Hello, I have tried the way you suggested.I set the frame rate 25 fps,and the > exposure time is 35ms.Then the frame rate is correct,but the picture > of vedio is still bad in the natural light not the very low light.When > I set the exposure mode to autoexposure,the exposure time is about > 400ms.The vedio is normal then.But the frame rate is about 2 fps at > that time. >
What kind/name of lens do you have? Does it have adjustable aperture? Check it. With the aperture wide open you should get exposure less than 1ms at daytime. > The camera can get 640*480 in 25fps just using 3M bandwidth,do you use > Inter prediction or intra prediction in the camera? Which part is used > as Caching the pre-frame?ddr sdram or sdram? > There's no inter/intra prediction. The pixels from the sensor are buffered into ddr sdram before compression - after compressor the image is written into the frame buffer accessed by the cpu. Best regards, Oleg Dzhimiev Electronics Engineer phone: +1 801 783 5555 x124 Elphel, Inc.
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