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Lecture 23: Image Sensors (34)
han20192019

I think HDR is an interesting idea. It can take images of different exposures. Longer exposure images will enable people to see the dim places but shorter exposure images enable people to see the light places. If we can combine images taken with different period of exposures, we can get an image with more places being seen.

yuhany1024

The basic idea of HDR is figure out the radiation of each pixel by taking multiple image at different exposure. Then use algorithms (such as taking logarithm) to rescale the contrast to present the radiation.

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