Contents Preface page xi 1 Background 1 1.1 Notion of Visibility 1 1.2 Polygon 2 1.3 Asymptotic Complexity 5 1.4 Triangulation 6 1.5 The Art Gallery Problem 8 1.6 Special Types of Visibility 11 2 Point Visibility 13 2.1 Problems and Results 13 2.2 C
Learning OpenCV Gary Bradski and Adrian Kaehler Th is book provides a working guide to the Open Source Computer Vision Library (OpenCV) and also provides a general background to the fi eld of computer vision suffi cient to use OpenCV eff ectively. P
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OmniGraffle-5说明书 OmniGraffle是由The Omni Group制作的一款绘图软件，其只能于运行在Mac OS X和iPad平台之上。它曾获得2002年的苹果设计奖[1]。 OmniGraffle可以用来绘制图表，流程图，组织结构图以及插图，也可以用来来组织头脑中思考的信息，组织头脑风暴的结果，绘制心智图，作为样式管理器，或设计网页或PDF文档的原型。 它具有采用拖放的所见即所得界面。所谓的"Stencils"—一组用于拖放的形状—可以作为OmniGraffle的插件使
