How Many Bedrooms Do You Need? A Real-Estate Recommender System from Architectural Floor Plan Images

Algorithm 2

Room segmentation and decor items retrieval.

	Input:
	coordinate point of an independent room image
	x-axis image size of an independent room
	y-axis image size of an independent room
	Output:
	number of independent rooms
(1)	;
(2)	;
(3)	While  = 1 indicates that a new area has been found
(4)	do
(5)	;
(6)	;
(7)	fordo
(8)	fordo
(9)	if pixel intensity of 255 indicates white
(10)	then
(11)	;
(12)	;
(13)	break
(14)	;
(15)	While Q = 1 indicates there may be missing points
(16)	do
(17)	;
(18)	fordo
(19)	fordo
(20)	Ifthen
(21)	Convert the pixel values to 255 in the top, bottom, left, and right directions of points into
(22)	This process is terminated when it encounters 0.
(23)	if a pixel is converted then
(24)	;
(25)	else ifthen
(26)	Determine whether there is T before 0 is encountered in the four directions of point .
(27)
(28)	for do
(29)	if These two cases are not considered as a room
(30)	then
(31)	continue;
(32)	else
(33)	Convert all to 0 and convert other values to 255.
(34)	Stack the decor items on the respective detected rooms.