Well, I have a picture of a square, parts of the square are irregular and
white, I want to find the percentage of the light areas to the dark areas of
the square. Start a New Thread

You need to be a lot more specific. Do you want to isolate the parts manually or using an automatic segmentation algorithm? In the former case see help for the function "roipoly". In the latter case you can use several available matlab clustering algorithms such as K-means or Fuzzy clustering depending on your application.

Gokul

----- Original Message ----
From: Nathaniel
To: m...
Sent: Tuesday, 2 October, 2007 1:34:49 PM
Subject: [matlab] Image Processing

Hello,

I need to isolate certain parts of a picture and determine the

percentage that the isolated parts take up of the whole picture. Any

ideas? Greatly appreciated. Start a New Thread

Hello,

I need to isolate certain parts of a picture and determine the
percentage that the isolated parts take up of the whole picture. Any
ideas? Greatly appreciated. Start a New Thread