Resolution-Free Accurate DNA Contour Length Estimation from Atomic Force Microscopy Images

Figure 4

(a) 8-connect chain code connectivity from the center pixel, illustrating the connection code 0∼7 associated according to the adjacent pixel location. (b) An example of a single-pixel width biopolymer skeleton backbone used for deriving the chain code. Starting from head to tail codes: 07107565 and tail to head codes: 12134534.

(a)

(b)