wtvar: Weighted variance background subtraction algorithm

In Rbgs: Reading and Background Subtraction in Videos

Description

This function calculates the weighted variance of previous three frames. The buffer maintained here can contain only three frames.

Usage

wtvar(b, nf, thresh)

Arguments

b	3-D matrix containing grayscaled video frames.
nf	previous number of frames to be considered to build background.
thresh	threshold required to obtain foreground images.Its value can be set to 180-230 or more approximately.

Value

A 3-D matrix of frames containing foreground obtained after background subtraction is applied(binary images).

Rbgs documentation built on May 1, 2019, 8:48 p.m.