diff --git a/bv/uebung7.m b/bv/uebung7.m
new file mode 100644
index 0000000..e84ed50
--- /dev/null
+++ b/bv/uebung7.m
@@ -0,0 +1,15 @@
+% 2.
+peppers = rgb2gray(imread('peppers.png'));
+peppers_1 = imnoise(peppers, 'salt & pepper', 0.02);
+peppers_2 = imgaussfilt(peppers);
+peppers_3 = imnoise(peppers, 'salt & pepper', 0.6);
+
+peppers_fft = fftshift(log(abs(fft2(peppers))));
+peppers1_fft = fftshift(log(abs(fft2(peppers_1))));
+peppers2_fft = fftshift(log(abs(fft2(peppers_2))));
+peppers3_fft = fftshift(log(abs(fft2(peppers_3))));
+
+figure (1), imshow(peppers_fft, []);
+figure (2), imshow(peppers1_fft, []);
+figure (3), imshow(peppers2_fft, []);
+figure (4), imshow(peppers3_fft, []);