From a1323f01183ce4ca3dc5785e676f09c6ca5c8114 Mon Sep 17 00:00:00 2001 From: Jim Martens Date: Fri, 2 Dec 2016 13:37:44 +0100 Subject: [PATCH] [BV] Added assignment 7 Signed-off-by: Jim Martens --- bv/uebung7.m | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 bv/uebung7.m 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, []);