Triangle thresholding matlab

1. What is triangle thresholding?
2. How do you do thresholds in Matlab?
3. What is Otsu thresholding Matlab?
4. What does threshold mean in Matlab?

What is triangle thresholding?

The triangle method constructs a line between the histogram peak and the farthest end of the histogram. The threshold is the point of maximum distance between the line and the histogram.

How do you do thresholds in Matlab?

T = graythresh( I ) computes a global threshold T from grayscale image I , using Otsu's method [1]. Otsu's method chooses a threshold that minimizes the intraclass variance of the thresholded black and white pixels. The global threshold T can be used with imbinarize to convert a grayscale image to a binary image.

What is Otsu thresholding Matlab?

Otsu method is a clustering based image thresholding.It works when the histogram is bimodal. The method basically tries to minimize the within class variance and at the same time it maximizes the between class variance. Total variance=Within class variance +Between Class Variance.

What does threshold mean in Matlab?

Image thresholding is a simple, yet effective, way of partitioning an image into a foreground and background. This image analysis technique is a type of image segmentation that isolates objects by converting grayscale images into binary images.