19.Define discrete cosine transform.
>Table of contents The 1-D discrete cosine transform is defined as For u = 0, 1, 2, . . , N-1. Similarly the inverse DCT is defined as For u = 0, 1, 2, . . , N-1 Where...
Saturday, 28 December 2013
18.What are the properties of Slant transform?
>Table of contents Properties of Slant transform (i) The slant transform is real and orthogonal. S = S* S-1 = ST (ii) The slant transform is fast, it can be implemented in (N log2N) operations on an N x 1 vector. (iii) The energy deal for images in this transform...
17.Write about Slant transform.
>Table of contents The Slant transform matrix of order N x N is the recursive expression Sn is given by Where Im is the identity matrix of order M x M, and The coefficients...
16.Explain the basic principle of Hotelling transform.
>Table of contents Hotelling transform: The basic principle of hotelling transform is the statistical properties of vector representation. Consider a population of random vectors of the...
15.State distributivity and scaling property of 2D DFT
>Table of contents Distributivity: From the definition of the continuous or discrete transform pair, and, in general, In other words, the Fourier transform and its inverse are distributive...
Thursday, 5 December 2013
14.State and prove the translation property of 2D-DFT
>Table of contents The translation properties of the Fourier transform pair are and Where the double arrow indicates the correspondence between a function and its Fourier Transform, Equation...
13.State and prove separability property of 2D-DFT.
>Table of contents The separability property of 2D-DFT states that, the discrete Fourier transform pair canbe expressed in the separable forms. i.e. , ...
Wednesday, 4 December 2013
Free IBPS Bank PO and Clerk coaching, study material, practice tests
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