Image enhancement by non-linear extrapolation in frequency space

H. Greenspan; C. H. Anderson

doi:10.1117/12.171057

Image enhancement by non-linear extrapolation in frequency space

H. Greenspan, C. H. Anderson

Research output: Contribution to journal › Conference article › peer-review

31 Scopus citations

Abstract

A procedure for creating images with higher resolution than the sampling rate would allow is described. The enhancement algorithm augments the frequency content of the image using shape-invariant properties of edges across scale by using a non-linearity that generates phase-coherent higher harmonics. The procedure utilizes the Laplacian pyramid image representation. Results are presented depicting the power-spectra augmentation and the visual enhancement of several images. Simplicity of computations and ease of implementation allow for real-time applications such as high-definition television (HDTV).

Original language	English
Pages (from-to)	2-13
Number of pages	12
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	2182
DOIs	https://doi.org/10.1117/12.171057
State	Published - 23 Mar 1994
Externally published	Yes
Event	Image and Video Processing II 1994 - San Jose, United States Duration: 6 Feb 1994 → 10 Feb 1994

Access to Document

10.1117/12.171057

Cite this

@article{a88ea32bb76448bf9e93102417633f03,

title = "Image enhancement by non-linear extrapolation in frequency space",

abstract = "A procedure for creating images with higher resolution than the sampling rate would allow is described. The enhancement algorithm augments the frequency content of the image using shape-invariant properties of edges across scale by using a non-linearity that generates phase-coherent higher harmonics. The procedure utilizes the Laplacian pyramid image representation. Results are presented depicting the power-spectra augmentation and the visual enhancement of several images. Simplicity of computations and ease of implementation allow for real-time applications such as high-definition television (HDTV).",

author = "H. Greenspan and Anderson, {C. H.}",

year = "1994",

month = mar,

day = "23",

doi = "10.1117/12.171057",

language = "English",

volume = "2182",

pages = "2--13",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

issn = "0277-786X",

publisher = "SPIE",

}

TY - JOUR

T1 - Image enhancement by non-linear extrapolation in frequency space

AU - Greenspan, H.

AU - Anderson, C. H.

PY - 1994/3/23

Y1 - 1994/3/23

N2 - A procedure for creating images with higher resolution than the sampling rate would allow is described. The enhancement algorithm augments the frequency content of the image using shape-invariant properties of edges across scale by using a non-linearity that generates phase-coherent higher harmonics. The procedure utilizes the Laplacian pyramid image representation. Results are presented depicting the power-spectra augmentation and the visual enhancement of several images. Simplicity of computations and ease of implementation allow for real-time applications such as high-definition television (HDTV).

AB - A procedure for creating images with higher resolution than the sampling rate would allow is described. The enhancement algorithm augments the frequency content of the image using shape-invariant properties of edges across scale by using a non-linearity that generates phase-coherent higher harmonics. The procedure utilizes the Laplacian pyramid image representation. Results are presented depicting the power-spectra augmentation and the visual enhancement of several images. Simplicity of computations and ease of implementation allow for real-time applications such as high-definition television (HDTV).

UR - http://www.scopus.com/inward/record.url?scp=85076604678&partnerID=8YFLogxK

U2 - 10.1117/12.171057

DO - 10.1117/12.171057

M3 - Conference article

AN - SCOPUS:85076604678

SN - 0277-786X

VL - 2182

SP - 2

EP - 13

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Image and Video Processing II 1994

Y2 - 6 February 1994 through 10 February 1994

ER -

Image enhancement by non-linear extrapolation in frequency space

Abstract

Access to Document

Fingerprint

Cite this