Image Types in the Toolbox

Check if each color in the colormap is used: Given an index-color image X (assuming its indexing is 1-based) and it's color map map, write a one-line MATLAB ...

2021年12月1日 — % Create indexed image with 6 colors. numColors = 6;. [indexedImage, cmap] = rgb2ind(originalImage, ...

This MATLAB function converts the indexed image X and corresponding colormap map to RGB (truecolor) format.

2015年7月27日 — 1) if the numbers of different colours in your image is fairly low, then an indexed image uses less memory / disk space than a coloured image.

This MATLAB function converts the RGB image to an indexed image X with associated colormap cmap using minimum variance quantization with Q quantized colors ...

The pixels in the image are represented by integers, which are pointers (indices) to color values stored in the colormap. Indexed image and inset showing the ...

An indexed image consists of an image matrix and a colormap. A colormap is a c-by-3 matrix of data type double with values in the range [0, 1].