ABNORMAL REGION DETECTION IN GASTROSCOPIC IMAGES BY COMBINING CLASSIFIERS ON NEIGHBORING PATCHES

被引:11
作者
Zhang, Su [1 ]
Yang, Wei [1 ]
Wu, Yi-Lun [1 ]
Yao, Ru [1 ]
Cheng, Shi-Dan [2 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Biomed Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Ruijin Hosp, Shanghai 200240, Peoples R China
来源
PROCEEDINGS OF 2009 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-6 | 2009年
关键词
Object detection; Ensemble learning; Classifier combination; Endoscopic image; SYSTEM;
D O I
10.1109/ICMLC.2009.5212217
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Gastroscopy is widely used for the clinical examination of gastric diseases. The computerized methods capable to detect abnormal regions can help the physicians to identify the suspicious regions in gastroscopic images. The patch-based technique with the boosted stumps is adopted to detect all kinds of abnormalities in this paper. Considering that the responses of patch classifiers on the neighboring image patches are coherent, a flexible detection model is proposed which combines the patch classifiers' outputs in the products of experts form to enhance the coherence of patch classifiers. The detection methods are evaluated on a large gastroscopic image dataset containing 2949 images of 413 patients. Experimental results show that the proposed method can improve the detection performance.
引用
收藏
页码:2374 / +
页数:2
相关论文
共 17 条
[1]  
DAVID M, 2007, J MACH LEARN RES, V8, P409
[2]  
Dhandra BV, 2006, INT C PATT RECOG, P695
[3]   Additive logistic regression: A statistical view of boosting - Rejoinder [J].
Friedman, J ;
Hastie, T ;
Tibshirani, R .
ANNALS OF STATISTICS, 2000, 28 (02) :400-407
[4]   Training products of experts by minimizing contrastive divergence [J].
Hinton, GE .
NEURAL COMPUTATION, 2002, 14 (08) :1771-1800
[5]   An intelligent system for automatic detection of gastrointestinal adenomas in video endoscopy [J].
Iakovidis, Dimitris K. ;
Maroulis, Dimitris E. ;
Karkanis, Stavros A. .
COMPUTERS IN BIOLOGY AND MEDICINE, 2006, 36 (10) :1084-1103
[6]   Computer-aided tumor detection in endoscopic video using color wavelet features [J].
Karkanis, SA ;
Iakovidis, DK ;
Maroulis, DE ;
Karras, DA ;
Tzivras, M .
IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE, 2003, 7 (03) :141-152
[7]  
Kim KB, 2006, LECT NOTES COMPUT SC, V4142, P547
[8]   A neuro-fuzzy-based system for detecting abnormal patterns in wireless-capsule endoscopic images [J].
Kodogiannis, V. S. ;
Boulougoura, M. ;
Lygouras, J. N. ;
Petrounias, I. .
NEUROCOMPUTING, 2007, 70 (4-6) :704-717
[9]  
LI B, 2009, IMAGE VISION COMPUT
[10]   Detecting abnormal regions in colonoscopic images by patch-based classifier ensemble [J].
Li, P ;
Chan, KL ;
Krishnan, SM ;
Gao, Y .
PROCEEDINGS OF THE 17TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 3, 2004, :774-777