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F192098 Pages:2

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A 4 >+ 4 image patch (4 bits/pixel) is given by [=

Apply histogram equalization to the image by rounding the resulting image pixels
to integers. Sketch the histograms of original image and histogram equalised
image.

Explain constrained and unconstrained image restoration.

PART C
Answer any two full questions, each carries 20 marks

Obtain the Huffman code for the word ‘IMAGEPROCESSING?’ and determine its
efficiency.

Explain how Hough transform can be used to detect lines.

Discuss the role of derivatives in edge detection.

State and explain the state of redundancies in images.

Explain split and merge procedure in image segmentation.

With the help of a block diagram, explain DCT based JPEG compression standard.

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