References
- Borgefors , G. 1986 . Distance transformation in digital images . Comput. Vision, Graphics, Image Process. , 34 : 344 – 371 .
- Ford , E. D. 1975 . The canopy of a Scots pine forest: description of a surface of complex roughness . Agric. Meteorol. , 17 : 9 – 32 .
- Gonzalez , R. C. and Woods , R. E. 1992 . Digital Image Processing , 716 Reading, Massachusetts : Addison‐Wesley Publishing Company . ISBN 0–201–50803–6.
- Gougeon , F. 1995 . A crown‐following approach to the automatic delineation of individual tree crowns in high spatial resolution aerial images . Can. J. Rem. Sens. , 21 : 274 – 284 .
- Han , J. H. , Koczy , L. T. and Poston , T. 1994 . Fuzzy Hough transform . Pattern Recognition Lett. , 15 : 649 – 658 .
- Harris , R. 1987 . Satellite Remote Sensing—an Introduction , 220 London : Routledge & Kegan Paul Ltd . ISBN 0–7102–1312–3.
- Leckie , D. G. 1990 . Advances in remote sensing technologies for forest surveys and management . Can. J. For. Res. , 20 : 464 – 483 .
- Mitchell , A. and Wilkinson , J. 1977 . Nordeuropas träd , 412 Stockholm : Albert Bonniers Förlag . ISBN 91–0–041270–8 (In Swedish.)
- Päivinen , R. and Rautiainen , S. Spectral reflectance of forest stands . Proceedings from SNS/IUFRO Workshop on the Usability of Remote Sensing for Forest Inventory and Planning, Swedish University of Agricultural Sciences, Remote Sensing Laboratory Report 4 . Umeå, Sweden. pp. 3 – 8 . ISBN 91–576–4208–7.
- Russ , J. C. 1995 . The Image Processing Handbook. , 2nd Edition , 674 Boca Raton, , USA : CRC Press Inc. . ISBN 0–8493–2516–1.
- Sanniti di Baja , G. 1994 . Well‐shaped, stable, and reversible skeletons from the (3,4)‐distance transform . J. Visual Commun. Image Represent. , 5 : 107 – 115 .
- Spencer , R. D. and Hall , R. J. 1988 . Canadian large‐scale aerial photographic systems (LSP) . Photogramm. Engineer. Rem. Sens. , 54 : 475 – 482 .