Digital Image Processing Quiz

Digital Image Processing Quiz

University

9 Qs

quiz-placeholder

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Digital Image Processing Quiz

Digital Image Processing Quiz

Assessment

Quiz

Computers

University

Medium

Created by

andi hamdianah

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Apa itu filter pada pengolahan citra digital?

Filter adalah alat untuk mencetak gambar.
Filter digunakan untuk menghapus semua piksel dari citra.
Filter adalah proses untuk memperbesar ukuran citra.

Filter adalah teknik untuk memodifikasi citra

2.

MULTIPLE SELECT QUESTION

30 sec • 5 pts

Apa ciri dari low-pass filter pada pengolahan citra?

Positive filter weights

Total weights equal to 1

Mean Filter and Gaussian Filter

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Pilih kode yang tepat untuk implementasi Mean Filter pada Matlab

kernel = ones(3, 3) / 9;

image_filtered = imfilter(image_gray, kernel, 'replicate');

gaussian_kernel = fspecial('gaussian', [5, 5], 1);

kernel = [0 -1 0; -1 4 -1; 0 -1 0];

filtered = medfilt2(image_gray, [3 3]);

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Mana kode yang paling tepat untuk implementasi Gausian Filter?

image_filtered = medfilt2(image_gray, [3 3]);

image_filtered = ordfilt2(image_gray, 9, ones(3, 3));

image_filtered = ordfilt2(image_gray, 1, ones(3, 3));

kernel = fspecial('gaussian', [5, 5], 1);

image_gaussian_filtered = imfilter(image_gray, kernel, 'replicate');

5.

MULTIPLE SELECT QUESTION

30 sec • 5 pts

Apa ciri dari highpass filter?

Bernilai positif ditengah dan bernilai negatif di pinggir

Total bobot 0

Total bobot 1

6.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

image = imread('image.jpg');

image_gray = rgb2gray(image);

kernel = [0 -1 0; -1 4 -1; 0 -1 0];

image_filtered = imfilter(double(image_gray), kernel);

Apakah kode di atas meruapkan implementasi dari Filter Laplacian?

Ya

Tidak

7.

FILL IN THE BLANK QUESTION

1 min • 5 pts

Salah satu filter non-linear

8.

FILL IN THE BLANK QUESTION

1 min • 5 pts

Fungsi Lowpass filter

9.

FILL IN THE BLANK QUESTION

30 sec • 5 pts

Media Image

Berapa nilai pixel yang benar jika menggunakan filter Median?