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| Hui Wang, Ting-Zhu Huang, Zhi Xu, Yugang Wang. A two-stage image segmentation via global and local region active contours. Neurocomputing, 2016, 205:130-140. |
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zhangrong441(paperhunter´ú·¢): ½ð±Ò+5, ¹ÄÀø½»Á÷ 2016-08-17 09:37:29
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zhangrong441(paperhunter´ú·¢): ½ð±Ò+5, ¹ÄÀø½»Á÷ 2016-08-17 09:37:29
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¹§Ï²Äã ¼ìË÷Çé¿öÈçÏ£º A two-stage image segmentation via global and local region active contours ×÷Õß:Wang, H (Wang, Hui)[ 1,2 ] ; Huang, TZ (Huang, Ting-Zhu)[ 1 ] ; Xu, Z (Xu, Zhi)[ 1 ] ; Wang, YG (Wang, Yugang)[ 1 ] NEUROCOMPUTING ¾í: 205 Ò³: 130-140 DOI: 10.1016/j.neucom.2016.03.050 ³ö°æÄê: SEP 12 2016 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª Based on popular active contours, this paper proposes a novel two-stage image segmentation method, which incorporates the global and local image region fitting energies. In the first stage, according to the global region active contour, we preliminarily segment the image by globally using the Gaussian distribution, which can rapidly get a coarse segmentation result. Subsequently, by employing a window function, we further segment the image by using the local region active contour, where we use the final active contour of the first stage as the initialization. Compared with the first stage, the local object details are accurately segmented in the second stage, which can be considered as an accurate segmentation result. Due to the suitable initialization from the first stage, the second stage works well in accurately segmenting the image, especially in local details. To regularize the level set function, we introduce a Laplace operator, which efficiently eliminates the expensive re-initialization process of traditional level set methods. Compared with the state-of-the-art methods, experiment results demonstrate the effectiveness and performance of the proposed method with applications to synthetical and real-world images, which usually contain noise, blurry boundaries, and intensity inhomogeneities. (C) 2016 Elsevier B.V. All rights reserved. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Image segmentation; Active contours; Level set method; Two-stage KeyWords Plus:LEVEL SET EVOLUTION; FITTING ENERGY; CURVE EVOLUTION; MODEL; DRIVEN; FLOW; ALGORITHMS; EFFICIENT; MUMFORD; SNAKES ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Huang, TZ (ͨѶ×÷Õß) Univ Elect Sci & Technol China, Sch Math Sci, Chengdu 611731, Sichuan, Peoples R China. µØÖ·: [ 1 ] Univ Elect Sci & Technol China, Sch Math Sci, Chengdu 611731, Sichuan, Peoples R China [ 2 ] Anshun Univ, Sch Math & Phys, Anshun 561000, Guizhou, Peoples R China µç×ÓÓʼþµØÖ·:wanghui561403@163.com; tingzhuhuang@126.com »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ 973 Program 2013CB329404 NSFC 61370147 61170311 Sichuan Province Sci. & Tech. Research Project 2012GZX0080 ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS Àà±ð / ·ÖÀà Ñо¿·½Ïò:Computer Science Web of Science Àà±ð:Computer Science, Artificial Intelligence ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000378952500013 ISSN: 0925-2312 eISSN: 1872-8286 ÆÚ¿¯ÐÅÏ¢ Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: DQ1HQ Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 45 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

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