automated segmentation of pulmonary nodules

... 65 Plot of the degree of match of a registered contour of the liver with the ground truth The average error is 2.211 65 5.10 Plot of the degree of match of a registered ... 2001] are examples of proposals which make use of Level sets for deformation of the contours 2.3 Segmentation of the Liver Medical image segmentation has been applied to many parts of the human anatomy ... the segmentation of CT and MRI image slices manually or pay a specialized software company to the segmentation Performing the segmentation in-house is very tedious, considering that a set of CT...

Ngày tải lên: 30/09/2015, 14:24

... total of six zones per patient The upper zones were defined as areas of the lung above the level of the carina; the middle zones as areas between the level of the carina and the origin of the ... fibrotic phase because of the relatively “short T2” in fibrotic tissues [15] The shortcomings of our study are the limited number of patients and the absence of miliary and calcified nodules found in ... the origin of the inferior pulmonary veins; and the lower zones as areas below the origin of the inferior pulmonary veins Each zone had approximately the same number of sections We scored lung...

Ngày tải lên: 15/02/2014, 12:20

... Pradesh In that study, 14 only 36.9% of patients presented within three months of onset of symptoms, while 41.2% presented after six months of onset of symptom Most of the patients (78.1%) had advanced ... development of active TB Pulmonary tuberculosis is the most common form of TB even in the elderly although EPTB is more frequently seen than in the young.6,7 Presentation of PTB in the elderly often ... patients with pulmonary tuberculosis Characteristic Group I (≥ 60 years) ≥ (n = 50) No (%) Group II (< 60 years) (n = 50) No (%) Site of Involvement Isolated pulmonary TB Pulmonary and extrapulmonary...

Ngày tải lên: 15/02/2014, 13:20

Ngày tải lên: 15/02/2014, 13:20

... to the problem of segmenting parallel parts of documents The task of aligning each sentence of an abstract to one or more sentences of the body has been studied in the context of summarization ... concentration parameter of the underlying DP distribution GEM (α) defines a distribution of partitions of the unit interval into a countable number of parts The formal definition of our model is as ... document x consists of K parallel parts, that is, x = {x(k) }k=1:K , and each part of the document consists of segments, (k) x(k) = {si }i=1:I Note that the effective number of fragments I is...

Ngày tải lên: 20/02/2014, 04:20

... test corpus consisting of 1001 KB manually segmented data with the training corpus consisting of 200 MB of Chinese text Chinese is such an important language that supervised segmentation methods ... The current state -of- the-art segmentation software developed by (Low et al., 2005), which ranks as the best in the SIGHAN bakeo (Emerson, 2005), attains word precision and recall of 96.9% and 96.8%, ... by using the local maximum of the number of di erent tokens coming after a prex This only holds, however, for semantic units longer than Units often have a length of (3) One reason why inequality...

Ngày tải lên: 20/02/2014, 12:20

... Absence of main pulmonary artery Anomalous origin of the left pulmonary artery from the right pulmonary artery Anomalous pulmonary drainage Pulmonary venous varix Arteriovenous malformation Pulmonary ... evaluation of a pulmonary process Methods for interpretation and generation of differential diagnoses of chest X-ray findings are beyond the scope of this chapter and are the subjects of numerous pulmonary ... of Cincinnati Division of Pulmonary & Critical Care 231 Albert Sabin Way Cincinnati OH 45267 Mail Location 0564 USA mccormfx@ucmail.uc.edu Ralph J Panos University of Cincinnati Division of Pulmonary...

Ngày tải lên: 05/03/2014, 23:20

... Barts and the London School of Medicine, Queen Mary College, University of London, London, UK 10Department of Medicine, University of Cambridge, Cambridge, UK 11Dept of Infectious Diseases, Leiden ... suggestive of association Results The demographic characteristics of the participants of our study are displayed in Table In this study, we tested SNPs across the genome for association with pulmonary ... counteractive response of repressing NOTCH1 signaling that is not in favor of T cell promotion, might suggests an impact on the control of the intracellular infection of M tuberculosis Two SNPs...

Ngày tải lên: 06/03/2014, 04:20

... variables that were predictors of overall knowledge of PTB as well as that of the four subscales of knowledge of PTB (sign/symptoms, mode of transmission, knowledge of effective treatment and preventive ... Knowledge of the Mode of Transmission and Prevention of PTB Table depicts the communities' knowledge about the mode of transmission and preventive methods of PTB The majority (95%) of the participants ... Association of respondents' socio-demographic characteristics with respondents' knowledge of symptoms, mode of transmission, choice of effective treatment and preventive methods of PTB Association of...

Ngày tải lên: 06/03/2014, 04:20

... statistical software (SPSS Inc, Chicago, IL, USA) Results Figure summarizes the results of our TB detection program from the time of patient admission to initiation of treatment under our cough-officer-screening ... http://www.biomedcentral.com/1471-2458/10/238 Page of Figure Flow chart summary of TB detection by cough officer screening (COS) from the time of admission to the time of treatment Stage I: September 2004 ... be due to the use of more refined criteria for suspicion of TB, higher prevalence of TB in this population, and the poorer quality of healthcare and diagnostic facilities All of the patients in...

Ngày tải lên: 06/03/2014, 04:20

... expected a frequency of patient compliance and adherence to treatment of 50% ±10%, at a confidence interval of 95%, and non-response level of 10%, and therefore estimated a sample size of 105 as sufficient ... knowledge of the importance of follow-up sputum submission; whereas, nearly 90% knew the importance of treatment completion, only 57% knew the importance of the latter, reflective of the low ... Programme Ministry of Health, Lusaka, Zambia Central Statistics Office: Summary Report, Zambia 2000 Census of Population and Housing Central Statistics Office, Lusaka, Zambia; 2003 Ministry of Health:...

Ngày tải lên: 06/03/2014, 04:20

... cognizance of the findings of its own studies in respect of additional yield of 37% of the culture positive cases by multiple sputum examination, and the likely fact of a confirmation of only 22% of ... (44.9% of C+) Prev of C+ cases @ 6.0 4,897 Prev of X+ cases @ 3.0 2,448 - Prev C+ cases® 4.8 3,926 2,473 2,448 10 A.K Expert Group Govt of India (2000) (63% of C+) Chengalpattu 17 Prev of C+ cases ... Indian Jouinal of Tuheiculosis ESTIMATING THE BURDEN OF PULMONARY TUBERCULOSIS IN INDIA Based on the above exercise, one has now access to a fresh set of estimates of the burden of tuberculosis...

Ngày tải lên: 06/03/2014, 04:20

... available for comparison of the performance of the individual tests, an analysis of results was done using a variety of standards Efficiency of microscopy, culture and PCR in terms of sensitivity, specificity, ... design A total of 144 respiratory samples (sputum with or without saliva) from as many individuals were tested Of these, 123 samples were from individuals suspected of having pulmonary tuberculosis, ... tuberculous lesion @ 0% positivity of PCR is the expectation in this group Indian Journal of Tuberculosis 72 COMPARISON OF PCR WITH ROUTINE DIAGNOSTICS b PCR data of smear negative samples from tuberculosis...

Ngày tải lên: 06/03/2014, 04:20

Ngày tải lên: 06/03/2014, 04:20

... For a number of reasons, one of which is the influence of the training programme of NTI, the findings of this study should be considered illustrative of methodology of assessment of integrated ... methods of assessment also: (i) Assessment based upon the results of examination of duplicate and that of the reexamination of the centre smears (Method 2) (ii) Assessment based upon the result of ... supply of stains and other requirements, and quality of supplies particularly stains and slides Some of these aspects could be studied only subjectively in the present study Transfer of medical officers...

Ngày tải lên: 06/03/2014, 04:20

... tuberculosis (6.55%) but they make the RISK OF PULMONARY TUBERCULOSIS Table Composition of new cases diagnosed at II survey Type of infection 67 No of persons Risk of disease (%) New cases % to total ... the information on the size of previously infected population, with or without recent reinfection, it is possible to construct the profile of the population in respect of tuberculous infection (Table ... and twice that for recent infection Table Risk of disease associated with different types of infection Risk of disease (%) (Annual) 3.19* Type of infection Recent infection Exogenous reinfection...

Ngày tải lên: 06/03/2014, 04:20

... respective localisations of the first lesion of primary and that of secondary disease In explanation of the localisation of the first lesion of primary disease in the absence of acquired resistance ... demonstration of the truth of this law is to be found in the study of a large series of cases (I have personally observed several hundreds) in which the course of the primary type of the disease ... some degree of caseation, which develops under the influence of the hypersensitivity From this point the initial lesion of secondary disease develops in one of two directions; (1) that of unilateral...

Ngày tải lên: 06/03/2014, 04:20

... percentage of contaminated cultures; review question B: the name and manufacturer of the reference standard • Details of index test: software version of test • Details of comparator: type of microscopy: ... suspected of having pulmonary TB or MDR-TB, from all settings and all countries Patients suspected of having MDR-TB may include patients with a history of TB, patients on TB treatment for pulmonary ... obtain summary estimates of the diagnostic accuracy of Xpert MTB/RIF for the diagnosis of pulmonary TB, using solid or liquid culture as a reference standard Purpose of index test: A.1 Xpert...

Ngày tải lên: 06/03/2014, 04:20

... the importance of imaging diagnosis in health care services in Brazil Radiologic patterns of pulmonary TB allow us to infer several aspects of the pathogenesis and clinical picture of the patients ... ACKNOWLEDGEMENTS The authors thank Profs Gesmar V Haddad and Adauto Dutra of the Post-graduation Program in Pediatrics of the Universidade Federal Fluminense, city of Niterói, state of Rio de Janeiro REFERENCES ... inhabitants in the city of Salvador and from 70.12 to 45.65/100,000 inhabitants in the city of Manaus.7 The present study showed a predominance of characteristic lesions of re-infection or adult...

Ngày tải lên: 06/03/2014, 04:20

... model of language ability, and therefore is often used as an index of language proficiency and development status of L2 learners Various studies have proposed and investigated measures of syntactic ... predicting language proficiency was discussed Some examples of syntactic complexity measures are: mean number of clauses per T-unit 3, mean length of clauses, mean number of verbs per sentence, ... index, where frequency is the count of occurrences of a specific grammatical structure, ratio is the number of one type of unit divided by the total number of another unit, and index is computing...

Ngày tải lên: 07/03/2014, 22:20