Feature Extraction and Image Processing

156 Feature Extraction and Image Processing

with rotation as people (generally!) walk along flat surfaces. If 360∋ rotation is to be

considered then you have to match regions for every rotation value and this can make the

correlation-based techniques computationally very demanding indeed.

4.8 Further reading

Few computer vision and image processing texts omit detail concerning edge detection

operators, though few give explicit details concerning implementation. Naturally, many of

the earlier texts omit the more recent techniques. (Parker, 1994) only includes C code for

some of the most basic edge detection techniques. Further information can be found in

journal papers; Petrou’s excellent study of edge detection Petrou (1994) highlights study of

the ...