Image to ASCII art Image in Python

Image to ASCII art Image in Python In Hindi

This is the python code and models are available on Github -

import numpy as np 

import cv2

print("loading models.....")

net = cv2.dnn.readNetFromCaffe('./model/colorization_deploy_v2.prototxt','./model/colorization_release_v2.caffemodel')

pts = np.load('./model/pts_in_hull.npy')

class8 = net.getLayerId("class8_ab")

conv8 = net.getLayerId("conv8_313_rh")

pts = pts.transpose().reshape(2,313,1,1)

net.getLayer(class8).blobs = [pts.astype("float32")]

net.getLayer(conv8).blobs = [np.full([1,313],2.606,dtype='float32')]

image = cv2.imread('./images/albert_einstein.jpg')

scaled = image.astype("float32")/255.0

lab = cv2.cvtColor(scaled,cv2.COLOR_BGR2LAB)

resized = cv2.resize(lab,(224,224))

L = cv2.split(resized)[0]

L -= 50

net.setInput(cv2.dnn.blobFromImage(L))

ab = net.forward()[0, :, :, :].transpose((1,2,0))

ab = cv2.resize(ab, (image.shape[1],image.shape[0]))

L = cv2.split(lab)[0]

colorized = np.concatenate((L[:,:,np.newaxis], ab), axis=2)

colorized = cv2.cvtColor(colorized,cv2.COLOR_LAB2BGR)

colorized = np.clip(colorized,0,1)

colorized = (255 * colorized).astype("uint8")

cv2.imshow("Original",image)

cv2.imshow("Colorized",colorized)

cv2.waitKey(0)