906 Hits in 5.0 sec

Computer-assisted detection of infectious lung diseases: A review

Ulaş Bağcı, Mike Bray, Jesus Caban, Jianhua Yao, Daniel J. Mollura
2012 Computerized Medical Imaging and Graphics  
These limitations suggest that computer-assisted detection (CAD) could make a valuable contribution to the management of respiratory tract infections by assisting in the early recognition of pulmonary  ...  Although radiology serves as a primary diagnostic method for assessing respiratory tract infections, visual analysis of chest radiographs and computed tomography (CT) scans is restricted by low specificity  ...  Acknowledgments This research is supported in part by the Imaging Sciences Training Program (ISTP), the Center for Infectious Disease Imaging (CIDI), and Intramural Research Program of the National Institute  ... 
doi:10.1016/j.compmedimag.2011.06.002 pmid:21723090 pmcid:PMC3207027 fatcat:4bw2lxst6vgallgskhnvzvg3mi

Recent progress in computer-aided diagnosis of lung nodules on thin-section CT

Qiang Li
2007 Computerized Medical Imaging and Graphics  
Whereas current CAD schemes for nodule characterization have achieved high performance levels and would be able to improve radiologists' performance in the characterization of nodules in thinsection CT  ...  We describe in this article the current status of the development and evaluation of CAD schemes for the detection and characterization of lung nodules in thin-section CT.  ...  CAD technologies developed at the Kurt Rossmann Laboratories for Radiologic Image Research, the University of Chicago, have been licensed to companies including R2 Technologies, Riverain Medical Group,  ... 
doi:10.1016/j.compmedimag.2007.02.005 pmid:17369020 pmcid:PMC1948076 fatcat:rzbwtml2unaobfqfhayb22je4i

A comparative study for 2D and 3D computer-aided diagnosis methods for solitary pulmonary nodules

Chinson Yeh, Jen-Feng Wang, Ming-Ting Wu, Chen-Wen Yen, Mark L. Nagurka, Chen-Liang Lin
2008 Computerized Medical Imaging and Graphics  
Many computer-aided diagnosis (CAD) methods, including 2D and 3D approaches, have been proposed for solitary pulmonary nodules (SPNs).  ...  His research interests include artificial neural network, pattern recognition, and medical imaging analysis, especially the pulmonary nodule detection and diagnosis from chest computer tomography.  ...  Third, in responding to contrast material, malignant nodules tend to enhance more than the benign nodules.  ... 
doi:10.1016/j.compmedimag.2008.01.003 pmid:18313899 fatcat:2rpcl72crfgv5jkt5judilgsji

Machine Learning in Medical Imaging Before and After Introduction of Deep Learning

2017 Medical Imaging and Information Sciences  
after the introduction of deep learning, and 3)what is the source of the power of deep learning.  ...  image data directly without object segmentation or feature extraction ; thus, it is the source of the power of deep learning.  ...  Detection of lesions A "lesion-enhancement" filter based MTANNs was developed for enhancement of actual lesions in CAD for detection of lung nodules in CT [ 20 ] .  ... 
doi:10.11318/mii.34.14 fatcat:ui5aakxtknac3h2n6fak7chm6q

The Role of Dynamic Magnetic Resonance Imaging in the Evaluation of Pulmonary Nodules and Masses

Fatih Alper, Adile Tuba Polat Kurt, Yener Aydin, Mesut Ozgokce, Metin Akgun
2013 Medical Principles and Practice  
The percentage increase in the signal intensity of the lesions was determined for each time point. Time-enhancement curves of the lesions were drawn and classified into four types: A, B, C and D.  ...  It was a useful and noninvasive method of evaluating pulmonary nodules.  ...  In such cases, computerized tomography (CT) serves as the standard of reference and its use is recommended for the evaluation of these nodules in the current guidelines [1] [2] [3] [4] [5] [6] [7] [8]  ... 
doi:10.1159/000339475 pmid:22797711 pmcid:PMC5586702 fatcat:7jifoq6wibaynmy7lhskld7dty

Myopericytoma Presenting As Multiple Pulmonary Nodules

Xiao-lian Song, Xin-ying Sun, Guo-liang Zhang, Yong-wei Yu, Chang-hui Wang
2012 Internal medicine (Tokyo. 1992)  
To date, only a small number of series describing myopericytomas have been reported. Here, we report a case of pulmonary myopericytoma presenting as multiple nodules in a 26-year-old man.  ...  To our knowledge, this is the first report of myopericytoma showing pulmonary involvement.  ...  The authors state that they have no Conflict of Interest (COI). Funding: This work was supported by the Shanghai Municipal Natural Science Foundation (09ZR1424500).  ... 
doi:10.2169/internalmedicine.51.6531 pmid:22449675 fatcat:fmklad26knexji5l5uz5dsid6a

Computer-Aided Diagnosis of Lung Cancer and Pulmonary Embolism in Computed Tomography—A Review

Heang-Ping Chan, Lubomir Hadjiiski, Chuan Zhou, Berkman Sahiner
2008 Academic Radiology  
Detection of lung cancer and pulmonary embolism on CT examinations are demanding tasks for radiologists because they have to search for abnormalities in a large number of images and the lesions can be  ...  Recent advances in multidetector row CT have made it an increasingly common modality for imaging of lung diseases. A thoracic examination using thin-section CT contains hundreds of images.  ...  Computerized characterization of lung nodules A number of studies have been reported on the development of CADx systems for characterization of malignant and benign lung nodules on CT scans as summarized  ... 
doi:10.1016/j.acra.2008.01.014 pmid:18423310 pmcid:PMC2800985 fatcat:a67ctibpbrhaxm2ejf4p3n4iym

A Novel ASNO Segmentation Technique for Segmenting the JUXTA Vascular Region

Arun B. Mathews, M M.K. Jeyakumar
2018 International Journal of Engineering & Technology  
In this modern era the clinical laboratory has greater attention to produce an accurate result for every test particularly in the area of lung tumour.  ...  The research gap for this paper is to find the juxta vascular region in the lung. This juxta vascular region is present in the right side of the lung.  ...  A pulmonary nodules look like round, white glooms on the Computerized Tomography (CT) scan.  ... 
doi:10.14419/ijet.v7i3.27.17652 fatcat:hilhdjtzszddlmrxfgz4myz3ta

Computed tomography findings of focal lung lesion and their pathological correlations

Saroj Sharma, Hom Prasad Pant, Swoyam Prakash Pandit
2016 Journal of Kathmandu Medical College  
</p><p><strong>Methods: </strong>A total of 56 patients were enrolled in the study. Plain and contrast enhanced computerized tomography scan of chest was done in spiral computerized tomography.  ...  Contrast enhancement more than 20 hounsfield unit had more than 80% sensitivity and specificity for malignant lesions.  ...  It includes solitary pulmonary nodule (SPN) and masses.  ... 
doi:10.3126/jkmc.v4i2.15036 fatcat:xgkd5ugkpvek5e6pvbqztgi4vm

Review: On Segmentation of Nodules from Posterior and Anterior Chest Radiographs

S K Chaya Devi, T Satya Savithri
2018 International Journal of Biomedical Imaging  
Posterior and anterior chest radiography and computerized tomography scans are the most used diagnosis techniques for detecting tumor from lungs.  ...  To help radiologists in diagnosing tumor from PA chest radiographic images range of CAD scheme has been developed for the past three decades.  ...  Enhancement done with different methods like local contrast enhancement, global contrast enhancement [1] , and also homomorphic filtering [2] enhanced image shown in Figure 2 .  ... 
doi:10.1155/2018/9752638 pmid:30498510 pmcid:PMC6220737 fatcat:ixrlpqih3nfdlfngn6ubz6pt34

Radiographic assessment of small lung nodules: what can we do and what information does it give us?

David J. Murphy, Ritu R. Gill
2021 Current Challenges in Thoracic Surgery  
/computed tomography (PET/CT)] in the assessment and characterization of small pulmonary nodules, with an emphasis on chest CT, the workhorse of pulmonary imaging.  ...  Emerging applications including radiomics, machine learning and artificial intelligence (AI) in assessment and characterization of pulmonary nodules and role of these advanced techniques in the management  ...  (D) Axial contrast enhanced DCE-MRI images showing no enhancement in the nodule (arrow), suggestive of benign etiology.  ... 
doi:10.21037/ccts-20-117 fatcat:7yo2feccjbeyhidshwjsyewr6q

Front Matter: Volume 9785

2016 Medical Imaging 2016: Computer-Aided Diagnosis  
Publication of record for individual papers is online in the SPIE Digital Library. Paper Numbering: Proceedings of SPIE follow an e-First publication model.  ...  of SPIE Vol. 9785 978501-3 Downloaded From: on 7/22/2018 Terms of Use: iv Proc. of SPIE  ...  flow and vessel wall analyses of coronary arteries for detection of noncalcified plaques in coronary CT angiography [9785-139] Computer-aided detection of bladder mass within non-contrast-enhanced region  ... 
doi:10.1117/12.2240961 dblp:conf/micad/X16 fatcat:b5addnksdrgp3ixwvbjt53xeqe

CAD system: a content based image retrieval approach for pulmonary nodule detection in CT images

Sajeev Ram, Shylaja ., Arun Sahayadhas
2018 International Journal of Engineering & Technology  
image is segmented based on Marker-Controlled Watershed Segmentation. iii) The features of the nodules present in the image are extracted using GLCM. iv) The nodules are classified based on the extracted  ...  This paper proposes Computerized Aided Detection System (CAD) which uses Content Based Image Retrieval (CBIR) to detect cancer nodules present in an image.  ...  To acquire the local spatial statistics of the segmented image scaling is used and orientation characterizes the texture regions for similarity.  ... 
doi:10.14419/ijet.v7i2.21.12386 fatcat:zh254jrzengcphntyut2uwiq6i

Computerized segmentation of pulmonary nodules depicted in CT examinations using freehand sketches

Yongqian Qiang, Qiuping Wang, Guiping Xu, Hongxia Ma, Lei Deng, Lei Zhang, Jiantao Pu, Youmin Guo
2014 Medical Physics (Lancaster)  
The computational cost in time of segmenting a pulmonary nodule ranged from 0.4 to 2.3 s with an average of 1.1 s for a typical desktop computer.  ...  Purpose: To aid a consistent segmentation of pulmonary nodules, the authors describe a novel computerized scheme that utilizes a freehand sketching technique and an improved break-and-repair strategy.  ...  Similar enhancement filters for nodule segmentation were described in Refs. 20 and 21.  ... 
doi:10.1118/1.4869265 pmid:24694148 pmcid:PMC3971825 fatcat:2qjxkd5bmbdb5dhehha45hhzva

Automatic screening for tuberculosis in chest radiographs: a survey

Stefan Jaeger, Alexandros Karargyris, Sema Candemir, Jenifer Siegelman, Les Folio, Sameer Antani, George Thoma
2013 Quantitative Imaging in Medicine and Surgery  
The advent of new powerful hardware and software techniques has triggered attempts to develop computer-aided diagnostic systems for TB detection in support of inexpensive mass screening in developing countries  ...  After a thorough research of the computer science literature for such systems or related methods, we were able to identify 16 papers, including our own, written between 1996 and early 2013.  ...  Acknowledgements This research is supported by the Intramural Research Program of the National Institutes of Health (NIH), National Library of Medicine (NLM), and Lister Hill National Center for Biomedical  ... 
doi:10.3978/j.issn.2223-4292.2013.04.03 pmid:23630656 pmcid:PMC3636475 fatcat:5f6t6ecdpra7xhrfyksq3ajzd4
« Previous Showing results 1 — 15 out of 906 results