isgray

PURPOSE

% Returns true for an gray-scale intensity image. An variable is a gray scale image

SYNOPSIS

function bool = isgray (I)

DESCRIPTION

% -*- texinfo -*-
% @deftypefn {Function File} @var{bool}= isgray (@var{I})
% Returns true for an gray-scale intensity image. An variable is a gray scale image
% if it is 2-dimensional matrix, and
% @itemize @bullet
% @item is of class double and all values are in the range [0, 1], or
% @item is of class uint8 or uint16.
% @end itemize
% @end deftypefn

CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

bwarea % Estimates the area of the 'on' pixels of @var{bw}.
edge % Detect edges in the given image using various methods. The first input @var{im}
graythresh % Compute global image threshold using Otsu's method.
im2bw % Converts image data types to a black-white (binary) image.
im2double % Converts the input image to an image of class double.
im2uint16 % Converts the input image to an image of class uint16.
im2uint8 % Converts the input image to an image of class uint8.
imrotate % Rotation of a 2D matrix about its center.