create a cartoon image with the help of a matlab programme in matlab

To create a cartoon image using a MATLAB program, we need to use the following steps:

  1. Read the input image.
  2. Convert the input image from RGB to grayscale.
  3. Apply an edge detection filter to the grayscale image.
  4. Threshold the edges to create a binary mask.
  5. Apply a bilateral filter to the input image to smooth out the details while preserving the edges.
  6. Apply the binary mask to the smoothed image to create the final cartoon image.

Here is the MATLAB code to implement this:

main.m
inputImage = imread('inputImage.jpg'); % Step 1: Read input image
grayImage = rgb2gray(inputImage); % Step 2: Convert image to grayscale
edgeImage = edge(grayImage, 'Canny'); % Step 3: Apply edge detection filter to grayscale image
binaryMask = edgeImage > 0; % Step 4: Threshold edges to create binary mask
smoothedImage = imbilatfilt(inputImage); % Step 5: Apply bilateral filter to input image
cartoonImage = smoothedImage; % Initialize cartoon image

% Step 6: Apply binary mask to smoothed image to get final cartoon image
for channel = 1:3
    channelImage = smoothedImage(:, :, channel);
    channelImage(binaryMask) = 0;
    cartoonImage(:, :, channel) = channelImage;
end

imshow(cartoonImage); % Display result
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Make sure to replace 'inputImage.jpg' with the filename of your input image.

This code uses the edge function to apply a Canny edge detection filter to the grayscale image. It then applies a binary threshold to create a binary mask of the edges. Finally, it applies a bilateral filter using the imbilatfilt function to smooth out the details while preserving the edges.

The result is a cartoon-like image where the edges are emphasized and the details are smoothed out.

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