# Developed By: T S Yamunaasri
# Register Number: 212222240117
import cv2
import matplotlib.pyplot as plt

# Histogram for Gray scale and Color image
 
gray_image = cv2.imread('grayscale.jpeg')
color_image = cv2.imread('color.jpeg')
plt.imshow(gray_image)
plt.show()
plt.imshow(color_image)
plt.show()
hist = cv2.calcHist([gray_image],[0],None,[256],[0,256])
hist1 = cv2.calcHist([color_image],[1],None,[256],[0,256])
plt.figure()
plt.title("Histogram")
plt.xlabel('GrayScaleValue')
plt.ylabel('PixelCount')
plt.stem(hist)
plt.show()
plt.figure()
plt.title("Histogram")
plt.xlabel('Intensity Value')
plt.ylabel('PixelCount')
plt.stem(hist1)
plt.show()



# Equalized Image
import cv2
Gray_image=cv2.imread('gray.jpeg',0)
equ = cv2.equalizeHist(Gray_image)
cv2.imshow('Gray Image',Gray_image)
cv2.imshow('Equalized Image',equ)
cv2.waitKey(0)
cv2.destroyAllWindows()