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Screenshots and results of STIRA
Screenshots
Generate image dialog
Context dialog to improve
image contrast
Context dialog to simulate
and filter noise
Context dialog to inspect
image properties
Image and its
Fourier spectrum
Image and its histogram
per channel
Image and its radially
averaged Fourier spectrum
The top menu applies to the image in the active subwindow. In each subwindow, the same menus can be called as contaxt menus with the right mouse button.
Synthetic images generated with STIRA
Ising texture
Perlin clouds (1)
Perlin clouds (2)
log-frequency map
Blurred Bars
Shepp-Logan
phantom
Star chart
vertical waves
GretagMacbeth
colormap
Processing results generated with STIRA
Noise Filtering
Original Lena
Simulated Gaussian
noise (sigma=10)
Filtered using Non-
local Means
Filtered using
bivariate wavelet
shrinkage
Deconvolution
Lena (Blurred
and noisy)
Wiener filter
Richardson-Lucy
No regularization
Richardson-Lucy
+Total Variation
Analysis
Cameraman
Canny edges
Watershed