Hdr Workflow - Seitz Roundshot D2x Instruction Manual

5.4 HDR workflow

5.4.1 HDR overview
The graph below contains an overview of the different possible HDR techniques.
However, only the multiple HDR solution - mixing differently exposed images - can
lead to a 32bit HDR file with extreme dynamic range.
HDR
scene
multiple
scans
Image capture
Rendering
process
Photography
Noise
Dynamic range
Colour depth
File formats
Instruction Manual Roundshot D2x
single
scan
tone-mapping = luminance
adjustment on a single image
combination of various
under- and over-
exposed
images in a new 32 bits
raw image
Single HDR
One image
Tone-mapping of the
raw image
Action photography
possible (moving
scenes)
Amplification of noise
11 f-stops (1:2600)
16-bit
dng, tiff, or jpg
- version 3.2 February 2010 -
HDR
tone mapping
HDR
tone mapping
Multiple HDR
Several images
Combination of under-/over-
exposed images into one HDR
image (raw), tone-mapping of
the raw image (optional)
Only still photography possible
(no moving scenes)
No additional noise
A multiple of 11 f-stops
16-bit or 32-bit
dng, tiff, jpg, hdr or exr
© by Seitz Phototechnik AG / Switzerland
dng
Tiff
jpeg
16-bit
dng
Tiff
jpeg
16-bit
hdr
exr
32-bit (in
progress)
www.roundshot.ch page 107