Do it using matlab Example: Gross Representation of ObjectsabcFIGURE 3.34 (a) Image of size 528 × 485 pixels from the Hubble Space Telescope. (b) Image filtered with a15 x 15 averaging mask. (c) Result of thresholding (b). (Original image courtesy of NASA.)3/8/202166

Answered: Image /qna-images/answer/5a947c94-2056-4df5-a9b3-b958884070ec.jpg

Answered: Example: Gross Representation of…

Fundamentals of Information Systems

8th Edition

ISBN:9781305082168

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter7: Knowledge Management And Specialized Information Systems

Section: Chapter Questions

Problem 19SAT

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Consider the simple 4 x 8, 8-bit image given below.
An 8-bit pixel takes up one byte of computer space; one kilobyte is 1024 bytes; one megabyte is 1024 kilobyte. How large is a Landsat Thematic Mapper image in Megabytes knowing that each image includes 7 bands of 6,000 columns x 6,000 rows coded on an 8-bit pixel per band?
Suppose that by entering an image file and using the following code in matlab, the filtered image is obtained: 1 2 3 4 5 6 7 8 9 200 400 600 800 1000 1200 X = double (imread ('apple.tiff')); figure (1); image (X); colormap (gray (256)); axis image; title ('Imagen- Original'); h = [-2-1 0 1 2]; Y1 filter 2 (h,X); h = h'; Y filter 2 (h, Y1); figure (2) imagesc (Y); colormap (gray (256)); axis image; title ('Imagen- Filtrada ¹); Imagen Original 200 400 600 800 1000 1200 1400 1600 1800 200 400 600 800 1000 1200 200 Imagen Filtrada 600 800 1000 1200 1400 1600 1800 Modify the code in such a way that, through the filtered image file, the original image can be obtained.
Subject - DIP (digital imag processing) code hcp164
Compute the resolution of a 2''*2" image that has 512*512 pixels.
6. Consider a 4 × 4 pixel image with the following brightness values: 15 15 15 15 15 15 13 15 13 13 10 8 10 8 8 3 We will store this image in bits. (a) What is the entropy of this image? What is the number of bits per pixel for the optimum fixed-length coding? This number is our reference for calculating the compression ratio. (b) (c) For this image, what are the average number of bits per pixel and the corresponding compression ratio for the optimum run-length coding? What are the average number of bits per pixel and the corresponding compression ratio for Huffman coding? Compare the compression ratio with that of run-length coding and the entropy.
Given the 3-bit 4x4 pixels image f(x,y) below, rescale the range of pixel values of f(x,y) so that they can be represented by 2 bits. What is the resulting image?
Does orthographic projection require simpler mathematics compared to classical viewing in computer graphics and visulization?
Observe the following image matrix. Note that this is 4-bits grayscale image. Identify the following items: 11 10 12 13 10 11 15 15 15 11 15 12 10 10 12 12 10 13 11 15 15 12 12 10 11 12 11 15 11 15 14 12 10 14 11 12 10 11 10 11 12 11 10 12 14 13 10 10 11 11 11 11 12 12 14 14 11 11 11 11 14 14 13 13 14 13 11 11 10 13 15 15 11 13 12 15 14 10 12 11 10 14 14 14 11 11 11 11 15 15 11 11 11 15 11 11 11 15 (a) Intensity Level Resolution bits/pixel (b) Spatial Resolution pixel (c) Memory size required to store the image bits (d) Memory size of colour image (RGB) with the similar specification as the mentioned grayscale image bits 5N2N 45
3.Explain 3d Perspective Projection.
Describe the theory for image quantization.
You are given a text file of size 60 MB, which is to be encrypted using steganography in the low-order bits of each color in an image file. What size image would be required in order to encrypt the entire file? What size would be needed if the file were first compressed to a third of its original size? Give your answer in pixels, and show your calculations. Assume that the images have an aspect ratio of 3:2, for example, 3000 × 2000 pixels.

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Example: Gross Representation of Objects abc FIGURE 3.34 (a) Image of size 528 × 485 pixels from the Hubble Space Telescope. (b) Image filtered with a 15 x 15 averaging mask. (c) Result of thresholding (b). (Original image courtesy of NASA.) 3/8/2021 66