计算机科学 ›› 2017, Vol. 44 ›› Issue (8): 27-30.doi: 10.11896/j.issn.1002-137X.2017.08.005
李瑞龙,梁缘,张松海
LI Rui-long, LIANG Yuan and ZHANG Song-hai
摘要： 矢量化的视频图像相对于光栅化的视频图像具有储存容量小、缩放不失真等诸多优点。相对于真实视频,卡通视频因色块明显、线条清晰等特点更适合于进行矢量化处理。基于卡通的特性提出了一种基于Canny边缘检测的优化分割算法。主要针对Canny边缘提取不封闭的特点进行优化,并将其用于图像分割。提出了一种算法来提取卡通动画的素材,并为卡通动画构建素材库。通过素材重用的方式大大地缩小了卡通视频的储存空间,并且很好地解决了卡通视频矢量化问题中极易产生的帧间不一致的问题。实现了一个全自动地进行卡通视频矢量化的系统,其中包括卡通视频的镜头分割、素材库的构建等过程。该系统能够适应多种卡通视频,并能对视频中的细节区域产生较好的效果。
| [1] SUN J,LIANG L,WEN F,et al.Image vectorization using optimized gradient meshes[J].ACM Transactions on Graphics,2007,26(3):59-82. [2] ZITNICK C L,JOJIC N,KANG S B.Consistent Segmentation for Optical Flow Estimation[C]∥IEEE International Confe-rence on Computer Vision.2005:1308-1315. [3] LECOT G,LEVY B.Ardeco:automatic region detection and con-version[C]∥Eurographics Symposium on Rendering Techniques,Nicosia,Cyprus.2006:349-360. [4] ORZAN A,BOUSSEAU A,WINNEM,et al.Diffusion Curves:A Vector Representation for Smooth-Shaded Images[J].Communications of the ACM,2008,56(7):101-108. [5] CANNY J.A Computational Approach to Edge Detection-Rea-dings in Computer Vision[J].IEEE Transactions on Pattern Analysis & Machine Intelligence,2010,PAMI-8(6):679-698. [6] LAI Y K,HU S M,MARTIN R R.Automatic and Topology-Preserving Gradient Mesh Generation for Image Vectorization[J].ACM Transactions on Graphics,2009,28(3):341-352. [7] KOPF J,LISCHINSKI D.Depixelizing pixel art[C]∥ACMSIGGRAPH Conference.2011:76-79. [8] SUN J,LIANG L,WEN F,et al.Image vectorization using optimized gradient meshes[J].ACM Transactions on Graphics,2007,26(3):59-82. [9] QU Y,WONG T T,HENG P A.Manga colorization[J].ACM Transactions on Graphics,2006,25(3):1214-1220. [10] ＇KORA D,BURINEK J,RA J.Colorization of black-and-white cartoons[J].Image & Vision Computing,2005,23(9):767-782. [11] ＇KORA D,BURINEK J,RA J.Sketching cartoons by example http://dx.doi.org/10.2312/SBM/SBM 05/027-033. [12] ＇KORA D,BURINEK J,RA J.Video Codec for Classical Cartoon Animations with Hardware Accelerated Playback[M]∥Advances in Visual Computing.Springer Berlin Heidelberg,2005:43-50. [13] ZHANG S H,CHEN T,ZHANG Y F,et al.Vectorizing Cartoon Animations[J].IEEE Transactions on Visualization & Computer Graphics,2009,15(4):618-629. [14] KUMAR M P,TORR P H S,Zisserman A.Learning Layered Motion Segmentations of Video[C]∥Tenth IEEE International Conference on Computer Vision.2005:33-40. [15] XIAO J,SHAH M.Motion Layer Extraction in the Presence of Occlusion Using Graph Cut[C]∥IEEE Computer Society Conference on Computer Vision and Pattern Recognition.2004:972-979. [16] RRBIN J M,RICHARDS W A.Color vision and image intensities:When are changes material?[J].Biological Cybernetics,1982,45(3):215-226. [17] CHANG J,WEI D,III J W F.A Video Representation Using Temporal Superpixels[C]∥IEEE Conference on Computer Vision & Pattern Recognition.IEEE,2013:2051-2058. |
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