AUTOMATIC CONTRAST ENHANCEMENT OF WHITE MATTER LESIONS IN FLAIR MRI

被引：9
作者：
Khademi, April [1 ]
Venetsanopoulos, Anastasios [1 ]
Moody, Alan [1 ]
机构：
[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 1A1, Canada
来源：
2009 IEEE INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING: FROM NANO TO MACRO, VOLS 1 AND 2 | 2009年
关键词：
Image enhancement; biomedical image processing; image segmentation; medical diagnosis;
D O I：
10.1109/ISBI.2009.5193049
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
This work concerns the development of a novel contrast enhancement algorithm for FLAIR-weighted cerebral MRI with white matter lesions (WML). The proposed method utilizes both a robust estimate of edge magnitude and intensity values to discriminate between pathological and non-pathological information. These two features are combined through several transformations, such that WML are highlighted, and normal appearing white/gray matter are suppressed. The technique utilizes information solely computed from each image and thus adapts to the input image's characteristics. The results show a significant improvement of the contrast between white matter lesions and other brain tissue (average contrast improvement of 41.1%). To demonstrate the robustness of such an enhancement scheme for WML analysis, a threshold-based segmenter is applied, which extracts the WML with good results.
引用
收藏
页码：322 / 325
页数：4
相关论文
共 9 条
[1]   Cerebral white matter hyperintense lesions are associated with unstable carotid plaques [J].
Altaf, N ;
Daniels, L ;
Morgan, PS ;
Lowe, J ;
Gladman, J ;
MacSweeney, ST ;
Moody, A ;
Auer, DP .
EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY, 2006, 31 (01) :8-13
[2]   Carotid intraplaque hemorrhage detected by magnetic resonance imaging predicts embolization during carotid endarterectomy [J].
Altaf, Nishath ;
Beech, Andrew ;
Goode, Stephen D. ;
Gladman, John R. ;
Moody, Alan R. ;
Auer, Dorothee P. ;
MacSweeney, Shane T. .
JOURNAL OF VASCULAR SURGERY, 2007, 46 (01) :31-36
[3]   Active contours without edges [J].
Chan, TF ;
Vese, LA .
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2001, 10 (02) :266-277
[4]   Optimal filter design for multiple sclerosis lesions segmentation from regions of interest in brain MRI [J].
Ghazel, Mohsen ;
Traboulsee, Anthony ;
Ward, Rabab K. .
2006 IEEE INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND INFORMATION TECHNOLOGY, VOLS 1 AND 2, 2006, :1-+
[5]   Edge detection with embedded confidence [J].
Meer, P ;
Georgescu, B .
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, 2001, 23 (12) :1351-1365
[6]   Advanced mass spectrometric methods for the rapid and quantitative characterization of proteomes [J].
Smith, RD .
COMPARATIVE AND FUNCTIONAL GENOMICS, 2002, 3 (02) :143-150
[7]  
VIDAURRAZAGA M, 2000, CONTRAST ENHANCE MEN, P1760
[8]  
Wang Y, 2008, ACAD PR SER BIOM ENG, P165, DOI 10.1016/B978-012373583-6.50011-6
[9]   A novel algorithm of local contrast enhancement for medical image [J].
Yang, Hsueh-Yen ;
Lee, Yu-Ching ;
Fan, Yu-Cheng ;
Taso, Hen-Wai .
2007 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-11, 2007, :3951-+
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