A one step motion detection circuitry

Robert Pallbo

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A model of motion and direction detection is presented as well as results from a computer simulation of the model. The model is based on cooperative computations which allows an extremely simple architecture. Furthermore, it involves only one logical step in its computations even though Hubel and others have argued that motion detection requires at least two. This is made possible by not including the initial detection of movement. The model simply updates prior detections which is a simpler problem. New movement can be captured by the system by means of spontaneous activity in the movement selective cells. The cost is that some iterations are required to capture new movement. On the other hand, the model handles noisy input very well. The reason for this is that movement is viewed as a stable phenomenon rather than change.
    Original languageEnglish
    Pages (from-to)141-148
    JournalBioSystems
    Volume40
    Issue number1-2
    DOIs
    Publication statusPublished - 1997

    Subject classification (UKÄ)

    • Computer Science

    Keywords

    • Spontaneous activity
    • Noisy stimuli
    • Computer simulation
    • Motion detection

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