fspecial(filtername,parameter,..)
dimana:
• fspecial adalah jenis filter yang digunakan
• average = filter rata-rata
• disk = circular averaging filter
• gaussian = filter gauss
• laplacian = aproximasi operator 2-D laplace
• log= laplacian of gaussian filter
• motion= motion filter
• prewitt : Prewitt horizontal edge-emphasizing filter
• sobel : Sobel horizontal edge-emphasizing filter
• unsharp : unsharp contrast enhancement filterC
contoh coding nya :
gambar=imread('whinie.jpg');
gaussianFilter = fspecial('gaussian', [12, 12], 5)
hasil = imfilter(gambar, gaussianFilter, 'symmetric', 'conv');
subplot(1,2,1), image(gambar);
subplot(1,2,2), image(hasil), title('Blurred Taz, blur matrix size 12');
Output :

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