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 adjacent pixel correlation coefficient on a calibrated step wedge film with two laser digitizers. The results were disappointing, because we found that the evaluated contrast information is inferior to the manufacturers' specifications. On the output side, the brightnesses of different gray levels from a clinical monitor were measured with a narrow angle luminance probe and evaluated by a brief human perception study. In addition, the implications for teleradiology applications are discussed.
journal_name
J Digit Imagingjournal_title
Journal of digital imagingauthors
Lo SC,Gaskill JW,Mun SK,Krasner BHdoi
10.1007/BF03170571subject
Has Abstractpub_date
1990-05-01 00:00:00pages
119-23issue
2eissn
0897-1889issn
1618-727Xjournal_volume
3pub_type
杂志文章abstract：:The authors present a unique medical technical application for illustrating the success and/or failure of the physiological healing process as a dynamically morphed video. Two examples used in this report include the healing of a severely fractured humerus from an explosion in Iraq and the other of dramatic tissue des...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-006-1050-5
更新日期：2007-09-01 00:00:00
abstract：:With the introduction of digital imaging in radiology, CD-Rs are increasingly used to distribute patient materials. This study investigates the application of a new software package and work protocol to integrate out-hospital data into the local PACS (picture archive and communication system) archive, which is hampere...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-005-5158-9
更新日期：2005-09-01 00:00:00
abstract：:Training as a radiology resident is a complex task. Residents frequently encounter multiple hospital systems, each with unique workflow patterns and heterogenous information systems. We identified an opportunity to ease some of the resulting anxiety and frustration by centralizing high-quality resources using a wiki. ...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-010-9292-7
更新日期：2011-02-01 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
pub_type： 杂志文章
doi：10.1007/s10278-009-9257-x
更新日期：2010-10-01 00:00:00
abstract：:The architectural design and construction of a new imaging department is one of the most complex challenges in healthcare architecture. When a client also plans a simultaneous change in basic operating system technology from film-based to filmless imaging, the challenge for both hospital management and the facility/te...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/BF03168779
更新日期：1999-05-01 00:00:00
abstract：:A long-standing challenge of content-based image retrieval (CBIR) systems is the definition of a suitable distance function to measure the similarity between images in an application context which complies with the human perception of similarity. In this paper, we present a new family of distance functions, called att...
journal_title：Journal of digital imaging
pub_type： 杂志文章,评审
doi：10.1007/s10278-007-9084-x
更新日期：2009-04-01 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
pub_type： 杂志文章
doi：10.1007/s10278-015-9821-5
更新日期：2016-04-01 00:00:00
abstract：:Rather than perpetuating the struggle, "who controls the PACS, Radiology or Information Technology (IT)," Community Hospital of the Monterey Peninsula (CHOMP) took the approach of incorporating IT support within the Radiology Department. CHOMP faced the challenge of staffing Radiology computer systems and networks by ...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-002-5048-3
更新日期：2002-01-01 00:00:00
abstract：:In this article, we describe the development and validation of an automatic algorithm to segment brain from extracranial tissues, and to classify intracranial tissues as cerebrospinal fluid (CSF), gray matter (GM), white matter (WM) or pathology. T1 weighted spin echo, dual echo fast spin echo (T2 weighted and proton ...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/BF03168729
更新日期：1998-05-01 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
pub_type： 杂志文章
doi：10.1007/s10278-007-9095-7
更新日期：2009-12-01 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
pub_type： 杂志文章
doi：10.1007/s10278-017-9980-7
更新日期：2017-08-01 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
pub_type： 杂志文章
doi：10.1007/s10278-008-9159-3
更新日期：2009-12-01 00:00:00
abstract：:High-throughput, large-scale medical image computing demands tight integration of high-performance computing (HPC) infrastructure for data storage, job distribution, and image processing. The Vanderbilt University Institute for Imaging Science (VUIIS) Center for Computational Imaging (CCI) has constructed a large-scal...
journal_title：Journal of digital imaging
pub_type： 杂志文章,评审
doi：10.1007/s10278-018-0080-0
更新日期：2018-06-01 00:00:00
abstract：:In today's radiology workflow, free-text reporting is established as the most common medium to capture, store, and communicate clinical information. Radiologists routinely refer to prior radiology reports of a patient to recall critical information for new diagnosis, which is quite tedious, time consuming, and prone t...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-018-0116-5
更新日期：2019-02-01 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
pub_type： 杂志文章
doi：10.1007/s10278-010-9327-0
更新日期：2011-08-01 00:00:00
abstract：:A study was conducted to evaluate the sensitivity of computer-aided detection (CAD) with full-field digital mammography in detection of breast cancer, based on mammographic appearance and histopathology. Retrospectively, CAD sensitivity was assessed in total group of 152 cases for subgroups based on breast density, ma...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-012-9564-5
更新日期：2013-08-01 00:00:00
abstract：:Cardiovascular disease is the leading cause of global mortality, yet its early detection remains a vexing problem of modern medicine. Although the computed tomography (CT) calcium score predicts cardiovascular risk, relatively high cost ($250-400) and radiation dose (1-3 mSv) limit its universal utility as a screening...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-011-9385-y
更新日期：2012-02-01 00:00:00
abstract：:Communicating radiological reports to peers has pedagogical value. Students may be uneasy with the process due to a lack of communication and peer review skills or to their failure to see value in the process. We describe a communication exercise with peer review in an undergraduate veterinary radiology course. The co...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-016-9905-x
更新日期：2017-02-01 00:00:00
abstract：:This study tracked a radiology department's conversion from utilization of a Kodak Amber analog system to a Kodak DirectView DR 5100 digital system. Through the use of ProModel Optimization Suite, a workflow simulation software package, significant quantitative information was derived from workflow process data measur...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-006-0770-x
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
pub_type： 杂志文章
doi：10.1007/BF03168557
更新日期：1997-05-01 00:00:00
abstract：PURPOSE:To identify practical issues surrounding delivering digital images from picture archiving and communication systems (PACS) for research and teaching purposes. The complexity of Digital Imaging and Communications in Medicine (DICOM) access methods, security, patient confidentiality, PACS database integrity, port...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/BF03190313
更新日期：2001-06-01 00:00:00
abstract：:In this paper, we propose a new method for stitching multiple fluoroscopic images taken by a C-arm instrument. We employ an X-ray radiolucent ruler with numbered graduations while acquiring the images, and the image stitching is based on detecting and matching ruler parts in the images to the corresponding parts of a ...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-014-9763-3
更新日期：2015-08-01 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
pub_type： 杂志文章
doi：10.1007/s10278-016-9870-4
更新日期：2016-12-01 00:00:00
abstract：:Extensive research efforts have been devoted to the feasibility of picture archiving and communication systems (PACS) in recent years. The advantages of PACS are numerous but mainly include reduced cost and improvement in the operational efficiency of a PACS-based radiology department. In digital radiography, images a...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/BF03168839
更新日期：1997-11-01 00:00:00
abstract：:In Hokkaido University Hospital, the large-scale PACS has been in clinical use since 1989. We developed various kinds of imaging terminals such as the image input terminal and the image display terminal for this system. This article presents detailed description of these terminals. ...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/BF03168146
更新日期：1991-11-01 00:00:00
abstract：:An enterprise imaging (EI) strategy is an organized plan to optimize the electronic health record (EHR) so that healthcare providers have intuitive and immediate access to all patient clinical images and their associated documentation, regardless of source. We describe ten steps recommended to achieve the goal of impl...
journal_title：Journal of digital imaging
pub_type： 杂志文章,评审
doi：10.1007/s10278-019-00236-w
更新日期：2019-08-01 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
pub_type： 杂志文章
doi：10.1007/s10278-006-1052-3
更新日期：2007-12-01 00:00:00
abstract：:The goal of this study is to provide the clinical end users of an enterprisewide picture archiving and communication system/Web application with a thorough understanding of the application and education to maintain patient privacy and protection. ...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-002-5101-2
更新日期：2002-01-01 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
pub_type： 杂志文章
doi：10.1007/s10278-015-9808-2
更新日期：2015-12-01 00:00:00
abstract：:The recent innovations in information and communication technologies have appreciably changed the panorama of health information system (HIS). These advances provide new means to process, handle, and share medical images and also augment the medical image security issues in terms of confidentiality, reliability, and i...
journal_title：Journal of digital imaging
pub_type： 杂志文章
doi：10.1007/s10278-017-0024-0
更新日期：2018-04-01 00:00:00
