------------------- Signal Analysis: Image/Sequence Capture ---------------------------
Ultra v2.0a User Guide
K-3
K.3 Using Captured Images as Test Patterns
The images you capture are made into Test Patterns by
taking the
Save
option offered on the Button Bar. This
displays a dialog in which you can specify both the image
format – 8-bit YUV, 10-bit YUV (YUV10), BMP or JPEG
– and a name by which to identify the captured images.
Where you opt to store the images as BMP or JPEG files,
you can also specify: the Gamut standard to be used; the
RGB or the XYZ colour space; whether colour component
values are Full range or limited to the SMPTE standard
range; what gamma to apply and the Reference White Level
for converting between RGB and XYZ (set by default to
48cd/m
2
).
The captured images are automatically made available as a Test Pattern on the Generator window,
from where they can either be used as a Test Signal on the same
Ultra
(if this includes the
Generator) or saved to disk by using the Export option described in Section W.4.
To save captured images:
1.
Select the required set of frames in the Capture list.
2.
Take the
Save
option on the Button Bar.
3.
In the dialog that is displayed (shown above), set a
Name
for the sequence. Then use the
associated drop-down menu to set the
File type
to your chosen image format.
4.
If you select either BMP or JPEG as the image format, there are a range of other options
that you can set: see ‘
Image Format Options
’ below.
5.
Click
OK
.
The selected capture is then added to the range of Test Patterns on the Generator window
under the selected name. Its entry is also cleared from the Capture List.
Image Format Options
File type
Choice of YUV (8-bit); YUV10 (10-bit); BMP; or JPEG.
Additional options for BMP & JPEG format images:
Gamut
Choice of: DCI; EBU; SMPTE C; Rec. 709; or Rec. 2020.
Range
Choice of: Full or SMPTE
Colour Space
Choice of: RGB or XYZ
Gamma
Set by default to 1
Reference white level
Set by default to 48cd/m
2
Содержание Ultra 4K Tool Box
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