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Segmentation and estimation of brain tumor volume in magnetic resonance images based on T2-weighted using hidden markov random field algorithm
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نویسنده
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abdulbaqi h.s. ,jafri m.z.m. ,mutter k.n. ,omar a.f. ,mustafa i.s.b. ,abood l.k.
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منبع
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journal of telecommunication, electronic and computer engineering - 2016 - دوره : 8 - شماره : 3 - صفحه:9 -13
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چکیده
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A brain tumor is an abnormal growth of tissue in the brain. the segmentation of brain tumors,which has been manually achieved from magnetic resonance images (mri) is a decisive and time-consuming task. treatment,diagnosis,signs and symptoms of the brain tumors mainly depend on the tumor size,position,and growth pattern. the accuracy and timeliness of detecting a brain tumor are vital factors to achieve the success in diagnosis and treatment of brain tumor. therefore,segmentation and estimation of volume of brain tumor have been deemed a challenge mission in medical image processing. this paper aims to present a new approach,to improve the segmentation of brain tumors form t2-weighted mri images using hidden markov random fields (hmrf) and threshold method. we calculate the volume of the tumor using a new approach based on 2d images measurements and voxel space. the accuracy of segmentation is computed by using the roc method. in order to validate the proposed approach a comparison is achieved with a manual method using mango software. this comparison reveals that the noise or impurities in measurement of tumor volume are less in the proposed approach than in mango software.
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آدرس
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school of physics,universiti sains malaysia,penang,malaysia,department of physics,college of education al-qadisiya,al-qadisiya, Iraq, school of physics,universiti sains malaysia,penang, Malaysia, school of physics,universiti sains malaysia,penang, Malaysia, school of physics,universiti sains malaysia,penang, Malaysia, school of physics,universiti sains malaysia,penang, Malaysia, department of computer science,college of science,university of baghdad,baghdad, Iraq
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Authors
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