images

what class is an image?

• double

• uint8

• cell

• logical

which of the following will index the green layer of an image?

• img(:, :, 1)

• img(:, :, 2)

• img(:, :, 3)

• none

which of the following will index the blue layer of an image?

• img(:, :, 1)

• img(:, :, 2)

• img(:, :, 3)

• none

which of the following will index the yellow layer of an image?

• img(:, :, 1)

• img(:, :, 2)

• img(:, :, 3)

• none

which line of code indexes the bottom right quadrant of an image?

• img(1:end/2,1:end/2,:)

• img(1:end/2,end/2+1:end,:)

• img(end/2+1:end,end/2+1:end,:)

• img(end/2+1:end,1:end/2,:)

which line of code indexes the top left quadrant of an image?

• img(1:end/2,1:end/2,:)

• img(1:end/2,end/2+1:end,:)

• img(end/2+1:end,end/2+1:end,:)

• img(end/2+1:end,1:end/2,:)

which line of code would make the image twice as tall?

• imresize(img,[r,c*c])

• imresize(img,[r,c*2])

• imresize(img,[r*r,c])

• imresize(img,[r*2,c])