油画创作之构图的思考

一幅画的好坏关键在于其构图,结构的设计就像人的身材比例,只有合理、符合人们观察视角的构图才能称得上是成功的作品。构图的艺术也绝不局限于一种或集中思维,这是一个立体的思维框架,在了解该框架的基础上简体构图的整体的思维体系,体现出其构图的完整性和视觉美感。评判油画构图是否合理、师傅符合现代的审美标准、是否体现当下的价值观和世界观,是油画艺术家们应该深刻思考的问题。本文着力于思考油画创作过程中的构图文图,一再指出在构建构图体系和思维的时候需要注意哪些事项,以及关于此问题的一些独到的见解,希望对优化事业的发展献出自己的一份力量。

GPU acceleration of subgraph isomorphism search in large scale graph

A novel framework for parallel subgraph isomorphism on GPUs is proposed, named GPUSI, which consists of GPU region exploration and GPU subgraph matching. The GPUSI iteratively enumerates subgraph instances and solves the subgraph isomorphism in a divide-and-conquer fashion. The framework completely relies on the graph traversal, and avoids the explicit join operation. Moreover, in order to improve its performance, a task-queue based method and the virtual-CSR graph structure are used to balance the workload among warps, and warp-centric programming model is used to balance the workload among threads in a warp. The prototype of GPUSI is implemented, and comprehensive experiments of various graph isomorphism operations are carried on diverse large graphs. The experiments clearly demonstrate that GPUSI has good scalability and can achieve speed-up of 1.4–2.6 compared to the state-of-the-art solutions.

风景写生教学邹论

风景写生是走出室内,面向大自然进行户外写生,是锻炼学生艺术表现和绘画能力的非常重要的手段,对学生以后的艺术创作和理论修养都起巨大的作用。面向大自然进行风景写生可让学生对创作对象的感悟得到升华,提升学生对美发现和表达能力。本文着重对风景先对风景写生的技巧技法进行一个论述,希望对初学者起到一个启发引导的作用。

戏影品鉴

《贩马记·写状》这张照片中，两个人物在表演中互有交流，有戏在里面，瞬间抓得较好，但从整张照片来讲应是失败的。原因一是左面跪地的小生演员的脸过于侧向了。