Image processing with neural networks - a review

M Egmont-Petersen, D de Ridder, H Handels

    Research output: Contribution to journalArticleScientificpeer-review

    762 Citations (Scopus)


    We review more than 200 applications of neural networks in image processing and discuss the present and possible future role of neural networks, especially feed-forward neural networks, Kohonen feature maps and Hop1eld neural networks. The various applications are categorised into a novel two-dimensional taxonomy for image processing algorithms. One dimension speci1es the type of task performed by the algorithm: preprocessing, data reduction=feature extraction, segmentation, object recognition, image understanding and optimisation. The other dimension captures the abstraction level of the input data processed by the algorithm: pixel-level, local feature-level, structure-level, object-level, object-set-level and scene characterisation. Each of the six types of tasks poses speci1c constraints to a neural-based approach. These speci1c conditions are discussed in detail. A synthesis is made of unresolved problems related to the application of pattern recognition techniques in image processing and speci1cally to the application of neural networks. Finally, we present an outlook into the future application of neural networks and relate them to novel developments. Keywords: Neural networks; Digital image processing; Invariant pattern recognition; Preprocessing; Feature extraction; Image compression; Segmentation; Object recognition; Image understanding; Optimization
    Original languageUndefined/Unknown
    Pages (from-to)2279-2301
    Number of pages23
    JournalPattern Recognition
    Issue number10
    Publication statusPublished - 2002

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    phpub 46, most downloaded article April - August 2002


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