ICIP 2006, Atlanta, GA
 

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Paper Detail

Paper:MA-L3.5
Session:Biomedical Image Segmentation
Time:Monday, October 9, 11:20 - 11:40
Presentation: Lecture
Topic: Biomedical Imaging: Biomedical image segmentation and quantitative analysis
Title: MEASURING INTRA- AND INTER-OBSERVER AGREEMENT IN IDENTIFYING AND LOCALIZING STRUCTURES IN MEDICAL IMAGES
Authors: Mehul Sampat; University of Texas at Austin 
 Zhou Wang; University of Texas at Arlington 
 Mia Markey; University of Texas at Austin 
 Gary Whitman; University of Texas M. D. Anderson Cancer Center 
 Tanya Stephens; University of Texas M. D. Anderson Cancer Center 
 Alan Bovik; University of Texas at Austin 
Abstract: Inter- and intra-observer variability exists in any measurements made on medical images. There are two sources of variability. The first occurs when the observers identify and localize the object of interest, and the second happens when the observers make appropriate measurement on the object of interest. A number of statistical methods are available to quantify the degree of agreement between measurements made by different observers. However, little has been done to develop metrics for quantifying the variability in identifying and localizing the objects of interest prior to measurement. In this paper, we propose to use the complex wavelet structural similarity index (CW-SSIM) method to measure the variability in identifying and localizing structures on images. Performance comparisons using simulated images as well as real mammography images demonstrate the effectiveness and robustness of the CW-SSIM method.