JP4 HDR

HDR JP4

Bayer pattern look like this

R	G1	R	G1	R	G1
G2	B	G2	B	G2	B
R	G1	R	G1	R	G1
G2	B	G2	B	G2	B
R	G1	R	G1	R	G1
G2	B	G2	B	G2	B

Some sensors have possibility to set independed scale to G1 and G2. Considering that the accessible optics does not give the full permission of a sensor resolution, it can be used for increase in a dynamic range of a image sensor.

150px nonHDR image with gain=1

150px nonHDR image with gain=16

150px HDR source image with gained G2

150px processed HDR image