Unfortunately the illustrations in the article got corrupted, here they are:
![](http://docs.elphel.com/linuxdevices/AT8926870933_files/elphel_images/fwc_01.png)
Pixel output uncertainty caused by the shot noise
![](http://docs.elphel.com/linuxdevices/AT8926870933_files/elphel_images/fwc_02.png)
Non-linear conversion of the sensor output
The content below is downloaded from linuxdevices.io/how-many-bits-are-really-needed-in-the-image-pixels/, copyright(s) of the source apply.