Variability of semiautomated lung nodule volumetry on ultralow-dose CT: comparison with nodule volumetry on standard-dose CT.

abstract：:The aim of this study was to design a tele-radiology imaging system for rapid emergency care via mobile networks and to assess the diagnostic feasibility of the Joint Photographic Experts Group 2000 (JPEG2000) radiological imaging using portable devices. Rapid patient information and image exchange is helpful to make ...

journal_title：Journal of digital imaging

authors： Kim DK,Kim EY,Yang KH,Lee CK,Yoo SK

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：:A teleradiology system acquires radiographic images from one location and transmits them to one or more distant sites where they are displayed and/or converted to hard-copy film recordings. The long-term goal of teleradiology research is to show that teleradiology systems can provide diagnostically equivalent results ...

journal_title：Journal of digital imaging

authors： Stewart BK,Dwyer SJ 3rd,Kangarloo H

更新日期：1992-08-01 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：:Recent healthcare policies have influenced the manner in which patient data is handled in research projects, and the regulations concerning protected health information have become significantly tighter. Thus, new procedures are needed to facilitate research while protecting the confidentiality of patient data and ens...

journal_title：Journal of digital imaging

authors： Rajala T,Savio S,Penttinen J,Dastidar P,Kähönen M,Eskola H,Miettunen R,Turjanmaa V,Järvenpää R

更新日期：2011-10-01 00:00:00

abstract：:Medical images produced by x-ray detectors, computed tomography (CT) scanners, and other modalities typically contain between 12-16 bits/pixel, which corresponds to 4,096-65,536 shades of gray. On the other hand, we see that these images are visualized by means of medical displays that have much lower available number...

journal_title：Journal of digital imaging

authors： Kimpe T,Tuytschaever T

更新日期：2007-12-01 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：:Today, many hospitals have a running enterprise picture archiving and communication system (PACS) and their administrators should have the tools to measure the system activity and, in particular, how much it is used. The information would be valuable for decision-makers to address asset management and the development ...

journal_title：Journal of digital imaging

authors： Calabrese R,Beltrame M,Accardo A

更新日期：2016-12-01 00:00:00

abstract：:Different digital medical images have been printed on paper with a continuous ink jet printer, and the quality has been evaluated. The emphasis has been on digital chest radiographs from a computed radiography system. The ink jet printing technique is described as well as the handling of the image data from image sour...

journal_title：Journal of digital imaging

authors： Kirkhorn T,Kehler M,Nilsson J,Lyttkens K,Andersson B,Holmer NG

更新日期：1992-11-01 00:00:00

abstract：:To illustrate the availability, effectiveness, and practical use of Open-Source tools in developing a radiology paper from its beginning to its presentation and publication. Practical use of a complete set of Open-Source applications for writing, e-mail corresponding, slide show, image retrieval, and manipulation is s...

journal_title：Journal of digital imaging

authors： Faccioli N,Perandini S,Barillari M,D'Onofrio M,Mucelli RP

更新日期：2009-12-01 00:00:00

abstract：:Computed tomography (CT) scans usually include some disadvantages due to the nature of the imaging procedure, and these handicaps prevent accurate abdomen segmentation. Discontinuous abdomen edges, bed section of CT, patient information, closeness between the edges of the abdomen and CT, poor contrast, and a narrow hi...

journal_title：Journal of digital imaging

authors： Koyuncu H,Ceylan R,Sivri M,Erdogan H

更新日期：2018-04-01 00:00:00

abstract：:After several years of continuous operation, the utility of digital viewing stations as assessed by bedside clinicians has been investigated through the distribution of questionnaires to past and present users. The results of the questionnaire have indicated that the bedside physicians prefer using the workstations ov...

journal_title：Journal of digital imaging

authors： Humphrey LM,Fitzpatrick K,Paine SS,Ravin CE

更新日期：1993-02-01 00:00:00

abstract：:Emission tomographic image reconstruction is an ill-posed problem due to limited and noisy data and various image-degrading effects affecting the data and leads to noisy reconstructions. Explicit regularization, through iterative reconstruction methods, is considered better to compensate for reconstruction-based noise...

journal_title：Journal of digital imaging

authors： Ahmad M,Shahzad T,Masood K,Rashid K,Tanveer M,Iqbal R,Hussain N,Shahid A,Fazal-E-Aleem

更新日期：2016-06-01 00:00:00

abstract：:This article presents a review of image quality assessment methods for monochrome CRTs in the field as opposed to the laboratory. The review includes image quality programs at the University of Washington, the University of Texas at Houston, the University of Michigan, and the University of Arizona. CRT manufacturers ...

journal_title：Journal of digital imaging

authors： Roehrig H,Willis CE,Damento MA

更新日期：1999-11-01 00:00:00

abstract：:We introduce the concept, benefits, and general architecture for acquiring, storing, and displaying digital photographs along with medical imaging examinations. We also discuss a specific implementation built around an Android-based system for simultaneously acquiring digital photographs along with portable radiograph...

journal_title：Journal of digital imaging

authors： Ramamurthy S,Bhatti P,Arepalli CD,Salama M,Provenzale JM,Tridandapani S

更新日期：2013-10-01 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：:The purpose of this study was to develop and evaluate a computerized method of calculating a breast density index (BDI) from digitized mammograms that was designed specifically to model radiologists' perception of breast density. A set of 153 pairs of digitized mammograms (cranio-caudal, CC, and mediolateral oblique, ...

journal_title：Journal of digital imaging

authors： Boone JM,Lindfors KK,Beatty CS,Seibert JA

更新日期：1998-08-01 00:00:00

abstract：:The residency review committee of the Accreditation Council of Graduate Medical Education (ACGME) collects data on resident exam volume and sets minimum requirements. However, this data is not made readily available, and the ACGME does not share their tools or methodology. It is therefore difficult to assess the integ...

journal_title：Journal of digital imaging

authors： Chen PH,Loehfelm TW,Kamer AP,Lemmon AB,Cook TS,Kohli MD

更新日期：2016-12-01 00:00:00

abstract：:A series of artifact images, obtained over 5 years of performance testing, of both computed radiography (CR) and integrated digital radiographic X-ray imaging detectors are presented. The images presented are all either flat field or test object images and show artifacts previously either undescribed in the existing l...

journal_title：Journal of digital imaging

authors： Honey ID,Mackenzie A

更新日期：2009-08-01 00:00:00

abstract：:The authors present an adaptation of the macro recording feature on the Siemens Magic View 1000 workstation, which, with the click of one button, launches a macro that performs 3 clinically useful image manipulations. Using a Magic View 1004 Siemens unix workstation, the following Macro sequence was programmed: (1) se...

journal_title：Journal of digital imaging

authors： Koenker RM,Grover SA

更新日期：2002-01-01 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

abstract：:Digital or computed radiography (CR) using photostimulable storage phosphor plate technology is becoming increasingly popular in certain clinical applications, such as bedside radiography, where it possesses clear advantages over conventional screen-film imaging. The majority of CR systems in clinical use have been ma...

journal_title：Journal of digital imaging

authors： Gingold EL,Tucker DM,Barnes GT

更新日期：1994-08-01 00:00:00

abstract：:Monitoring patients' imaging-related radiation is currently a hot topic, but there are many obstacles to accurate, patient-specific dose estimation. While some, such as easier access to dose data and parameters, have been overcome, the challenge remains as to how accurately these dose estimates reflect the actual dose...

journal_title：Journal of digital imaging

authors： Cook TS,Couch G,Couch TJ,Kim W,Boonn WW

更新日期：2013-08-01 00:00:00

abstract：:This article describes the design and implementation of a low-cost image archival and management solution on a radiology network consisting of UNIX, IBM personal computer-compatible (IBM, Purchase, NY) and Macintosh (Apple Computer, Cupertino, CA) workstations. The picture archiving and communications system (PACS) is...

journal_title：Journal of digital imaging

authors： Cox RD,Henri CJ,Bret PM

更新日期：1997-08-01 00:00:00

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：:Compared to traditional film radiography, digital radiography is believed to improve workflow and patient throughput. Digital radiography permits the technologist to immediately view the quality of the film directly at the modality. Additional workflow improvements, therefore, should be achieved with the integration o...

journal_title：Journal of digital imaging

authors： Dackiewicz D,Bergsneider C,Piraino D

更新日期：2000-05-01 00:00:00

abstract：:This study was conducted to determine whether facial photographs obtained simultaneously with radiographs improve radiologists' detection rate of wrong-patient errors, when they are explicitly asked to include the photographs in their evaluation. Radiograph-photograph combinations were obtained from 28 patients at the...

journal_title：Journal of digital imaging

authors： Tridandapani S,Olsen K,Bhatti P

更新日期：2015-12-01 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：:Over the past few years, an increase in digitalization of radiology departments can be seen, which has a large impact on the work of the radiologists. This impact is not only demonstrated by the increased use of digital images but also by changing demands on the whole reading environment. In this study, we evaluated t...

journal_title：Journal of digital imaging

authors： van Ooijen PM,Koesoema AP,Oudkerk M

更新日期：2006-01-01 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