Hi !
Super quick post today with a cool scenario to support my TikTok videos in Spanish (I know 😀):
How to add a pencil sketch effect to an image using python and opencv
Here is the output with an original photo from my office and a new image with the pencil sketch effect:
Sample code:
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Copyright (c) 2022
# Author : Bruno Capuano
# Create Time : 2022 Feb
# Change Log :
# – Open a local image
# – Apply a pencil sketch effect to the image
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import cv2
# open an image using opencv
imgOriginal = cv2 .imread ('Office2.jpg' )
img = cv2 .resize (imgOriginal , (324 , 720 ))
cv2 .imshow ('@ElBruno – Office' , img )
# get image height and width
height , width , channels = img .shape
img_gray = cv2 .cvtColor (img , cv2 .COLOR_RGB2GRAY )
img_blur = cv2 .GaussianBlur (img_gray , (21 , 21 ), 0 , 0 )
img_blend = cv2 .divide (img_gray , img_blur , scale = 256 )
cv2 .imshow ('@ElBruno – Pencil Sketch' , img_blend )
# save image using opencv
cv2 .imwrite ('OfficePencilSketch.jpg' , img )
# key controller
cv2 .waitKey (0 )
cv2 .destroyAllWindows ()
Like this: Like Loading...
Related
El Bruno 