CVIP 4 n 5

Which of these operations is done, in the spatial domain, on the pixels when we want to sharpen the image?

• Median

• Differentiation

• Average

• Integration

Which of these operations is done, in the spatial domain, on the pixels when we want to smoothen the image?

• Median

• All the Above

• Average

• Integration

A pixel holds ___ information?

• Intensity

• Color

• Size

• All the above

Fourier transform of unit impulse at origin is

• undefined

• infinity

• 1

• 0

The common example of 2D interpolation is image

• enhancement

• sharpening

• blurring

• resizing

Which of the following filter(s) attenuates high frequency while passing low frequencies of an image

• High passfilter

• Lowpass filter

• Zero pass filter

• All of the mentioned

Sum of many infinitely many periodic impulses is called

• impulse train

• aperiodic impulse

• periodic impulse

• summation

The band limited function can be recovered from its samples if the acquired samples are at rate twice the highest frequency, this theorem is called

Fourier transform of two continuous functions, that are inverse of each other is called

• Fourier series pair

• Fourier transform pair

• Fourier transform

• Fourier series

Impulse has the property called

• Shift

• Rotate

• Convulute

• I dont know