视讯会议影像伺服系统

1CCDCCDCCDCCDCCDDSPA/DConverter21.PCCCDCCDDSPCCDCCDCCDCCDCCDDSPA/DConverter(3)2.CCDCCDCCD(OpticalFlow)[1][2]CCDCPUDSPDSP43.()()ICCCD1180%5IC9101112CCD10%50%80%90%CCD64.CCD9CCD9EM7844799EM78447EM78447CCDCCD123456789CCDCCD7DSP1.CCD(VD)(HD)EM78447EM784472.EM78447PORT6-73.EM78447(START)(CLR)4.ADC5.ADCEM784476.EM78447ADC7.EM78447PORT7CCDpan-tiltCCDCCD1:3CCD1:338PWM(Pulse-WidthModulation)CCD5.ICEM78447CCDICEM78447ICEM78447A/DConverterA/DConverterStartClear8bits9CCDSTARTA/DPORT5PORT6.7PORT6.0~6PORT7CNT11CNT1=7CNT1=1CNT1=1BANK1.CNT1=3BANK2CNT1=5MATHCNT1=6STEPRUNCNT1=2CNT1=4yesnoBG=3BG=0?PORT5ADCMATHBANK1BANK2yesno106.7.8.[1]B.K.P.HornandB.G.Schunck,“DetermineOpticalFlow,”ArtificialIntelligence,Col.17,pp.204-285,1981.[2]J.L.Barron,D.J.Fleet,S.S.beauchminandT.A.Burkitt,“PerformanceofOpticalFlowTechniques,”ComputerVisionandPatternRecognition,ProceedingsCVPR’92,pp.236-242,1992.[3]”EM78447”[4]”EM78447”[5]”()”[6]””