From 34de475999a22ac7280411e15339e77a0c8dbc2e Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Tue, 12 May 2015 13:15:55 +0800
Subject: initial commit

---
 gaborFilter.m | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 gaborFilter.m

(limited to 'gaborFilter.m')

diff --git a/gaborFilter.m b/gaborFilter.m
new file mode 100644
index 0000000..8cf9260
--- /dev/null
+++ b/gaborFilter.m
@@ -0,0 +1,13 @@
+function fout = gaborFilter(gamma,theta,lambda,sigma)
+    sigma_x = sigma;
+    sigma_y = sigma/gamma;
+
+    sz=fix(4*max(sigma_y,sigma_x));
+
+    [x y]=meshgrid(-sz:sz,sz:-1:-sz);
+
+    % Rotation 
+    x_theta=x*cos(theta)+y*sin(theta);
+    y_theta=-x*sin(theta)+y*cos(theta);
+
+    fout=filterNorm(exp(-0.5*(x_theta.^2/sigma_x^2+y_theta.^2/sigma_y^2)).*exp(2*i*pi/lambda*x_theta));
\ No newline at end of file
-- 
cgit v1.2.3-70-g09d2