[1]范加利,赵国良.嵌入式视频系统中VGA接口的设计[J].应用科技,2008,35(10):37-40.
 FAN Jia-li,ZHAO Guo-liang.A design of VGA interface for the embedded video system[J].yykj,2008,35(10):37-40.
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嵌入式视频系统中VGA接口的设计
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《应用科技》[ISSN:1009-671X/CN:23-1191/U]

卷:
第35卷
期数:
2008年10期
页码:
37-40
栏目:
自动化技术
出版日期:
2008-10-05

文章信息/Info

Title:
A design of VGA interface for the embedded video system
文章编号:
1009-671X(2008)10-0037-04
作者:
范加利赵国良
哈尔滨工程大学自动化学院,黑龙江哈尔滨150001
Author(s):
FAN Jia-li ZHAO Guo-liang
College of Automation, Harbin Engineering University, Harbin 150001, China
关键词:
嵌入式系统VGA接口视频显示DSP
Keywords:
embedded system VGA interface video displayDSP
分类号:
TP273
文献标志码:
A
摘要:
在嵌入式视频系统中,为了满足调试以及用户的需要,对采集到的图像进行显示是不可缺少的,同时系统应能兼容较多的视频接口类型,这显然会增加系统的软、硬件的复杂性.针对上述问题,在基于TMS320DM642的嵌入式图像处理系统中,提出了一种新的VGA视频接口设计方法.将DSP芯片与视频编码芯片SAA7105简单连接,在不增加系统的成本和复杂性的前提下,实现了系统中VGA接口的设计.该方法已成功应用到某虹膜识别系统中.
Abstract:
In order to meet the demand of debugging, the display of captured images is essential in the embedded video system. Meanwhile, the system should provide as many video interfaces as possible, thus increasing the complexity of software and hardware of the system obviously. In the design of an embedded image processing system based on TMS320DM642, we proposed a new designing method for VGA interface. With a simple connection of DSP chip and video encoding SAA7105 chip, we completed the design of VGA interface but not increasing cost and complexity of the system. This method his been applied in an iris recognition system successfully.

参考文献/References:

[1] 韩相军,梁艳荣,关永.基于DSP的嵌入式驾驶疲劳监测系统研究[J]. 公路交通科技,2007(24):147-150. [2]黄飞.基于DM642的红外图像实时处理系统的设计[D].杭州:浙江大学,2006. [3]陈颖,王军华,陆亨立.基于DSP的虹膜识别系统设计[J].微计算机信息,2006,22(2): 149-150 [4]Texas Instruments.TMS320C64x DSP Video Port/VCXO Interpolated Control (VIC) Port reference guide[EB/OL].[2003-4-23].http://focus.ti.com/dsp/docs/. [5] Philips semiconductors.SAA7104E/SAA7105E DATASHEET[EB/OL].[2004-5-8] .www.us.Semiconductors.philips.com . [6]张海峰,庞其昌,段颖妮.视频编码器SAA7105E的输出模式控制\[J\].电子元器件应用,2006(8):110-114.

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更新日期/Last Update: 2008-10-27