[PDF] Top 20 Ensino Público e acesso ao Ensino Superior: a questão das cotas

... an automatic segmentation technique that extracts the medulla spinal’s with MRI pictures of lumbar spine twine datasets; they used a gradient vector flow (GVF) field followed by a connected element analysis ... See full document

... of images is done very frequently over the modern communication network ...confidential images used in telehealth technologies ...literature survey on the different encryption and decryption methods ... See full document

... novel automatic brain tumor detection method that uses T1, T2 weighted and PD, MR images to determine any abnormality in the brain ...of using all the 3 modalities such as T1, T2 weighted and ... See full document

... false-negative MR angiography results were obtained regarding AV shunts of the spinal cord in a relatively large series of patients with a rare ...of spinal AV abnor- malities by MR ... See full document

... image segmentation which provide more accurate segmented images as compared to other optimization ...approach using BBO based segmentation technique on medical images to improve the ... See full document

... Neurologic complications are common in patients with AIDS. Between 40% and 50% of patients with AIDS or AIDS-related complex have neurologic symptoms, with approximately 10% presenting with neurologic symptoms as initial ... See full document

... Saliency is not always a perfect contrast invariant feature, and may occasionally assign different saliency values to corresponding pixels in a pair of contrast enhanced images. In Fig. 1(g), the saliency values ... See full document

... In this paper, a new technique is presented which combines thresholding and probabilistic Relaxation Labelling Process (RLP) for automatic segmentation.. of EM images.[r] ... See full document

... T2-weighted images showed striking signal intensity voids, and noncontrast T1-weighted images revealed a linear band of slightly high intensity on the pial surfaces of the cerebrum, cerebellum, brain stem, ... See full document

... Results using a number of actual dual-echo MR images with the modified ART2A network show that ART-based networks can be used for segmentation of multi-echo MR images.. [r] ... See full document

... collected using the socio-demographic ques- tionnaire, including age, year, education level, occupa- tion, marital status, frequency of hospitalization, insur- ance status and duration of illness and the ... See full document

... Thresholding, region growing, statistical models, active control models and clustering had been implemented for segmenting images. As the intensity distribution in biomedicalimages is complex, thresholding becomes ... See full document

... Diffusion anisotropy is another issue that de- serves consideration (Fig 1). Because of time con- straints, we were unable to measure the complete trace of the diffusion tensor in our patients, but we used comparative ... See full document

... Metrizamide CT confirmed the spinal cord sizes shown on MR imaging, Intramedullary cavities were demonstrated by MR in all nine cases in which the spinal cords were enlarged, but only in[r] ... See full document

... The MR feature considered most specific for VHM, that of enlarged pial veins, has been reported in less than half the confirmed ...visible spinal vessels in 10 of 11 patients rep- resents an improvement in ... See full document

... Furthermore, the initial value for the first prior 1 is 1. EM algorithm computes a fitted model which consists only one kernel by these initial values. Whereas the model has only one kernel, this kernel should be split ... See full document

... Many automatic and semi-automatic methods have been proposed for cancer segmentation from ...to segmentation due to misalignment and ... See full document

... separating images into parts of differing ...reconstructed images contain some distortion, but these levels can be adjusted during the compression ... See full document

... The following variables were measured from all axial images in the supine position: anteroposterior size of the spinal cord SCap, transverse size of the spinal cord SCtr, anteroposterior[r] ... See full document

... The entire extent of the divided spinal cord in cases of diastematomyelia can be demonstrated consistently on only a few selected coronal MR images, as compared with the numerous axial s[r] ... See full document