An effective image enhancement filtering for noisy image sequences

Ho-Young Lee; Du-Sik Park; Seong-Deok Lee; Chang-Yeong Kim

doi:10.1117/12.643658

10 February 2006 An effective image enhancement filtering for noisy image sequences

Ho-Young Lee, Du-Sik Park, Seong-Deok Lee, Chang-Yeong Kim

Proceedings Volume 6069, Digital Photography II; 60690E (2006) https://doi.org/10.1117/12.643658
Event: Electronic Imaging 2006, 2006, San Jose, California, United States

Abstract

This paper proposes a method of filtering a digital sensor image to efficiently reduce noise and to improve the sharpness of an image. To reduce the noise in an image captured by conventional image sensor, the proposed noise reduction filter selectively outputs one of results obtained by recursive temporal and spatial noise filtering values. By proposed noise filtering method, image detail can be well preserved and noise filtering artifacts which can be generated along the moving object boundary in image sequences by applying temporal noise filtering are prevented. Since the sharpness of noise filtered image can be inevitably deteriorated by noise filtering, the adaptive noise suppressed sharpening filter is also proposed. The proposed sharpening filter generates filter mask adaptively according to the pixel similarity information within filter mask and can obtain the continuous image quality by the easy-controllable gain control algorithm without noise boost-up in the smooth region.

Citation Download Citation

Ho-Young Lee, Du-Sik Park, Seong-Deok Lee, and Chang-Yeong Kim "An effective image enhancement filtering for noisy image sequences", Proc. SPIE 6069, Digital Photography II, 60690E (10 February 2006); https://doi.org/10.1117/12.643658

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available