Artifacts found during quality assurance testing of computed radiography and digital radiography detectors.

abstract：:A C-language software program has been developed for emulating the image enhancement processing of a storage phosphor plate system. This software has been implemented on a VAX 3400 computer. There are 2,100 lines of C-language code in the program. There are seven parameters used to specify the degree of enhancement. T...

journal_title：Journal of digital imaging

authors： Templeton AW,Wetzel LH,Cook LT,Harrison LA,Eckard DA,Anderson WH,Hensley KS

更新日期：1992-02-01 00:00:00

abstract：:The purpose of this communication is to report on the testing of the disaster recovery capability of our hierarchical storage management (HSM) system. Disaster recovery implementation is a requirement of every mission-critical information technology project. Picture archiving and communications systems (PACS) certainl...

journal_title：Journal of digital imaging

authors： Avrin DE,Andriole KP,Yin L,Gould R,Arenson RL

更新日期：2000-05-01 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

authors： Tahmasebi AM,Zhu H,Mankovich G,Prinsen P,Klassen P,Pilato S,van Ommering R,Patel P,Gunn ML,Chang P

更新日期：2019-02-01 00:00:00

abstract：:In this paper, a heuristic approach to automated nipple detection in digital mammograms is presented. A multithresholding algorithm is first applied to segment the mammogram and separate the breast region from the background region. Next, the problem is considered separately for craniocaudal (CC) and mediolateral-obli...

journal_title：Journal of digital imaging

authors： Jas M,Mukhopadhyay S,Chakraborty J,Sadhu A,Khandelwal N

更新日期：2013-10-01 00:00:00

abstract：:This is the fifth and final article in our series for radiologists and imaging scientists on displaying, manipulating, and analyzing radiologic images on personal computers (PCs). There are many methods of transferring radiologic images into a PC, including transfer over a network, transfer from an imaging modality st...

journal_title：Journal of digital imaging

authors： Gillespy T 3rd,Richardson ML,Rowberg AH

更新日期：1994-08-01 00:00:00

abstract：:The purpose of this research was to determine if digitization and the application of various compression routines to digital images of temporomandibular joint (TMJ) radiographs would diminish observer accuracy in the detection of specific osseous characteristics associated with TMJ degenerative joint disease (DJD). Ni...

journal_title：Journal of digital imaging

authors： Trapnell CJ,Scarfe WC,Cook JH,Silvejra AM,Regennitter FJ,Haskell BS

更新日期：2000-02-01 00:00:00

abstract：:The increasing use of medical checklists to promote patient safety raises the question of their utility in diagnostic radiology. This study evaluates the efficacy of a checklist-style reporting template in reducing resident misses on cervical spine CT examinations. A checklist-style reporting template for cervical spi...

journal_title：Journal of digital imaging

authors： Lin E,Powell DK,Kagetsu NJ

更新日期：2014-10-01 00:00:00

abstract：:The goal of this study was to assess whether radiologists' search paths for lung nodule detection in chest computed tomography (CT) between different rendering and display schemes have reliable properties that can be exploited as an indicator of ergonomic efficiency for the purpose of comparing different display parad...

journal_title：Journal of digital imaging

authors： Wang XH,Durick JE,Lu A,Herbert DL,Golla SK,Foley K,Piracha CS,Shinde DD,Shindel BE,Fuhrman CR,Britton CA,Strollo DC,Shang SS,Lacomis JM,Good WF

更新日期：2008-10-01 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：:While the implementation of Picture Archiving and Communication Systems (PACS) has revolutionized the field of radiology, there has been considerably less utilization of PACS by emergency physicians with point-of-care ultrasound. Benefits of PACS archival of images include improved quality assurance, preservation of i...

journal_title：Journal of digital imaging

authors： Kessler R,Stowell JR,Vogel JA,Liao MM,Kendall JL

更新日期：2016-12-01 00:00:00

abstract：:Surface morphology and shape in general are important predictors for the behavior of solid-type lung nodules detected on CT. More broadly, shape analysis is useful in many areas of computer-aided diagnosis and essentially all scientific and engineering disciplines. Automated methods for shape detection have all previo...

journal_title：Journal of digital imaging

authors： Stember JN

更新日期：2015-04-01 00:00:00

abstract：:Excessive cephalocaudal anatomic (Z-axis) coverage can lead to unnecessary radiation exposure to a patient. In this study, an automated computing model was developed for identifying instances of potentially excessive Z-axis coverage with abdomen-pelvis examinations. Eight patient and imaging attributes including patie...

journal_title：Journal of digital imaging

authors： Zhang M,Wellnitz C,Cui C,Pavlicek W,Wu T

更新日期：2015-06-01 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：:Contacting clinicians to convey critical results is a critical part of radiology workflow, but many obstacles prevent easy and timely communication. Integration of radiology applications and workflow with an EHR-based patient coverage database demonstrated subjective and objective improvement in radiologist workflow a...

journal_title：Journal of digital imaging

authors： Filice R

更新日期：2017-10-01 00:00:00

abstract：:Electronic imaging clinical implementation strategies and principles need to be developed as we move toward replacement of film-based radiology practices. During an 8-month period (1998 to 1999), an Electronic Imaging Clinical Implementation Work Group (EICIWG) was formed from sections of our department: Informatics L...

journal_title：Journal of digital imaging

authors： King BF Jr,Erickson BJ,Williamson B Jr,Reading CC,James EM,Ramthun SK,Owen DA

更新日期：1999-05-01 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：:Efficient data compression is essential for practical daily operation of computed radiography (CR) systems. In this study the clinical applicability of type III irreversible high data compression using an FCR 9501 chest unit (Fuji Photo Film, Tokyo, Japan) was evaluated. Sixty-eight normal and 93 various abnormal case...

journal_title：Journal of digital imaging

authors： Egashira K,Nakata H,Watanabe H,Uchida K,Nakamura K,Ishino Y,Horino K,Yoshikawa R

更新日期：1998-11-01 00:00:00

abstract：:Devising a method that can select cases based on the performance levels of trainees and the characteristics of cases is essential for developing a personalized training program in radiology education. In this paper, we propose a novel hybrid prediction algorithm called content-boosted collaborative filtering (CBCF) to...

journal_title：Journal of digital imaging

authors： Lin H,Yang X,Wang W

更新日期：2014-08-01 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

authors： McEvoy FJ,Shen NW,Nielsen DH,Buelund LE,Holm P

更新日期：2017-02-01 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 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

authors： Turuk M,Dhande A

更新日期：2018-04-01 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：:Fusion of CT and MR images allows simultaneous visualization of details of bony anatomy provided by CT image and details of soft tissue anatomy provided by MR image. This helps the radiologist for the precise diagnosis of disease and for more effective interventional treatment procedures. This paper aims at designing ...

journal_title：Journal of digital imaging

authors： Ganasala P,Kumar V

更新日期：2014-06-01 00:00:00

abstract：:Large PACS (Picture Archiving and Communication Systems) installations do not yet exist in Sweden, but some hospitals have had experience with limited PACS activities. At present there are four mini PACS installations in radiology departments and about 12 teleradiology systems in use in Sweden. A couple of small Swedi...

journal_title：Journal of digital imaging

authors： Olsson S

更新日期：1991-08-01 00:00:00

abstract：:Under typical dark chest radiography reading room conditions, a radiologist's pupils contract and dilate as their visual focus intermittently shifts between the high luminance monitor and the darker background wall, resulting in increased visual fatigue and degradation of diagnostic performance. A controlled increase ...

journal_title：Journal of digital imaging

authors： Pollard BJ,Samei E,Chawla AS,Beam C,Heyneman LE,Koweek LM,Martinez-Jimenez S,Washington L,Hashimoto N,McAdams HP

更新日期：2012-08-01 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

authors： Chen C,Kojcev R,Haschtmann D,Fekete T,Nolte L,Zheng G

更新日期：2015-08-01 00:00:00

abstract：:Understanding the scan patterns radiologists use to view medical images is critical to the design of image viewing devices. In this study, an eyetracker, a device for recording eye and head movement, was used to determine the scan patterns during the interpretation of single and multiple computed tomographic (CT) exam...

journal_title：Journal of digital imaging

authors： Beard DV,Johnston RE,Toki O,Wilcox C

更新日期：1990-11-01 00:00:00

abstract：:We have developed an algorithm for enhancement of spicules of spiculated masses, which uses the discrete radon transform. Previously, we employed a commonly used method to compute the discrete radon transform, which we refer to as the DRT. Recently, a new, more exact method to compute the discrete radon transform was ...

journal_title：Journal of digital imaging

authors： Sampat MP,Whitman GJ,Bovik AC,Markey MK

更新日期：2008-03-01 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：: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

authors： Brye PE,Loharikar R,Duda E

更新日期：1999-05-01 00:00:00