计算机科学 ›› 2014, Vol. 41 ›› Issue (12): 288-292.doi: 10.11896/j.issn.1002-137X.2014.12.062
林晓,沈洋,马利庄,邹盼盼
LIN Xiao,SHEN Yang,MA Li-zhuang and ZOU Pan-pan
摘要: 针对传统的缝裁剪图像缩放方法中可能出现对图像中显著物体形状结构的破坏问题,提出一种既考虑到显著物体内容保持又考虑到显著物体形状结构保持的新的图像缩放方法。该方法首先利用经典的图像显著度图模型,结合图像梯度直方图等信息构建形状结构更加清晰的图像重要度图;然后利用已构建的重要度图,对图像进行分块,按显著块的大小来确定缩放方法;最后结合经典缝裁剪方法和基于共形能量的变形方法对图像进行缩放。实验结果显示,该方法能够在图像缩放时更好地保持显著物体的内容和形状结构。
[1] Avidan S,Shamir A.Seam carving for content aware image resizing [J].ACM Transactions on Graphics,2007,26(3):1-9 [2] Rubinstein M,Shamir A,Avidan S.Improved seam carving for video retargeting [J].ACM Transactions on Graphics,2008,27(3):1-9 [3] Shamir A,Avidan S.Seam carving for media retargeting[J].Communications of the ACM,2009,52(1):77-85 [4] Ariel S,Olga S.Visual media retargeting[C]∥ACM SIG-GRAPH ASIA 2009 Courses.Newu York,NY,USA,2009,11:1-13 [5] Huang Hua,Fu Tian-nan,Rosin P L,et al.Real-time content-aware image resizing [J].Science in China Series F-Information on Sciences,2009,52(2):172-182 [6] Thilagam K,Karthikeyan S.Optimized image resizing usingpiecewise seam carving [J].International Journal of Computer Applications,2012,42(14):24-30 [7] Lin Xiao,Sheng Bin,Ma Li-zhuang,et al.Seamlet Carving for Shape-Aware Image Resizing [J].Science China:Information Sciences,2012,55(5):1073-1081 [8] Wang Y S,Tai C L,Sorkine O,et al.Optimized Scale-and-Stretch for Image Resizing [J].ACM Transactions on Graphics,2008,27(5):1-8 [9] Zhang Guo-xin,Cheng Ming-ming,Hu Shi-min,et al.A Shape-Preserving Approach to Image Resizing [J].Computer Graphics Forum,2009,28(7):1897-1906 [10] 雷励星.基于混合能量的内容敏感图像缩放新方法[J].计算机学报,2010,33(10):2015-2021 [11] 施美玲,徐丹.主体大小能控的内容感知图像缩放[J].计算机辅助设计与图形学学报,2011,23(5):915-922 [12] Niu Y Z,Liu F,Li X Q,et al.Image resizing via non-homoge-neous warping [J].Multimedia Tools and Applications,2012,56(3):485-508 [13] Dong W M,Zhou N,Paul J C,et al.Optimized image resizing using seam carving and scaling [J].ACM Transactions on Graphics,2009,28(5):1-10 [14] Rubinstein M,Shamir A,Avidan S.Multi-operator media retargeting [J].ACM Transactions on Graphics,2009,28(3):1-11 [15] Dong W M,Bao G B,Zhang X P,et al.Fast multi-operator ima-ge resizing and evaluation [J].Journal of C omputer Science and Technology,2012,27(1):121-134 [16] Luo S Q,Zhang J P,Zhang Q,et al.Multi-operator image retargeting with automatic integration of direct and indirect seam carving [J].Image and Vision Computing,2012,30(9):655-667 [17] Itti L,Koch C,Niebur E.A Model of Saliency-Based Visual Attention for Rapid Scene Analysis [J].IEEE Transactions on Pattern Recognition and Machine Intelligence,1998,0(11):1254-1259 [18] Dalal N,Triggs B.Histograms of oriented gradients for human detection[C]∥Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2005).San Diego,CA,United States,2005:886-893 |
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