Created
April 9, 2019 09:53
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# Image Loading Code used for these examples | |
from PIL import Image | |
import numpy as np | |
import matplotlib.pyplot as plt | |
img = Image.open('/home/cat.jpg') | |
img = np.array(img) | |
plt.imshow(img) | |
plt.show() | |
WIDTH, HEIGHT, DEPTH= img.shape | |
# Flipping images with Numpy | |
flipped_img = np.fliplr(img) | |
plt.imshow(flipped_img) | |
plt.show() | |
# Shifting Left | |
for i in range(HEIGHT, 1, -1): | |
for j in range(WIDTH): | |
if (i < HEIGHT-20): | |
img[j][i] = img[j][i-20] | |
elif (i < HEIGHT-1): | |
img[j][i] = 0 | |
plt.imshow(img) | |
plt.show() | |
# Shifting Right | |
for j in range(WIDTH): | |
for i in range(HEIGHT): | |
if (i < HEIGHT-20): | |
img[j][i] = img[j][i+20] | |
plt.imshow(img) | |
plt.show() | |
# Shifting Up | |
for j in range(WIDTH): | |
for i in range(HEIGHT): | |
if (j < WIDTH - 20 and j > 20): | |
img[j][i] = img[j+20][i] | |
else: | |
img[j][i] = 0 | |
plt.imshow(img) | |
plt.show() | |
#Shifting Down | |
for j in range(WIDTH, 1, -1): | |
for i in range(HEIGHT): | |
if (j < 144 and j > 20): | |
img[j][i] = img[j-20][i] | |
plt.imshow(img) | |
plt.show() | |
# ADDING NOISE | |
noise = np.random.randint(25, size = (WIDTH, HEIGHT, DEPTH), dtype = 'int64') | |
for i in range(WIDTH): | |
for j in range(HEIGHT): | |
for k in range(DEPTH): | |
if (img[i][j][k] != 255): | |
img[i][j][k] += noise[i][j][k] | |
plt.imshow(img) | |
plt.show() |
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