Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Image formation by back-projection: a reappraisal.

J C Gore, J S Orr

    Physics in Medicine and Biology
    |July 1, 1979
    PubMed
    Summary

    This study explores image formation theory using simple projection summation. Limited edge unsharpening compensation could enable object recognition in many cases.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    The nature and interpretation of BOLD signals in white matter - A review.

    Magnetic resonance imaging·2025
    Same author

    Tissue sodium content in patients with systemic lupus erythematosus: association with disease activity and markers of inflammation.

    Lupus·2020
    Same author

    Face-specific processing in the human fusiform gyrus.

    Journal of cognitive neuroscience·2013
    Same author

    Incorporation of diffusion-weighted magnetic resonance imaging data into a simple mathematical model of tumor growth.

    Physics in medicine and biology·2011
    Same author

    Using high-resolution MR imaging at 7T to evaluate the anatomy of the midbrain dopaminergic system.

    AJNR. American journal of neuroradiology·2010
    Same author

    Does visual subordinate-level categorisation engage the functionally defined fusiform face area?

    Cognitive neuropsychology·2010

    Area of Science:

    • Image processing
    • Computational imaging
    • Signal processing

    Background:

    • Current image formation theories often involve complex processing steps.
    • Understanding fundamental image summation is crucial for developing efficient imaging techniques.

    Purpose of the Study:

    • To analyze image formation through basic projection summation without advanced processing.
    • To investigate the characteristics of images generated from various geometric objects.
    • To propose a method for improving object recognition in simplified imaging models.

    Main Methods:

    • Theoretical calculations of image formation from point, rectangle, and annulus objects.
    • Analysis of projection summation for rotationally symmetric objects.
    • Evaluation of image features resulting from simple summation.

    Main Results:

    • The study presents calculations for resultant images from various geometric shapes.
    • General features of these summed projection images are discussed.
    • It is shown that simple summation produces characteristic image patterns.

    Conclusions:

    • A simple summation model of image formation is theoretically explored.
    • Limited compensation for edge unsharpening is suggested as a viable method for object recognition.
    • This approach may simplify image processing requirements for certain applications.

    Related Experiment Videos