Image-Processing

# -*- coding: utf-8 -*-
"""
Created on Fri Nov  9 11:14:26 2018

@author: Gowtham
"""
import numpy as np
import cv2
img = cv2.imread("gray.bmp")

#cv2.imwrite("gray.bmp", img)

#cv2.imshow('image',a)
#cv2.waitKey(0)
#cv2.destroyAllWindows()



#shift 1 bit down
a = np.zeros(img.shape)
for i in range(1, len(img)):
    for j in range(len(img[i])):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i-1][j][k] = img[i][j][k]

cv2.imwrite('down.bmp', a)
            
#shift 1 bit up
a = np.zeros(img.shape)
for i in range(len(img)-1):
    for j in range(len(img[i])):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i+1][j][k] = img[i][j][k]

cv2.imwrite('up.bmp', a)

#shift 1 bit left
a = np.zeros(img.shape)
for i in range(len(img)):
    for j in range(1, len(img[i])):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i][j-1][k] = img[i][j][k]

cv2.imwrite('left.bmp', a)
            
#shift 1 bit right
a = np.zeros(img.shape)
for i in range(len(img)):
    for j in range(len(img[i])-1):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i][j+1][k] = img[i][j][k]

cv2.imwrite('right.bmp', a)

#shift 1 bit down 1 bit left
a = np.zeros(img.shape)
for i in range(1, len(img)):
    for j in range(1, len(img[i])):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i-1][j-1][k] = img[i][j][k]

cv2.imwrite('leftdown.bmp', a)
            
#shift 1 bit up
a = np.zeros(img.shape)
for i in range(len(img)-1):
    for j in range(len(img[i])-1):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i+1][j+1][k] = img[i][j][k]

cv2.imwrite('rightup.bmp', a)

#shift 1 bit left
a = np.zeros(img.shape)
for i in range(len(img)-1):
    for j in range(1, len(img[i])):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i+1][j-1][k] = img[i][j][k]

cv2.imwrite('leftup.bmp', a)
            
#shift 1 bit right
a = np.zeros(img.shape)
for i in range(1, len(img)):
    for j in range(len(img[i])-1):
        for k in range(len(img[i][j])):
            #print(img[i][j][k])
            a[i-1][j+1][k] = img[i][j][k]

cv2.imwrite('rightdown.bmp', a)