Astronomical image manipulation in the discrete wavelet transform domain

Biao Chen; Shahram Latifi

doi:10.1117/1.482731

1 April 2000 Astronomical image manipulation in the discrete wavelet transform domain

Biao Chen, Shahram Latifi

Journal of Electronic Imaging, Vol. 9, Issue 2, (April 2000). https://doi.org/10.1117/1.482731

Traditionally, processing an image stored in the compressed form requires decompression first. Following manipulations, the processed image is recompressed for storage. Manipulating images in the semicompressed or transform domain appears to be an effective way to reduce processing time. In this paper, new algorithms for image interpolation in the Haar transform domain are proposed. These algorithms perform interpolation by computing a new subband using two different approaches. Experimental results indicate that in addition to running faster in the transform domain, the new algorithms produce images with qualities comparable to those in the spatial domain. Applications are seen in conjunction with Haar-based transforms such as the HCOMPRESS which is commonly used for compression in space science imagery.

Citation Download Citation

Biao Chen and Shahram Latifi "Astronomical image manipulation in the discrete wavelet transform domain," Journal of Electronic Imaging 9(2), (1 April 2000). https://doi.org/10.1117/1.482731

Published: 1 April 2000

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