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立体匹配是立体视觉技术的核心算法,但计算量大,实时性差,现有的基于FPGA的实现方法虽然可实时实现,但芯片选型通常是高性能FPGA芯片。该文针对Altera高性价比CycloneII系列FPGA芯片提出一种Census立体匹配算法的硬件实现结构,可实现640×480立体图像的实时匹配。与现有方法相比,资源占用低,匹配速度快,适用于低成本应用。 相似文献
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In order to discover more detailed topology information of a certain network, a lightweight approach is proposed, in which only one probe source is required. In this approach, a heuristic method in using the“traceroute”tool is introduced to collect more topology pieces. Based on those traces, subnets (or point-to-point links) in the backbone can be identified. With those identified information, a set of rules is developed to resolve router IP aliases. Experiments with both this approach and existing topology discovery methods are carried out on two real networks, i.e., TUNET, the Tsinghua University campus network, and CERNET (AS4538), the third largest ISP network of China. According to the comparison, the approach in this paper can get much higher quality information about IP addresses, links, and routers. In conclusion, a more complete and accurate topology can be gained with this approach. 相似文献
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泰山特曲的风格特点为"香气淡雅、柔绵净爽".以传统人工控制为主、计算机控制为辅的工作方式,在色谱骨架成分指导下确定各等级基酒的组合比例,遵循特色优先、质量第一、结构合理的原则进行各类成品酒的勾兑.在勾调中,酸的作用至关重要,酸的量按找出"味觉转变点"来确定.在总酯含量不超过2.5 g/L的前提下,酸与酯的比例在1:2左右的范围较好.(陶然) 相似文献
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