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Date: October 5, 2019

Topic:

Recall

Scene Brightness & Image Brightness

Gamma Curves

How to find a camera's response function?

• Use Calibration Chart

HDR: Multiple Exposures

Fuse has motion problem with moving objects.

Single Shot HDR Imaging

Notes

• monotonical, but not necessarily linear.

• Camera Response Function f, also known as Gamma Curves

  

  

  

  Illuminate the chart with a light source, as long as the illumination is constant over the chart.

  

  Exposure Bracketing

  

  Then virtually fuse these 4 images,

  

  

  create image sensor with unequal exposures, one can simply put a shape on top of each pixel.

  Then you'll never have a large area in the image that is either completely washed out due to the saturation or too dark.

  

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