[1] National Digestive Diseases Information Clearinghouse.Bleeding in the Digestive Tract [M].Bethesda, Maryland: National Institutes of Health, 2004:1-6.
[2] LDDAN G,MERON G, GLUKHOVSKY A,et al..Wireless capsule endoscopy[J].Nature, 2000,405(6785):417-417.
[3] SWAIN P,LDDAN G J,MERON G,et al..Wireless capsule endoscopy of the small bowel: development, testing, and first human trials [C].Biomonitoring and Endoscopy Technologies, Amsterdam, Netherlands,SPIE,4158:19-23.
[5] CHAN S,WANG J,DANIELS J M,et al..A retrospective evaluation of wireless capsule endoscopy: determination of factors that influence transit time [J].Gastrointestinal Endoscopy, 2004,59(5):175.
[6] CANLAS K R,DOBOZI B M,LIN S,et al..Using capsule endoscopy to identify GI tract lesions in cirrhotic patients with portal hypertension and chronic anemia [J].Journal of Clinical Gastroenterology, 2008,42(7):844-848.
[7] CHAN F S, CHU K M.Capsule endoscopy for gastrointestinal bleeding of obscure origin [J].Asian Journal of Surgery, 2008,31(2):96-99.
[9] BUSCAGLIA J M,GIDAY S A,KANTSEVOY S V, et al..Performance characteristics of the suspected blood indicator feature in capsule endoscopy according to indication for study [J].Clinical Gastroenterology and Hepatology, 2008,6(3):298-301.
[10] LIANGPUNSAKUL S,MAYS L,REX D K.Performance of given suspected blood indicator [J].The American Journal of Gastroenterology, 2003,98(12):2676-2678.
[11] MACKIEWICZ M,FISHER M,JAMIESON C.Bleeding detection in Wireless Capsule Endoscopy using adaptive colour histogram model and Support Vector Classification [C].Medical Imaging 2008 Conference, San Diego, CA: Spie-Int Soc Optical Engineering, 2008,6914:R1-R12.
[12] BOURBAKIS N,MAKROGIANNIS S,KAVRAKI D,et al..A neural network-based detection of bleeding in sequences of WCE images [C].5th IEEE Symposium on Bioinformatics and Bioengineering, Minneapolis, MN: IEEE Computer Soc, 2005,324-327.
[13] BAOPU L,MENG M Q H.Computer aided detection of bleeding in capsule endoscopy images [C].2008 Canadian Conference on Electrical and Computer Engineering,2008:1963-1966.
[14] HWANG S, OH J, COX J,et al..Blood detection in wireless capsule endoscopy using expectation maximization clustering [C].Medical Imaging 2006: Image Processing.San Diego, CA, USA: SPIE,2006,6144:1-11.
[15] SUB YUN J, YOUNG HO K,HA DONG L,et al..Active Blood Detection in a High Resolution Capsule Endoscopy using Color Spectrum Transformation [C].2008 International Conference on BioMedical Engineering and Informatics, IEEE, 2008:859-862.
[16] SPECH T D.Probabilistic neural network [J].Neural Networks, 1990,3(1):109-118.
[18] Mathworks.Probabilistic Neural Networks [N/OL].http://www.mathworks.com/access/helpdesk/, Jun.2009.
[19] DG A,JM B.Diagnostic tests.1: Sensitivity and specificity [J].BMJ, 1994,308(6943):1552.