removing unwanted pixels
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I have an image
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/147128/image.png)
in which i need only the text ,i want to remove extra whitr regions around the text.please help
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Sean de Wolski
2012년 4월 25일
How can you tell whether it's German/French/Spanish/English by looking at the text alone?
For example: whiskey
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Andrei Bobrov
2012년 4월 25일
Im = imread('Q8.png');
BW = im2bw(Im,graythresh(Im));
bw1 = imdilate(BW,[0 0 0 0 1 1 1 1]);
s = regionprops(bw1,'Area');
k = sort([s.Area],'descend');
bw2 = bwareaopen(bw1, k(2)-1);
bw3 = imfill(bw2,'holes');
bwOut = bw3 & BW;
imshow(bwOut)
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추가 답변 (2개)
Teja Muppirala
2012년 4월 25일
Maybe IMFILL might work?
A = [1 1 1 1; 1 0 1 0; 1 1 1 0]
imfill(A)
imfill(A) - A
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Stephen
2012년 5월 22일
load the image and make it so black==0 and white==1, then...
Words = imclearborder(~IMG)
if you want to crop it, you can try
Words(sum(Words,2)==0,:)=[];
Words(:,sum(Words)==0)=[];
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