نتایج جستجو برای: brain magnetic resonance image

تعداد نتایج: 1182367  

Journal: :Journal of Mathematical Imaging and Vision 1995

2015
SUNITA SINGH

Tumor classification and segmentation of brain magnetic resonance imaging (MRI) image data is an important but time consuming task performed manually by medical experts. Automating this process is challenging due to the high diversity in appearance of tumor tissue among different patients and in many cases, similarity between tumor and normal tissue. Brain imaging segmentation is a complex and ...

Journal: :iranian journal of radiology 0
chermaine deepa antony department of biomedical imaging, faculty of medicine, university malaya, kuala lumpur, malaysia; department of biomedical imaging, faculty of medicine, university malaya, 50603, kuala lumpur, malaysia. tel: +60-30379494422, fax: +60-379492030 kartini rahmat department of biomedical imaging, faculty of medicine, university malaya, kuala lumpur, malaysia anushya vijayananthan department of biomedical imaging, faculty of medicine, university malaya, kuala lumpur, malaysia jayalakshmi pailoor department of pathology, university malaya, kuala lumpur, malaysia

rhabdomyosarcoma is a common primary childhood malignancy that rarely metastasizes to the breast. we report a patient with a primary sinonasal rhabdomyosarcoma metastasizing to the breast, with no distant spread. we describe the imaging appearance of rhabdomyosarcoma on magnetic resonance imaging (mri), particularly on diffusion-weighted imaging (dwi) and apparent diffusion coefficient (adc) se...

2015
A.Sindhu S.Meera

Medical Image Processing is the fast growing and challenging field now a days. Medical Image techniques are used for Medical diagnosis. Brain tumor is a serious life threatening disease. Detecting Brain tumor using Image Processing techniques involves four stages namely Image Pre-Processing, Image segmentation, Feature Extraction, and Classification. Image processing and neural network techniqu...

Armin Allahverdy Ayuob Faramarzi Mahmood Amiri Meysam Siyah Mansoory

Introduction: The brain tumor is an abnormal growth of tissue in the brain, which is one of the most important challenges in neurology. Brain tumors have different types. Some brain tumors are benign and some brain tumors are cancerous and malignant. Glioblastoma Multiforme (GBM) is the most common and deadliest malignant brain tumor in adults. The average survival rate for peo...

2012
E. Ben George

Magnetic Resonance Image is one of the best technologies currently being used for diagnosing brain cancer at advanced stages. This paper proposes a novel approach for the MRI image enhancement, which is based on the Modified Tracking Algorithm, Histogram Equalization and Center Weighted Median (CWM) filter. This method consists of two approaches. The first approach is applying the modified trac...

2017
Neha Deshmukh Dnyaneshwari D. Patil Ramesh R. Manza

Medical imageprocessing is the fast growing and challenging field now a days. Medical Image techniques are used for Medical diagnosis. Braintumor is a serious life threatening disease. The brain tumor detection is a very important application of medical images processing. In image processing for the detection of Brain Tumor involve four stages namely Pre –processing, ImageSegmentation, Feature ...

1994
Douglas C. Noll Walter Schneider

Mapping the location of brain activity is a new and exciting application of magnetic resonance imaging (MRI). This application area has already seen the use of a variety of magnetic resonance image acquisition methods, including spin-warp, spiral k-space, and echo-planar imaging, each of which has its own advantages and disadvantages. In this paper, we examine physiological sources of image art...

2013
A. H. Mazinan M. Darabi

A fast, effective and robust wavelet-based neural network approach is realized for the purpose of segmentation of magnetic resonance images in the present research .It should be noted that magnetic resonance image shave to be considered as reference image in clinical research currently. The segmentation of magnetic resonance images of brain is aimed the researchers to specify the structure of i...

2015
Che-Lun Hung Yuan-Huai Wu Yaw-Ling Lin Yu-Chen Hu Jieh-Shan Yeh Chia-Chen Lin

In the computer aided medical image process, image segmentation is always required as a preprocess stage. Fuzzy c-means (FCM) clustering algorithm has been commonly used in many medical image segmentations, particularly in the analysis of magnetic resonance (MR) brain image. However, all of these FCM methods are computation consuming that is difficult to be used in real time application. In the...

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