How to count characters from an imfill Image

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Adam Kelly
Adam Kelly 2019-11-8
回答： Anmol Dhiman 2019-11-11
I need to count the amount of alphanumerical characters from this image, I have no idea how to do that. Would anyone be able to help get started on this problem? Thanks for the help!filled image.jpg

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Anmol Dhiman
Anmol Dhiman 2019-11-11
You can use regionprops for the counting the alphanumeric characters as shown below
I = imread('Your_image.jpg');
I=rgb2gray(I);
imshow(I)
% Defining Threshold
th = 100;
BW = I > th;
% Cropping image
img = BW(50:end-100,300:end-150);
imshow(img)
% Applying regionprops
s = numel(regionprops(img))

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