Image to pencil sketch using python

Published: 11 July 2024
on channel: CodeMore
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sure! converting an image to a pencil sketch using python can be done by applying some image processing techniques. one common approach is to use the opencv library, which is a popular computer vision library in python.

here is a step-by-step tutorial on how to convert an image to a pencil sketch using python with opencv:

1. install the necessary libraries:
make sure you have opencv and numpy installed in your python environment. you can install them using pip:



2. load the image:
first, you need to load the image using opencv's `imread` function:



3. convert the image to grayscale:
convert the loaded image to a grayscale image using the `cvtcolor` function:



4. invert the grayscale image:
invert the grayscale image to get a negative image using the bitwise not operation:



5. apply gaussian blur:
apply gaussian blur to the inverted image to smoothen out any noise using the `gaussianblur` function:



6. blend the grayscale image with the blurred image:
blend the grayscale image with the blurred image using the `divide` function to create a pencil sketch effect:



7. display or save the pencil sketch image:
you can display the pencil sketch image using opencv's `imshow` function or save it to a file using the `imwrite` function:



and that's it! you have successfully converted an image to a pencil sketch using python and opencv.

i hope you find this tutorial helpful! let me know if you have any questions or need further assistance.

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