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# 1. Write short notes on Discrete Cosine Transform (DCT) 2. Describe Fast Fourier Transform 3. Write short notes on the Hotelling transform

1. Write short notes on Discrete Cosine Transform (DCT)

2. Describe Fast Fourier Transform

3. Write short notes on the Hotelling transform

## Step by Step Solution

There are 3 Steps involved in it

### Step: 1

1 ID DCT ID DCT is defined as Cu u x0N1fxcos2x1u2N for u012N1 Inverse DCT is defined as fx u0N1 uCuc...### Get Instant Access to Expert-Tailored Solutions

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### Step: 2

### Step: 3

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