电子设计工程
電子設計工程
전자설계공정
Electronic Design Engineering
2015年
22期
140-142,146
,共4页
TMS320DM6437芯片%图像采集%CMOS传感器%VPSS
TMS320DM6437芯片%圖像採集%CMOS傳感器%VPSS
TMS320DM6437심편%도상채집%CMOS전감기%VPSS
TMS320DM6437 chip%image acquisition%CMOS sensor%VPSS
设计并实现了一种以TMS320DM6437 DSP为核心的掌静脉图像采集系统. 本系统采用了波长为470 nm蓝光和波长为850 nm近红外光作为主要光源,通过手掌和光源系统非接触的方式采集手部图像,采集完手部图像后,提取手部的特征信息,然后结合特征识别算法进行身份识别.该系统主要包括CMOS传感器、TMS320DM6437的视频处理子系统(VPSS)和显示器. 实验结果表明:该系统采集到的图像清晰、系统稳定性好、采集速度快,满足了系统的设计要求.
設計併實現瞭一種以TMS320DM6437 DSP為覈心的掌靜脈圖像採集繫統. 本繫統採用瞭波長為470 nm藍光和波長為850 nm近紅外光作為主要光源,通過手掌和光源繫統非接觸的方式採集手部圖像,採集完手部圖像後,提取手部的特徵信息,然後結閤特徵識彆算法進行身份識彆.該繫統主要包括CMOS傳感器、TMS320DM6437的視頻處理子繫統(VPSS)和顯示器. 實驗結果錶明:該繫統採集到的圖像清晰、繫統穩定性好、採集速度快,滿足瞭繫統的設計要求.
설계병실현료일충이TMS320DM6437 DSP위핵심적장정맥도상채집계통. 본계통채용료파장위470 nm람광화파장위850 nm근홍외광작위주요광원,통과수장화광원계통비접촉적방식채집수부도상,채집완수부도상후,제취수부적특정신식,연후결합특정식별산법진행신빈식별.해계통주요포괄CMOS전감기、TMS320DM6437적시빈처리자계통(VPSS)화현시기. 실험결과표명:해계통채집도적도상청석、계통은정성호、채집속도쾌,만족료계통적설계요구.
The design and implementation of a TMS320DM6437 to DSP as the core of the palm vein image acquisition system. This system adopts the wavelength of 470nm blue light and wavelength of 850nm near infrared light as the main light source and light source system by contactless palm hand imageacquisition mode, after the hand image acquisition, feature extraction ofinformation for the hand, and then combine the feature recognitionalgorithm for identification. Video processing subsystem of the system mainly consists of CMOS sensor, the TMS320DM6437 (VPSS) and display.Experimental results show that the image acquisition to the system clear,good system stability, fast acquisition speed, meet the requirement ofsystem design.
