SIVP Toolbox
Last update : August, 2006

ntsc2rgb - Convert a NTSC image to the equivalent RGB image.

### Calling Sequence

  `RGB = ntsc2rgb(YIQ)`

### Parameters

- `YIQ`: A NTSC image (hypermat). The dimension of `NTSC` should be `M x N x 3`, the type should be double and the element value range should be [0,1].
- `RGB`: Output image, which has the same size as `NTSC` and type of double.

### Description

`ntsc2rgb` convert a NTSC image to the equivalent RGB image using:

  `R = Y + 0.956*I + 0.621*Q`
  `G = Y - 0.272*I - 0.647*Q`
  `B = Y - 1.105*I - 1.702*Q`

Supported classe: DOUBLE.

### Examples

        RGB = imread('lena.png');
        YIQ = rgb2ntsc(RGB);
        RGB = ntsc2rgb(YIQ);
        imshow(RGB);

### Authors

  Shiqi Yu <shiqi.yu[at]gmail.com>
  Ricardo Fabbri <ricardofabbri[at]users.sf.net>

### Availability

The latest version of SIVP can be found at

http://sivp.sourceforge.net

### See Also

`rgb2gray`, `mat2gray`, `rgb2hsv`, `hsv2rgb`, `rgb2ycbcr`, `ycbcr2rgb`, `rgb2ntsc`,