Detection of microcalcifications by means of multiscale methods and statistical techniques.

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

authors： Erickson BJ,Avula RT

更新日期：1998-05-01 00:00:00

abstract：:In this study, we sought to estimate the patient radiation doses in the digital radiography X-ray examinations conducted in a large hospital. The patient exposure factors and kerma-area product (PKA) were retrospectively recorded via the Digital Imaging and Communications in Medicine (DICOM) header for 547 patients. T...

journal_title：Journal of digital imaging

authors： Suliman II

更新日期：2020-02-01 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：:It is difficult to detect sentinel lymph nodes (SLNs) around an injection point of radiopharmaceuticals mapped in lymphoscintigrams. The purpose of this study was to develop a computer-aided detection (CAD) scheme for SLNs by a subtraction technique using the symmetrical property in the mapped injection point. Our dat...

journal_title：Journal of digital imaging

authors： Nakayama R,Hizukuri A,Yamamoto K,Nakako N,Nagasawa N,Takeda K

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

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

更新日期：2017-02-01 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：: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：: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：:Academic medical centers, in general, and radiation oncology research, in particular, rely heavily on custom software tools and applications. The code development is typically the responsibility of a single individual or at most a small team. Often these individuals are not professional programmers but physicists, stu...

journal_title：Journal of digital imaging

authors： Gersten DB,Langer SG

更新日期：2011-02-01 00:00:00

abstract：:Considerable debate within the medical community has focused on the optimal location of information technology (IT) support groups on the organizational chart. The challenge has been to marry local accountability and physician acceptance of IT with the benefits gained by the economies of scale achieved by centralized ...

journal_title：Journal of digital imaging

authors： Channin DS,Bowers G,Nagy P

更新日期：2009-06-01 00:00:00

abstract：:This is the second article of our series for radiologists and imaging scientists on displaying, manipulating, and analyzing radiologic images on personal computers (PCs). The first article discussed the digital image data file, standard PC graphic file formats, and various methods for importing radiologic images into ...

journal_title：Journal of digital imaging

authors： Gillespy T 3rd,Rowberg AH

更新日期：1993-08-01 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

authors： Ozaki Y,Miyasaka K

更新日期：1991-11-01 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：:We investigate the viability of statistical relational machine learning algorithms for the task of identifying malignancy of renal masses using radiomics-based imaging features. Features characterizing the texture, signal intensity, and other relevant metrics of the renal mass were extracted from multiphase contrast-e...

journal_title：Journal of digital imaging

authors： Kunapuli G,Varghese BA,Ganapathy P,Desai B,Cen S,Aron M,Gill I,Duddalwar V

更新日期：2018-12-01 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：: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：:This manuscript reviews Touch Surgery, a novel online platform geared towards innovating professional training for surgical procedures. In other industries, such as aviation, simulation has already been shown to reduce costs and improve outcomes in crisis (JETS 3(4):348-352, 2010). Studies involving simulation-based l...

journal_title：Journal of digital imaging

authors： Mandler AG

更新日期：2018-10-01 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

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：:We have now analyzed the use and benefits of four Strategic Thinking Tools for Radiology: the Vision Statement, the High Five, the Two-by-Two, and Real-Win-Worth. Additional tools will be provided during the tutorial. The tools provided above should be considered as examples. They all contain the 10 benefits outlined ...

journal_title：Journal of digital imaging

authors： Schilling RB

更新日期：1997-08-01 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：: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：: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：: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：: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：:The effect of percutaneous, surgical, and medical therapies for vascular malformations (VMs) is often difficult to quantify volumetrically using cross-sectional imaging. Volumetric measurement is often estimated with serial, expensive MRI examinations which may require sedation or anesthesia. We aim to explore whether...

journal_title：Journal of digital imaging

authors： Speir EJ,Matthew Hawkins C,Weiler MJ,Briones M,Swerdlin R,Park S,Brandon Dixon J

更新日期：2019-04-01 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：: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：:Validation of medical signal and image processing systems requires quality-assured, representative and generally acknowledged databases accompanied by appropriate reference (ground truth) and clinical metadata, which are composed laboriously for each project and are not shared with the scientific community. In our vis...

journal_title：Journal of digital imaging

authors： Deserno TM,Welter P,Horsch A

更新日期：2012-04-01 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

authors： Primo H,Bishop M,Lannum L,Cram D,Nader A,Boodoo R

更新日期：2019-08-01 00:00:00