BSc CS Sem 6 BSc CS Semester 6 (2018 2019) 2019 DIGITAL IMAGE PROCESSING Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2) Figures to the right indicate marks

1. Q3 Illustrations, in-depth answers and diagrams will be appreciated
2. Q4 Mixing of sub-questions is not allowed
3. Q1 Attempt All (Each of 5Marks) (15M)
   • (a) Multiple Choice Questions: 1 The transition between continuous values of the image function and its digital equivalent is called
   • b) Sampling
   • d) None of the Mentioned 2 The mask shown in the figure below belongs to which type of filter?
   • b) Median filter 3 Hit-or-miss transformation is used for shape
   • a) Removal
   • b) Detection
   • c) Extraction
   • d) Hiding 4 Encoder is used for
   • a) image enhancement
   • b) image compression
   • c) image decompression
   • d) image equalization 5 Which of the following color model is used for color printing?
   • (b) Fill in the blanks: (s=clog10(1*r),Brightness, Dynamic range, Robert, 1 The range of values spanned by the gray scale is called range 2 Erosion followed by dilation is called 3 A gradient operator for edge detection is 4 The difference in intensity between the highest and the lowest intensity 5 is the general form of representation of log
   • (c) Short Answers: 1 What is the name of process used to correct the power-law response 2 The transformation s = T(r) producing a gray level s for each pixel value r of input image. Then, if the T(r) is satisfying T(r) <1 in what does it signifies? 3 What do you mean by the term pixel depth? 4 State True or False- Lossy Compression achieves greater compression 5 What do you mean image segmentation?
4. Q2 Attempt the following (Any THREE)(Each of 5Marks) (15M)
   • (a) Write a short note on Sampling and Quantization
   • (b) The input matrix x(m,n) and h(m,n). Perform the linear convolution between these two matrices
   • (c) Differentiate between monochrome and grayscale image
   • (d) Discuss Haar Transform
   • (e) Give any five applications of image processing system
   • (f) Write a short note on KL transform Attempt the following (Any THREE) (Each of 5Marks) (15M)
   • (a) What is Structuring Element? Discuss its usage in morphological operation?
   • (b) Write a short note on Gray Level slicing
   • (c) Explain various techniques of image arithmetic
   • (d) Discuss opening and closing morphological operation
   • (e) Perform Histogram Equalization on Gray level distribution shown in the
   • (f) List and explain two types of classification of Color-Quantisation
5. Q4 Attempt the following (Any THREE) (Each of 5Marks) 15 marks
   • (a) Obtain the Huffman code for the word
   • (b) Write a short note on Laplacian of Gaussian (LOG)
   • (c) Discuss how Arithmetic coding is used in image compression?
   • (d) Compare and contrast between inter pixel redundancy and coding
   • (e) How is thresholding used in image segmentation?
   • (f) Explain- Region Splitting and Merging
6. Q5 Attempt the following (Any THREE) (Each of 5Marks) 15 marks
   • (a) Explain 2D Line Impulse signal in detail
   • (b) List and Explain limitations of the RGB Color Model
   • (c) Compare lossy and lossless image compression
   • (d) Explain Euclidean distance, City block distance, chess board distance
   • (e) Write a short note on Slant Transform

Read from the scan above, so a character or two may differ. The scan is the original.