OOF2: The Manual

OOF.Image.Modify.ThresholdImage
	6.2.64. OOF.Image.Modify Commands

Name

OOF.Image.Modify.ThresholdImage — Threshold an image given a threshold value.

Synopsis

OOF.Image.Modify.ThresholdImage(image,T)

Details

Parent Menu: OOF.Image.Modify
Callback: function doImageMod in module ooflib.image.imagemodifier
Parameters:

image

Type: The path to an existing Image object.

T

Threshold value. Type: A real number in the range [0, 1].

Description

Convert an Image to black and white, by making each pixel whose equivalent gray value is greater than T to white, and each pixel whose gray value is less than T to black.

Figure 6.41. Thresholding an Image

A micrograph of Si₃N₄ (courtesy of C.-H. Hsueh).

The image after being thresholded with T=0.5.


OOF.Image.Modify.Sharpen		OOF.Image.AutoGroup