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FatRegion: A Fast, Adaptive, Tree-structured Region Extraction Approach
Junliang Xing; Weiming Hu; Haozhou Ai; Shuicheng Yan
2016
发表期刊IEEE Transactions on Circuits and Systems for Video Technology
卷号PP期号:99页码:1-17
摘要Coherent image regions can be used as good features for many computer vision tasks, such as object tracking, segmentation, and recognition. Most of previous region extraction methods, however, are not suitable for online applications because of either their heavy computations or unsatisfactory results. We propose a seed based region growing and merging approach to generate simultaneously coherent and discriminative image regions. We present a quad-tree based seed initialization algorithm to adaptively place seeds into different image areas and then grow them into regions by a color- and edge-guided growing procedure. To merge these regions in different levels, we propose to use the generalized boundary strength to measure the quality of region merging result. And we present a region merging algorithm of linear time complexity to perform efficient and effective region merging. Overall, our new approach simultaneously holds these advantages: 1) it is extremely fast with linear complexity both in time and space, which takes less than 50 milliseconds to process a HVGA image; 2) it can give a direct control of the region number and well adapt to image regions with various sizes and shapes; 3) it provides a tree-structured representation of the regions, thus can model the image from multiple scales. We evaluate the proposed approach on the standard benchmarks with extensive comparisons to the state-of-the-art methods. Experimental results demonstrate its good comprehensive performances. Example applications using the extracted regions as features for online object tracking and multi-class object segmentation also exhibit its potential for many computer vision tasks.
关键词Object Classification Region Extraction Superpixel Object Segmentation Object Tracking
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/13723
专题模式识别国家重点实验室_视频内容安全
作者单位National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences
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GB/T 7714
Junliang Xing,Weiming Hu,Haozhou Ai,et al. FatRegion: A Fast, Adaptive, Tree-structured Region Extraction Approach[J]. IEEE Transactions on Circuits and Systems for Video Technology,2016,PP(99):1-17.
APA Junliang Xing,Weiming Hu,Haozhou Ai,&Shuicheng Yan.(2016).FatRegion: A Fast, Adaptive, Tree-structured Region Extraction Approach.IEEE Transactions on Circuits and Systems for Video Technology,PP(99),1-17.
MLA Junliang Xing,et al."FatRegion: A Fast, Adaptive, Tree-structured Region Extraction Approach".IEEE Transactions on Circuits and Systems for Video Technology PP.99(2016):1-17.
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