abstract：:Computed radiography of chest with a 4K image array was recently introduced. We performed a multiobserver study to compare the diagnostic accuracy of 2K (standard) and 4K (high quality) chest radiographs displayed on a 5-mega-pixel monitor (2K monitor). One hundred cases of posteroanterior chest radiographs (a total o...

journal_title：Journal of digital imaging

authors： Kim SY,Hwang YJ,Han YH,Seo JW,Lee JY,Kim YH,Cha SJ,Hur G,Lee SS

更新日期：2007-12-01 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：:For a region-wide teleradiology network in Germany a vendor-independent Uptime-server concept was defined. The Uptime-server was realized for the availability check and prospective error-detection of the emergency teleradiology servers and clients based on encrypted digital imaging and communication in medicine (DICOM...

journal_title：Journal of digital imaging

authors： Weisser G,Ruggiero S,Runa A,Düber C,Neff W,Walz M

更新日期：2007-12-01 00:00:00

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

authors： Penska K,Folio L,Bunger R

更新日期：2007-09-01 00:00:00

abstract：:Remote teleconsultation by specialists is important for timely, correct, and specialized emergency surgical and medical decision making. In this paper, we designed a new personal digital assistant (PDA)-phone-based emergency teleradiology system by combining cellular communication with Bluetooth-interfaced local wirel...

journal_title：Journal of digital imaging

authors： Kim DK,Yoo SK,Park JJ,Kim SH

更新日期：2007-06-01 00:00:00

abstract：:Fiber tracking allows the in vivo reconstruction of human brain white matter fiber trajectories based on magnetic resonance diffusion tensor imaging (MR-DTI), but its application in the clinical routine is still in its infancy. In this study, we present a new software for fiber tracking, developed on top of a general-...

journal_title：Journal of digital imaging

authors： Dellani PR,Glaser M,Wille PR,Vucurevic G,Stadie A,Bauermann T,Tropine A,Perneczky A,von Wangenheim A,Stoeter P

更新日期：2007-03-01 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

authors： Wideman C,Gallet J

更新日期：2006-01-01 00:00:00

abstract：:A traditional radiological workflow is compared with one based on radiology information system/picture archiving and communication system (RIS/PACS). X-ray workflow process was considered in both radiology departments. First, the study identified the main phases of the research work as follows: Process Analysis, Data ...

journal_title：Journal of digital imaging

authors： Mariani C,Tronchi A,Oncini L,Pirani O,Murri R

更新日期：2006-01-01 00:00:00

abstract：:Rapid advances are changing the technology and applications of multidetector computed tomography (CT) scanners. The major increase in data associated with this new technology, however, breaks most commercial picture archiving and communication system (PACS) architectures by preventing them from delivering data in real...

journal_title：Journal of digital imaging

authors： Meenan C,Daly B,Toland C,Nagy P

更新日期：2006-01-01 00:00:00

abstract：:The objective of this study was to determine the differential cost between film-based radiology and a hospital-wide picture archiving and communication system (PACS) implemented all at once. The cash flow and running costs of PACS and film-based operation were measured over an 8-year time horizon. When the hospital-wi...

journal_title：Journal of digital imaging

authors： Fang YC,Yang MC,Hsueh YS

更新日期：2006-01-01 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：: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

authors： van Ooijen PM,Guignot J,Mevel G,Oudkerk M

更新日期：2005-09-01 00:00:00

abstract：:Liquid crystal displays (LCD) are rapidly replacing cathode ray tube displays (CRT) for medical imaging. LCD technology has improved significantly in the last few years and has important advantages over CRT. However, there are still some aspects of LCD that raise questions as to the usefulness of liquid crystal displa...

journal_title：Journal of digital imaging

authors： Kimpe T,Xthona A,Matthijs P,De Paepe L

更新日期：2005-09-01 00:00:00

abstract：:This paper presents our solution for supporting radiologists' interpretation of digital images by automating image presentation during sequential interpretation steps. We extended current hanging protocols with support for "stages" which reflect the presentation of digital information required to complete a single ste...

journal_title：Journal of digital imaging

authors： Moise A,Atkins MS

更新日期：2005-06-01 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：:There is continual pressure on the radiology department to increase its productivity. Two important links to productivity in the computed/digital radiography (CR/DR) workflow chain are the postprocessing step by technologists and the primary diagnosis step by radiologists, who may apply additional image enhancements t...

journal_title：Journal of digital imaging

authors： Thomas MA,Rowberg AH,Langer SG,Kim Y

更新日期：2004-09-01 00:00:00

abstract：:The efficacy of two medical-grade, self-calibrating, gray scale displays were compared with regard to impact on sensitivity and specificity for the detection of interstitial lung disease (ILD) on computed radiographs (CR). The displays were a 5-megapixel (MP) cathode ray tube (CRT) device and a 3-MP liquid crystal dis...

journal_title：Journal of digital imaging

authors： Langer S,Bartholmai B,Fetterly K,Harmsen S,Ryan W,Erickson B,Andriole K,Carrino J

更新日期：2004-09-01 00:00:00

abstract：:This article describes an application for capturing, delivering, and tracking urgent radiology exam results. Urgent exam findings are entered using a Web form embedded within the Picture archiving and communication system (PACS) display station. The findings are then accessible via soft copy using the PACS display sta...

journal_title：Journal of digital imaging

authors： Tellis WM,Andriole KP

更新日期：2004-06-01 00:00:00

abstract：:In this investigation the effect of JPEG 2000 compression on the contrast-detail (CD) characteristics of digital mammography images was studied using an alternative forced choice (AFC) technique. Images of a contrast-detail phantom, acquired using a clinical full-field digital mammography system, were compressed using...

journal_title：Journal of digital imaging

authors： Suryanarayanan S,Karellas A,Vedantham S,Waldrop SM,D'Orsi CJ

更新日期：2004-03-01 00:00:00

abstract：:A prior ultrasound study indicated that images with low to moderate levels of JPEG and wavelet compression were acceptable for diagnostic purposes. The purpose of this study is to validate this prior finding using the Joint Photographic Experts Group (JPEG) baseline compression algorithm, at a compression ratio of app...

journal_title：Journal of digital imaging

authors： Persons KR,Hangiandreou NJ,Charboneau NT,Charboneau J,James E,Douglas BR,Salmon AP,Knudsen JM,Erickson BJ

更新日期：2002-03-01 00:00:00

abstract：:Transitioning to a filmless department is no easy task, especially at a large academic medical center. At the University of Medicine and Dentistry of New Jersey-New Jersey Medical School, a phased modality integration schedule was implemented to allow the technical and clinical staff to gradually absorb all of the cha...

journal_title：Journal of digital imaging

authors： Hirschorn D,Eber C,Samuels P,Gujrathi S,Baker SR

更新日期：2002-01-01 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

authors： McDonald A

更新日期：2002-01-01 00:00:00

abstract：:As hospitals convert from conventional image processing to picture archiving and communication systems (PACS) technology, new job opportunities arose for PACS analysts, PACS system administrators, PACS operators, and PACS trainers. To support a PACS, these positions require education in computer information systems an...

journal_title：Journal of digital imaging

authors： Cabrera A

更新日期：2002-01-01 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：:This article describes a segmentation technique that uses the watershed transformation to provide mass detection in dense breast digitized images. The technique consists of four steps: preprocessing, which isolates the breast from the image background; histogram equalization to enhance the contrast; watershed transfor...

journal_title：Journal of digital imaging

authors： Santos VT,Schiabel H,Góes CE,Benatti RH

更新日期：2002-01-01 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

authors： Cook K

更新日期：2002-01-01 00:00:00

abstract：:With the introduction of direct digital radiography into clinical practice, there are opportunities to provide faster and more reliable ways of performing traditional radiological tasks. A technique was developed for evaluating and measuring scoliosis, which involves the computerized stitching of a radiograph of the t...

journal_title：Journal of digital imaging

authors： Berliner L,Kreang-Arekul S,Kaufman L

更新日期：2002-01-01 00:00:00

abstract：:The drawbacks of adaptive histogram equalization techniques are the loss of definition on the edges of the object and overenhancement of noise in the images. These drawbacks can be avoided if the noise is excluded in the equalization transformation function computation. A method has been developed to separate the hist...

journal_title：Journal of digital imaging

authors： Chuang KS,Chen S,Hwang IM

更新日期：2001-12-01 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

authors： Harrison M,Koh J,Tran S,Mongkolwat P,Channin DS

更新日期：2001-06-01 00:00:00

abstract：:Frequently when patient and study identification information (patient name, patient identification, date of birth, sex, and accession number) are manually entered at a modality, typographical errors occur that have to be corrected before the acquired images can be matched to the proper patient and study on a picture a...

journal_title：Journal of digital imaging

authors： Kuzmak PM,Dayhoff RE

更新日期：2001-06-01 00:00:00

abstract：:The network system, including the picture archiving and communication system (PACS), is essential in hospital and medical imaging fields these days. Many medical images are accessed and processed on the web, as well as in PACS. Therefore, any possible accidents caused by the illegal modification of medical images must...

journal_title：Journal of digital imaging

authors： Cho Y,Ahn B,Kim JS,Kim IY,Kim SI

更新日期：2001-06-01 00:00:00

abstract：:Medical image segmentation is the crucial process for three-dimensional (3D) modeling. Many studies have claimed to suggest more accurate ways of segmentation. However, such research seems to have the drawback that it works against the parsimony principle. These methods have to resegment the regions of interest (ROIs)...

journal_title：Journal of digital imaging

authors： Lee JW,Lee J,Kim D,Kim JH,Park KS,Kang HS

更新日期：2001-06-01 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：:Major problems in treating breast cancer are the early detection of tumors and accurate biopsy of small volumes of breast (mamma) tissue. This report presents an elastic registration algorithm of two x-ray mammograms and a corresponding magnetic resonance imaging (MRI) volume. To cope with the soft tissue deformation ...

journal_title：Journal of digital imaging

authors： Ruiter NV,Müller TO,Stotzka R,Kaiser WA

更新日期：2001-06-01 00:00:00

abstract：:As hospitals convert from conventional film-based imaging to picture archival and communications systems (PACS), methods for managing an enormous library of images must change considerably. While most hospitals are required to retain general, nonmammographic, radiologic images for 7 years beyond the examination date, ...

journal_title：Journal of digital imaging

authors： Blado ME

更新日期：2001-06-01 00:00:00

abstract：:Several studies have addressed the implications of filmless radiologic imaging on telemedicine, diagnostic ability, and electronic teaching files. However, many publishers still require authors to submit hard-copy images for publication of articles and textbooks. This study compares the quality digital images directly...

journal_title：Journal of digital imaging

authors： Christian ME,Davidson HC,Wiggins RH 3rd,Berges G,Cannon G,Jackson G,Chapman B,Harnsberger HR

更新日期：2001-03-01 00:00:00

abstract：:Teleradiology applications often use an interactive conferencing mode with remote control mouse pointers. When a telephone is used for voice communication, latencies of the data network can create a temporal discrepancy between the position of the mouse pointer and the verbal communication. To assess the effects of th...

journal_title：Journal of digital imaging

authors： Stahl JN,Tellis W,Huang HK

更新日期：2000-08-01 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：:Even though facilities using computed radiography (CR) operate in an electronic environment, the production of hard-copy films is still necessary during the transition period, as well as for particular needs following complete implementation. We have implemented a quantitative technique to match the response of printe...

journal_title：Journal of digital imaging

authors： Hildestad CA,Morin RL

更新日期：2000-05-01 00:00:00

abstract：:The interfacing of digital image acquisition modalities to the picture archiving and communication system (PACS) plays a major part in the conversion from a traditional film-based radiology practice to one that relies almost entirely on soft-copy reading. The Baltimore Veterans Affairs Medical Center (VAMC) is one of ...

journal_title：Journal of digital imaging

authors： Kuzmak PM,Reiner BI,Siegel EL,Severance SM,Dayhoff RE

更新日期：2000-05-01 00:00:00