Enhanced Computer Assisted Detection of Polyps in CT Colonography Robert Sadleir Under the supervision of Prof. Paul F. Whelan at Dublin City University Submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy Dublin City University, 2006 This thesis presents a novel technique for automatically detecting colorectal polyps in CT colonography (CTC). The objective...

In this paper we present a method to quantify the cardiac blood irrigation through echographic images for heart disease diagnosis. This method relies on the registration of acquired images with a heart model in order to provide a robust segmentation of the cardiac walls, giving the doctor precise and non subjective anatomical information, as well as to advance towards future works oriented to a...

This study explored the effectiveness of the two computer-assisted modes: cooperative and individual on improving Iranian high school students’ reading comprehension. It was also concerned with investigating the effectiveness of the two computer-assisted modes on the participants’ foreign language learning anxiety (FLLA). The sample of the study consisted of two intact groups, each containing 2...

This study explored the effectiveness of the two computer-assisted modes: cooperative and individual on improving Iranian high school students’ reading comprehension. It was also concerned with investigating the effectiveness of the two computer-assisted modes on the participants’ foreign language learning anxiety (FLLA). The sample of the study consisted of two intact groups, each containing 2...

Availability of digital data within picture archiving and communication systems raises a possibilities of health care and research enhancements associated with manipulation, processing and handling of data by computers. That is a basis for computer-assisted radiology development. Further development of computer-assisted radiology is associated with the use of new intelligent capabilities, such ...

  Solitary pulmonary nodule (SPN) is a frequent finding on the chest x-ray and computed tomography. Nuclear medicine techniques play an important role in the diagnosis and management of SPN. In the current review, we briefly will explain the different nuclear medicine modalities in this regard including positron emission tomography (PET) using 18-F-FDG, and 11-C-Methionine, and single photon em...

Photothermal diffusion-wave imaging is a promising technique for the analysis of a range of media. However, traditional diffusion-wave techniques are limited by the physics of parabolic diffusion and can only produce depth-integrated planar images. Here, we report a depth-resolved photothermal imaging modality, henceforth termed truncated-correlation photothermal coherence tomography (TC-PCT). ...

BACKGROUND Sarcoidosis is a rare condition that is often misdiagnosed as malignant tumors due to the similar clinical manifestations and imaging findings. CASE PRESENTATION We encountered a 56-year-old Chinese woman who had a chief complaint of a persistent cough. The chest computer tomography (CT) revealed mediastinal and bilateral hilar lymph node enlargement, and positron emission tomograp...

background: public service advertising (psa) is a public interest message disseminated in the form of an advertisement communication and its main purpose is to promote public behavioral changes regarding a social issue. korea centers for disease control and prevention (kcdc) has been delivering psa by various media. however, the effect of psas has never been evaluated. the purpose of this study...