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 global analog gain=1

150px nonHDR image with global analog gain=16

150px HDR source image with gained G2

150px processed HDR image

Matlab have interesting possibility for creating HDR from series of LDR images.

We can easy make script for online & one click make HDR from series of images with different exposure times.

Reference:

• pfsTools
• Tone Mapping algos. With image/video samples.
• Gallery of Reference Tone Mapped Images