A Novel Approach to Transform Bitmap to Vector Image for Data Reliable Visualization considering the Image Triangulation and Color Selection

Algorithm 1

Collapse algorithm.

	Input: the structure Vertices of active vertices , the structure Vertices of passive vertices .
	Output: the structure Vertices of
(1)	forindo
(2)	ifthen
(3)	continue
(4)	isCommon == false//judge if is in
(5)	forindo
(6)	if == then
(7)	isCommon = true
(8)	break
(9)	forindo
(10)	if == then
(11)	remove//operation for both and
(12)	if isCommon == false then
(13)	create//operation for
(14)	create//operation for
(15)	clear//operation for