The magnitude of the effect on the solution depends on the character of the registration scheme employed It is not only that these effects are undesirable, but also that ... Registration Model with Incomplete Image Information bring similar regions of the images into correspondence For instance, in the situation that the intensities of the given images are comparable, a common ... information for image- guided surgery [13] In fact, images of two separate patients may even be compared to evaluate the extent of pathology of one in relation to the other [34] Similarly, an image of a...
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Computational intelligence in medical imaging techniques and applications
... c The input to the neural network consisted of the Cartesian coordinates of the set of points to be triangulated After the process of adaptation of the neural network, the weighting vectors of ... [56] [57] [58] Value of features Coordinate/magnitude Coordinate/intensity Value of features Intensity of pixels Value of features Value of features Value of features Value of features Remove noise ... corresponding to the collection of the centers of subimages, and NT is the number of pixels in RT After training, the MTANN is expected to produce images similar to the teaching images (i.e., bone-imagelike...
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Near infrared autofluorescence imaging and spectroscopy for early detection of precancer and cancer in the colon
... intensity profile alone the line as indicated on the image (a)…………40 Fig 3.3 The mean NIR AF intensity ratio of the melanin over the chicken muscle ±1 standard error (SE) with the increasement of depth ... procedure, and the stains are considered to be nontoxic at the concentrations used [37] However, because of the usage of the chemical dyes, the side effect of these chemical stains warrants further investigation ... intensity that is recorded in the presence of the analyzer is lower than that obtained in its absence This is a consequence of the decrease in the number of absorbing and emitting fluorophores The...
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Báo cáo y học: " Regional coordination in medical emergencies and major incidents; plan, execute and teach"
... about 5–10% of cases the RBL were contacted due to the medical nature of the case and the possibility of regional or national/international involvement The workload A total number of 936 activities ... Thus, often the anticipation of some major incidents necessitated performance of risk management by the centre's staff Although the number of alerts was rather stable, the duration and intensity of ... were some of the causes and the result was ambulance diversions and secondary overloading of the nearest hospital On the contrary, the number of traffic crashes showed a slight reduction There was...
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Báo cáo khoa học: "Effect of intern’s consecutive work hours on safety, medical education and professionalism"
... consecutive work hours to ensure the safety of patient care We believe, however, that development of ‘a sense of professionalism’ is not a function of whether a shift is 30 hours or is 16 hours, but ... clarification of the power, sample size, and statistical approach descriptions that appeared in our recent Journal Club review [1] of their studies examining the effect of reducing interns work hours in the ... measures for the number of patients admitted and cared for by interns in each study arm We stated that “based on the results of these studies, it seems that the ACGME resident work hour restrictions...
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Tài liệu DIGITAL LIBRARIES – A CHALLENGE FOR MEDICAL RESEARCH AND EDUCATION ppt
... that will be the infrastructure of the future digital library Maybe that is the sort of stuff that will make a world of information available by your fingertips at your desk in your own office or ... to these journals Journals that restrict access to their Web sites will lose popularity The Free Medical Journals Site is dedicated to the promotion of these free access medical journals over the ... topic and because of that there are problems of definition The main problem with defining it is the second part of the term - “Library” We can pretty much agree on the definition of the term “Digital”...
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Tài liệu Magnetic resonance imaging and gynecological devices doc
... levels of distortion in the surrounding tissue [5] The size and shape of the artifact depend on the size, shape, orientation and nature of the metal, as well as the sequences used in the exam [6] The ... location that varied between 0.3 and 0.4°C Even though the presence of a metallic component may influence the image, due to the slight magnetic susceptibility of copper and the small size of the devices, ... interactions with the magnetic field (torsion and deflection), temperature changes and the presence of image artifacts, Shellock [8] concluded that the use of Essure® did not increase the risk for the patients...
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Tài liệu HealthDoc: Customizing patient information and health education by medical condition and personal characteristics pptx
... the more salient In the draft text (10), the relationship between that of the first sentence and the second was that of circumstance, and that between the second and third was elaboration In the ... combination of the two) Either alternative requires the involvement of a human. 4 The author of a master document would normally be a medical writer, who will need to understand the nature of customized ... texts from the master document bring us to the question of the nature of the generation system that would support this approach In our model of language generation, shown in Figure 1, the selections...
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Tài liệu Informatics in Medical Imaging pdf
... CT images of the lung, MRI and CT images of the brain, photon emission tomography (PET) images, and x-ray images of the spine (Muller et al., 2004) Besides retrieving the images based on image ... computer to another The rules of the protocol guarantee that all the bits arrive, uncorrupted, in the correct order The layers referred to are a result of the original formulations by the Internet ... the patient record with knowledge of the new exam h Rad-14 Query Images: An image consumer queries for images in a known complete exam i Rad-16 Retrieve Images: The image consumer pulls the images...
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Tài liệu THE ELEMENTS OF BACTERIOLOGICAL TECHNIQUE A LABORATORY GUIDE FOR MEDICAL, DENTAL, AND TECHNICAL STUDENTS pptx
... leave the upper part of the tube in the region of the diamond scratch empty (Fig 19, B) Heat the tube in the region of the diamond scratch in the blowpipe flame, and removing the tube from the ... tube exactly at the upper level of the column of mercury, invert it and allow the mercury to run out Snap off the remainder of the capillary tube from the broad upper portion of the pipette which ... snapping off the hair-like extremity from the long piece of capillary tubing Mark on the capillary stem with a grease pencil the position of the end of the column of mercury (Fig 19, E.) Warm the...
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Tài liệu A Dissertation on the Medical Properties and Injurious Effects of the Habitual Use of Tobacco pptx
... poisoning and relaxing the vessels of the gums, it may impair the healthy condition of the vessels belonging to the membranes of the socket, with the condition of which, the state of the tooth is closely ... it capable of giving strength to the weary, vivacity to the stupid, and wisdom to men void of understanding; capable of soothing the sorrows of the afflicted, of healing the wounds of the spirit, ... it in the kitchen, in the dining-room, and in the parlor; in every gathering of men of business; in every party of pleasure; in our halls of legislation; in our courts of justice; and even the...
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Tài liệu Balance Billing for Medical Equipment and Supplies docx
... Forty-four percent of the beneficiaries (61 of 138) state that the close proximity of the supplier to their residence was a factor in their decision to select a supplier Forty-one percent (57 of ... OFFICE OF INSPECTOR GENERAL The mission of the Office of Inspector General (OIG), mandated by Public Law 95-452, as amended by Public Law 100-504, is to protect the integrity of the Department ... business with the supplier in the past and chose to select that supplier again for the sampled claim Also, 14 percent (20 of 138) of the surveyed beneficiaries state that they chose their supplier...
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A Review of the Medical Benefits and Contraindications to Breastfeeding in the United States ppt
... evenly Actually, if the volume of distribution of a drug is known, then the amount available to the infant via the milk can be calculated if the weight of the mother and the dose of the drug are known.97 ... specific for the needs of the human infant just as the milk of thousands of other mammalian species is specifically designed for their offspring The unique composition of breastmilk provides the ideal ... risk of the drug versus the benefit of table Copyright breastfeeding for the infant The pharmacologic properties of the drug that will affect passage into the milk are often known, even in the...
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