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img2m

Contents

Menu Information

Convert to Data

Brief Information

Convert a grayscale image to a numeric data matrix

Command Line Usage

1. img2m img:=mat(1) om:=mat(2) type:=byte;

2. img2m type:=byte;

Variables

Display
Name 		Variable
Name 		I/O
and
Type 		Default
Value 		Description
Input Matrix img

Input

Image

<active>

Specifies the source image to be manipulated. The default input is the active image.

Output Matrix om

Output

MatrixObject

<new>

Specifies the output image. By default, the output image is the same as the input image. See the syntax here.

Type type

Input

int

short

Specifies the data type of the output data.

  • short:short (2)
    Short integer
  • byte:byte (1)
    Byte

Description

This img2m function converts the input image to a numeric data matrix. Note that if the input image is a color image, it will be first converted to a gray image, and then the gray image will be converted to a data matrix.

Examples

In this example, we use the img2m X-Function to convert the input image to a data matrix:

  1. When the input image is active, select Image: Conversion: Convert to Data. This opens the dialog of the X-Function.
  2. In the X-Function dialog, change the settings as the screenshot below and click OK to close the dialog.
    Image:img2m_help_English_files_image002.jpg
    A new matrix is created.
Image:img2m_help_English_files_image004.jpg
Image:img2m_help_English_files_image006.jpg
Input image
Part of the output data


Related X-Functions

m2img, imgC2gray