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一种下一代激光雷达的设计与实现
  • 期刊名称：半导体光电
  • 时间：0
  • 页码：707-709+732
  • 语言：中文
  • 分类：TP391.41[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]华中科技大学图像识别与人工智能研究所,湖北武汉430074, [2]长春理工大学光电工程学院,吉林长春130022
  • 相关基金：国家自然科学基金重点资助项目(60736010)
  • 相关项目：形态学连通性理论及在图像分割中的应用研究
作者： 蒙庆华|邓廷权|张天序|易可佳|
关键词： 图像处理, 图像旋转, 3步平移算法, 缓存机制, 超大规模集成电路流水结构, image processing, image rotation, three-pass algorithm, buffer scheme, very large scale integrated （VLSI） circuits pipelined architecture
中文摘要：

提出了一种基于3步平移算法的实时图像二维旋转VLSI流水结构．该结构采用了一种新颖的缓存机制，通过错位存储中间结果和单独存储列平移量的方式，显著减少了片上存储器的总容量，同时也减少了整个旋转过程中无效数据的处理量，提高了数据通过率．该设计采用SMIC0．18μmCMOS工艺进行了流片，在100MHz工作频率下，对一幅512×512的图像旋转45°，处理时间约为3．81ms，满足了大多数图像处理系统的实时性要求．

英文摘要：

A pipelined VLSI architecture for three-pass rotation algorithm was proposed, in which a buffer scheme was used. This architecture buffers the intermediate results in the dislocated order and stores the offsets in the horizontal direction separately. As a result, both the area of on-chip memory and the amount of pixels processed were reduced. The design was fabricated by SIMC （Semiconductor Manufacturing International Corporation） 0.18 μm CMOS （complementary metal oxide semiconductor） technology. Experimental results show that it only takes 3.81 ms at 100 MHz to rotate a 512 × 512 image by the angle 45°, which meets the real-time requirement for many application systems.

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高速平台多模检测识别动目标的理论方法与关键技术
期刊论文 91 会议论文 45 著作 2
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