Z. Wen and Y. Tao, Building a rule-based machinevision system for defect inspection on apple sorting and packing lines, Expert Systems with Applications, 16(3), 1999, 307-313.
Q. Li, M. Wang and W. Gu, Computer vision based system for apple surface defect detection, Computers and Electronics in Agriculture, 36(2-3), 2002, 215-223.
V. Leemans and M.-F. Destain, A real-time grading method of apples based on features extracted from defects, J. of Food Engineering, 61(1), 2004, 83-89.
D. Unay and B. Gosselin, Stem and calyx recognition on 'Jonagold' apples by pattern recognition, J. of Food Engineering, DOI: 10.1016/j.jfoodeng. 2005.10.038, to appear.
O. Kleynen, V. Leemans and M.-F. Destain, Selection of the most efficient wavelength bands for 'Jonagold' apple sorting, Postharvest Biology and Technology, 30(3), 2003, 221-232.
P. Pudil, F.J. Ferri, J. Novovicova and J. Kittler, Floating Search Methods for Feature Selection with Nonmonotonic Criterion Functions, Proc. 12th IEEE Conf. on Pattern Recognition, Jerusalem, Israel, 1994, 279-283.
D. Unay and B. Gosselin, Stem-end/calyx detection in apple fruits: Comparison of feature selection methods and classifiers, Proc. Int. Conf. on Computer Vision and Graphics, Warsaw, Poland, 2004.
L. Breiman, J. Friedman, R. Olshen and C Stone, Classification and Regression Trees (Monterey: Wadsworth International, 1984).
J.R. Quinlan, C4.5: Programs for Machine Learning (San Francisco: Morgan Kaufmann, 1993).
B. Everitt, The Analysis of Contingency Tables (London: Chapman & Hall, 1977).