| DM642采集彩色线阵CCD图像EDMA帧的设计 |
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| 引用本文： | 贾方,史智兴,蔡洪岳.DM642采集彩色线阵CCD图像EDMA帧的设计[J].安徽农业科学,2010,38(11):6027-6028,6030. |
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| 作者姓名： | 贾方 史智兴 蔡洪岳 |
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| 作者单位： | |
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| 摘 要： | 基于专用视频/图像处理芯片DM642和彩色线阵CCD TCD2252D设计了一套实时图像采集处理系统。重点研究了在实时图像采集处理系统中,使用EDMA来实时传输图像时,视频缓冲区FIFO阈值与EDMA帧尺寸的设计。
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| 关 键 词： | DM642 彩色线阵CCD EDMA 图像采集 |
Design of EDMA Frame Using DM642 Acquisition the Color Line Array CCD |
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| Institution: | JIA Fang et al (College of Information Science and Technology,Agricultural University of Hebei,Baoding,Hebei 071001) |
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| Abstract: | Based on exclusive video / image processing chip DM642 and color linear array CCD TCD2252D,a real-time image acquisition and processing system were designed.Focus on the design of video buffer FIFO threshold and EDMA frame size,when using EDMA to real-time transmission image in the real-time image acquisition and processing system.This design provides a reference for high-precision measurement of object’s movement time,speed and distance. |
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| Keywords: | DM642 EDMA |
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