1-Resim Okuma / Kaydetme¶

import matplotlib.pyplot as plt
import matplotlib.image as mpimg
import numpy as np

img = mpimg.imread('images/parrot.png')

plt.imshow(img)

from PIL import Image
from matplotlib.pyplot import imshow
%matplotlib inline

img_gray = Image.open("images/lena_gray.gif")
print(img_gray.width, img_gray.height, img_gray.mode, img_gray.format, type(img_gray))

imshow(img_gray)

pixels = list(img_gray.getdata())
len(pixels)

img_lena = Image.open("images/lena.jpg").convert('RGB')
print(img_lena.width, img_lena.height, img_lena.mode, img_lena.format, type(img_lena))

imshow(img_lena)

width, height = img_lena.size
print(width, height)

w,h = img_lena.size
for i in range(w):
    for j in range(h):
        r,g,b = img_lena.getpixel((i,j))
        print("({0},{1}) : r:{2},g:{3},b:{4}".format(i,j, r,g,b))

img_new = np.zeros([220,220,3],dtype=np.uint8)
img_new.fill(0)
img_new

imshow(img_new)

img_new.shape

import ipywidgets as widgets
from ipywidgets import interact, interact_manual

@interact
def change_color_img(column='colors', r=(0,255), g=(0,255), b=(0,255)):
    w = img_new.shape[0]
    h = img_new.shape[1]
    c = img_new.shape[2]
    for i in range(w):
        for j in range(h):
            img_new[i][j][0] = r
            img_new[i][j][1] = g
            img_new[i][j][2] = b
        
    imshow(img_new)

img = Image.open('images/lena.jpg')
img_array = np.array(img)

imshow(img_array)

img_negative = np.zeros([220,220,3],dtype=np.uint8)

for i in range(img_array.shape[0]):
    for j in range(img_array.shape[1]):
        r,g,b = img_array[i][j]
        
        img_negative[i][j][0] = 255-r
        img_negative[i][j][1] = 255-g
        img_negative[i][j][2] = 255-b

imshow(img_negative)

img_lena_negative = Image.fromarray(img_negative)
img_lena_negative.save('images/lena_negative.png')