abstract：:The recognizability of facial images extracted from publically available medical scans raises patient privacy concerns. This study examined how accurately facial images extracted from computed tomography (CT) scans are objectively matched with corresponding photographs of the scanned individuals. The test subjects wer...

journal_title：Journal of digital imaging

authors： Parks CL,Monson KL

更新日期：2017-04-01 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 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：: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：: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：:Managing and optimizing radiation dose has become a core problem for the CT community. As a fundamental step for dose optimization, accurate and computationally efficient dose estimates are crucial. The purpose of this study was to devise a computationally efficient projection-based dose metric. The absorbed energy an...

journal_title：Journal of digital imaging

authors： Tian X,Yin Z,De Man B,Samei E

更新日期：2016-10-01 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：:Our aim was to prove the feasibility of the remote interpretation of real-time transmitted ultrasound videos of dynamic and static organs using a smartphone with control of the image quality given a limited internet connection speed. For this study, 100 cases of echocardiography videos (dynamic organ)-50 with an eject...

journal_title：Journal of digital imaging

authors： Kim C,Cha H,Kang BS,Choi HJ,Lim TH,Oh J

更新日期：2016-06-01 00:00:00

abstract：:Complex deformities of the spine, like scoliosis, are evaluated more precisely using stereo-radiographic 3D reconstruction techniques. Primarily, it uses six stereo-corresponding points available on the vertebral body for the 3D reconstruction of each vertebra. The wireframe structure obtained in this process has poor...

journal_title：Journal of digital imaging

authors： Kumar S,Nayak KP,Hareesha KS

更新日期：2016-04-01 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

authors： Balkman JD,Siegel AH

更新日期：2016-04-01 00:00:00

abstract：:Fibrous dysplasia (FD) is a developmental anomaly in which the normal medullary space of the affected bone is replaced by fibro-osseous tissue. This condition is typically encountered in adolescents and young adults. It affects the maxillofacial region and it can often cause severe deformity and asymmetry. Therefore, ...

journal_title：Journal of digital imaging

authors： Cordeiro MS,Backes AR,Júnior AF,Gonçalves EH,de Oliveira JX

更新日期：2016-02-01 00:00:00

abstract：:Multimodality medical image fusion plays a vital role in diagnosis, treatment planning, and follow-up studies of various diseases. It provides a composite image containing critical information of source images required for better localization and definition of different organs and lesions. In the state-of-the-art imag...

journal_title：Journal of digital imaging

authors： Ganasala P,Kumar V

更新日期：2016-02-01 00:00:00

abstract：:Content-based medical image retrieval (CBMIR) is a powerful resource to improve differential computer-aided diagnosis. The major problem with CBMIR applications is the semantic gap, a situation in which the system does not follow the users' sense of similarity. This gap can be bridged by the adequate modeling of simil...

journal_title：Journal of digital imaging

authors： Bedo MV,Pereira Dos Santos D,Ponciano-Silva M,de Azevedo-Marques PM,Ferreira de Carvalho AP,Traina C Jr

更新日期：2016-02-01 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：:In the UK, physicists and radiographers perform routine quality control (QC) of digital mammography equipment at daily, weekly and monthly intervals. The tests performed and tolerances are specified by standard protocols. The manual nature of many of the tests introduces variability due to the positioning of regions o...

journal_title：Journal of digital imaging

authors： Looney P,Halling-Brown MD,Oduko JM,Young KC

更新日期：2015-10-01 00:00:00

abstract：:Radiology 2.0: One Night in the ED is an app that presents users with scrollable CT images for common scenarios found in any Emergency Department (ED). A great tool for a junior resident before starting call, it allows the user to build confidence by experiencing a simulated environment of viewing all images of a case...

journal_title：Journal of digital imaging

authors： Drexler IR

更新日期：2015-08-01 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：: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：: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：:Perfusion CT of the liver typically involves scanning the liver at least 20 times, resulting in a large radiation dose. We developed and validated a simplified model of tumor blood supply that can be applied to standard triphasic scans and evaluated whether this can be used to distinguish benign and malignant liver le...

journal_title：Journal of digital imaging

authors： Boas FE,Kamaya A,Do B,Desser TS,Beaulieu CF,Vasanawala SS,Hwang GL,Sze DY

更新日期：2015-04-01 00:00:00

abstract：:Web educational resources integrating interactive simulation tools provide students with an in-depth understanding of the medical imaging process. The aim of this work was the development of a purely Web-based, open access, interactive application, as an ancillary learning tool in graduate and postgraduate medical ima...

journal_title：Journal of digital imaging

authors： Papamichail D,Pantelis E,Papagiannis P,Karaiskos P,Georgiou E

更新日期：2015-02-01 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：: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：: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：: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：:Image file format is often a confusing aspect for someone wishing to process medical images. This article presents a demystifying overview of the major file formats currently used in medical imaging: Analyze, Neuroimaging Informatics Technology Initiative (Nifti), Minc, and Digital Imaging and Communications in Medici...

journal_title：Journal of digital imaging

authors： Larobina M,Murino L

更新日期：2014-04-01 00:00:00

abstract：:The purpose of this study was to evaluate stereoscopic perception of low-dose breast tomosynthesis projection images. In this Institutional Review Board exempt study, craniocaudal breast tomosynthesis cases (N = 47), consisting of 23 biopsy-proven malignant mass cases and 24 normal cases, were retrospectively reviewed...

journal_title：Journal of digital imaging

authors： Muralidhar GS,Markey MK,Bovik AC,Haygood TM,Stephens TW,Geiser WR,Garg N,Adrada BE,Dogan BE,Carkaci S,Khisty R,Whitman GJ

更新日期：2014-04-01 00:00:00

abstract：:The main goal of this study was to determine the reproducibility of the reading of wrist trauma case radiographs using three different media: laser film, a picture archiving and communication systems (PACS) workstation, and paper with an optimized layout. The study was conducted retrospectively in 200 consecutive pati...

journal_title：Journal of digital imaging

authors： Teixeira P,Zabel JP,Baumann C,Albizzati S,Coudane H,Winninger D,Blum A

更新日期：2013-12-01 00:00:00

abstract：:There has been increasing interest in adjusting CT radiation dose data for patient body size. A method for automated computation of the abdominal effective diameter of a patient from a CT image has previously only been tested in adult patients. In this work, we tested the method on a set of 128 pediatric patients aged...

journal_title：Journal of digital imaging

authors： Cheng PM,Vachon LA,Duddalwar VA

更新日期：2013-12-01 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：:Clinical picture archiving and communications systems provide convenient, efficient access to digital medical images from multiple modalities but can prove challenging to deploy, configure and use. MRIdb is a self-contained image database, particularly suited to the storage and management of magnetic resonance imaging...

journal_title：Journal of digital imaging

authors： Woodbridge M,Fagiolo G,O'Regan DP

更新日期：2013-10-01 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：:The need for tools to monitor imaging-related radiation has grown dramatically in recent years. RADIANCE, a freely available open-source dose-monitoring tool, was developed in response to the need for an informatics solution in this realm. A number of open-source as well as commercial solutions have since been develop...

journal_title：Journal of digital imaging

authors： Cook TS,Sundaram A,Boonn WW,Kim W

更新日期：2013-08-01 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

authors： Murakami R,Kumita S,Tani H,Yoshida T,Sugizaki K,Kuwako T,Kiriyama T,Hakozaki K,Okazaki E,Yanagihara K,Iida S,Haga S,Tsuchiya S

更新日期：2013-08-01 00:00:00

abstract：:We examined the potential of the iPad 2 as a teleradiologic tool for evaluating brain computed tomography (CT) with subtle hemorrhage in the conventional lighting conditions which are common situations in the remote CT reading. The comparison of the clinician's performance was undertaken through detecting hemorrhage b...

journal_title：Journal of digital imaging

authors： Park JB,Choi HJ,Lee JH,Kang BS

更新日期：2013-08-01 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：:To evaluate the feasibility of an iPad-based documented patient briefing for Magnetic Resonance Imaging (MRI) examinations. A standard briefing sheet and questionnaire for a MRI scan was converted from paper form into an iPad application. Twenty patients, who had been referred for an MRI scan, were briefed about the e...

journal_title：Journal of digital imaging

authors： Schlechtweg PM,Hammon M,Heberlein C,Giese D,Uder M,Schwab SA

更新日期：2013-06-01 00:00:00

abstract：:We propose a joint segmentation and groupwise registration method for dynamic cardiac perfusion images that uses temporal information. The nature of perfusion images makes groupwise registration especially attractive as the temporal information from the entire image sequence can be used. Registration aims to maximize ...

journal_title：Journal of digital imaging

authors： Mahapatra D

更新日期：2013-04-01 00:00:00

abstract：:The purpose of this study was to investigate the possible effects of section thickness on volume estimations obtained by cone beam computed tomography. Intraosseal cavities representing bone defects on vestibular sides of the two dry sheep mandibles were scanned by a cone beam computed tomography system. Consecutive s...

journal_title：Journal of digital imaging

authors： Sezgin OS,Kayıpmaz S,Sahin B

更新日期：2013-02-01 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