Extraction of microcalcifications in digital mammograms using regional watershed.

abstract：:Picture archiving and communications system (PACS) in the context of an outpatient trauma care center asks for a high level of interaction between information systems to guarantee rapid image acquisition and distribution to the surgeon. During installation of the Innsbruck PACS, special aspects of traumatology had to ...

journal_title：Journal of digital imaging

authors： Peer S,Vogl R,Peer R,Jaschke W

更新日期：1999-05-01 00:00:00

abstract：:Lung cancer has the highest mortality rate of all cancers, and early detection can improve survival rates. In the recent years, low-dose CT has been widely used to detect lung cancer. However, the diagnosis is limited by the subjective experience of doctors. Therefore, the main purpose of this study is to use convolut...

journal_title：Journal of digital imaging

authors： Zhao J,Zhang C,Li D,Niu J

更新日期：2020-08-01 00:00:00

abstract：:Functional near-infrared spectroscopy (fNIRS) is a relatively new imaging modality in the functional neuroimaging research arena. The fNIRS modality non-invasively investigates the change of blood oxygenation level in the human brain utilizing the transillumination technique. In the last two decades, the interest in t...

journal_title：Journal of digital imaging

authors： Rahman MA,Siddik AB,Ghosh TK,Khanam F,Ahmad M

更新日期：2020-10-01 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：:Statistics show that the risk of autism spectrum disorder (ASD) is increasing in the world. Early diagnosis is most important factor in treatment of ASD. Thus far, the childhood diagnosis of ASD has been done based on clinical interviews and behavioral observations. There is a significant need to reduce the use of tra...

journal_title：Journal of digital imaging

authors： Aghdam MA,Sharifi A,Pedram MM

更新日期：2019-12-01 00:00:00

abstract：:Thousands of "pearls" or facts related to radiology or imaging are accessible through a categorically organized user interface. Pearls are divided up into anatomical regions, as well as non-organ-specific categories. Information is easily accessible with an ad-free interface matched with full offline capability. User ...

journal_title：Journal of digital imaging

authors： Buro J

更新日期：2018-12-01 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：:Feedback is an essential part of medical training, where trainees are provided with information regarding their performance and further directions for improvement. In diagnostic radiology, feedback entails a detailed review of the differences between the residents' preliminary interpretation and the attendings' final ...

journal_title：Journal of digital imaging

authors： Choi HH,Clark J,Jay AK,Filice RW

更新日期：2018-02-01 00:00:00

abstract：:The purpose of this study is to assess the accuracy, precision, and rapidity of liver volumes calculated by using a freehand electromagnetic pen tablet contourtracing method as compared with the volumes calculated by using the standard optical mouse contourtracing method. The imaging data used as input for accuracy an...

journal_title：Journal of digital imaging

authors： Perandini S,Faccioli N,Inama M,Pozzi Mucelli R

更新日期：2011-04-01 00:00:00

abstract：:In this work, two different approaches are proposed for region of interest (ROI) segmentation using transrectal ultrasound (TRUS) images. The two methods aim to extract informative features that are able to characterize suspicious regions in the TRUS images. Both proposed methods are based on multi-resolution analysis...

journal_title：Journal of digital imaging

authors： Mohamed SS,Li J,Salama MM,Freeman G

更新日期：2009-10-01 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：: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：: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：:Compared to traditional film radiography, digital radiography is believed to improve workflow and patient throughput. Digital radiography permits the technologist to immediately view the quality of the film directly at the modality. Additional workflow improvements, therefore, should be achieved with the integration o...

journal_title：Journal of digital imaging

authors： Dackiewicz D,Bergsneider C,Piraino D

更新日期：2000-05-01 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：: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：:Recently, several types of post-processing image filter which was designed to reduce noise allowing a corresponding dose reduction in CT images have been proposed and these were reported to be useful for noise reduction of CT images of adult patients. However, these have not been reported on adaptation for pediatric p...

journal_title：Journal of digital imaging

authors： Nishimaru E,Ichikawa K,Okita I,Tomoshige Y,Kurokawa T,Nakamura Y,Suzuki M

更新日期：2010-12-01 00:00:00

abstract：BACKGROUND:Orthopedic trauma care relies on two-dimensional radiograms both before and during the operation. Understanding the three-dimensional nature of complex fractures on plain radiograms is challenging. Modern fluoroscopes can acquire three-dimensional volume datasets even during an operation, but the device limi...

journal_title：Journal of digital imaging

authors： Matthews F,Messmer P,Raikov V,Wanner GA,Jacob AL,Regazzoni P,Egli A

更新日期：2009-10-01 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：: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：: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 objective of this study was to determine the clinical value of computed tomography (CT) image-based texture analysis in predicting microvascular invasion of primary hepatocellular carcinoma (HCC). CT images of patients with HCC from May 2017 to May 2019 confirmed by surgery and histopathology were retrospectively ...

journal_title：Journal of digital imaging

authors： Li Y,Xu X,Weng S,Yan C,Chen J,Ye R

更新日期：2020-12-01 00:00:00

abstract：:Morphometric analysis of nuclei is crucial in cytological examinations. Unfortunately, nuclei segmentation presents many challenges because they usually create complex clusters in cytological samples. To deal with this problem, we are proposing an approach, which combines convolutional neural network and watershed tra...

journal_title：Journal of digital imaging

authors： Kowal M,Żejmo M,Skobel M,Korbicz J,Monczak R

更新日期：2020-02-01 00:00:00

abstract：:Optical imaging using near-infrared light is used for noninvasive probing of tissues to recover vascular and molecular status of healthy and diseased tissues using hemoglobin contrast arising due to absorption of light. While multimodality optical techniques exist, visualization techniques in this area are limited. Ad...

journal_title：Journal of digital imaging

authors： Taka SJ,Srinivasan S

更新日期：2011-12-01 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：: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：: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：:New consumer technologies and interoperability standards have dated the first standardized curriculum for imaging informatics fellowships suggested by the Society for Computer Applications in Radiology (SCAR) in 2004 (Journal of digital imaging 17(4):244-248, 2004). Last year, analysis from this institution characteri...

journal_title：Journal of digital imaging

authors： Makeeva V,Vey B,Cook TS,Nagy P,Filice RW,Wang KC,Balthazar P,Harri P,Safdar NM

更新日期：2020-04-01 00:00:00

abstract：:The authors developed a temporal subtraction scheme based on a nonlinear geometric warping technique to assist radiologists in the detection of interval changes in chest radiographs obtained on different occasions. The performance of the current temporal subtraction scheme is reasonably good; however, severe misregist...

journal_title：Journal of digital imaging

authors： Ishida T,Ashizawa K,Engelmann R,Katsuragawa S,MacMahon H,Doi K

更新日期：1999-05-01 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