MATLAB: Removing unwanted pixels image processsing I have an image http://imgur.com/1AyaA in which i need only the text ,i want to remove extra whitr regions around the text.please help Best Answer 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) Related SolutionsMATLAB: Is there a way to clean the image such that the smaller pieces are not included Hi,I understand what you are trying to achieve, please have a look at this. It might help you filter out the smaller pieces that you dont need. MATLAB: How to produce edge detected image I = imread('circuit.tif'); BW1 = edge(I,'prewitt'); BW2 = edge(I,'canny'); BW3 = edge(I,'sobel'); figure, imshow(BW1) figure, imshow(BW2) figure, imshow(BW3)Or you can choose manual threshold like, BW1 = edge(I,'prewitt',0.4); BW2 = edge(I,'canny',0.4); BW3 = edge(I,'sobel',0.4); figure, imshow(BW1) figure, imshow(BW2) figure, imshow(BW3) Related QuestionThin the boundary of objects of black & white images
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