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Standard SFRplus Chart
The
Standard SFRplus Chart is disigned and
can
be used with the SFRplus module in Imatest 3.2 or later to measure
MTF, lateral chromatic aberration, distortion, tonal response, and
color accuracy. The SFRplus module features fully automated
region-of-interest detection. The SFRplus chart offers significant
advantages over commonly used charts such as the ISO 12233 chart,
including 1) much less wasted area, 2) the ability to produce a map of
sharpness over the sensor surface, 3) better measurement accuracy due
to the lower contrast, and 4) full support for automated testing.
This
chart is recommended for most standard testing setups and devices.
Choose a size based on your sensor and setup limitations.
Options
include:
- Grid:
5x9 grids are recommended for for typical DSLR formats with aspect
ratios of 3:2
- Paper
Size and Active Area Options
This
chart is available in three sizes. It is recommended that the medium
sized charts be used to test imaging systems with sensors up to 12 MP,
the large charts be used for testing of sensors up to approximately 24
MP, and the extra-large charts be used for sensor sizes above 24 MP.
Paper Size (Including
Margin)
|
5x9 |
Medium |
24 |
Large |
44 |
X-Large |
44 |
Active Area
The
active area of the chart includes white space above and below the top
and bottom distortion bars. It is slightly larger than the printed
area, which is bounded by the distortion bars on top and bottom. White
space is included in active area because test images of the chart must
include this white space in order to enable automated processing in
SFRplus software.
|
5x9 |
Medium |
22 |
Large |
33 |
X-Large |
42 |
- Paper/ink
type: Matte paper/ink can be used to reduce reflected light and allow
for easier lighting setups
- Contrast
levels: 4:1 contrast ratio for new ISO standard compliance
- Color
chart: a 20 patch color chart.
Color Rendition Chart (X-Rite ColorChecker)
Scan Reference Chart
Universal
Test Target
Critical
Flesh Tones Test Chart
Bar Test Chart(IEC 61146)
White Balacing Test Chart
ISO 12233:2014 Edge SFR(eSFR)Test chart
Color Spilled Coins (Dead Leaves) Test Chart
Gray Scale Test Chart(11 steps)
Streaking Measurement Test Chart
Color Bar Test Chart
Gray scale chart
Grid Test Chart
ISO 12233 Enhanced digital camera resolution chart
Standard SFRplus Chart
SFRplus Chart on Photographic Paper QI-SFR10-P-RM
ITE Grayscale Chart II(Gamma = 1)
Black & White Spilled Coins (Dead Leaves) Test Chart
OECF Test Chart (ISO 14524)
ISO 12233: 2014 (eSFR)Photographic chart
ISO-14524 digital camera contrast chart
ISO-15739 digital camera noise test chart
ISO 12233 Digital still-camera resolution chart
Automotive Test Chart
SFRplus Chart: Inkjet on Paper - 4:1 Contrast Ratio
SFRplus Chart: Inkjet on Paper - 10:1 & 2:1 Contrast Ratio
Distortion Grid Test Chart
HDTV Gray Scale Test Chart
ITE Grayscale Chart I(Gamma = 0.45)
EIA RESOLUTION CHART 1956
Sector Star Test Chart (72 cycles)
Sector Star Test Chart (36 cycles)
HDTV Universal Test Chart
DTV Color Rendition Test Chart
36-Patch Dynamic Range Test Chart
Spectrometer
OHSP-350
OHSP350A Light
Spectrometer
HPL-200
Flicker illuminometer
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