Automated Recognition of a Wall between Windows from a Single Image

Figure 4

Diagram of line linking. (a) Three short line segments 1, 2, and 3 are linked as a long line segment 4. (b) 1 and 2 are linked as 5 (short dashed), if collinearity is tested between 5 and 3, and then 4, the linking result, would be 6 (long dashed).

(a)

(b)