Image Analysis Tools
Home
1D Profile
ROI PSNR/SSIM
ROI Metrics
Zoom Lens
Diff Map
Histogram
NPS
Images
+ Add image
Load Examples
0 / 8
Export
GT:
Drop multiple images here
or click to browse files
All images are resized to
512x512
for display and NPS computation.
ROI + NPS Settings
Clear ROI
FFT size:
32
64
128
Shape:
Rectangle
Ellipse
Lasso
View:
-
+
Fit
2x
Hanning window
Normalize area
Log plot
Draw one ROI in a homogeneous region (no strong edges). The same ROI is applied to all images.
NPS(f) = |F{I - mean(I)}|^2, then radial averaging gives 1D NPS.
Summary
Ready
NPS Curves
Legend
Per-image NPS metrics
(no file)
Remove
Cov: --
Area: --
Peak f: --
Image
Coverage (%)
Area
Peak f
HF Share (%)
Log RMSE / GT
GT ยท
Image Analysis Tools
Image Analysis Tools