Download Soft Computing for Image Processing by Sankar K. Pal, Ashish Ghosh, Malay K. Kundu (auth.), Prof. PDF

By Sankar K. Pal, Ashish Ghosh, Malay K. Kundu (auth.), Prof. Sankar K. Pal, Dr. Ashish Ghosh, Prof. Malay K. Kundu (eds.)

Any job that consists of decision-making can make the most of smooth computing options which permit untimely judgements to be deferred. The processing and research of pictures is not any exception to this rule. within the classical picture research paradigm, step one is sort of consistently a few kind of segmentation technique within which the picture is split into (hopefully, significant) components. It was once mentioned approximately 30 years in the past through Prewitt (1] that the selections serious about picture segmentation might be postponed by way of in regards to the snapshot elements as fuzzy, instead of crisp, subsets of the picture. It was once additionally discovered very early that many easy houses of and operations on snapshot subsets should be prolonged to fuzzy subsets; for instance, the vintage paper on fuzzy units by way of Zadeh [2] mentioned the "set algebra" of fuzzy units (using sup for union and inf for intersection), and prolonged the defmition of convexity to fuzzy units. those and comparable principles allowed the various equipment of photo research to be generalized to fuzzy snapshot elements. For are cent evaluation on geometric description of fuzzy units see, e. g. , [3]. Fuzzy equipment also are beneficial in snapshot processing and coding, the place studying methods should be vital in making a choice on the parameters of filters, quantizers, etc.

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Pal N. , Pal S. K (1991) Image segmentation using a neural network. Biological Cybernetics, 66: 151-158. 53. , Pal S. K. (1992) Neural network, self-organization and object extraction. Pattern Recognition Letters, 13:387-397. 18 54. , Pal N. , Pal S. K. (1992) Object background classification using Hopfield type neural network. International Journal of Pattern Recognition and Artificial Intelligence, 6:989-1008. 55. , Pal N. , Pal S. K. (1993) Self-organization for object extraction using multilayer neural network and fuzziness measures.

Table 1. 2 steepness symmetry gradient small low low small high low large low medium large high high Controllable Gaussian Filtering Regular Gaussian filtering can be expressed as the convolution of the original image I with a Gaussian shaped kernel W I' = I*W where W has the (discrete) form (1) 48 . Wet,)) 1 i2 +p = - 22exP[--2-2-1 7["(1 (1 (2) (1 effectively determines the breadth of W , and the value of W is constant for a given radius from the center of the function. 3), to be determined dynamically according to local data characteristics.

IEEE NSIP-95, Neos Marmaras, Halkidiki, Greece, pp. 535-538. 43 Russo, F. (1997): Nonlinear Filtering of Noisy Images Using Neuro-Fuzzy Operators. In: Proc. IEEE 1997 Int. Conf. 412-415. Russo, F. (1998): Recent Advances in Fuzzy Techniques for Image Enhancement. 29-35. Russo, F. (1999a): FIRE Operators for Image Processing. 265-275. Russo, F. (1999b): Hybrid Neuro-Fuzzy Filter for Impulse Noise Removal. Pattern Recognition, Pergamon, Elsevier Science (in press). Schaffer, J. , Whitley, D. and Eshelman, L.

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