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20170329-05 彭博:Evaluation of Segmentation Quality via Adaptive Composition of ...

2017-3-27 13:51| 发布者: 程一-计算所| 查看: 4845| 评论: 0

摘要: 报告嘉宾1:彭博(西南交通大学)报告时间:2017年3月29日(星期三)晚上20:00报告题目:Evaluation of Segmentation Quality via Adaptive Composition of Reference Segmentations主持人:朱鹏飞(天津大学)报告 ...



报告题目:Evaluation of Segmentation Quality via Adaptive Composition of Reference Segmentations 



Evaluating image segmentation quality is a critical step for generating desirable segmented output and comparing performance of algorithms, among others. However, automatic evaluation of segmented results is inherently challenging since image segmentation is an ill-posed problem. This paper presents a framework to evaluate segmentation quality using multiple labeled segmentations which are considered as references. For a segmentation to be evaluated, we adaptively compose a reference segmentation using multiple labeled segmentations, which locally matches the input segments while preserving structural consistency. The quality of a given segmentation is then measured by its distance to the composed reference. A new dataset of 200 images, where each one has 6 to 15 labeled segmentations, is developed for performance evaluation of image segmentation. Furthermore, to quantitatively compare the proposed segmentation evaluation algorithm with the state-of-the-art methods, a benchmark segmentation evaluation dataset is proposed. Extensive experiments are carried out to validate the proposed segmentation evaluation framework.


[1] Bo Peng, Lei Zhang, Xuanqin Mou, Ming-Hsuan Yang. Evaluation of Segmentation Quality via Adaptive Composition of Reference Segmentations.  IEEE Transactions on Pattern Analysis and Machine Intelligence. 2017 (to appear)


Bo Peng is now an Associate Professor in the School of Information Science & Technology, Southwest Jiaotong University, Chengdu, China. She received the M.S. degree from theDepartment of Computer Science, University of Western Ontario (UWO) in 2008 and the Ph.D. Degree from the Department of Computing, The Hong Kong Polytechnic University in 2012. From Aug. 2011 to Jan. 2012, she worked as a Research Assistant in the Department of Computing, The Hong Kong Polytechnic University. Her research interests include image segmentation, segmentation quality evaluation and medical image processing.






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