Top 20 Digital image processing interview question and answer in 2022

Q.1)  what is the image?

·         Image may be defined as a 2D dimensional  function  f(x,y)  where X and Y are plane Coordinate

Q.2)  what is sampling?

Q.3)  What is quantization?

·         Normal digitizing amplitude values is called quantization

Q.4)  What is brightness?

·         The brightness of an object is the perhaps luminance of the surround

Q.5)  What do you mean by grey level?

·         Grey level refers to a smaller measure  of intensity that ranges from the black of Grey and finally to White

Q.6)  What is resolution?

·         Resolution is defined as the smallest number of the discernible details image

Q.7) Write the expression to find the number of bits to store a digital image?

      b =  MX NxK

      condition    MN where equal

Q.8)  Explain the term digital image?

·         The digital image is an array of real or complex numbers that are represented by a finite number of Bits

Q.9)  Write some application of DIP?

·         Photoshop,   medical,  image

Q.10)  What is image enhancement?

·         It is the process and image so that the output is more suitable for a specific application

Q.11)  What is spatial filtering?

·         spatial filtering is the process of moving the filter mask from point to point in an  image

Q.12)  What is log transformation?

    S = clog(1+r)  is

   Where  c is constant are value is r=>=0

Q.13)  What do you mean by pixel neighborhood?

·         The neighborhood of a pixel is the collection of the pixel surrounding it

Q.14)  What are the two main types of data compression?

1.   Lossy compression

2.   Lossless compression

Q.15) List of the hardware-oriented color model?

1.   R.g.b(red,green,blue)

2.   c.m.y  color model

3.   h.s.i color model

Q.16)  use of RGB color model

·         Color monitors are a color video camera

  Q.17)  specify the element of the DIP system?

1.   Images acquisition

2.   Storage

3.   Processing

4.   display