What is a wiki, and how can it be used in resident education?

abstract：:Breast cancer is the most common type of malignancy diagnosed in women. Through early detection and diagnosis, there is a great chance of recovery and thereby reduce the mortality rate. Many preliminary tests like non-invasive radiological diagnosis using ultrasound, mammography, and MRI are widely used for the diagno...

journal_title：Journal of digital imaging

authors： Das A,Nair MS,Peter SD

更新日期：2020-10-01 00:00:00

abstract：:The study investigates the effect of a substantial dose reduction on the variability of lung nodule volume measurements by assessing and comparing nodule volumes using a dedicated semiautomated segmentation software on ultralow-dose computed tomography (ULD-CT) and standard-dose computed tomography (SD-CT) data. In 20...

journal_title：Journal of digital imaging

authors： Hein PA,Romano VC,Rogalla P,Klessen C,Lembcke A,Bornemann L,Dicken V,Hamm B,Bauknecht HC

更新日期：2010-02-01 00:00:00

abstract：:While uncertainty is ubiquitous in medical practice, minimal work to date has been performed to analyze the cause and effect relationship between uncertainty and patient outcomes. In medical imaging practice, uncertainty in the radiology report has been well documented to be a source of clinician dissatisfaction. Befo...

journal_title：Journal of digital imaging

authors： Reiner BI

更新日期：2018-08-01 00:00:00

abstract：:Voice recognition (VR) and picture archiving and communication system (PACS) both have advantages and disadvantages in radiologic practice. We describe a fully integrated VR/PACS system running on a single platform. Integration optimizes the positive features of both systems and creates a synergy that is not otherwise...

journal_title：Journal of digital imaging

authors： Weiss DL,Hoffman J,Kustas G

更新日期：2001-06-01 00:00:00

abstract：:Architectural distortion is an important sign of breast cancer, but because of its subtlety, it is a common cause of false-negative findings on screening mammograms. This paper presents methods for the detection of architectural distortion in mammograms of interval cancer cases taken prior to the detection of breast c...

journal_title：Journal of digital imaging

authors： Rangayyan RM,Banik S,Desautels JE

更新日期：2010-10-01 00:00:00

abstract：:Airway diseases are frequently related to morphological changes that may influence lung physiology. Accurate airway region segmentation may be useful for quantitative evaluation of disease prognosis and therapy efficacy. The information can also be applied to understand the fundamental mechanisms of various lung disea...

journal_title：Journal of digital imaging

authors： Lee M,Lee JG,Kim N,Seo JB,Lee SM

更新日期：2019-10-01 00:00:00

abstract：:In this paper, we describe and evaluate a system that extracts clinical findings and body locations from radiology reports and correlates them. The system uses Medical Language Extraction and Encoding System (MedLEE) to map the reports' free text to structured semantic representations of their content. A lightweight r...

journal_title：Journal of digital imaging

authors： Sevenster M,van Ommering R,Qian Y

更新日期：2012-04-01 00:00:00

abstract：:Automatic bone segmentation of computed tomography (CT) images is an important step in image-guided surgery that requires both high accuracy and minimal user interaction. Previous attempts include global thresholding, region growing, region competition, watershed segmentation, and parametric active contour (AC) approa...

journal_title：Journal of digital imaging

authors： Truc PT,Kim TS,Lee S,Lee YK

更新日期：2010-12-01 00:00:00

abstract：:A 10-bit or 12-bit gray scale is provided in commercial laser film digitizers. The true contrast resolution on the digitized image within a laser spot area of 200 microns in diameter is limited by both the quantum mottle and instrumentation noise. In this report, we investigated the mean value, standard deviation, and...

journal_title：Journal of digital imaging

authors： Lo SC,Gaskill JW,Mun SK,Krasner BH

更新日期：1990-05-01 00:00:00

abstract：:In this paper, we compare five common classifier families in their ability to categorize six lung tissue patterns in high-resolution computed tomography (HRCT) images of patients affected with interstitial lung diseases (ILD) and with healthy tissue. The evaluated classifiers are naive Bayes, k-nearest neighbor, J48 d...

journal_title：Journal of digital imaging

authors： Depeursinge A,Iavindrasana J,Hidki A,Cohen G,Geissbuhler A,Platon A,Poletti PA,Müller H

更新日期：2010-02-01 00:00:00

abstract：:To solve the problems of image displays in filmless radiology conferences for the purpose of teaching, we made an experimental design of a conference system with dual 50-in. plasma monitors for displaying larger images and a shared folder containing shortcuts to images for quick display during conferences on the deskt...

journal_title：Journal of digital imaging

authors： Abe K,Narata M,Tanaka I,Takahashi M,Igarashi A,Sasaki T,Matsuyama K,Tohi N,Kosuda S

更新日期：2009-12-01 00:00:00

abstract：:Digital imaging systems used in radiology rely on electronic display devices to present images to human observers. Active-matrix liquid crystal displays (AMLCDs) continue to improve and are beginning to be considered for diagnostic image display. In spite of recent progress, AMLCDs are characterized by a change in lum...

journal_title：Journal of digital imaging

authors： Fifadara DH,Averbukh A,Channin DS,Badano A

更新日期：2004-12-01 00:00:00

abstract：:The three-dimensional (3D) visualization of dural venous sinuses (DVS) networks is desired by surgical trainers to create a clear mental picture of the neuroanatomical orientation of the complex cerebral anatomy. Our purpose is to document those identified during routine 3D venography created through 3D models using t...

journal_title：Journal of digital imaging

authors： Karakas AB,Govsa F,Ozer MA,Eraslan C

更新日期：2019-04-01 00:00:00

abstract：:In this paper, a simplified yet efficient architecture of a deep convolutional neural network is presented for lung image classification. The images used for classification are computed tomography (CT) scan images obtained from two scientifically used databases available publicly. Six external shape-based features, vi...

journal_title：Journal of digital imaging

authors： Srivastava V,Purwar RK

更新日期：2020-02-01 00:00:00

abstract：:Sacroiliac (SI) joint dislocations and sacral fractures of the pelvis can be stabilized by SI screws; however, screw insertion into a sacral isthmus region is risky for the adjacent neurovascular structures. Therefore, shape analyses of general SI screw corridors or safety zones are of great surgical interest; however...

journal_title：Journal of digital imaging

authors： Noser H,Radetzki F,Stock K,Mendel T

更新日期：2011-08-01 00:00:00

abstract：:The standard definition of high-risk individuals for lung cancer was not uniform and the value of chest digital radiography (DR) in lung cancer screening was still unproven. The aim of this study was to assess whether the original questionnaire named as "Self-evaluation Scoring Questionnaire for High-risk Individuals ...

journal_title：Journal of digital imaging

authors： Chen B,Wang Y,Cao H,Liu D,Zhang S,Gao J,Yu J,Huang Y,Li W

更新日期：2013-02-01 00:00:00

abstract：:Digitally created visual images of pertinent patient data have been integrated with text information to formulate a visual evaluation and summary sheet (VESS) using computer processing. The VESS incorporates images of a patient's physical appearance, radiological images, pharmacokinetic graphs, and text information in...

journal_title：Journal of digital imaging

authors： Liu JM,Wu HW,Chen WS,Lin WC,Chao Y,Lui WY,Whang-Peng J

更新日期：2000-05-01 00:00:00

abstract：:Scheduling of CT and MR exams requires reasonable estimates for expected scan duration. However, scan-time variability and efficiency gains from combining multiple exams are not quantitatively well characterized. In this work, we developed an informatics approach to quantify typical duration, duration variability, and...

journal_title：Journal of digital imaging

authors： Zhang R,Narra VR,Kansagra AP

更新日期：2020-02-01 00:00:00

abstract：:A computer algorithm for information retrieval from an electronic teaching file has been developed. This index enables the user to retrieve cases from a teaching file, based on the input of a combination of features. The algorithm is based on nearest neighbor analysis, and is programmed in the "C" language. A teaching...

journal_title：Journal of digital imaging

authors： Bramble JM,Insana MF,Dwyer SJ 3rd

更新日期：1990-08-01 00:00:00

abstract：:Computed radiography (CR) has various advantages such as dynamic range. Diagnostic accuracy with CR using reduced radiation dose is considered comparable with that of conventional film-screen radiography in diagnosing apparent chest abnormalities. In addition to reducing the radiation dose, delineation of the various ...

journal_title：Journal of digital imaging

authors： Aoki K

更新日期：1995-02-01 00:00:00

abstract：:In this paper, a novel lesion segmentation within breast ultrasound (BUS) image based on the cellular automata principle is proposed. Its energy transition function is formulated based on global image information difference and local image information difference using different energy transfer strategies. First, an en...

journal_title：Journal of digital imaging

authors： Liu Y,Cheng HD,Huang J,Zhang Y,Tang X

更新日期：2012-10-01 00:00:00

abstract：:Breast masses due to benign disease and malignant tumors related to breast cancer differ in terms of shape, edge-sharpness, and texture characteristics. In this study, we evaluate a set of 22 features including 5 shape factors, 3 edge-sharpness measures, and 14 texture features computed from 111 regions in mammograms,...

journal_title：Journal of digital imaging

authors： Mu T,Nandi AK,Rangayyan RM

更新日期：2008-06-01 00:00:00

abstract：:Workflow is a widely used term to describe the sequence of steps to accomplish a task. The use of workflow technology in medicine and medical imaging in particular is limited. In this article, we describe the application of a workflow engine to improve workflow in a radiology department. We implemented a DICOM-enabled...

journal_title：Journal of digital imaging

authors： Erickson BJ,Langer SG,Blezek DJ,Ryan WJ,French TL

更新日期：2014-06-01 00:00:00

abstract：:Information infrastructures involve the notion of a shared, open infrastructure, constituting a space where people, organizations, and technical components associate to develop an activity. The current infrastructure for medical image sharing, based on PACS/DICOM technologies, does not constitute an information infras...

journal_title：Journal of digital imaging

authors： Motta GHMB,Araújo DAB,Lucena-Neto JR,Azevedo-Marques PM,Cordeiro SS,Araújo-Neto SA

更新日期：2020-02-01 00:00:00

abstract：:Optimization of brightness distribution in the template used for detection of cancerous masses in mammograms by means of correlation coefficient is presented. This optimization is performed by the evolutionary algorithm using an auxiliary mass classifier. Brightness along the radius of the circularly symmetric templat...

journal_title：Journal of digital imaging

authors： Bator M,Nieniewski M

更新日期：2012-02-01 00:00:00

abstract：:We evaluated the usefulness of a computerized analysis system in the detection of interstitial lung abnormalities in digitized chest radiography. This system uses the processes of four-directional Laplacian-Gaussian filtering, linear opacity judgment, and linear opacity subtraction. For qualitative analysis, we employ...

journal_title：Journal of digital imaging

authors： Kido S,Ikezoe J,Tamura S,Nakamura H,Kuroda C

更新日期：1997-05-01 00:00:00

abstract：:The goal of this study is to evaluate the efficacy of deep convolutional neural networks (DCNNs) in differentiating subtle, intermediate, and more obvious image differences in radiography. Three different datasets were created, which included presence/absence of the endotracheal (ET) tube (n = 300), low/normal positio...

journal_title：Journal of digital imaging

authors： Lakhani P

更新日期：2017-08-01 00:00:00

abstract：:Bone density measurement by quantitative computed tomography (QCT) commonly uses an external reference phantom to decrease scan-to-scan and scanner-to-scanner variability. However, the peripheral location of these phantoms and other phantom variables is also responsible for a measurable degradation in accuracy and pre...

journal_title：Journal of digital imaging

authors： Boden SD,Goodenough DJ,Stockham CD,Jacobs E,Dina T,Allman RM

更新日期：1989-02-01 00:00:00

abstract：:Lung cancer has the highest mortality rate of all cancers, and early detection can improve survival rates. In the recent years, low-dose CT has been widely used to detect lung cancer. However, the diagnosis is limited by the subjective experience of doctors. Therefore, the main purpose of this study is to use convolut...

journal_title：Journal of digital imaging

authors： Zhao J,Zhang C,Li D,Niu J

更新日期：2020-08-01 00:00:00

abstract：:Radiology studies are inherently visual and the information contained within is best conveyed by visual methodology. Advanced reporting software allows the incorporation of annotated key images into text reports, but such features may be less effective compared with in-person consultations. The use of web technology a...

journal_title：Journal of digital imaging

authors： Balkman JD,Siegel AH

更新日期：2016-04-01 00:00:00