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MATLAB

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MATLAB

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    1. 1/10 MATLAB? ??? ?? ?? ?? 20022215 ??? 20022234 ??? 20042245 ??? 20042275 ???

    2. 2/10 ???? ?? ? ?? Matlab?? ???? ?? ?? ??? ???? ????. ?? ?? ???(Spatial Domain Filtering)?? ??? ??? ???. ?? ?? ??? ?? ??? ?? ??? ????. MFC? ???? ?? ??? ?? ????? ?????.

    3. 3/10 1 . ??? ???? 8 bit gray scale, jpg image ? gray_im= rgb2gray(rgb_im) ???? imwrite() ?? ???? ??? ??? ??? (gray scale image) ??? ????. color_img=imread(money.jpg','jpg'); % money.jpg ???? ???. image(color_img); % ??? color_img? ??. gray_img=rgb2gray(color_img); % rgb images?intensity images? ??. imshow(gray_img) % gray_img? ???? ?? ?? ?? ??? ???? ????.

    4. 4/10 2 . smoothing ??

    5. 5/10 3 . Sharpen ??

    6. 6/10 4. Edge filter ???? ?? ??? ?? ???? ?? edge filter ?? ? ??? ??? ???? ??? ??? ????. color_img=imread(money.jpg','jpg'); % money.jpg ???? ???. image(color_img); % ??? color_img? ??. bk = [0 -1 0 ; -1 4 -1 ; 0 -1 0]; % 3 * 3 ? ??? ??(bk : ????) edge_img = uint8(conv2(double(gray_img),double(bk))); % convolution? ???? pixel? ??? Table? weight? ?? ?? ??? ??? ?? ???? ??? ??? ???? ?? ????. imshow(edge_img); % edge_img? ???? ?? ?? ? ? ??? ???? ????. edge detecting : ??? edge detection Table? ???? convulution??. edge(??? ??? ?? ?? ??? ??)? ?? ???.

    7. 7/10 5. BLUR ?? - ??? Blur Table? ???? convolution??. ???? ???? ?? ??? ??. (mean filter? ????). <MATLAB CODE> % blur bk = [1/16 1/8 1/16 ; 1/8 1/4 1/8 ; 1/16 1/8 1/16]; blur_img = uint8(conv2(double(gray_img), double(bk))); imshow(blur_img);

    8. 8/10 6. BRIGHT, DARKEN ?? % bright for i = 1 : size(gray_img, 1) for j = 1 : size(gray_img, 2) bright_img(i, j) = uint8(double(gray_img(i, j))/255.0 * 200.0) + 55; end end imshow(bright_img); % darken for i = 1 : size(gray_img, 1) for j = 1 : size(gray_img, 2) bright_img(i, j) = uint8(double(gray_img(i, j))/255.0 * 200.0); end end imshow(darken_img);

    9. 9/10 7. ??? ?? ??? ??? ??? ???? ??? ??? ?? ? ???? ?/??? ???? ??/???? ???? ? ????(????) ? ??? ??? ??? ?? ??(?????? ??? ????/?? ??? ???)?? ??? ? ??.

    10. 10/10 8. ?? ?? ? ?? ?? ?? ? ????(??????)

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