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/*
  Source code for blog post http://thesourcecodenotes.blogspot.co.uk/2015/09/create-image-and-pixel-structure-for.html
  The code creates a 256x256 PPM image with a white background and only one red pixel located in the center of it.
  by Antonio Molinaro, 2015.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct {

robdanet

/*
  Source code for blog post http://thesourcecodenotes.blogspot.co.uk/2015/09/imaage-processing-in-c-enbossing-filter.html
  The code is an implementation of an embossing filter in c for PPM images.
  by Antonio Molinaro, 2015.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct {

robdanet

## Original code from the series on image processing in python
## Read the tutorial at https://thesourcecodenotes.blogspot.com/2021/07/image-processing-in-python.html

from PIL import Image, ImageTk
import tkinter as tk
 
def rgb2gray(input_image):
    if input_image.mode != 'RGB':
        return None
    else:

robdanet

## Original code from the series on image processing in python
## Read the tutorial at https://thesourcecodenotes.blogspot.com/search/label/brightness


from PIL import Image, ImageTk
import tkinter as tk

 

def brightness(input_image, value):

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## Original code from the series on image processing in python
## Read the tutorial at https://thesourcecodenotes.blogspot.com/search/label/contrast-stretching

from PIL import Image, ImageTk
import tkinter as tk

 

def contrast(input_image, value):
    if input_image.mode != 'L' and input_image.mode != 'P':

robdanet

## Original code from the series on image processing in python
## Read the tutorial at https://thesourcecodenotes.blogspot.com/2021/07/image-processing-in-python-4-grey-level.html

from PIL import Image, ImageTk 
import tkinter as tk



def histogram(input_image):
    if input_image.mode != 'L' and input_image.mode != 'P':